Parameter reference
Generated by docs/generate_parameters_reference.jl from Parameters.name_map and the default values of ClimaParams v1.3.4. Do not edit by hand.
For every parameter struct and 1-moment process option: the ClimaParams parameters it reads and the local names (struct fields, or inputs of derived fields) they map to. Structs built from other structs (e.g. Rain from ParticleMass(Rain)) list only what they read themselves. The last section is the reverse index. See the Parameters interface page for how the structs are built and overridden.
Air and water properties
AirProperties
Constructor: AirProperties
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
thermal_conductivity_of_air | K_therm | 0.024 | Thermal conductivity of air (J m⁻¹ s⁻¹ K⁻¹). |
diffusivity_of_water_vapor | D_vapor | 2.26e-5 | Diffusivity of water vapor in air (m² s⁻¹). |
kinematic_viscosity_of_air | ν_air | 1.6e-5 | Kinematic viscosity of air (m² s⁻¹). |
WaterProperties
Constructor: WaterProperties
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
density_ice_water | ρi | 916.7 | Density of water ice (kg m⁻³). |
0-moment microphysics
Parameters0M
Constructor: Parameters0M
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
precipitation_timescale | τ_precip | 1000 | Precipitation formation timescale for the 0-moment microphysics scheme (s). |
specific_humidity_precipitation_threshold | qc_0 | 5.0e-6 | Precipitation formation threshold in terms of specific humidity for the 0-moment microphysics scheme (unitless). |
supersaturation_precipitation_threshold | S_0 | 0.02 | Precipitation formation threshold in terms of supersaturation for the 0-moment microphysics scheme (unitless). |
1-moment microphysics
CloudLiquid
Constructor: CloudLiquid
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
liquid_cloud_effective_radius | r_eff | 1.4e-5 | Assumed constant effective radius for liquid cloud droplets (m). |
cloud_liquid_sedimentation_number_concentration | N_0 | 5.0e8 | Number concentration of cloud liquid particles for sedimentation (m⁻³). |
CloudIce
Constructor: CloudIce
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_ice_apparent_density | ρᵢ | 500 | The apparent density of cloud ice particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
cloud_ice_size_distribution_coefficient_n0 | n0 | 2.0e7 | Cloud ice size distribution parameter $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
ice_cloud_effective_radius | r_eff | 2.5e-5 | Assumed constant effective radius for ice cloud particles (m). |
cloud_ice_sedimentation_number_concentration | N_0 | 100000.0 | Number concentration of cloud ice particles for sedimentation (m⁻³). |
IceNumberTemperatureFit
Constructor: IceNumberTemperatureFit
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_ice_number_temperature_fit_prefactor | N_ref | 1000.0 | Prefactor N_ref of the temperature-dependent cloud ice number concentration (m⁻³). Converts the fit from per liter to per m³. Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_temperature_fit_intercept | a | -2.8 | Intercept a of the exponential temperature fit of the cloud ice number concentration (unitless). doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_temperature_fit_slope | b | 0.262 | Slope b of the exponential temperature fit of the cloud ice number concentration (K⁻¹). Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_max | N_max | 1.0e7 | Upper bound on the temperature-dependent cloud ice number concentration (m⁻³). Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
temperature_water_freeze | T_freeze | 273.15 | Freezing temperature of water (K). |
ParticleMass(CloudIce)
Constructor: ParticleMass(CloudIce)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_ice_apparent_density | ρᵢ | 500 | The apparent density of cloud ice particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
cloud_ice_crystals_length_scale | r0 | 1.0e-5 | Cloud ice particle length scale for the 1-moment microphysics scheme (m). |
cloud_ice_mass_size_relation_coefficient_me | me | 3 | Exponent $m_e$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_mass_size_relation_coefficient_delm | Δm | 0 | Coefficient $\delta_m$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_mass_size_relation_coefficient_chim | χm | 1 | Coefficient $\chi_m$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
Rain
Constructor: Rain
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
rain_drop_size_distribution_coefficient_n0 | n0 | 1.6e7 | Rain drop size distribution coefficient $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
rain_ventilation_coefficient_a | a | 1.5 | Rain ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
rain_ventilation_coefficient_b | b | 0.53 | Rain ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
ParticleMass(Rain)
Constructor: ParticleMass(Rain)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
density_liquid_water | ρ | 1000 | Density of liquid water (kg m⁻³). |
rain_drop_length_scale | r0 | 0.001 | Rain drop length scale for the 1-moment microphysics scheme (m). |
rain_mass_size_relation_coefficient_me | me | 3 | Exponent $m_e$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_delm | Δm | 0 | Coefficient $\delta_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_chim | χm | 1 | Coefficient $\chi_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
ParticleArea(Rain)
Constructor: ParticleArea(Rain)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
rain_drop_length_scale | r0 | 0.001 | Rain drop length scale for the 1-moment microphysics scheme (m). |
rain_cross_section_size_relation_coefficient_ae | ae | 2 | Exponent $a_e$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_dela | Δa | 0 | Coefficient $\delta_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_chia | χa | 1 | Coefficient $\chi_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
Snow
Constructor: Snow
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_apparent_density | ρᵢ | 100 | The apparent density of snow particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
density_ice_water | ρᵢ_bulk | 916.7 | Density of water ice (kg m⁻³). |
snow_flake_size_distribution_coefficient_mu | μ | 4.36e9 | Snow size distribution coefficient $\mu$ for the 1-moment microphysics scheme (m⁻⁴). |
snow_flake_size_distribution_coefficient_nu | ν | 0.63 | Snow size distribution coefficient $\nu$ for the 1-moment microphysics scheme (unitless). |
snow_ventilation_coefficient_a | a | 0.65 | Snow ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
snow_ventilation_coefficient_b | b | 0.44 | Snow ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
snow_aspect_ratio | ϕ | 0.15 | Assumed aspect ratio for snow in the 1-moment microphysics scheme (unitless). |
snow_aspect_ratio_coefficient | κ | 0.3333333333333333 | Power law coefficient for terminal velocity dependence on snow aspect ratio (unitless). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
ParticleMass(Snow)
Constructor: ParticleMass(Snow)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_flake_length_scale | r0 | 0.001 | Snow particle length scale for the 1-moment microphysics scheme (m). |
snow_mass_size_relation_coefficient_me | me | 2 | Exponent $m_e$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_delm | Δm | 0 | Coefficient $\delta_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_chim | χm | 1 | Coefficient $\chi_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
ParticleArea(Snow)
Constructor: ParticleArea(Snow)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_flake_length_scale | r0 | 0.001 | Snow particle length scale for the 1-moment microphysics scheme (m). |
snow_cross_section_size_relation_coefficient | ae | 2 | Exponent in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_dela | Δa | 0 | Coefficient $\delta_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_chia | χa | 1 | Coefficient $\chi_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
VarTimescaleAcnv
Constructor: VarTimescaleAcnv
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
rain_autoconversion_timescale | τ | 1000.0 | Rain formation timescale for the 1-moment microphysics scheme (s). Also used as the timescale for strong vertical velocities (convective regime) in the vertical velocity dependent Kessler rain formation. |
Variable_time_scale_autoconversion_coeff_alpha | α | 1.0 | Exponent of number density in the function describing the autoconversion timescale (unitless). |
prescribed_cloud_droplet_number_concentration | Nc | 1.0e8 | Prescribed number concentration of cloud droplets (m⁻³). |
KesslerAcnv
Constructor: KesslerAcnv
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
rain_autoconversion_timescale_stratiform_scale | τ_stratiform_scale | 1.0 | Multiplicative scale factor applied to rainautoconversiontimescale to get the stratiform-regime (weak vertical velocities) timescale in the vertical-velocity-dependent Kessler rain formation (unitless). Default 1.0 (stratiform timescale equals the convective one, giving the classic velocity-independent Kessler scheme). |
rain_autoconversion_timescale | τ_fast | 1000.0 | Rain formation timescale for the 1-moment microphysics scheme (s). Also used as the timescale for strong vertical velocities (convective regime) in the vertical velocity dependent Kessler rain formation. |
cloud_liquid_water_specific_humidity_autoconversion_threshold_stratiform_scale | q_threshold_stratiform_scale | 1.0 | Multiplicative scale factor applied to cloudliquidwaterspecifichumidityautoconversionthreshold to get the stratiform-regime (weak vertical velocities) threshold in the vertical-velocity-dependent Kessler rain formation (unitless). Default 1.0 (stratiform threshold equals the convective one, giving the classic velocity-independent Kessler scheme). |
cloud_liquid_water_specific_humidity_autoconversion_threshold | q_threshold_fast | 0.0005 | Rain formation threshold in terms of specific humidity for the 1-moment microphysics scheme (unitless). Also used as the threshold for strong vertical velocities (convective regime) in the vertical velocity dependent Kessler rain formation. |
rain_autoconversion_velocity_scale | w_0 | 1.5 | Blending velocity scale when using vertical velocity dependent rain formation (m s⁻¹). |
threshold_smooth_transition_steepness | k | 10.0 | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
1-moment process options
TemperatureDependent
Constructor: TemperatureDependent (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
sublimation_deposition_timescale | τ_relax | 10.0 | Deposition/sublimation timescale for non-equilibrium microphysics (s). |
KK2000Autoconversion
Constructor: KK2000Autoconversion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
prescribed_cloud_droplet_number_concentration | Nc | 1.0e8 | Prescribed number concentration of cloud droplets (m⁻³). |
NoSupersaturation
Constructor: NoSupersaturation (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_autoconversion_timescale | τ | 100 | Snow autoconversion timescale for the 1-moment microphysics scheme (s). |
cloud_ice_specific_humidity_autoconversion_threshold | q_threshold | 1.0e-6 | Snow autoconversion threshold in terms of specific humidity for the 1-moment microphysics scheme (unitless). |
threshold_smooth_transition_steepness | k | 10.0 | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
CloudLiquidFormation
Constructor: CloudLiquidFormation (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
condensation_evaporation_timescale | τ_relax | 10.0 | Condensation/evaporation timescale for non-equilibrium microphysics (s). |
temperature_homogenous_nucleation | T_hom | 233 | Temperature for homogeneous ice nucleation (K). |
ConstantTimescale
Constructor: ConstantTimescale (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
sublimation_deposition_timescale | τ_relax | 10.0 | Deposition/sublimation timescale for non-equilibrium microphysics (s). |
Homogeneous
Constructor: Homogeneous (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
temperature_homogenous_nucleation | T_hom | 233 | Temperature for homogeneous ice nucleation (K). |
homogeneous_freezing_timescale | τ_hom | 1 | Timescale of the homogeneous freezing of cloud liquid droplets into ice (s). |
Heterogeneous
Constructor: Heterogeneous (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Reisner_et_al_A_parameter | A | 0.66 | Parameter $A$ for Bigg heterogeneous freezing of cloud droplets (K⁻¹). Source: Reisner et al. (1998), Eq. (A22), DOI: 10.1002/qj.49712454804. |
Reisner_et_al_B_parameter | B | 100 | Parameter $B$ for Bigg heterogeneous freezing of cloud droplets (m⁻³ s⁻¹). Source: Reisner et al. (1998), Eq. (A22), DOI: 10.1002/qj.49712454804. |
WithSupersaturation
Constructor: WithSupersaturation (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
ice_snow_threshold_radius | r_ice_snow | 6.25e-5 | Threshold particle radius separating ice and snow for the 1-moment microphysics scheme (m). |
CloudLiquidRainAccretion
Constructor: CloudLiquidRainAccretion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_liquid_rain_collision_efficiency | e | 0.8 | Collision efficiency between cloud liquid water and rain for the 1-moment scheme (unitless). |
CloudLiquidSnowAccretion
Constructor: CloudLiquidSnowAccretion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_liquid_snow_collision_efficiency | e | 0.1 | Collision efficiency between cloud liquid water and snow for the 1-moment scheme (unitless). |
CloudIceRainAccretion
Constructor: CloudIceRainAccretion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_ice_rain_collision_efficiency | e | 1 | Collision efficiency between cloud ice and rain for the 1-moment scheme (unitless). |
CloudIceSnowAccretion
Constructor: CloudIceSnowAccretion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
cloud_ice_snow_collision_efficiency | e | 0.1 | Collision efficiency between cloud ice and snow for the 1-moment scheme (unitless). |
RainSnowAccretion
Constructor: RainSnowAccretion (1-moment process option, parameters returned by process_params_for)
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
rain_snow_collision_efficiency | e | 1 | Collision efficiency between rain and snow for the 1-moment scheme (unitless). |
rain_snow_velocity_dispersion_coefficient | coeff_disp | 0.2 | Velocity dispersion coefficient for rain and snow in the 1-moment microphysics scheme (unitless). |
2-moment microphysics
AcnvKK2000
Constructor: AcnvKK2000
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
KK2000_autoconversion_coeff_A | A | 1350.0 | Coefficient $A$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization $A \, q_{lcl}^a \, (N_d / N_{ref})^b \, (\rho / \rho_{ref})^c$ (s⁻¹). Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2; density dependence from Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_a | a | 2.47 | Coefficient $a$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_b | b | -1.79 | Coefficient $b$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_c | c | -1.47 | Coefficient $c$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_reference_cloud_droplet_number_concentration | N_ref | 1.0e6 | Reference cloud droplet number concentration $N_{ref}$ normalizing $N_d$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (m⁻³). Equals 1 cm⁻³, the unit of $N_d$ in the original fit. Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2. |
KK2000_reference_air_density | ρ_ref | 1.0 | Reference air density $\rho_{ref}$ normalizing $\rho$ in the Khairoutdinov and Kogan (2000) autoconversion and accretion parameterizations (kg m⁻³). |
AccrKK2000
Constructor: AccrKK2000
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
KK2000_accretion_coeff_A | A | 67.0 | Coefficient $A$ in the Khairoutdinov and Kogan (2000) accretion parameterization $A \, (q_{lcl} q_{rai})^a \, (\rho / \rho_{ref})^b$ (s⁻¹). Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2; density dependence from Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_a | a | 1.15 | Coefficient $a$ in the Khairoutdinov and Kogan (2000) accretion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_b | b | -1.3 | Coefficient $b$ in the Khairoutdinov and Kogan (2000) accretion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_reference_air_density | ρ_ref | 1.0 | Reference air density $\rho_{ref}$ normalizing $\rho$ in the Khairoutdinov and Kogan (2000) autoconversion and accretion parameterizations (kg m⁻³). |
AcnvB1994
Constructor: AcnvB1994
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
B1994_autoconversion_coeff_C | C | 3.0e34 | Coefficient $C$ in the Beheng (1994) autoconversion parameterization ($m^{3(c+b-1)} s^{-1} kg^{-(b-1)}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_a | a | -1.7 | Coefficient $a$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_b | b | 4.7 | Coefficient $b$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_c | c | -3.3 | Coefficient $c$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_N_0 | N_0 | 2.0e8 | Coefficient $N_0$ in the Beheng (1994) autoconversion parameterization (m⁻³). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_low | d_low | 3.9 | Coefficient $d_{low}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_high | d_high | 9.9 | Coefficient $d_{high}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
threshold_smooth_transition_steepness | k | 10.0 | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
AcnvTC1980
Constructor: AcnvTC1980
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
TC1980_autoconversion_coeff_a | a | 2.3333333333333335 | Coefficient $a$ (default 7/3) in the Tripoli and Cotton (1980) rain autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_b | b | -0.3333333333333333 | Coefficient $b$ (default -1/3) in the Tripoli and Cotton (1980) rain autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_D | D | 3268.0 | Coefficient $D$ in the Tripoli and Cotton (1980) rain autoconversion parameterization ($m^{3b} s^{-1}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_r_0 | r_0 | 7.0e-6 | Threshold size $r_0$ in the Tripoli and Cotton (1980) rain autoconversion parameterization (m). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_me_liq | me_liq | 3.0 | Mass-size relation exponent $m_e$ in the Tripoli and Cotton (1980) scheme (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
threshold_smooth_transition_steepness | k | 10.0 | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
density_liquid_water | m0_liq_coeff | 1000 | Density of liquid water (kg m⁻³). |
LD2004
Constructor: LD2004
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
LD2004_R_6C_coeff | R_6C_0 | 7.5 | Coefficient in the Liu and Daum (2004) autoconversion parameterization ($\mu m^{3/2} kg^{1/6} m^{-1/2}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
LD2004_E_0_coeff | E_0 | 1.08e10 | Coefficient $E_0$ in the Liu and Daum (2004) autoconversion parameterization ($m^3 kg^{-2} s^{-1}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
density_liquid_water | ρ_w | 1000 | Density of liquid water (kg m⁻³). |
threshold_smooth_transition_steepness | k | 10.0 | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
RainParticlePDFSB2006limited
Constructor: RainParticlePDF_SB2006_limited
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_rain_distribution_coeff_nu | νr | -0.66666666666667 | Gamma distribution coefficient $\nu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_mu | μr | 0.33333333333333 | Gamma distribution coefficient $\mu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_min_mass | xr_min | 2.6e-10 | Minimum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_max_mass | xr_max | 5.0e-6 | Maximum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_N0_min | N0_min | 250000.0 | Minimum value of the raindrops size distribution parameter $N_0$ (m⁻⁴). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_N0_max | N0_max | 2.0e7 | Maximum value of the raindrops size distribution parameter $N_0$ (m⁻⁴). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_lambda_min | λ_min | 1000.0 | Minimum value of the raindrops size distribution parameter $\lambda$ (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_lambda_max | λ_max | 10000.0 | Maximum value of the raindrops size distribution parameter $\lambda$ (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
RainParticlePDFSB2006notlimited
Constructor: RainParticlePDF_SB2006_notlimited
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_rain_distribution_coeff_nu | νr | -0.66666666666667 | Gamma distribution coefficient $\nu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_mu | μr | 0.33333333333333 | Gamma distribution coefficient $\mu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_min_mass | xr_min | 2.6e-10 | Minimum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_max_mass | xr_max | 5.0e-6 | Maximum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
CloudParticlePDF_SB2006
Constructor: CloudParticlePDF_SB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_cloud_gamma_distribution_coeff_nu | νc | 1.0 | Gamma distribution coefficient $\nu$ for clouds (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_cloud_gamma_distribution_coeff_mu | μc | 1 | Gamma distribution coefficient $\mu$ for clouds (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_cloud_droplets_min_mass | xc_min | 4.2e-15 | Minimum mass of cloud droplets in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_min_mass | xc_max | 2.6e-10 | Minimum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
AcnvSB2006
Constructor: AcnvSB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_collection_kernel_coeff_kcc | kcc | 4.44e9 | Cloud-cloud collection kernel constant $k_{cc}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-2} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_min_mass | x_star | 2.6e-10 | Minimum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_A | A | 400.0 | Coefficient $A$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_a | a | 0.7 | Coefficient $a$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_b | b | 3 | Coefficient $b$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
AccrSB2006
Constructor: AccrSB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_collection_kernel_coeff_kcr | kcr | 5.25 | Cloud-rain collection kernel constant $k_{cr}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-1} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_accretion_correcting_function_coeff_tau0 | τ0 | 5.0e-5 | Coefficient $\tau_0$ in the universal function correcting the accretion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_accretion_correcting_function_coeff_c | c | 4 | Coefficient $c$ in the universal function correcting the accretion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SelfColSB2006
Constructor: SelfColSB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_collection_kernel_coeff_krr | krr | 7.12 | Rain-rain collection kernel constant $k_{rr}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-1} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_collection_kernel_coeff_kapparr | κrr | 60.7 | Collection kernel constant $\kappa_{rr}$ in the Seifert and Beheng (2006) scheme ($kg^{-1/3}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_self-collection_coeff_d | d | -5 | Coefficient $d$ in the raindrops self-collection rate equation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
BreakupSB2006
Constructor: BreakupSB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_raindrops_equilibrium_mean_diameter | Deq | 0.0009 | Equilibrium mean diameter of raindrops for computing the breakup rate (m). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_mean_diameter_threshold | Dr_th | 0.00035 | Threshold of raindrops mean diameter for breakup (m). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_coeff_kbr | kbr | 1000 | Coefficient $k_{br}$ in the raindrops breakup rate equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_coeff_kappabr | κbr | 2300 | Coefficient $\kappa_{br}$ in the raindrops breakup rate equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
EvaporationSB2006
Constructor: EvaporationSB2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_ventilation_factor_coeff_av | av | 0.78 | Coefficient $a_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_ventilation_factor_coeff_bv | bv | 0.308 | Coefficient $b_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_evaporation_coeff_alpha | α | 159 | Coefficient $\alpha$ in the fallspeed relation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_evaporation_coeff_beta | β | 0.266 | Coefficient $\beta$ in the fallspeed relation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
NumberAdjustmentHorn2012
Constructor: NumberAdjustmentHorn2012
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Horn2012_number_concentration_adjustment_timescale | τ | 100 | Timescale for 2-moment number concentration adjustment (s). Source: Horn (2012), DOI: 10.5194/gmd-5-345-2012. |
CondEvap2M
Constructor: CondEvap2M
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
condensation_evaporation_timescale | τ_relax | 10.0 | Condensation/evaporation timescale for non-equilibrium microphysics (s). |
SubDep2M
Constructor: SubDep2M
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
sublimation_deposition_timescale | τ_relax | 10.0 | Deposition/sublimation timescale for non-equilibrium microphysics (s). |
AccrB1994
Constructor: AccrB1994
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
B1994_accretion_coeff_A | A | 6.0 | Coefficient $A$ in the Beheng (1994) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
AccrTC1980
Constructor: AccrTC1980
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
TC1980_accretion_coeff_A | A | 4.7 | Coefficient $A$ in the Tripoli and Cotton (1980) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
P3 scheme
AreaPowerLaw
Constructor: AreaPowerLaw
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
M1996_area_coeff_gamma | γ | 0.2285 | Coefficient $\gamma$ in the power law for the projected area of various ice habits in the P3 scheme ($m^{2-\sigma}$). Source: Mitchell (1996); Morrison and Milbrandt (2015). |
M1996_area_exponent_sigma | σ | 1.88 | Exponent $\sigma$ in the power law for the projected area of various ice habits in the P3 scheme (unitless). Source: Mitchell (1996); Morrison and Milbrandt (2015). |
SlopePowerLaw
Constructor: SlopePowerLaw
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Heymsfield_mu_coeff1 | a | 0.00191 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme ($m^{0.8}$). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff2 | b | 0.8 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff3 | c | 2 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_cutoff | μ_max | 6 | Limiter for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
SmoothSlopePowerLaw
Constructor: SmoothSlopePowerLaw
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Heymsfield_mu_coeff1 | a | 0.00191 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme ($m^{0.8}$). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff2 | b | 0.8 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff3 | c | 2 | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_cutoff | μ_max | 6 | Limiter for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
P3_mu_smoothing_sharpness | κ | 2.68 | Corner sharpness $\kappa$ of the smooth $0 \le \mu \le \mu_{max}$ limiters in the P3 SmoothSlopePowerLaw slope parameterization (unitless). Larger $\kappa$ approaches the clamped SlopePowerLaw; the default is set below the critical sharpness at which $\log(L/N)$ loses strict monotonicity in $\lambda$, with a safety margin, in both Float32 and Float64. The binding corner is the lower ($\mu = 0$) kink of unrimed ice. Experimental (may change at any time). |
SlopeConstant
Constructor: SlopeConstant
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
P3_constant_slope_parameterization_value | μ | 3.0 | Value of $\mu$ for the constant slope parameterization in the P3 scheme (unitless). |
VentilationFactor
Constructor: VentilationFactor
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_ventilation_factor_coeff_av | aᵥ | 0.78 | Coefficient $a_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_ventilation_factor_coeff_bv | bᵥ | 0.308 | Coefficient $b_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
LocalRimeDensity
Constructor: LocalRimeDensity
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
CL1993_local_rime_density_constant_coeff | a | 51 | Constant coefficient for local rime density in the P3 scheme (kg m⁻³). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
CL1993_local_rime_density_linear_coeff | b | 114 | Linear coefficient for local rime density in the P3 scheme (kg m⁻³ (m² s⁻¹ °C⁻¹)⁻¹). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
CL1993_local_rime_density_quadratic_coeff | c | -5.5 | Quadratic coefficient for local rime density in the P3 scheme (kg m⁻³ (m² s⁻¹ °C⁻¹)⁻²). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
density_ice_water | ρ_ice | 916.7 | Density of water ice (kg m⁻³). |
MassPowerLaw
Constructor: MassPowerLaw
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
BF1995_mass_coeff_alpha | α_va | 7.38e-11 | Coefficient $\alpha_{va}$ in the power law for mass from vapor diffusion/aggregation in the P3 scheme ($g \mu m^{-\beta_{va}}$). See P3 scheme documentation to adjust units. Source: Brown and Francis (1995); Morrison and Milbrandt (2015). |
BF1995_mass_exponent_beta | β_va | 1.9 | Exponent $\beta_{va}$ in the power law for mass from vapor diffusion/aggregation in the P3 scheme (unitless). Source: Brown and Francis (1995); Morrison and Milbrandt (2015). |
ParametersP3
Constructor: ParametersP3
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
density_ice_water | ρ_i | 916.7 | Density of water ice (kg m⁻³). |
density_liquid_water | ρ_l | 1000 | Density of liquid water (kg m⁻³). |
temperature_water_freeze | T_freeze | 273.15 | Freezing temperature of water (K). |
P3_wet_growth_timescale | τ_wet | 100 | Timescale for densification due to wet growth in the P3 scheme (s). |
P3_ice_nucleation_diameter | D_nuc | 2.0e-6 | Diameter of a newly nucleated ice particle in the P3 scheme (m). Sets the mass added to ice by deposition nucleation and the reference particle size for the ice number-adjustment bounds. Experimental (may change at any time). |
P3_ice_largest_mean_particle_mass | m_max | 0.0001 | Largest mean ice particle mass of the P3 size distribution (kg), the mass of a solid-ice sphere of about 5.9 mm. The P3 state bounds the ice number from below so that the mean particle mass does not exceed it. Experimental (may change at any time). |
Terminal velocity
StokesRegimeVelType
Constructor: StokesRegimeVelType
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
kinematic_viscosity_of_air | ν_air | 1.6e-5 | Kinematic viscosity of air (m² s⁻¹). |
gravitational_acceleration | grav | 9.81 | Gravitational acceleration on the planet (m s⁻²). |
SB2006VelType
Constructor: SB2006VelType
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
SB2006_reference_air_density | ρ0 | 1.225 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_aR | aR | 9.65 | Coefficient $a_R$ in the raindrops terminal velocity equation (m s⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_bR | bR | 10.3 | Coefficient $b_R$ in the raindrops terminal velocity equation (m s⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_cR | cR | 600 | Coefficient $c_R$ in the raindrops terminal velocity equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
kinematic_viscosity_of_air | ν_air | 1.6e-5 | Kinematic viscosity of air (m² s⁻¹). |
gravitational_acceleration | grav | 9.81 | Gravitational acceleration on the planet (m s⁻²). |
Chen2022VelTypeSmallIce
Constructor: Chen2022VelTypeSmallIce
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Chen2022_table_B3_As | A | [-0.263503, 0.00174079, 0.0378769] | Coefficients $A_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Bs | B | [0.575231, 0.0909307, 0.515579] | Coefficients $B_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Cs | C | [-0.345387, 0.177362, -0.000427794, 0.00419647] | Coefficients $C_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Es | E | [-0.156593, 0.0189334, 0.1377817] | Coefficients $E_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Fs | F | [-3.35641, 0.0156199, 0.765337] | Coefficients $F_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Gs | G | [-0.0309715, 1.55054, 0.518349] | Coefficients $G_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_ice_cutoff | cutoff | 0.000625 | Cutoff diameter between small and large ice particles in the Chen et al. (2022) parameterization (m). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022VelTypeLargeIce
Constructor: Chen2022VelTypeLargeIce
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Chen2022_table_B5_Al | A | [-0.475897, -0.0023127, 1.12293] | Coefficients $A_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Bl | B | [-2.56289, -0.00513504, 0.608459] | Coefficients $B_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Cl | C | [-0.756064, 0.935922, -1.70952] | Coefficients $C_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_El | E | [0.00639847, 0.00906454, -0.108232] | Coefficients $E_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Fl | F | [0.515453, -0.0725042, -1.8681e19] | Coefficients $F_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Gl | G | [2.65236, 0.00158269, 259.935] | Coefficients $G_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Hl | H | [-0.346044, -7.17829e-11, -1.24394e20] | Coefficients $H_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_ice_cutoff | cutoff | 0.000625 | Cutoff diameter between small and large ice particles in the Chen et al. (2022) parameterization (m). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022VelTypeRain
Constructor: Chen2022VelTypeRain
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Chen2022_table_B1_q_coeff | ρ0 | 0.115231 | Coefficient $q$ for raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_ai | a | [0.044612, -0.263166, 4.7178] | Coefficients $a_i$ for raindrop terminal velocity parameterization ($mm^{-b_i}$). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_a3_pow_coeff | a3_pow | -0.47335 | Power coefficient for $a_3$ in raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_bi | b | [2.2955, 2.2955, 1.1451] | Coefficients $b_i$ for raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_b_rho_coeff | b_ρ | 0.038465 | Density coefficient $b_{\rho}$ for raindrop terminal velocity parameterization (m³ kg⁻¹). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_ci | c | [0.0, 0.184325, 0.184325] | Coefficients $c_i$ for raindrop terminal velocity parameterization (mm⁻¹). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Blk1MVelTypeRain
Constructor: Blk1MVelTypeRain
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_flake_length_scale | r0 | 0.001 | Snow particle length scale for the 1-moment microphysics scheme (m). |
rain_terminal_velocity_size_relation_coefficient_ve | ve | 0.5 | Exponent $v_e$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_delv | Δv | 0 | Coefficient $\delta_v$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_chiv | χv | 1 | Coefficient $\chi_v$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
density_liquid_water | ρw | 1000 | Density of liquid water (kg m⁻³). |
rain_drop_drag_coefficient | C_drag | 0.55 | Rain drop drag coefficient for the 1-moment microphysics scheme (unitless). |
gravitational_acceleration | grav | 9.81 | Gravitational acceleration on the planet (m s⁻²). |
rain_mass_size_relation_coefficient_me | me | 3 | Exponent $m_e$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_delm | Δm | 0 | Coefficient $\delta_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_ae | ae | 2 | Exponent $a_e$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_dela | Δa | 0 | Coefficient $\delta_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
Blk1MVelTypeSnow
Constructor: Blk1MVelTypeSnow
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
snow_flake_length_scale | r0 | 0.001 | Snow particle length scale for the 1-moment microphysics scheme (m). |
snow_terminal_velocity_size_relation_coefficient | ve | 0.25 | Exponent in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient_delv | Δv | 0 | Coefficient $\delta_v$ in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient_chiv | χv | 1 | Coefficient $\chi_v$ in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_me | me | 2 | Exponent $m_e$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_delm | Δm | 0 | Coefficient $\delta_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient | ae | 2 | Exponent in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_dela | Δa | 0 | Coefficient $\delta_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
Aerosol activation and nucleation
AerosolActivationParameters
Constructor: AerosolActivationParameters
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
molar_mass_water | M_w | 0.01801528 | Molar mass of water (kg mol⁻¹). |
universal_gas_constant | R | 8.3144598 | Universal gas constant ($R$) (J mol⁻¹ K⁻¹). |
density_liquid_water | ρ_w | 1000 | Density of liquid water (kg m⁻³). |
density_ice_water | ρ_i | 916.7 | Density of water ice (kg m⁻³). |
surface_tension_water | σ | 0.072 | Surface tension of water (N m⁻¹). |
gravitational_acceleration | g | 9.81 | Gravitational acceleration on the planet (m s⁻²). |
ARG2000_f_coeff_1 | f1 | 0.5 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_f_coeff_2 | f2 | 2.5 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_g_coeff_1 | g1 | 1.0 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_g_coeff_2 | g2 | 0.25 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_pow_1 | p1 | 1.5 | Exponent for the term $\zeta / \eta$ in an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_pow_2 | p2 | 0.75 | Exponent for the term $S_m^2 / (\zeta + 3 \eta)$ in an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
H2S04NucleationParameters
Constructor: H2S04NucleationParameters
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
mam3_nucleation_p_b_n_neutral | p_b_n | 3.95451 | Empirical coefficient $p_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_b_i_ion_induced | p_b_i | 3.373738 | Empirical coefficient $p_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_b_n_neutral | u_b_n | 9.702973 | Empirical coefficient $u_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_b_i_ion_induced | u_b_i | -11.48166 | Empirical coefficient $u_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_b_n_neutral | v_b_n | 12.62259 | Empirical coefficient $v_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_b_i_ion_induced | v_b_i | 25.49469 | Empirical coefficient $v_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_b_n_neutral | w_b_n | -0.007066146 | Empirical coefficient $w_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_b_i_ion_induced | w_b_i | 0.1810722 | Empirical coefficient $w_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_t_n_neutral | p_t_n | 2.891024 | Empirical coefficient $p_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_t_i_ion_induced | p_t_i | 3.138719 | Empirical coefficient $p_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_t_n_neutral | u_t_n | 182.4495 | Empirical coefficient $u_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_t_i_ion_induced | u_t_i | -23.8002 | Empirical coefficient $u_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_t_n_neutral | v_t_n | 1.203451 | Empirical coefficient $v_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_t_i_ion_induced | v_t_i | 37.03029 | Empirical coefficient $v_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_t_n_neutral | w_t_n | -4.188065 | Empirical coefficient $w_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_t_i_ion_induced | w_t_i | 0.227413 | Empirical coefficient $w_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_A_n_neutral | p_A_n | 8.003471 | Empirical coefficient $p_{A,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_A_i_ion_induced | p_A_i | 3.071246 | Empirical coefficient $p_{A,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_a_n_neutral | a_n | 1.5703478e-6 | Empirical coefficient $a_n$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_a_i_ion_induced | a_i | 0.0048314 | Empirical coefficient $a_i$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
OrganicNucleationParameters
Constructor: OrganicNucleationParameters
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
mam3_nucleation_a_1_neutral | a_1 | 0.0400097 | Empirical coefficient $a_{1,n}$ for neutral pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_2_neutral | a_2 | 1.84826 | Empirical coefficient $a_{2,n}$ for neutral pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_3_ion_induced | a_3 | 0.00136641 | Empirical coefficient $a_{3,i}$ for ion-induced pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³, $[n^-]$ in cm⁻³, and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_4_ion_induced | a_4 | 1.56588 | Empirical coefficient $a_{4,i}$ for ion-induced pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³, $[n^-]$ in cm⁻³, and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_5 | a_5 | 0.186303 | Empirical coefficient $a_5$ for pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_Y_MTO3_percent | Y_MTO3 | 0.029 | Molar yield of highly oxygenated molecules (HOM) from monoterpene (MT) oxidation by O₃ for pure organic nucleation (%). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_Y_MTOH_percent | Y_MTOH | 0.012 | Molar yield of highly oxygenated molecules (HOM) from monoterpene (MT) oxidation by OH for pure organic nucleation (%). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_k_MTO3_organic_factor | k_MTO3 | 8.05e-16 | Factor for temperature-dependent rate of MT oxidation by O₃ for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_k_MTOH_organic_factor | k_MTOH | 1.2e-11 | Factor for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_exp_MTO3_organic_factor | exp_MTO3 | -640 | Exponent for temperature-dependent rate of MT oxidation by O₃ for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_exp_MTOH_organic_factor | exp_MTOH | 440 | Exponent for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
MixedNucleationParameters
Constructor: MixedNucleationParameters
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
mam3_nucleation_k_H2SO4_mixed_organic_sulfuric_acid_factor | k_H2SO4org | 3.27e-21 | Temperature-dependent factor for mixed organic-sulfuric acid nucleation. Assumes [H₂SO₄] is in 10⁶ cm⁻³ and [BioOxOrg] is in cm⁻³. Source: Riccobono et al. (2014), DOI: 10.1126/science.1243527. |
mam3_nucleation_k_MTOH_organic_factor | k_MTOH | 1.2e-11 | Factor for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_exp_MTOH_organic_factor | exp_MTOH | 440 | Exponent for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
H2SO4SolutionParameters
Constructor: H2SO4SolutionParameters
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
p_over_sulphuric_acid_solution_T_max | T_max | 235 | Maximum valid temperature for the H₂SO₄ solution vapor pressure parameterization (K). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_T_min | T_min | 185 | Minimum valid temperature for the H₂SO₄ solution vapor pressure parameterization (K). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_w_2 | w_2 | 1.4408 | Coefficient for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c1 | c1 | 23.306 | Coefficient $c_1$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c2 | c2 | 5.3465 | Coefficient $c_2$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c3 | c3 | 12 | Coefficient $c_3$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c4 | c4 | 8.19 | Coefficient $c_4$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c5 | c5 | -5814 | Coefficient $c_5$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c6 | c6 | 928.9 | Coefficient $c_6$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c7 | c7 | 1876.7 | Coefficient $c_7$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
Ice nucleation
Mohler2006
Constructor: Mohler2006
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Mohler2006_maximum_allowed_Si | Sᵢ_max | 1.35 | Maximum allowed supersaturation over ice, $S_{i,max}$ (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_threshold_T | T_thr | 220 | Threshold temperature, $T_{thr}$, separating two deposition regimes (K). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Koop2000
Constructor: Koop2000
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Koop2000_min_delta_aw | Δa_w_min | 0.26 | Minimum valid water activity difference $\Delta a_w$ for the Koop et al. (2000) homogeneous nucleation parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_max_delta_aw | Δa_w_max | 0.34 | Maximum valid water activity difference $\Delta a_w$ for the Koop et al. (2000) homogeneous nucleation parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff1 | c₁ | -906.7 | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff2 | c₂ | 8502 | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff3 | c₃ | 26924 | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff4 | c₄ | 29180 | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Linear_J_hom_coeff1 | linear_c₁ | -68.5532830403637 | Intercept coefficient for a linear fit to the Koop et al. (2000) $J_{hom}$ parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Linear_J_hom_coeff2 | linear_c₂ | 255.9271249999972 | Slope coefficient for a linear fit to the Koop et al. (2000) $J_{hom}$ parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
MorrisonMilbrandt2014
Constructor: MorrisonMilbrandt2014
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
temperature_homogenous_nucleation | T_dep_thres | 233 | Temperature for homogeneous ice nucleation (K). |
Thompson2004_c1_Cooper | c₁ | 0.005 | Coefficient $c_1$ for calculating P3 deposition nucleation (unitless). Source: Thompson et al. (2004), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. |
Thompson2004_c2_Cooper | c₂ | 0.304 | Coefficient $c_2$ for calculating P3 deposition nucleation (unitless). Source: Thompson et al. (2004), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. |
temperature_water_freeze | T₀ | 273.15 | Freezing temperature of water (K). |
BarklieGokhale1959_a_parameter | het_a | 0.65 | Mean of parameter $a$ for determining P3 heterogeneous freezing (K⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
BarklieGokhale1959_B_parameter | het_B | 200 | Parameter $B$ for rainwater, used to determine P3 heterogeneous freezing (m⁻³ s⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
RainFreezing
Constructor: RainFreezing
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
BarklieGokhale1959_a_parameter | het_a | 0.65 | Mean of parameter $a$ for determining P3 heterogeneous freezing (K⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
BarklieGokhale1959_B_parameter | het_B | 200 | Parameter $B$ for rainwater, used to determine P3 heterogeneous freezing (m⁻³ s⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
Frostenberg2023
Constructor: Frostenberg2023
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Frostenberg2023_standard_deviation | σ | 1.37 | Standard deviation of the log of the ice-nucleating particle concentration (unitless). Source: Frostenberg et al. (2023), Eq. (1), DOI: 10.5194/acp-23-10883-2023. |
Frostenberg2023_b_coefficient | b | 1 | Coefficient $b$ for the ice-nucleating particle concentration (°C⁻¹). Source: Frostenberg et al. (2023), Eq. (1), DOI: 10.5194/acp-23-10883-2023. |
temperature_water_freeze | T_freeze | 273.15 | Freezing temperature of water (K). |
Aerosol species
ArizonaTestDust
Constructor: ArizonaTestDust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Mohler2006_S0_warm_ArizonaTestDust | S₀_warm | 1.03 | Onset saturation ratio $S_0$ for temperatures > $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_cold_ArizonaTestDust | S₀_cold | 1.07 | Onset saturation ratio $S_0$ for temperatures < $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_warm_ArizonaTestDust | a_warm | 4.7 | Coefficient $a$ for temperatures > $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_cold_ArizonaTestDust | a_cold | 9.2 | Coefficient $a$ for temperatures < $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
J_ABDINM_m_ArizonaTestDust | deposition_m | 13.2251 | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABDINM_c_ArizonaTestDust | deposition_c | 0.7716 | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_m_ArizonaTestDust | ABIFM_m | 22.62 | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_c_ArizonaTestDust | ABIFM_c | -1.35 | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
AsianDust
Constructor: AsianDust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
J_ABDINM_m_AsianDust | deposition_m | 13.2251 | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Asian Dust (unitless). |
J_ABDINM_c_AsianDust | deposition_c | 0.7716 | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_m_AsianDust | ABIFM_m | 22.62 | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_c_AsianDust | ABIFM_c | -1.35 | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
DesertDust
Constructor: DesertDust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Mohler2006_S0_warm_DesertDust | S₀_warm | 1.17 | Onset saturation ratio $S_0$ for temperatures > $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_cold_DesertDust | S₀_cold | 1.03 | Onset saturation ratio $S_0$ for temperatures < $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_warm_DesertDust | a_warm | 0.43 | Coefficient $a$ for temperatures > $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_cold_DesertDust | a_cold | 2.35 | Coefficient $a$ for temperatures < $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
AlpertKnopf2016_J_ABIFM_m_DesertDust | ABIFM_m | 22.62 | Coefficient $m$ for immersion freezing rate $J_{het}$ of Desert Dust (unitless). Source: Alpert and Knopf (2016), DOI: 10.5194/acp-16-2083-2016. |
AlpertKnopf2016_J_ABIFM_c_DesertDust | ABIFM_c | -1.35 | Coefficient $c$ for immersion freezing rate $J_{het}$ of Desert Dust (unitless). Source: Alpert and Knopf (2016), DOI: 10.5194/acp-16-2083-2016. |
Dust
Constructor: Dust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
J_ABDINM_m_Dust | deposition_m | 13.2251 | Default empirical coefficient $m$ for the water-activity-based deposition nucleation rate ($J_{het}$) parameterization for dust (unitless). |
J_ABDINM_c_Dust | deposition_c | 0.7716 | Default empirical coefficient $c$ for the water-activity-based deposition nucleation rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_m_Dust | ABIFM_m | 22.62 | Default empirical coefficient $m$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_c_Dust | ABIFM_c | -1.35 | Default empirical coefficient $c$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
Feldspar
Constructor: Feldspar
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Alpert2022_J_deposition_m_Feldspar | deposition_m | 13.2251 | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Feldspar (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Alpert2022_J_deposition_c_Feldspar | deposition_c | 0.7716 | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Feldspar (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Ferrihydrite
Constructor: Ferrihydrite
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
Alpert2022_J_deposition_m_Ferrihydrite | deposition_m | 12.3525 | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Ferrihydrite (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Alpert2022_J_deposition_c_Ferrihydrite | deposition_c | 0.0516 | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Ferrihydrite (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Illite
Constructor: Illite
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
J_ABDINM_m_Illite | deposition_m | 13.2251 | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Illite (unitless). |
J_ABDINM_c_Illite | deposition_c | 0.7716 | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Illite (unitless). |
KnopfAlpert2013_J_ABIFM_m_Illite | ABIFM_m | 54.48075 | Coefficient $m$ for immersion freezing rate $J_{het}$ of Illite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
KnopfAlpert2013_J_ABIFM_c_Illite | ABIFM_c | -10.66873 | Coefficient $c$ for immersion freezing rate $J_{het}$ of Illite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
Kaolinite
Constructor: Kaolinite
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
China2017_J_deposition_m_Kaolinite | deposition_m | 27.551 | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Kaolinite (unitless). Source: China et al. (2017), DOI: 10.1002/2016JD025817. |
China2017_J_deposition_c_Kaolinite | deposition_c | -2.2209 | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Kaolinite (unitless). Source: China et al. (2017), DOI: 10.1002/2016JD025817. |
KnopfAlpert2013_J_ABIFM_m_Kaolinite | ABIFM_m | 54.58834 | Coefficient $m$ for immersion freezing rate $J_{het}$ of Kaolinite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
KnopfAlpert2013_J_ABIFM_c_Kaolinite | ABIFM_c | -10.54758 | Coefficient $c$ for immersion freezing rate $J_{het}$ of Kaolinite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
MiddleEasternDust
Constructor: MiddleEasternDust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
J_ABIFM_m_MiddleEasternDust | ABIFM_m | 22.62 | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
J_ABIFM_c_MiddleEasternDust | ABIFM_c | -1.35 | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
SaharanDust
Constructor: SaharanDust
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
J_ABDINM_m_SaharanDust | deposition_m | 13.2251 | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Saharan Dust (unitless). |
J_ABDINM_c_SaharanDust | deposition_c | 0.7716 | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Saharan Dust (unitless). |
Seasalt
Constructor: Seasalt
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
seasalt_aerosol_molar_mass | M | 0.058443 | Molar mass of sea salt aerosol (kg mol⁻¹). |
seasalt_aerosol_density | ρ | 2170 | Density of sea salt aerosol (kg m⁻³). |
seasalt_aerosol_osmotic_coefficient | ϕ | 0.9 | Osmotic coefficient of sea salt aerosol (unitless). |
seasalt_aerosol_ion_number | ν | 2 | Number of ions that sea salt dissociates into when dissolved in water (unitless). |
seasalt_aerosol_water_soluble_mass_fraction | ϵ | 1 | Mass fraction of water-soluble material for sea salt aerosol (unitless). |
seasalt_aerosol_kappa | κ | 1.12 | Hygroscopicity parameter $\kappa$ for sea salt aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
Sulfate
Constructor: Sulfate
| ClimaParams name | Local name | Default | Description |
|---|---|---|---|
sulfate_aerosol_molar_mass | M | 0.132 | Molar mass of sulfate aerosol (kg mol⁻¹). |
sulfate_aerosol_density | ρ | 1770 | Density of sulfate aerosol (kg m⁻³). |
sulfate_aerosol_osmotic_coefficient | ϕ | 1 | Osmotic coefficient of sulfate aerosol (unitless). |
sulfate_aerosol_ion_number | ν | 3 | Number of ions that sulfate dissociates into when dissolved in water (unitless). |
sulfate_aerosol_water_soluble_mass_fraction | ϵ | 1 | Mass fraction of water-soluble material for sulfate aerosol (unitless). |
sulfate_aerosol_kappa | κ | 0.53 | Hygroscopicity parameter $\kappa$ for sulfate aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
All ClimaParams parameters used by CloudMicrophysics
290 parameters; Used by lists Struct.local_name for every map that reads the parameter.
| ClimaParams name | Default | Used by | Description |
|---|---|---|---|
Alpert2022_J_deposition_c_Feldspar | 0.7716 | Feldspar.deposition_c | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Feldspar (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Alpert2022_J_deposition_c_Ferrihydrite | 0.0516 | Ferrihydrite.deposition_c | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Ferrihydrite (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Alpert2022_J_deposition_m_Feldspar | 13.2251 | Feldspar.deposition_m | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Feldspar (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
Alpert2022_J_deposition_m_Ferrihydrite | 12.3525 | Ferrihydrite.deposition_m | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Ferrihydrite (unitless). Source: Alpert et al. (2022), DOI: 10.1039/D1EA00077B. |
AlpertKnopf2016_J_ABIFM_c_DesertDust | -1.35 | DesertDust.ABIFM_c | Coefficient $c$ for immersion freezing rate $J_{het}$ of Desert Dust (unitless). Source: Alpert and Knopf (2016), DOI: 10.5194/acp-16-2083-2016. |
AlpertKnopf2016_J_ABIFM_m_DesertDust | 22.62 | DesertDust.ABIFM_m | Coefficient $m$ for immersion freezing rate $J_{het}$ of Desert Dust (unitless). Source: Alpert and Knopf (2016), DOI: 10.5194/acp-16-2083-2016. |
ARG2000_f_coeff_1 | 0.5 | AerosolActivationParameters.f1 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_f_coeff_2 | 2.5 | AerosolActivationParameters.f2 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_g_coeff_1 | 1.0 | AerosolActivationParameters.g1 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_g_coeff_2 | 0.25 | AerosolActivationParameters.g2 | Scaling coefficient for an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_pow_1 | 1.5 | AerosolActivationParameters.p1 | Exponent for the term $\zeta / \eta$ in an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
ARG2000_pow_2 | 0.75 | AerosolActivationParameters.p2 | Exponent for the term $S_m^2 / (\zeta + 3 \eta)$ in an empirical function in the aerosol activation parameterization (unitless). Source: Abdul-Razzak and Ghan (2000), DOI: 10.1029/1999JD901161. |
B1994_accretion_coeff_A | 6.0 | AccrB1994.A | Coefficient $A$ in the Beheng (1994) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_a | -1.7 | AcnvB1994.a | Coefficient $a$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_b | 4.7 | AcnvB1994.b | Coefficient $b$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_C | 3.0e34 | AcnvB1994.C | Coefficient $C$ in the Beheng (1994) autoconversion parameterization ($m^{3(c+b-1)} s^{-1} kg^{-(b-1)}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_c | -3.3 | AcnvB1994.c | Coefficient $c$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_high | 9.9 | AcnvB1994.d_high | Coefficient $d_{high}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_low | 3.9 | AcnvB1994.d_low | Coefficient $d_{low}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_N_0 | 2.0e8 | AcnvB1994.N_0 | Coefficient $N_0$ in the Beheng (1994) autoconversion parameterization (m⁻³). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
BarklieGokhale1959_a_parameter | 0.65 | MorrisonMilbrandt2014.het_a, RainFreezing.het_a | Mean of parameter $a$ for determining P3 heterogeneous freezing (K⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
BarklieGokhale1959_B_parameter | 200 | MorrisonMilbrandt2014.het_B, RainFreezing.het_B | Parameter $B$ for rainwater, used to determine P3 heterogeneous freezing (m⁻³ s⁻¹). Source: Barklie and Gokhale (1959), see Pruppacher and Klett (1997), p. 350. |
BF1995_mass_coeff_alpha | 7.38e-11 | MassPowerLaw.α_va | Coefficient $\alpha_{va}$ in the power law for mass from vapor diffusion/aggregation in the P3 scheme ($g \mu m^{-\beta_{va}}$). See P3 scheme documentation to adjust units. Source: Brown and Francis (1995); Morrison and Milbrandt (2015). |
BF1995_mass_exponent_beta | 1.9 | MassPowerLaw.β_va | Exponent $\beta_{va}$ in the power law for mass from vapor diffusion/aggregation in the P3 scheme (unitless). Source: Brown and Francis (1995); Morrison and Milbrandt (2015). |
Chen2022_ice_cutoff | 0.000625 | Chen2022VelTypeSmallIce.cutoff, Chen2022VelTypeLargeIce.cutoff | Cutoff diameter between small and large ice particles in the Chen et al. (2022) parameterization (m). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_a3_pow_coeff | -0.47335 | Chen2022VelTypeRain.a3_pow | Power coefficient for $a_3$ in raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_ai | [0.044612, -0.263166, 4.7178] | Chen2022VelTypeRain.a | Coefficients $a_i$ for raindrop terminal velocity parameterization ($mm^{-b_i}$). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_b_rho_coeff | 0.038465 | Chen2022VelTypeRain.b_ρ | Density coefficient $b_{\rho}$ for raindrop terminal velocity parameterization (m³ kg⁻¹). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_bi | [2.2955, 2.2955, 1.1451] | Chen2022VelTypeRain.b | Coefficients $b_i$ for raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_ci | [0.0, 0.184325, 0.184325] | Chen2022VelTypeRain.c | Coefficients $c_i$ for raindrop terminal velocity parameterization (mm⁻¹). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B1_q_coeff | 0.115231 | Chen2022VelTypeRain.ρ0 | Coefficient $q$ for raindrop terminal velocity parameterization (unitless). Source: Chen et al. (2022), Table B1, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_As | [-0.263503, 0.00174079, 0.0378769] | Chen2022VelTypeSmallIce.A | Coefficients $A_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Bs | [0.575231, 0.0909307, 0.515579] | Chen2022VelTypeSmallIce.B | Coefficients $B_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Cs | [-0.345387, 0.177362, -0.000427794, 0.00419647] | Chen2022VelTypeSmallIce.C | Coefficients $C_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Es | [-0.156593, 0.0189334, 0.1377817] | Chen2022VelTypeSmallIce.E | Coefficients $E_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Fs | [-3.35641, 0.0156199, 0.765337] | Chen2022VelTypeSmallIce.F | Coefficients $F_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B3_Gs | [-0.0309715, 1.55054, 0.518349] | Chen2022VelTypeSmallIce.G | Coefficients $G_s$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B3, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Al | [-0.475897, -0.0023127, 1.12293] | Chen2022VelTypeLargeIce.A | Coefficients $A_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Bl | [-2.56289, -0.00513504, 0.608459] | Chen2022VelTypeLargeIce.B | Coefficients $B_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Cl | [-0.756064, 0.935922, -1.70952] | Chen2022VelTypeLargeIce.C | Coefficients $C_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_El | [0.00639847, 0.00906454, -0.108232] | Chen2022VelTypeLargeIce.E | Coefficients $E_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Fl | [0.515453, -0.0725042, -1.8681e19] | Chen2022VelTypeLargeIce.F | Coefficients $F_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Gl | [2.65236, 0.00158269, 259.935] | Chen2022VelTypeLargeIce.G | Coefficients $G_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
Chen2022_table_B5_Hl | [-0.346044, -7.17829e-11, -1.24394e20] | Chen2022VelTypeLargeIce.H | Coefficients $H_l$ for ice terminal velocity parameterization. Source: Chen et al. (2022), Table B5, DOI: 10.1016/j.atmosres.2022.106171. |
China2017_J_deposition_c_Kaolinite | -2.2209 | Kaolinite.deposition_c | Coefficient $c$ for deposition nucleation rate $J_{het}$ of Kaolinite (unitless). Source: China et al. (2017), DOI: 10.1002/2016JD025817. |
China2017_J_deposition_m_Kaolinite | 27.551 | Kaolinite.deposition_m | Coefficient $m$ for deposition nucleation rate $J_{het}$ of Kaolinite (unitless). Source: China et al. (2017), DOI: 10.1002/2016JD025817. |
CL1993_local_rime_density_constant_coeff | 51 | LocalRimeDensity.a | Constant coefficient for local rime density in the P3 scheme (kg m⁻³). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
CL1993_local_rime_density_linear_coeff | 114 | LocalRimeDensity.b | Linear coefficient for local rime density in the P3 scheme (kg m⁻³ (m² s⁻¹ °C⁻¹)⁻¹). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
CL1993_local_rime_density_quadratic_coeff | -5.5 | LocalRimeDensity.c | Quadratic coefficient for local rime density in the P3 scheme (kg m⁻³ (m² s⁻¹ °C⁻¹)⁻²). Source: Cober and List (1993), DOI: 10.1175/1520-0469(1993)050<1591:MOTHAM>2.0.CO;2. |
cloud_ice_apparent_density | 500 | CloudIce.ρᵢ, ParticleMass(CloudIce).ρᵢ | The apparent density of cloud ice particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
cloud_ice_crystals_length_scale | 1.0e-5 | ParticleMass(CloudIce).r0 | Cloud ice particle length scale for the 1-moment microphysics scheme (m). |
cloud_ice_mass_size_relation_coefficient_chim | 1 | ParticleMass(CloudIce).χm | Coefficient $\chi_m$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_mass_size_relation_coefficient_delm | 0 | ParticleMass(CloudIce).Δm | Coefficient $\delta_m$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_mass_size_relation_coefficient_me | 3 | ParticleMass(CloudIce).me | Exponent $m_e$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_number_max | 1.0e7 | IceNumberTemperatureFit.N_max | Upper bound on the temperature-dependent cloud ice number concentration (m⁻³). Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_temperature_fit_intercept | -2.8 | IceNumberTemperatureFit.a | Intercept a of the exponential temperature fit of the cloud ice number concentration (unitless). doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_temperature_fit_prefactor | 1000.0 | IceNumberTemperatureFit.N_ref | Prefactor N_ref of the temperature-dependent cloud ice number concentration (m⁻³). Converts the fit from per liter to per m³. Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_number_temperature_fit_slope | 0.262 | IceNumberTemperatureFit.b | Slope b of the exponential temperature fit of the cloud ice number concentration (K⁻¹). Meyers et.al. 1992 doi.org/10.1175/1520-0450(1992)031⟨0708:Npinpi⟩2.0.Co;2. |
cloud_ice_rain_collision_efficiency | 1 | CloudIceRainAccretion.e | Collision efficiency between cloud ice and rain for the 1-moment scheme (unitless). |
cloud_ice_sedimentation_number_concentration | 100000.0 | CloudIce.N_0 | Number concentration of cloud ice particles for sedimentation (m⁻³). |
cloud_ice_size_distribution_coefficient_n0 | 2.0e7 | CloudIce.n0 | Cloud ice size distribution parameter $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
cloud_ice_snow_collision_efficiency | 0.1 | CloudIceSnowAccretion.e | Collision efficiency between cloud ice and snow for the 1-moment scheme (unitless). |
cloud_ice_specific_humidity_autoconversion_threshold | 1.0e-6 | NoSupersaturation.q_threshold | Snow autoconversion threshold in terms of specific humidity for the 1-moment microphysics scheme (unitless). |
cloud_liquid_rain_collision_efficiency | 0.8 | CloudLiquidRainAccretion.e | Collision efficiency between cloud liquid water and rain for the 1-moment scheme (unitless). |
cloud_liquid_sedimentation_number_concentration | 5.0e8 | CloudLiquid.N_0 | Number concentration of cloud liquid particles for sedimentation (m⁻³). |
cloud_liquid_snow_collision_efficiency | 0.1 | CloudLiquidSnowAccretion.e | Collision efficiency between cloud liquid water and snow for the 1-moment scheme (unitless). |
cloud_liquid_water_specific_humidity_autoconversion_threshold | 0.0005 | KesslerAcnv.q_threshold_fast | Rain formation threshold in terms of specific humidity for the 1-moment microphysics scheme (unitless). Also used as the threshold for strong vertical velocities (convective regime) in the vertical velocity dependent Kessler rain formation. |
cloud_liquid_water_specific_humidity_autoconversion_threshold_stratiform_scale | 1.0 | KesslerAcnv.q_threshold_stratiform_scale | Multiplicative scale factor applied to cloudliquidwaterspecifichumidityautoconversionthreshold to get the stratiform-regime (weak vertical velocities) threshold in the vertical-velocity-dependent Kessler rain formation (unitless). Default 1.0 (stratiform threshold equals the convective one, giving the classic velocity-independent Kessler scheme). |
condensation_evaporation_timescale | 10.0 | CloudLiquidFormation.τ_relax, CondEvap2M.τ_relax | Condensation/evaporation timescale for non-equilibrium microphysics (s). |
density_ice_water | 916.7 | WaterProperties.ρi, Snow.ρᵢ_bulk, LocalRimeDensity.ρ_ice, ParametersP3.ρ_i, AerosolActivationParameters.ρ_i | Density of water ice (kg m⁻³). |
density_liquid_water | 1000 | WaterProperties.ρw, CloudLiquid.ρw, ParticleMass(Rain).ρ, AcnvTC1980.m0_liq_coeff, LD2004.ρ_w, RainParticlePDF_SB2006_limited.ρw, RainParticlePDF_SB2006_notlimited.ρw, CloudParticlePDF_SB2006.ρw, ParametersP3.ρ_l, StokesRegimeVelType.ρw, SB2006VelType.ρw, Blk1MVelTypeRain.ρw, AerosolActivationParameters.ρ_w | Density of liquid water (kg m⁻³). |
diffusivity_of_water_vapor | 2.26e-5 | AirProperties.D_vapor | Diffusivity of water vapor in air (m² s⁻¹). |
Frostenberg2023_b_coefficient | 1 | Frostenberg2023.b | Coefficient $b$ for the ice-nucleating particle concentration (°C⁻¹). Source: Frostenberg et al. (2023), Eq. (1), DOI: 10.5194/acp-23-10883-2023. |
Frostenberg2023_standard_deviation | 1.37 | Frostenberg2023.σ | Standard deviation of the log of the ice-nucleating particle concentration (unitless). Source: Frostenberg et al. (2023), Eq. (1), DOI: 10.5194/acp-23-10883-2023. |
gravitational_acceleration | 9.81 | StokesRegimeVelType.grav, SB2006VelType.grav, Blk1MVelTypeRain.grav, AerosolActivationParameters.g | Gravitational acceleration on the planet (m s⁻²). |
Heymsfield_mu_coeff1 | 0.00191 | SlopePowerLaw.a, SmoothSlopePowerLaw.a | Coefficient for shape parameter $\mu$ for ice in the P3 scheme ($m^{0.8}$). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff2 | 0.8 | SlopePowerLaw.b, SmoothSlopePowerLaw.b | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff3 | 2 | SlopePowerLaw.c, SmoothSlopePowerLaw.c | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_cutoff | 6 | SlopePowerLaw.μ_max, SmoothSlopePowerLaw.μ_max | Limiter for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
homogeneous_freezing_timescale | 1 | Homogeneous.τ_hom | Timescale of the homogeneous freezing of cloud liquid droplets into ice (s). |
Horn2012_number_concentration_adjustment_timescale | 100 | NumberAdjustmentHorn2012.τ | Timescale for 2-moment number concentration adjustment (s). Source: Horn (2012), DOI: 10.5194/gmd-5-345-2012. |
ice_cloud_effective_radius | 2.5e-5 | CloudIce.r_eff | Assumed constant effective radius for ice cloud particles (m). |
ice_snow_threshold_radius | 6.25e-5 | WithSupersaturation.r_ice_snow | Threshold particle radius separating ice and snow for the 1-moment microphysics scheme (m). |
J_ABDINM_c_ArizonaTestDust | 0.7716 | ArizonaTestDust.deposition_c | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABDINM_c_AsianDust | 0.7716 | AsianDust.deposition_c | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Asian Dust (unitless). |
J_ABDINM_c_Dust | 0.7716 | Dust.deposition_c | Default empirical coefficient $c$ for the water-activity-based deposition nucleation rate ($J_{het}$) parameterization for dust (unitless). |
J_ABDINM_c_Illite | 0.7716 | Illite.deposition_c | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Illite (unitless). |
J_ABDINM_c_SaharanDust | 0.7716 | SaharanDust.deposition_c | Empirical coefficient $c$ for the deposition nucleation rate ($J_{het}$) of Saharan Dust (unitless). |
J_ABDINM_m_ArizonaTestDust | 13.2251 | ArizonaTestDust.deposition_m | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABDINM_m_AsianDust | 13.2251 | AsianDust.deposition_m | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Asian Dust (unitless). |
J_ABDINM_m_Dust | 13.2251 | Dust.deposition_m | Default empirical coefficient $m$ for the water-activity-based deposition nucleation rate ($J_{het}$) parameterization for dust (unitless). |
J_ABDINM_m_Illite | 13.2251 | Illite.deposition_m | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Illite (unitless). |
J_ABDINM_m_SaharanDust | 13.2251 | SaharanDust.deposition_m | Empirical coefficient $m$ for the deposition nucleation rate ($J_{het}$) of Saharan Dust (unitless). |
J_ABIFM_c_ArizonaTestDust | -1.35 | ArizonaTestDust.ABIFM_c | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_c_AsianDust | -1.35 | AsianDust.ABIFM_c | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_c_Dust | -1.35 | Dust.ABIFM_c | Default empirical coefficient $c$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_c_MiddleEasternDust | -1.35 | MiddleEasternDust.ABIFM_c | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
J_ABIFM_m_ArizonaTestDust | 22.62 | ArizonaTestDust.ABIFM_m | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_m_AsianDust | 22.62 | AsianDust.ABIFM_m | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_m_Dust | 22.62 | Dust.ABIFM_m | Default empirical coefficient $m$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_m_MiddleEasternDust | 22.62 | MiddleEasternDust.ABIFM_m | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
kinematic_viscosity_of_air | 1.6e-5 | AirProperties.ν_air, StokesRegimeVelType.ν_air, SB2006VelType.ν_air | Kinematic viscosity of air (m² s⁻¹). |
KK2000_accretion_coeff_A | 67.0 | AccrKK2000.A | Coefficient $A$ in the Khairoutdinov and Kogan (2000) accretion parameterization $A \, (q_{lcl} q_{rai})^a \, (\rho / \rho_{ref})^b$ (s⁻¹). Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2; density dependence from Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_a | 1.15 | AccrKK2000.a | Coefficient $a$ in the Khairoutdinov and Kogan (2000) accretion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_b | -1.3 | AccrKK2000.b | Coefficient $b$ in the Khairoutdinov and Kogan (2000) accretion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_A | 1350.0 | AcnvKK2000.A | Coefficient $A$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization $A \, q_{lcl}^a \, (N_d / N_{ref})^b \, (\rho / \rho_{ref})^c$ (s⁻¹). Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2; density dependence from Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_a | 2.47 | AcnvKK2000.a | Coefficient $a$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_b | -1.79 | AcnvKK2000.b | Coefficient $b$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_c | -1.47 | AcnvKK2000.c | Coefficient $c$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_reference_air_density | 1.0 | AcnvKK2000.ρ_ref, AccrKK2000.ρ_ref | Reference air density $\rho_{ref}$ normalizing $\rho$ in the Khairoutdinov and Kogan (2000) autoconversion and accretion parameterizations (kg m⁻³). |
KK2000_reference_cloud_droplet_number_concentration | 1.0e6 | AcnvKK2000.N_ref | Reference cloud droplet number concentration $N_{ref}$ normalizing $N_d$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (m⁻³). Equals 1 cm⁻³, the unit of $N_d$ in the original fit. Source: Khairoutdinov and Kogan (2000), DOI: 10.1175/1520-0493(2000)128<0229:ANCPPI>2.0.CO;2. |
KnopfAlpert2013_J_ABIFM_c_Illite | -10.66873 | Illite.ABIFM_c | Coefficient $c$ for immersion freezing rate $J_{het}$ of Illite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
KnopfAlpert2013_J_ABIFM_c_Kaolinite | -10.54758 | Kaolinite.ABIFM_c | Coefficient $c$ for immersion freezing rate $J_{het}$ of Kaolinite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
KnopfAlpert2013_J_ABIFM_m_Illite | 54.48075 | Illite.ABIFM_m | Coefficient $m$ for immersion freezing rate $J_{het}$ of Illite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
KnopfAlpert2013_J_ABIFM_m_Kaolinite | 54.58834 | Kaolinite.ABIFM_m | Coefficient $m$ for immersion freezing rate $J_{het}$ of Kaolinite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
Koop2000_J_hom_coeff1 | -906.7 | Koop2000.c₁ | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff2 | 8502 | Koop2000.c₂ | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff3 | 26924 | Koop2000.c₃ | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_J_hom_coeff4 | 29180 | Koop2000.c₄ | Coefficient for calculating the homogeneous nucleation rate $J_{hom}$ (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_max_delta_aw | 0.34 | Koop2000.Δa_w_max | Maximum valid water activity difference $\Delta a_w$ for the Koop et al. (2000) homogeneous nucleation parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Koop2000_min_delta_aw | 0.26 | Koop2000.Δa_w_min | Minimum valid water activity difference $\Delta a_w$ for the Koop et al. (2000) homogeneous nucleation parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
LD2004_E_0_coeff | 1.08e10 | LD2004.E_0 | Coefficient $E_0$ in the Liu and Daum (2004) autoconversion parameterization ($m^3 kg^{-2} s^{-1}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
LD2004_R_6C_coeff | 7.5 | LD2004.R_6C_0 | Coefficient in the Liu and Daum (2004) autoconversion parameterization ($\mu m^{3/2} kg^{1/6} m^{-1/2}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
Linear_J_hom_coeff1 | -68.5532830403637 | Koop2000.linear_c₁ | Intercept coefficient for a linear fit to the Koop et al. (2000) $J_{hom}$ parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
Linear_J_hom_coeff2 | 255.9271249999972 | Koop2000.linear_c₂ | Slope coefficient for a linear fit to the Koop et al. (2000) $J_{hom}$ parameterization (unitless). Source: Koop et al. (2000), DOI: 10.1038/35020537. |
liquid_cloud_effective_radius | 1.4e-5 | CloudLiquid.r_eff | Assumed constant effective radius for liquid cloud droplets (m). |
M1996_area_coeff_gamma | 0.2285 | AreaPowerLaw.γ | Coefficient $\gamma$ in the power law for the projected area of various ice habits in the P3 scheme ($m^{2-\sigma}$). Source: Mitchell (1996); Morrison and Milbrandt (2015). |
M1996_area_exponent_sigma | 1.88 | AreaPowerLaw.σ | Exponent $\sigma$ in the power law for the projected area of various ice habits in the P3 scheme (unitless). Source: Mitchell (1996); Morrison and Milbrandt (2015). |
mam3_nucleation_a_1_neutral | 0.0400097 | OrganicNucleationParameters.a_1 | Empirical coefficient $a_{1,n}$ for neutral pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_2_neutral | 1.84826 | OrganicNucleationParameters.a_2 | Empirical coefficient $a_{2,n}$ for neutral pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_3_ion_induced | 0.00136641 | OrganicNucleationParameters.a_3 | Empirical coefficient $a_{3,i}$ for ion-induced pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³, $[n^-]$ in cm⁻³, and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_4_ion_induced | 1.56588 | OrganicNucleationParameters.a_4 | Empirical coefficient $a_{4,i}$ for ion-induced pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³, $[n^-]$ in cm⁻³, and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_5 | 0.186303 | OrganicNucleationParameters.a_5 | Empirical coefficient $a_5$ for pure organic nucleation (unitless). Assumes [HOM] is in 10⁷ cm⁻³ and other concentrations have units (TODO). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_a_i_ion_induced | 0.0048314 | H2S04NucleationParameters.a_i | Empirical coefficient $a_i$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_a_n_neutral | 1.5703478e-6 | H2S04NucleationParameters.a_n | Empirical coefficient $a_n$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_exp_MTO3_organic_factor | -640 | OrganicNucleationParameters.exp_MTO3 | Exponent for temperature-dependent rate of MT oxidation by O₃ for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_exp_MTOH_organic_factor | 440 | OrganicNucleationParameters.exp_MTOH, MixedNucleationParameters.exp_MTOH | Exponent for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_k_H2SO4_mixed_organic_sulfuric_acid_factor | 3.27e-21 | MixedNucleationParameters.k_H2SO4org | Temperature-dependent factor for mixed organic-sulfuric acid nucleation. Assumes [H₂SO₄] is in 10⁶ cm⁻³ and [BioOxOrg] is in cm⁻³. Source: Riccobono et al. (2014), DOI: 10.1126/science.1243527. |
mam3_nucleation_k_MTO3_organic_factor | 8.05e-16 | OrganicNucleationParameters.k_MTO3 | Factor for temperature-dependent rate of MT oxidation by O₃ for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_k_MTOH_organic_factor | 1.2e-11 | OrganicNucleationParameters.k_MTOH, MixedNucleationParameters.k_MTOH | Factor for temperature-dependent rate of MT oxidation by OH for pure organic nucleation. Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_p_A_i_ion_induced | 3.071246 | H2S04NucleationParameters.p_A_i | Empirical coefficient $p_{A,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_A_n_neutral | 8.003471 | H2S04NucleationParameters.p_A_n | Empirical coefficient $p_{A,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_b_i_ion_induced | 3.373738 | H2S04NucleationParameters.p_b_i | Empirical coefficient $p_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_b_n_neutral | 3.95451 | H2S04NucleationParameters.p_b_n | Empirical coefficient $p_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_t_i_ion_induced | 3.138719 | H2S04NucleationParameters.p_t_i | Empirical coefficient $p_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_p_t_n_neutral | 2.891024 | H2S04NucleationParameters.p_t_n | Empirical coefficient $p_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_b_i_ion_induced | -11.48166 | H2S04NucleationParameters.u_b_i | Empirical coefficient $u_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_b_n_neutral | 9.702973 | H2S04NucleationParameters.u_b_n | Empirical coefficient $u_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_t_i_ion_induced | -23.8002 | H2S04NucleationParameters.u_t_i | Empirical coefficient $u_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_u_t_n_neutral | 182.4495 | H2S04NucleationParameters.u_t_n | Empirical coefficient $u_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_b_i_ion_induced | 25.49469 | H2S04NucleationParameters.v_b_i | Empirical coefficient $v_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_b_n_neutral | 12.62259 | H2S04NucleationParameters.v_b_n | Empirical coefficient $v_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_t_i_ion_induced | 37.03029 | H2S04NucleationParameters.v_t_i | Empirical coefficient $v_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_v_t_n_neutral | 1.203451 | H2S04NucleationParameters.v_t_n | Empirical coefficient $v_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_b_i_ion_induced | 0.1810722 | H2S04NucleationParameters.w_b_i | Empirical coefficient $w_{b,i}$ for ion-induced pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³ and negative ion concentration $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_b_n_neutral | -0.007066146 | H2S04NucleationParameters.w_b_n | Empirical coefficient $w_{b,n}$ for neutral pure binary (H₂SO₄-H₂O) nucleation (unitless). Assumes [H₂SO₄] is in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_t_i_ion_induced | 0.227413 | H2S04NucleationParameters.w_t_i | Empirical coefficient $w_{t,i}$ for ion-induced pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄], [NH₃] are in 10⁶ cm⁻³ and $[n^-]$ is in cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_w_t_n_neutral | -4.188065 | H2S04NucleationParameters.w_t_n | Empirical coefficient $w_{t,n}$ for neutral pure ternary (H₂SO₄-NH₃-H₂O) nucleation (unitless). Assumes [H₂SO₄] and [NH₃] are in 10⁶ cm⁻³. Source: Dunne et al. (2016), DOI: 10.1126/science.aaf2649. |
mam3_nucleation_Y_MTO3_percent | 0.029 | OrganicNucleationParameters.Y_MTO3 | Molar yield of highly oxygenated molecules (HOM) from monoterpene (MT) oxidation by O₃ for pure organic nucleation (%). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
mam3_nucleation_Y_MTOH_percent | 0.012 | OrganicNucleationParameters.Y_MTOH | Molar yield of highly oxygenated molecules (HOM) from monoterpene (MT) oxidation by OH for pure organic nucleation (%). Source: Kirkby et al. (2016), DOI: 10.1038/nature17953. |
Mohler2006_a_cold_ArizonaTestDust | 9.2 | ArizonaTestDust.a_cold | Coefficient $a$ for temperatures < $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_cold_DesertDust | 2.35 | DesertDust.a_cold | Coefficient $a$ for temperatures < $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_warm_ArizonaTestDust | 4.7 | ArizonaTestDust.a_warm | Coefficient $a$ for temperatures > $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_a_warm_DesertDust | 0.43 | DesertDust.a_warm | Coefficient $a$ for temperatures > $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_maximum_allowed_Si | 1.35 | Mohler2006.Sᵢ_max | Maximum allowed supersaturation over ice, $S_{i,max}$ (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_cold_ArizonaTestDust | 1.07 | ArizonaTestDust.S₀_cold | Onset saturation ratio $S_0$ for temperatures < $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_cold_DesertDust | 1.03 | DesertDust.S₀_cold | Onset saturation ratio $S_0$ for temperatures < $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_warm_ArizonaTestDust | 1.03 | ArizonaTestDust.S₀_warm | Onset saturation ratio $S_0$ for temperatures > $T_{thr}$ for Arizona Test Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_S0_warm_DesertDust | 1.17 | DesertDust.S₀_warm | Onset saturation ratio $S_0$ for temperatures > $T_{thr}$ for Desert Dust (unitless). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
Mohler2006_threshold_T | 220 | Mohler2006.T_thr | Threshold temperature, $T_{thr}$, separating two deposition regimes (K). Source: Möhler et al. (2006), DOI: 10.5194/acp-6-3007-2006. |
molar_mass_water | 0.01801528 | AerosolActivationParameters.M_w | Molar mass of water (kg mol⁻¹). |
P3_constant_slope_parameterization_value | 3.0 | SlopeConstant.μ | Value of $\mu$ for the constant slope parameterization in the P3 scheme (unitless). |
P3_ice_largest_mean_particle_mass | 0.0001 | ParametersP3.m_max | Largest mean ice particle mass of the P3 size distribution (kg), the mass of a solid-ice sphere of about 5.9 mm. The P3 state bounds the ice number from below so that the mean particle mass does not exceed it. Experimental (may change at any time). |
P3_ice_nucleation_diameter | 2.0e-6 | ParametersP3.D_nuc | Diameter of a newly nucleated ice particle in the P3 scheme (m). Sets the mass added to ice by deposition nucleation and the reference particle size for the ice number-adjustment bounds. Experimental (may change at any time). |
P3_mu_smoothing_sharpness | 2.68 | SmoothSlopePowerLaw.κ | Corner sharpness $\kappa$ of the smooth $0 \le \mu \le \mu_{max}$ limiters in the P3 SmoothSlopePowerLaw slope parameterization (unitless). Larger $\kappa$ approaches the clamped SlopePowerLaw; the default is set below the critical sharpness at which $\log(L/N)$ loses strict monotonicity in $\lambda$, with a safety margin, in both Float32 and Float64. The binding corner is the lower ($\mu = 0$) kink of unrimed ice. Experimental (may change at any time). |
P3_wet_growth_timescale | 100 | ParametersP3.τ_wet | Timescale for densification due to wet growth in the P3 scheme (s). |
p_over_sulphuric_acid_solution_c1 | 23.306 | H2SO4SolutionParameters.c1 | Coefficient $c_1$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c2 | 5.3465 | H2SO4SolutionParameters.c2 | Coefficient $c_2$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c3 | 12 | H2SO4SolutionParameters.c3 | Coefficient $c_3$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c4 | 8.19 | H2SO4SolutionParameters.c4 | Coefficient $c_4$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c5 | -5814 | H2SO4SolutionParameters.c5 | Coefficient $c_5$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c6 | 928.9 | H2SO4SolutionParameters.c6 | Coefficient $c_6$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_c7 | 1876.7 | H2SO4SolutionParameters.c7 | Coefficient $c_7$ for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_T_max | 235 | H2SO4SolutionParameters.T_max | Maximum valid temperature for the H₂SO₄ solution vapor pressure parameterization (K). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_T_min | 185 | H2SO4SolutionParameters.T_min | Minimum valid temperature for the H₂SO₄ solution vapor pressure parameterization (K). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
p_over_sulphuric_acid_solution_w_2 | 1.4408 | H2SO4SolutionParameters.w_2 | Coefficient for the H₂SO₄ solution vapor pressure parameterization (unitless). Source: Luo et al. (1995), DOI: 10.1029/94GL02988. |
precipitation_timescale | 1000 | Parameters0M.τ_precip | Precipitation formation timescale for the 0-moment microphysics scheme (s). |
prescribed_cloud_droplet_number_concentration | 1.0e8 | VarTimescaleAcnv.Nc, KK2000Autoconversion.Nc | Prescribed number concentration of cloud droplets (m⁻³). |
rain_autoconversion_timescale | 1000.0 | VarTimescaleAcnv.τ, KesslerAcnv.τ_fast | Rain formation timescale for the 1-moment microphysics scheme (s). Also used as the timescale for strong vertical velocities (convective regime) in the vertical velocity dependent Kessler rain formation. |
rain_autoconversion_timescale_stratiform_scale | 1.0 | KesslerAcnv.τ_stratiform_scale | Multiplicative scale factor applied to rainautoconversiontimescale to get the stratiform-regime (weak vertical velocities) timescale in the vertical-velocity-dependent Kessler rain formation (unitless). Default 1.0 (stratiform timescale equals the convective one, giving the classic velocity-independent Kessler scheme). |
rain_autoconversion_velocity_scale | 1.5 | KesslerAcnv.w_0 | Blending velocity scale when using vertical velocity dependent rain formation (m s⁻¹). |
rain_cross_section_size_relation_coefficient_ae | 2 | ParticleArea(Rain).ae, Blk1MVelTypeRain.ae | Exponent $a_e$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_chia | 1 | ParticleArea(Rain).χa | Coefficient $\chi_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_dela | 0 | ParticleArea(Rain).Δa, Blk1MVelTypeRain.Δa | Coefficient $\delta_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_drop_drag_coefficient | 0.55 | Blk1MVelTypeRain.C_drag | Rain drop drag coefficient for the 1-moment microphysics scheme (unitless). |
rain_drop_length_scale | 0.001 | ParticleMass(Rain).r0, ParticleArea(Rain).r0 | Rain drop length scale for the 1-moment microphysics scheme (m). |
rain_drop_size_distribution_coefficient_n0 | 1.6e7 | Rain.n0 | Rain drop size distribution coefficient $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
rain_mass_size_relation_coefficient_chim | 1 | ParticleMass(Rain).χm | Coefficient $\chi_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_delm | 0 | ParticleMass(Rain).Δm, Blk1MVelTypeRain.Δm | Coefficient $\delta_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_me | 3 | ParticleMass(Rain).me, Blk1MVelTypeRain.me | Exponent $m_e$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_snow_collision_efficiency | 1 | RainSnowAccretion.e | Collision efficiency between rain and snow for the 1-moment scheme (unitless). |
rain_snow_velocity_dispersion_coefficient | 0.2 | RainSnowAccretion.coeff_disp | Velocity dispersion coefficient for rain and snow in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_chiv | 1 | Blk1MVelTypeRain.χv | Coefficient $\chi_v$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_delv | 0 | Blk1MVelTypeRain.Δv | Coefficient $\delta_v$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_ve | 0.5 | Blk1MVelTypeRain.ve | Exponent $v_e$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_ventilation_coefficient_a | 1.5 | Rain.a | Rain ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
rain_ventilation_coefficient_b | 0.53 | Rain.b | Rain ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
Reisner_et_al_A_parameter | 0.66 | Heterogeneous.A | Parameter $A$ for Bigg heterogeneous freezing of cloud droplets (K⁻¹). Source: Reisner et al. (1998), Eq. (A22), DOI: 10.1002/qj.49712454804. |
Reisner_et_al_B_parameter | 100 | Heterogeneous.B | Parameter $B$ for Bigg heterogeneous freezing of cloud droplets (m⁻³ s⁻¹). Source: Reisner et al. (1998), Eq. (A22), DOI: 10.1002/qj.49712454804. |
SB2006_accretion_correcting_function_coeff_c | 4 | AccrSB2006.c | Coefficient $c$ in the universal function correcting the accretion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_accretion_correcting_function_coeff_tau0 | 5.0e-5 | AccrSB2006.τ0 | Coefficient $\tau_0$ in the universal function correcting the accretion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_a | 0.7 | AcnvSB2006.a | Coefficient $a$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_A | 400.0 | AcnvSB2006.A | Coefficient $A$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_autoconversion_correcting_function_coeff_b | 3 | AcnvSB2006.b | Coefficient $b$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_cloud_droplets_min_mass | 4.2e-15 | CloudParticlePDF_SB2006.xc_min | Minimum mass of cloud droplets in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_cloud_gamma_distribution_coeff_mu | 1 | CloudParticlePDF_SB2006.μc | Gamma distribution coefficient $\mu$ for clouds (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_cloud_gamma_distribution_coeff_nu | 1.0 | CloudParticlePDF_SB2006.νc | Gamma distribution coefficient $\nu$ for clouds (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_collection_kernel_coeff_kapparr | 60.7 | SelfColSB2006.κrr | Collection kernel constant $\kappa_{rr}$ in the Seifert and Beheng (2006) scheme ($kg^{-1/3}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_collection_kernel_coeff_kcc | 4.44e9 | AcnvSB2006.kcc | Cloud-cloud collection kernel constant $k_{cc}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-2} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_collection_kernel_coeff_kcr | 5.25 | AccrSB2006.kcr | Cloud-rain collection kernel constant $k_{cr}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-1} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_collection_kernel_coeff_krr | 7.12 | SelfColSB2006.krr | Rain-rain collection kernel constant $k_{rr}$ in the Seifert and Beheng (2006) scheme ($m^3 kg^{-1} s^{-1}$). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_mu | 0.33333333333333 | RainParticlePDF_SB2006_limited.μr, RainParticlePDF_SB2006_notlimited.μr | Gamma distribution coefficient $\mu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_nu | -0.66666666666667 | RainParticlePDF_SB2006_limited.νr, RainParticlePDF_SB2006_notlimited.νr | Gamma distribution coefficient $\nu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_evaporation_coeff_alpha | 159 | EvaporationSB2006.α | Coefficient $\alpha$ in the fallspeed relation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_evaporation_coeff_beta | 0.266 | EvaporationSB2006.β | Coefficient $\beta$ in the fallspeed relation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_coeff_kappabr | 2300 | BreakupSB2006.κbr | Coefficient $\kappa_{br}$ in the raindrops breakup rate equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_coeff_kbr | 1000 | BreakupSB2006.kbr | Coefficient $k_{br}$ in the raindrops breakup rate equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_breakup_mean_diameter_threshold | 0.00035 | BreakupSB2006.Dr_th | Threshold of raindrops mean diameter for breakup (m). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_equilibrium_mean_diameter | 0.0009 | BreakupSB2006.Deq | Equilibrium mean diameter of raindrops for computing the breakup rate (m). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_max_mass | 5.0e-6 | RainParticlePDF_SB2006_limited.xr_max, RainParticlePDF_SB2006_notlimited.xr_max | Maximum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_min_mass | 2.6e-10 | RainParticlePDF_SB2006_limited.xr_min, RainParticlePDF_SB2006_notlimited.xr_min, CloudParticlePDF_SB2006.xc_max, AcnvSB2006.x_star | Minimum mass of raindrops in the Seifert and Beheng (2006) scheme (kg). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_self-collection_coeff_d | -5 | SelfColSB2006.d | Coefficient $d$ in the raindrops self-collection rate equation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_lambda_max | 10000.0 | RainParticlePDF_SB2006_limited.λ_max | Maximum value of the raindrops size distribution parameter $\lambda$ (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_lambda_min | 1000.0 | RainParticlePDF_SB2006_limited.λ_min | Minimum value of the raindrops size distribution parameter $\lambda$ (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_N0_max | 2.0e7 | RainParticlePDF_SB2006_limited.N0_max | Maximum value of the raindrops size distribution parameter $N_0$ (m⁻⁴). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_N0_min | 250000.0 | RainParticlePDF_SB2006_limited.N0_min | Minimum value of the raindrops size distribution parameter $N_0$ (m⁻⁴). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_aR | 9.65 | SB2006VelType.aR | Coefficient $a_R$ in the raindrops terminal velocity equation (m s⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_bR | 10.3 | SB2006VelType.bR | Coefficient $b_R$ in the raindrops terminal velocity equation (m s⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_terminal_velocity_coeff_cR | 600 | SB2006VelType.cR | Coefficient $c_R$ in the raindrops terminal velocity equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_reference_air_density | 1.225 | RainParticlePDF_SB2006_limited.ρ0, RainParticlePDF_SB2006_notlimited.ρ0, AcnvSB2006.ρ0, AccrSB2006.ρ0, EvaporationSB2006.ρ0, SB2006VelType.ρ0 | Reference air density at surface conditions (kg m⁻³). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_ventilation_factor_coeff_av | 0.78 | EvaporationSB2006.av, VentilationFactor.aᵥ | Coefficient $a_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_ventilation_factor_coeff_bv | 0.308 | EvaporationSB2006.bv, VentilationFactor.bᵥ | Coefficient $b_v$ in the ventilation factor equation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
seasalt_aerosol_density | 2170 | Seasalt.ρ | Density of sea salt aerosol (kg m⁻³). |
seasalt_aerosol_ion_number | 2 | Seasalt.ν | Number of ions that sea salt dissociates into when dissolved in water (unitless). |
seasalt_aerosol_kappa | 1.12 | Seasalt.κ | Hygroscopicity parameter $\kappa$ for sea salt aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
seasalt_aerosol_molar_mass | 0.058443 | Seasalt.M | Molar mass of sea salt aerosol (kg mol⁻¹). |
seasalt_aerosol_osmotic_coefficient | 0.9 | Seasalt.ϕ | Osmotic coefficient of sea salt aerosol (unitless). |
seasalt_aerosol_water_soluble_mass_fraction | 1 | Seasalt.ϵ | Mass fraction of water-soluble material for sea salt aerosol (unitless). |
snow_apparent_density | 100 | Snow.ρᵢ | The apparent density of snow particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
snow_aspect_ratio | 0.15 | Snow.ϕ | Assumed aspect ratio for snow in the 1-moment microphysics scheme (unitless). |
snow_aspect_ratio_coefficient | 0.3333333333333333 | Snow.κ | Power law coefficient for terminal velocity dependence on snow aspect ratio (unitless). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
snow_autoconversion_timescale | 100 | NoSupersaturation.τ | Snow autoconversion timescale for the 1-moment microphysics scheme (s). |
snow_cross_section_size_relation_coefficient | 2 | ParticleArea(Snow).ae, Blk1MVelTypeSnow.ae | Exponent in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_chia | 1 | ParticleArea(Snow).χa | Coefficient $\chi_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_dela | 0 | ParticleArea(Snow).Δa, Blk1MVelTypeSnow.Δa | Coefficient $\delta_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_flake_length_scale | 0.001 | ParticleMass(Snow).r0, ParticleArea(Snow).r0, Blk1MVelTypeRain.r0, Blk1MVelTypeSnow.r0 | Snow particle length scale for the 1-moment microphysics scheme (m). |
snow_flake_size_distribution_coefficient_mu | 4.36e9 | Snow.μ | Snow size distribution coefficient $\mu$ for the 1-moment microphysics scheme (m⁻⁴). |
snow_flake_size_distribution_coefficient_nu | 0.63 | Snow.ν | Snow size distribution coefficient $\nu$ for the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_chim | 1 | ParticleMass(Snow).χm | Coefficient $\chi_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_delm | 0 | ParticleMass(Snow).Δm, Blk1MVelTypeSnow.Δm | Coefficient $\delta_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_me | 2 | ParticleMass(Snow).me, Blk1MVelTypeSnow.me | Exponent $m_e$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient | 0.25 | Blk1MVelTypeSnow.ve | Exponent in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient_chiv | 1 | Blk1MVelTypeSnow.χv | Coefficient $\chi_v$ in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient_delv | 0 | Blk1MVelTypeSnow.Δv | Coefficient $\delta_v$ in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_ventilation_coefficient_a | 0.65 | Snow.a | Snow ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
snow_ventilation_coefficient_b | 0.44 | Snow.b | Snow ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
specific_humidity_precipitation_threshold | 5.0e-6 | Parameters0M.qc_0 | Precipitation formation threshold in terms of specific humidity for the 0-moment microphysics scheme (unitless). |
sublimation_deposition_timescale | 10.0 | TemperatureDependent.τ_relax, ConstantTimescale.τ_relax, SubDep2M.τ_relax | Deposition/sublimation timescale for non-equilibrium microphysics (s). |
sulfate_aerosol_density | 1770 | Sulfate.ρ | Density of sulfate aerosol (kg m⁻³). |
sulfate_aerosol_ion_number | 3 | Sulfate.ν | Number of ions that sulfate dissociates into when dissolved in water (unitless). |
sulfate_aerosol_kappa | 0.53 | Sulfate.κ | Hygroscopicity parameter $\kappa$ for sulfate aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
sulfate_aerosol_molar_mass | 0.132 | Sulfate.M | Molar mass of sulfate aerosol (kg mol⁻¹). |
sulfate_aerosol_osmotic_coefficient | 1 | Sulfate.ϕ | Osmotic coefficient of sulfate aerosol (unitless). |
sulfate_aerosol_water_soluble_mass_fraction | 1 | Sulfate.ϵ | Mass fraction of water-soluble material for sulfate aerosol (unitless). |
supersaturation_precipitation_threshold | 0.02 | Parameters0M.S_0 | Precipitation formation threshold in terms of supersaturation for the 0-moment microphysics scheme (unitless). |
surface_tension_water | 0.072 | AerosolActivationParameters.σ | Surface tension of water (N m⁻¹). |
TC1980_accretion_coeff_A | 4.7 | AccrTC1980.A | Coefficient $A$ in the Tripoli and Cotton (1980) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_a | 2.3333333333333335 | AcnvTC1980.a | Coefficient $a$ (default 7/3) in the Tripoli and Cotton (1980) rain autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_b | -0.3333333333333333 | AcnvTC1980.b | Coefficient $b$ (default -1/3) in the Tripoli and Cotton (1980) rain autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_D | 3268.0 | AcnvTC1980.D | Coefficient $D$ in the Tripoli and Cotton (1980) rain autoconversion parameterization ($m^{3b} s^{-1}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_me_liq | 3.0 | AcnvTC1980.me_liq | Mass-size relation exponent $m_e$ in the Tripoli and Cotton (1980) scheme (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_autoconversion_coeff_r_0 | 7.0e-6 | AcnvTC1980.r_0 | Threshold size $r_0$ in the Tripoli and Cotton (1980) rain autoconversion parameterization (m). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
temperature_homogenous_nucleation | 233 | CloudLiquidFormation.T_hom, Homogeneous.T_hom, MorrisonMilbrandt2014.T_dep_thres | Temperature for homogeneous ice nucleation (K). |
temperature_water_freeze | 273.15 | IceNumberTemperatureFit.T_freeze, ParametersP3.T_freeze, MorrisonMilbrandt2014.T₀, Frostenberg2023.T_freeze | Freezing temperature of water (K). |
thermal_conductivity_of_air | 0.024 | AirProperties.K_therm | Thermal conductivity of air (J m⁻¹ s⁻¹ K⁻¹). |
Thompson2004_c1_Cooper | 0.005 | MorrisonMilbrandt2014.c₁ | Coefficient $c_1$ for calculating P3 deposition nucleation (unitless). Source: Thompson et al. (2004), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. |
Thompson2004_c2_Cooper | 0.304 | MorrisonMilbrandt2014.c₂ | Coefficient $c_2$ for calculating P3 deposition nucleation (unitless). Source: Thompson et al. (2004), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. |
threshold_smooth_transition_steepness | 10.0 | KesslerAcnv.k, NoSupersaturation.k, AcnvB1994.k, AcnvTC1980.k, LD2004.k | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
universal_gas_constant | 8.3144598 | AerosolActivationParameters.R | Universal gas constant ($R$) (J mol⁻¹ K⁻¹). |
Variable_time_scale_autoconversion_coeff_alpha | 1.0 | VarTimescaleAcnv.α | Exponent of number density in the function describing the autoconversion timescale (unitless). |