There are 721 parameters in 15 groups.
| Name | Value | Type | Description |
|---|
gas_constant_dry_air | 287.0 | float | Gas constant for dry air (J kg⁻¹ K⁻¹). |
isobaric_specific_heat_dry_air | 1004.5 | float | Isobaric specific heat of dry air (J kg⁻¹ K⁻¹). |
molar_mass_dry_air | 0.02897 | float | Molar mass of dry air (kg mol⁻¹). |
adiabatic_exponent_dry_air | 0.28571428571 | float | Adiabatic exponent for dry air ($\kappa_d$), derived from $R_d/c_{pd}$ or 2/7 (unitless). |
density_liquid_water | 1000 | float | Density of liquid water (kg m⁻³). |
density_ice_water | 916.7 | float | Density of water ice (kg m⁻³). |
gas_constant_vapor | 461.5 | float | Gas constant for water vapor (J kg⁻¹ K⁻¹). |
molar_mass_water | 0.01801528 | float | Molar mass of water (kg mol⁻¹). |
isobaric_specific_heat_vapor | 1859 | float | Isobaric specific heat of water vapor (J kg⁻¹ K⁻¹). |
isobaric_specific_heat_liquid | 4181 | float | Isobaric specific heat of liquid water (J kg⁻¹ K⁻¹). |
isobaric_specific_heat_ice | 2070.0 | float | Isobaric specific heat of ice (J kg⁻¹ K⁻¹). |
temperature_water_freeze | 273.15 | float | Freezing temperature of water (K). |
temperature_minimum | 150 | float | Minimum temperature for thermodynamic calculations (K). |
specific_humidity_minimum | 1.0e-10 | float | Minimum specific humidity threshold (kg kg⁻¹). Used as a lower bound when comparing or regularizing humidity values. |
specific_humidity_maximum | 0.1 | float | Maximum specific humidity for thermodynamic calculations (kg kg⁻¹). |
temperature_saturation_adjustment_init_min | 150 | float | Minimum temperature for saturation adjustment initialization (K). |
temperature_saturation_adjustment_min | 1 | float | Minimum temperature difference for unsaturated case in saturation adjustment (K). |
temperature_saturation_adjustment_max | 1000 | float | Maximum temperature for saturation adjustment (K). |
temperature_homogenous_nucleation | 233 | float | Temperature for homogeneous ice nucleation (K). |
pow_icenuc | 1 | float | Exponent in the ice nucleation parameterization (unitless). |
temperature_triple_point | 273.16 | float | Triple point temperature of water (K). |
thermodynamics_temperature_reference | 273.16 | float | Reference temperature for thermodynamics (K). |
latent_heat_vaporization_at_reference | 2500800 | float | Latent heat of vaporization at the reference temperature (J kg⁻¹). |
latent_heat_sublimation_at_reference | 2834400 | float | Latent heat of sublimation at the reference temperature (J kg⁻¹). |
pressure_triple_point | 611.657 | float | Triple point pressure of water (Pa). |
surface_tension_water | 0.072 | float | Surface tension of water (N m⁻¹). |
entropy_dry_air | 6864.8 | float | Specific entropy of dry air at the reference temperature and pressure (J kg⁻¹ K⁻¹). |
entropy_water_vapor | 10513.6 | float | Specific entropy of water vapor at the reference temperature and pressure (J kg⁻¹ K⁻¹). |
entropy_reference_temperature | 298.15 | float | Reference temperature for entropy calculations (K). |
potential_temperature_reference_pressure | 100000.0 | float | Reference pressure for potential temperature calculations ($p_0$) (Pa). |
mean_sea_level_pressure | 101325 | float | Mean sea level pressure ($p_{MSL}$) (Pa). |
temperature_surface_reference | 288 | float | Surface temperature in a reference temperature profile (K). |
temperature_min_reference | 215 | float | Minimum temperature in a reference temperature profile (K). |
reference_temperature_exponent | 7 | float | Exponent $s_\text{ref}$ of the Exner function in the hydrostatic reference temperature profile $T_r(p) = T_\text{min} + (T_\text{sfc} - T_\text{min})\,\Pi(p)^{s_\text{ref}}$ (unitless). |
reference_relative_humidity | 0.5 | float | Reference relative humidity used to build a reference total moisture specific humidity profile (unitless). |
reference_moisture_cutoff_pressure | 25000 | float | Pressure cutoff above which the reference-state total-water specific humidity is clipped to zero (Pa). Keeps the reference profile confined to the troposphere, avoiding unphysical stratospheric growth. |
| Name | Value | Type | Description |
|---|
entr_param_vec | [1.0, 1.0, 1.0, …] (12 entries) | float | Data-driven entrainment parameter vector (unitless). |
entr_mult_limiter_coeff | 0.0 | float | Exponent for the multiplicative entrainment limiter of the form $(1 - area)^c$ (unitless). |
turb_entr_param_vec | [0.001, 100000.0, 0.0] | float | Data-driven turbulent entrainment parameter vector (unitless). |
entr_inv_tau | 0 | float | Inverse timescale for entrainment (s⁻¹). |
entr_inv_length | 0 | float | Inverse length scale for entrainment (m⁻¹). |
entr_coeff | 1 | float | Coefficient for the $w/z$ term in the entrainment closure (unitless). |
entr_buoy_coeff | 0 | float | Coefficient for the $b/w^2$ term in the entrainment closure (unitless). |
entr_vertdiv_coeff | 1 | float | Coefficient for the vertical divergence term in the entrainment closure (unitless). |
min_area_limiter_scale | 0.001 | float | Rate coefficient for the minimum area fraction limiter in entrainment (s⁻¹). |
min_area_limiter_power | 1 | float | Exponent for the minimum area fraction limiter in both entrainment and detrainment (unitless). |
entr_detr_limit_inv_tau | 0 | float | Inverse timescale for entrainment and detrainment for negligible area (s⁻¹). |
detr_inv_tau | 0 | float | Inverse timescale for detrainment (s⁻¹). |
detr_coeff | 0.001 | float | Coefficient for the $w$ term in the detrainment closure (unitless). |
detr_buoy_coeff | 0.12 | float | Coefficient for the $b/w^2$ term in the detrainment closure (unitless). Source: Tan et al. (2018), Eq. (27). |
detr_buoy_inv_tau_max | 0.01 | float | Maximum allowed inverse buoyancy timescale (s⁻¹), used to limit detrainment when velocity differences become small and prevent excessively fast detrainment. |
entr_detr_buoy_inv_tau_max | 0.01 | float | Maximum allowed inverse buoyancy timescale (s⁻¹), used to limit entrainment and detrainment when velocity differences become small and prevent excessively fast entrainment and detrainment. |
detr_vertdiv_coeff | 1 | float | Coefficient for the vertical divergence term in the detrainment closure (unitless). |
detr_massflux_vertdiv_coeff | 1 | float | Coefficient for the mass flux vertical divergence term in the detrainment closure (unitless). |
detr_ramp_z_start | 20000.0 | float | Start height of the sigmoid ramp for the detrainment top limiter (m). |
detr_ramp_steepness_factor | 10.0 | float | Factor setting the steepness of the sigmoid ramp for the detrainment top limiter (unitless), where the steepness is the factor divided by $(z_\text{end} - z_\text{start})$. |
max_area_limiter_scale | 0.001 | float | Rate coefficient for the maximum area fraction limiter in detrainment (s⁻¹). |
max_area_limiter_power | 1 | float | Exponent for the maximum area fraction limiter in detrainment (unitless). |
| Name | Value | Type | Description |
|---|
mixing_length_eddy_viscosity_coefficient | 0.14 | float | TKE diffusivity coefficient ($c_m$) for the EDMF mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Table 1. |
mixing_length_diss_coeff | 0.22 | float | TKE dissipation coefficient ($c_d$) for the EDMF mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Table 1. |
mixing_length_static_stab_coeff | 0.4 | float | Static stability coefficient ($c_b$) for the EDMF mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Table 1. |
mixing_length_tke_surf_scale | 3.75 | float | Ratio of TKE to squared friction velocity ($\kappa_*^2$) in the surface layer for the EDMF mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Table 1. |
mixing_length_tke_surf_flux_coeff | 2.5 | float | Coefficient multiplying flux in the $u_*^3$ surface flux formulation of TKE ($C_{flux}$) (unitless). |
mixing_length_Prandtl_number_scale | 4.076923076923077 | float | Cospectral budget factor for turbulent Prandtl number ($\omega_{pr}$) for the EDMF mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Eq. (36). |
mixing_length_Prandtl_number_0 | 0.74 | float | Turbulent Prandtl number in neutral conditions ($Pr_{t,0}$) (unitless). Source: Lopez-Gomez et al. (2020), Table 1. |
mixing_length_Prandtl_maximum | 10 | float | Maximum allowed turbulent Prandtl number (unitless). |
mixing_length_Ri_crit | 0.25 | float | Critical gradient Richardson number ($Ri_{crit}$) (unitless). Source: Li (2019), Section 6.2. |
mixing_length_smin_ub | 0.1 | float | Lower limit for the smooth minimum function in the mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Eq. (40). |
mixing_length_smin_rm | 1.5 | float | Upper ratio limit for the smooth minimum function in the mixing length closure (unitless). Source: Lopez-Gomez et al. (2020), Eq. (40). |
mixing_length_l_max | 1.0e6 | float | Upper limit for the length scale in the mixing length closure (m). Source: Lopez-Gomez et al. (2020). |
mixing_length_l_min | 10 | float | Lower limit for the mixing length (m). |
mixing_length_tke_coeff | 1.05 | float | Prefactor on the local Lopez-Gomez balance timescale in the empirical l_TKE; the effective eddy turnover timescale is τ_ε = c_tke · √(c_d / a_pd). Order 1 (unitless). |
mixing_length_tke_l_inf | 200.0 | float | Base BL mixing length (m) in the empirical l_TKE = l_inf · √x · (1 + x) · exp(−x), x = tke / (l_inf / τ_ε)². The peak mixing length is (2 / e) · l_inf ≈ 0.74 · l_inf. |
mixing_length_tke_tau_max | 600.0 | float | Upper cap on the eddy turnover timescale τ_ε = c_tke · √(c_d / a_pd) (s) in the empirical l_TKE, representing the residual eddy turnover time from background processes. The cap is inert wherever local shear/buoyancy production is strong. |
mixing_length_alpha | 1.05 | float | Non-equilibrium correction factor α_kε on the balance-derived l_TKE in the mixing-length closure, accounting for the ε/ω-lag (dε/dt = 0 rather than dTKE/dt = 0) — unitless. Order 1; larger values increase the mixing length under local shear/buoyancy balance. Deprecated, will be removed in v2.0. |
mixing_length_l_0 | 100.0 | float | Base BL mixing length (m) in the empirical l_TKE ceiling l_empirical_CC = l_0 · (1 + x) · exp(−x), with x = tke / tke_max. The ceiling equals l_0 at tke = 0 and decays exponentially for tke ≫ tke_max. Deprecated, will be removed in v2.0. |
mixing_length_tke_max | 5.0 | float | Characteristic TKE magnitude (m²/s²) in the empirical l_TKE ceiling l_0 · (1 + x) · exp(−x); larger values relax the cap. Deprecated, will be removed in v2.0. |
mixing_length_min | 1.0 | float | Minimum mixing length (m) applied to the master l_final in the SGS closure to prevent division-by-zero in the dissipation rate ε = c_d · tke^{3/2} / l_mix. Deprecated, will be removed in v2.0. |
mixing_length_param_vec | [0.0, 0.0, 0.0, …] (5 entries) | float | Data-driven mixing length parameter vector (unitless). |
| Name | Value | Type | Description |
|---|
EDMF_thermodynamics_moisture_model | equilibrium | string | Moisture model for EDMF thermodynamics. Options: 'equilibrium' (default), 'nonequilibrium'. |
EDMF_thermodynamics_covariance_model | diagnostic | string | Covariance model for EDMF thermodynamics. Options: 'diagnostic' (default), 'prognostic'. |
diagnostic_covariance_coeff | 2.1 | float | Prefactor in the turbulent production term of the EDMF covariance equation (unitless). |
EDMF_thermodynamics_diagnostic_covar_limiter | 0.001 | float | Regularization epsilon for the denominator in diagnostic covariance calculations (unitless). |
Tq_correlation_coefficient | 0.6 | float | Default correlation coefficient between T' and q_tot' perturbations, used in SGS quadratures (unitless). Valid range: [-1, 1]. |
EDMF_thermodynamics_sgs | mean | string | Environmental sub-grid scale model for EDMF. Options: 'mean' (default), 'quadrature'. |
EDMF_thermodynamics_quadrature_order | 3 | integer | Number of 1D quadrature points for SGS sampling in EDMF (unitless). |
EDMF_thermodynamics_quadrature_type | log-normal | string | Assumed PDF shape for environmental variables ($q_{tot}, \theta_{liq_ice}$) with SGS quadrature. Options: 'log-normal' (default), 'gaussian'. |
sgs_variance_geometric_coeff | 0.08333333333333333 | float | Coefficient $c_g$ of the horizontal resolved-gradient (geometric) SGS variance term in ClimaAtmos (unitless). $1/12$ is the variance of a linear field over a uniform cell. |
sgs_variance_horizontal_scale_factor | 1.0 | float | Multiplier $c_{\Delta x}$ on the horizontal grid scale $\Delta x_h$ in the geometric SGS variance term (unitless). |
sgs_variance_vertical_scale_factor | 1.0 | float | Multiplier $c_{\Delta z}$ on the vertical grid scale $\Delta z$ in the geometric SGS variance term (unitless). |
sgs_variance_max_rel_std | 0.5 | float | Upper bound on the SGS total-water standard deviation relative to the grid-mean total water, applied to the diagnosed $q'q'$ whatever closure produced it (unitless). 0.5 keeps every quadrature node at non-negative total water. |
sgs_variance_geometric_Ri_factor | 1.0 | float | Factor $k$ in $\mathrm{Ri}_0 = k \mathrm{Ri}_{crit}$, the scale of the Richardson-number weight on the geometric SGS variance term (unitless). |
sgs_liquid_uniform_fraction | 1.0 | float | Fraction of cloud liquid that is uniform over the SGS quadrature nodes (unitless). Valid range: [0, 1]. |
sgs_ice_uniform_fraction | 1.0 | float | Fraction of cloud ice that is uniform over the SGS quadrature nodes (unitless). Valid range: [0, 1]. |
| Name | Value | Type | Description |
|---|
microph_scaling_acnv | 1.0 | float | Scaling factor for the 1-moment autoconversion rate (unitless). |
microph_scaling_accr | 1.0 | float | Scaling factor for the 1-moment accretion rate (unitless). |
microph_scaling_evap | 1.0 | float | Scaling factor for the 1-moment rain evaporation rate (unitless). |
microph_scaling_dep_sub | 1.0 | float | Scaling factor for the 1-moment snow deposition/sublimation rate (unitless). |
microph_scaling_melt | 1.0 | float | Scaling factor for the 1-moment snow melting rate (unitless). |
rain_drop_drag_coefficient | 0.55 | float | Rain drop drag coefficient for the 1-moment microphysics scheme (unitless). |
ice_snow_threshold_radius | 6.25e-5 | float | Threshold particle radius separating ice and snow for the 1-moment microphysics scheme (m). |
cloud_ice_size_distribution_coefficient_n0 | 2.0e7 | float | Cloud ice size distribution parameter $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
cloud_ice_crystals_length_scale | 1.0e-5 | float | Cloud ice particle length scale for the 1-moment microphysics scheme (m). |
cloud_ice_mass_size_relation_coefficient_me | 3 | float | Exponent $m_e$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_ice_mass_size_relation_coefficient_chim | 1 | float | 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 | float | Coefficient $\delta_m$ in the mass-size relation for cloud ice in the 1-moment microphysics scheme (unitless). |
cloud_liquid_water_specific_humidity_autoconversion_threshold | 0.0005 | float | 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 | float | Multiplicative scale factor applied to cloud_liquid_water_specific_humidity_autoconversion_threshold 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_stratiform | 0.0005 | float | Rain formation threshold in terms of specific humidity for weak vertical velocities (stratiform regime) in the vertical velocity dependent Kessler rain formation (unitless). Equal to cloud_liquid_water_specific_humidity_autoconversion_threshold by default, which gives the classic velocity-independent Kessler scheme. Deprecated, will be removed in v2.0. |
rain_autoconversion_timescale | 1000.0 | float | 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 | float | Multiplicative scale factor applied to rain_autoconversion_timescale 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_stratiform | 1000.0 | float | Rain formation timescale for weak vertical velocities (stratiform regime) in the vertical velocity dependent Kessler rain formation (s). Equal to rain_autoconversion_timescale by default, which gives the classic velocity-independent Kessler scheme. Deprecated, will be removed in v2.0. |
rain_autoconversion_velocity_scale | 1.5 | float | Blending velocity scale when using vertical velocity dependent rain formation (m s⁻¹). |
rain_ventilation_coefficient_a | 1.5 | float | Rain ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
rain_ventilation_coefficient_b | 0.53 | float | Rain ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
rain_drop_size_distribution_coefficient_n0 | 1.6e7 | float | Rain drop size distribution coefficient $n_0$ for the 1-moment microphysics scheme (m⁻⁴). |
rain_drop_length_scale | 0.001 | float | Rain drop length scale for the 1-moment microphysics scheme (m). |
rain_minimum_inverse_lambda | 1.0e-8 | float | Minimum value for the inverse of the shape parameter $\lambda$ of the rain drop size distribution (m). |
rain_mass_size_relation_coefficient_me | 3 | float | Exponent $m_e$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_ae | 2 | float | Exponent $a_e$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_ve | 0.5 | float | Exponent $v_e$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_chim | 1 | float | Coefficient $\chi_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_mass_size_relation_coefficient_delm | 0 | float | Coefficient $\delta_m$ in the mass-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_cross_section_size_relation_coefficient_chia | 1 | float | 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 | float | Coefficient $\delta_a$ in the cross section-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_terminal_velocity_size_relation_coefficient_chiv | 1 | float | 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 | float | Coefficient $\delta_v$ in the terminal velocity-size relation for rain in the 1-moment microphysics scheme (unitless). |
rain_snow_velocity_dispersion_coefficient | 0.2 | float | Velocity dispersion coefficient for rain and snow in the 1-moment microphysics scheme (unitless). |
cloud_liquid_sedimentation_number_concentration | 5.0e8 | float | Number concentration of cloud liquid particles for sedimentation (m⁻³). |
cloud_ice_sedimentation_number_concentration | 100000.0 | float | Number concentration of cloud ice particles for sedimentation (m⁻³). |
cloud_ice_number_temperature_fit_prefactor | 1000.0 | float | 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 | -2.8 | float | 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 | 0.262 | float | 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 | 1.0e7 | float | 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. |
microphysics_max_latent_heating_rate | 0.03333333333333333 | float | Upper bound on the latent heating or cooling rate of the 1-moment microphysics phase changes within a substep, applied by scaling all phase-change transfers (K s⁻¹). inf disables the limiter. |
microphysics_pool_exhaustion_newton_iterations | 2 | integer | Number of Newton iterations used by the 1-moment joint vapor relaxation to locate the time within a substep at which an evaporating or sublimating pool is exhausted (unitless). Fixed count for GPU performance. 2 gives ~0.1 % accuracy of the exhausting transfer in 90 % of stiff cases, 3 gives ~0.5 % at the 99th percentile. |
homogeneous_freezing_timescale | 1 | float | Timescale of the homogeneous freezing of cloud liquid droplets into ice (s). |
Reisner_et_al_A_parameter | 0.66 | float | 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 | float | 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. |
cloud_ice_apparent_density | 500 | float | The apparent density of cloud ice particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
snow_apparent_density | 100 | float | The apparent density of snow particles (kg m⁻³). Source: Lin et al. (2021), DOI: 10.1029/2020JD034157. |
cloud_ice_specific_humidity_autoconversion_threshold | 1.0e-6 | float | Snow autoconversion threshold in terms of specific humidity for the 1-moment microphysics scheme (unitless). |
snow_autoconversion_timescale | 100 | float | Snow autoconversion timescale for the 1-moment microphysics scheme (s). |
snow_ventilation_coefficient_a | 0.65 | float | Snow ventilation coefficient $a$ for the 1-moment microphysics scheme (unitless). |
snow_ventilation_coefficient_b | 0.44 | float | Snow ventilation coefficient $b$ for the 1-moment microphysics scheme (unitless). |
snow_flake_size_distribution_coefficient_mu | 4.36e9 | float | Snow size distribution coefficient $\mu$ for the 1-moment microphysics scheme (m⁻⁴). |
snow_flake_size_distribution_coefficient_nu | 0.63 | float | Snow size distribution coefficient $\nu$ for the 1-moment microphysics scheme (unitless). |
snow_flake_length_scale | 0.001 | float | Snow particle length scale for the 1-moment microphysics scheme (m). |
snow_mass_size_relation_coefficient_me | 2 | float | Exponent $m_e$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient | 2 | float | Exponent in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient | 0.25 | float | Exponent in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_chim | 1 | float | Coefficient $\chi_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_mass_size_relation_coefficient_delm | 0 | float | Coefficient $\delta_m$ in the mass-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_cross_section_size_relation_coefficient_chia | 1 | float | 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 | float | Coefficient $\delta_a$ in the cross section-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_terminal_velocity_size_relation_coefficient_chiv | 1 | float | 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 | float | Coefficient $\delta_v$ in the terminal velocity-size relation for snow in the 1-moment microphysics scheme (unitless). |
snow_aspect_ratio | 0.15 | float | Assumed aspect ratio for snow in the 1-moment microphysics scheme (unitless). |
snow_aspect_ratio_coefficient | 0.3333333333333333 | float | Power law coefficient for terminal velocity dependence on snow aspect ratio (unitless). Source: Chen et al. (2022), DOI: 10.1016/j.atmosres.2022.106171. |
cloud_liquid_rain_collision_efficiency | 0.8 | float | Collision efficiency between cloud liquid water and rain for the 1-moment scheme (unitless). |
cloud_liquid_snow_collision_efficiency | 0.1 | float | Collision efficiency between cloud liquid water and snow for the 1-moment scheme (unitless). |
cloud_ice_rain_collision_efficiency | 1 | float | Collision efficiency between cloud ice and rain for the 1-moment scheme (unitless). |
cloud_ice_snow_collision_efficiency | 0.1 | float | Collision efficiency between cloud ice and snow for the 1-moment scheme (unitless). |
rain_snow_collision_efficiency | 1 | float | Collision efficiency between rain and snow for the 1-moment scheme (unitless). |
| Name | Value | Type | Description |
|---|
TC1980_autoconversion_coeff_D | 3268.0 | float | 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_a | 2.3333333333333335 | float | 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 | float | 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_r_0 | 7.0e-6 | float | 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 | 3.0 | float | Mass-size relation exponent $m_e$ in the Tripoli and Cotton (1980) scheme (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
TC1980_accretion_coeff_A | 4.7 | float | Coefficient $A$ in the Tripoli and Cotton (1980) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_C | 3.0e34 | float | 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 | -1.7 | float | Coefficient $a$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_b | 4.7 | float | Coefficient $b$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_c | -3.3 | float | Coefficient $c$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_low | 3.9 | float | Coefficient $d_{low}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_d_high | 9.9 | float | Coefficient $d_{high}$ in the Beheng (1994) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_autoconversion_coeff_N_0 | 2.0e8 | float | Coefficient $N_0$ in the Beheng (1994) autoconversion parameterization (m⁻³). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
B1994_accretion_coeff_A | 6.0 | float | Coefficient $A$ in the Beheng (1994) accretion parameterization (s⁻¹). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_A | 7.42e13 | float | Coefficient $A$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization ($m^{3(b+c)} s^{-1} kg^{-c}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_autoconversion_coeff_a | 2.47 | float | 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 | float | 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 | float | Coefficient $c$ in the Khairoutdinov and Kogan (2000) autoconversion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_A | 67.0 | float | Coefficient $A$ in the Khairoutdinov and Kogan (2000) accretion parameterization ($m^{3b} kg^{-b} s^{-1}$). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
KK2000_accretion_coeff_a | 1.15 | float | 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 | float | Coefficient $b$ in the Khairoutdinov and Kogan (2000) accretion parameterization (unitless). Source: Wood (2005), DOI: 10.1175/JAS3530.1. |
LD2004_R_6C_coeff | 7.5 | float | 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 | 1.08e10 | float | 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. |
Variable_time_scale_autoconversion_coeff_alpha | 1.0 | float | Exponent of number density in the function describing the autoconversion timescale (unitless). |
threshold_smooth_transition_steepness | 10.0 | float | Steepness parameter for the smooth transition function used in threshold-based processes (unitless). |
| Name | Value | Type | Description |
|---|
SB2006_collection_kernel_coeff_kcc | 4.44e9 | float | 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 | float | 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 | float | 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 | 60.7 | float | 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_cloud_droplets_min_mass | 4.2e-15 | float | 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 | 2.6e-10 | float | 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 | 5.0e-6 | float | 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_cloud_gamma_distribution_coeff_nu | 1.0 | float | 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 | 1 | float | Gamma distribution coefficient $\mu$ for clouds (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_nu | -0.66666666666667 | float | Gamma distribution coefficient $\nu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_rain_distribution_coeff_mu | 0.33333333333333 | float | Gamma distribution coefficient $\mu$ for rain (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_reference_air_density | 1.225 | float | 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 | 400.0 | float | 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 | 0.7 | float | 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 | float | Coefficient $b$ in the universal function correcting the autoconversion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_accretion_correcting_function_coeff_tau0 | 5.0e-5 | float | 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_accretion_correcting_function_coeff_c | 4 | float | Coefficient $c$ in the universal function correcting the accretion rate (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_self-collection_coeff_d | -5 | float | Coefficient $d$ in the raindrops self-collection rate equation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_equilibrium_mean_diameter | 0.0009 | float | 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 | 0.00035 | float | 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 | 1000 | float | 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 | 2300 | float | 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_terminal_velocity_coeff_aR | 9.65 | float | 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 | float | 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 | float | Coefficient $c_R$ in the raindrops terminal velocity equation (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_ventilation_factor_coeff_av | 0.78 | float | 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 | float | 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 | 159 | float | 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 | float | Coefficient $\beta$ in the fallspeed relation for rain evaporation (unitless). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
SB2006_raindrops_size_distribution_coeff_N0_min | 250000.0 | float | 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 | 2.0e7 | float | 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 | 1000.0 | float | 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 | 10000.0 | float | Maximum value of the raindrops size distribution parameter $\lambda$ (m⁻¹). Source: Seifert and Beheng (2006), DOI: 10.1007/s00703-005-0112-4. |
Horn2012_number_concentration_adjustment_timescale | 100 | float | Timescale for 2-moment number concentration adjustment (s). Source: Horn (2012), DOI: 10.5194/gmd-5-345-2012. |
| Name | Value | Type | Description |
|---|
Chen2022_table_B1_q_coeff | 0.115231 | float | 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 | [0.044612, -0.263166, 4.7178] | float | 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 | -0.47335 | float | 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 | [2.2955, 2.2955, 1.1451] | float | 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 | 0.038465 | float | 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 | [0.0, 0.184325, 0.184325] | float | 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_B3_As | [-0.263503, 0.00174079, 0.0378769] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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] | float | 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 | 0.000625 | float | 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. |
| Name | Value | Type | Description |
|---|
J_ABIFM_m_Dust | 22.62 | float | Default empirical coefficient $m$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_c_Dust | -1.35 | float | Default empirical coefficient $c$ for the water-activity-based immersion freezing rate ($J_{het}$) parameterization for dust (unitless). |
J_ABIFM_m_ArizonaTestDust | 22.62 | float | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_c_ArizonaTestDust | -1.35 | float | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Arizona Test Dust (unitless). |
J_ABIFM_m_SaharanDust | 22.62 | float | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Saharan Dust (unitless). |
J_ABIFM_c_SaharanDust | -1.35 | float | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Saharan Dust (unitless). |
J_ABIFM_m_AsianDust | 22.62 | float | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_c_AsianDust | -1.35 | float | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Asian Dust (unitless). |
J_ABIFM_m_MiddleEasternDust | 22.62 | float | Empirical coefficient $m$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
J_ABIFM_c_MiddleEasternDust | -1.35 | float | Empirical coefficient $c$ for the immersion freezing rate ($J_{het}$) of Middle Eastern Dust (unitless). |
AlpertKnopf2016_J_ABIFM_m_DesertDust | 22.62 | float | 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 | -1.35 | float | Coefficient $c$ for immersion freezing rate $J_{het}$ of Desert Dust (unitless). Source: Alpert and Knopf (2016), DOI: 10.5194/acp-16-2083-2016. |
KnopfAlpert2013_J_ABIFM_m_Kaolinite | 54.58834 | float | 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 | -10.54758 | float | 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 | float | 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 | -10.66873 | float | Coefficient $c$ for immersion freezing rate $J_{het}$ of Illite (unitless). Source: Knopf and Alpert (2013), DOI: 10.1039/C3FD00035D. |
| Name | Value | Type | Description |
|---|
BF1995_mass_exponent_beta | 1.9 | float | 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). |
BF1995_mass_coeff_alpha | 7.38e-11 | float | 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). |
M1996_area_exponent_sigma | 1.88 | float | 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). |
M1996_area_coeff_gamma | 0.2285 | float | 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). |
Heymsfield_mu_coeff1 | 0.00191 | float | 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 | float | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_coeff3 | 2 | float | Coefficient for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
Heymsfield_mu_cutoff | 6 | float | Limiter for shape parameter $\mu$ for ice in the P3 scheme (unitless). Source: Morrison and Milbrandt (2015), Eq. (3). |
P3_constant_slope_parameterization_value | 3.0 | float | Value of $\mu$ for the constant slope parameterization in the P3 scheme (unitless). |
CL1993_local_rime_density_constant_coeff | 51 | float | 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 | float | 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 | float | 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. |
P3_wet_growth_timescale | 100 | float | Timescale for densification due to wet growth in the P3 scheme (s). |
P3_ice_nucleation_diameter | 2.0e-6 | float | 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_cooper_deposition_max_concentration | 100000.0 | float | Maximum ice number concentration target for deposition nucleation in the P3 scheme (m⁻³). Bounds the Cooper (1986) exponential-in-supercooling target from above. Experimental (may change at any time). |
P3_cooper_deposition_temperature_threshold | 258.15 | float | Temperature above which deposition nucleation in the P3 scheme is inactive (K). Experimental (may change at any time). |
P3_cooper_deposition_ice_supersaturation_threshold | 0.05 | float | Ice supersaturation below which deposition nucleation in the P3 scheme is inactive (unitless). Experimental (may change at any time). |
P3_cooper_deposition_prefactor | 5 | float | Prefactor $a$ in the Cooper (1986) exponential-in-supercooling target ice number concentration $N_t(T) = \min(a \exp(b (T_0 - T)), N_{max})$ for P3 deposition nucleation (m⁻³). Source: Thompson et al. (2004) form of Cooper (1986), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. Experimental (may change at any time). |
P3_cooper_deposition_exponent_coefficient | 0.304 | float | Exponent coefficient $b$ in the Cooper (1986) exponential-in-supercooling target ice number concentration $N_t(T) = \min(a \exp(b (T_0 - T)), N_{max})$ for P3 deposition nucleation (K⁻¹). Source: Thompson et al. (2004) form of Cooper (1986), DOI: 10.1175/1520-0493(2004)132<0519:EFOWPU>2.0.CO;2. Experimental (may change at any time). |
P3_mu_smoothing_sharpness | 2.68 | float | 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_ice_sticking_efficiency_cold | 0.001 | float | Ice aggregation sticking efficiency at and below P3_ice_sticking_efficiency_T_cold in the P3 scheme (unitless). Collisions between cold ice crystals almost never result in sticking; without this factor the scheme collects every geometric encounter. Value from the P3 fortran implementation, adopted for consistency with it. Not documented in any published P3 papers. Experimental (may change at any time). |
P3_ice_sticking_efficiency_warm | 0.3 | float | Ice aggregation sticking efficiency at and above the freezing point in the P3 scheme (unitless), the warm end of a linear ramp from P3_ice_sticking_efficiency_cold. Value from the P3 fortran implementation, adopted for consistency with it. Not documented in any published P3 papers. Experimental (may change at any time). |
P3_ice_sticking_efficiency_T_cold | 253.15 | float | Temperature at and below which the ice aggregation sticking efficiency in the P3 scheme saturates at P3_ice_sticking_efficiency_cold (K); between here and the freezing point the efficiency ramps linearly. Value from the P3 fortran implementation, adopted for consistency with it. Not documented in any published P3 papers. Experimental (may change at any time). |
P3_ice_collection_rime_shutoff_start | 0.6 | float | Rime mass fraction at and below which ice self-collection in the P3 scheme is unreduced (unitless). Above it the collection efficiency falls linearly to zero at P3_ice_collection_rime_shutoff_end, because heavily rimed ice is smooth and dense and does not aggregate. Value from the P3 fortran implementation, adopted for consistency with it. Not documented in any published P3 papers. Experimental (may change at any time). |
P3_ice_collection_rime_shutoff_end | 0.9 | float | Rime mass fraction at and above which ice self-collection in the P3 scheme is shut off entirely (unitless). Value from the P3 fortran implementation, adopted for consistency with it. Not documented in any published P3 papers. Experimental (may change at any time). |
P3_ice_number_adjustment_timescale | 100 | float | Timescale for the ice number-concentration adjustment toward the bounds on mean ice particle mass in the P3 scheme (s). Independent of Horn2012_number_concentration_adjustment_timescale, the equivalent warm-phase key. Experimental (may change at any time). |
| Name | Value | Type | Description |
|---|
seasalt_aerosol_molar_mass | 0.058443 | float | Molar mass of sea salt aerosol (kg mol⁻¹). |
seasalt_aerosol_density | 2170 | float | Density of sea salt aerosol (kg m⁻³). |
seasalt_aerosol_osmotic_coefficient | 0.9 | float | Osmotic coefficient of sea salt aerosol (unitless). |
seasalt_aerosol_ion_number | 2 | float | Number of ions that sea salt dissociates into when dissolved in water (unitless). |
seasalt_aerosol_water_soluble_mass_fraction | 1 | float | Mass fraction of water-soluble material for sea salt aerosol (unitless). |
seasalt_aerosol_kappa | 1.12 | float | Hygroscopicity parameter $\kappa$ for sea salt aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
MERRA2_seasalt_aerosol_bin01_radius | 7.9e-8 | float | Dry particle radius for sea salt aerosol in bin 01 of the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
MERRA2_seasalt_aerosol_bin02_radius | 3.16e-7 | float | Dry particle radius for sea salt aerosol in bin 02 of the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
MERRA2_seasalt_aerosol_bin03_radius | 1.119e-6 | float | Dry particle radius for sea salt aerosol in bin 03 of the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
MERRA2_seasalt_aerosol_bin04_radius | 2.818e-6 | float | Dry particle radius for sea salt aerosol in bin 04 of the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
MERRA2_seasalt_aerosol_bin05_radius | 7.772e-6 | float | Dry particle radius for sea salt aerosol in bin 05 of the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
sulfate_aerosol_molar_mass | 0.132 | float | Molar mass of sulfate aerosol (kg mol⁻¹). |
sulfate_aerosol_density | 1770 | float | Density of sulfate aerosol (kg m⁻³). |
sulfate_aerosol_osmotic_coefficient | 1 | float | Osmotic coefficient of sulfate aerosol (unitless). |
sulfate_aerosol_ion_number | 3 | float | Number of ions that sulfate dissociates into when dissolved in water (unitless). |
sulfate_aerosol_water_soluble_mass_fraction | 1 | float | Mass fraction of water-soluble material for sulfate aerosol (unitless). |
sulfate_aerosol_kappa | 0.53 | float | Hygroscopicity parameter $\kappa$ for sulfate aerosol (unitless). Source: Petters and Kreidenweis (2007), DOI: 10.5194/acp-7-1961-2007. |
MERRA2_sulfate_aerosol_radius | 3.5e-7 | float | Dry particle radius for sulfate aerosol in the MERRA-2 dataset (m). Source: Global Modeling and Assimilation Office (2015), DOI: 10.5067/LTVB4GPCOTK2. |
ARG2000_f_coeff_1 | 0.5 | float | 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 | float | 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 | float | 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 | float | 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 | float | 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 | float | 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. |
| Name | Value | Type | Description |
|---|
mam3_nucleation_p_b_n_neutral | 3.95451 | float | 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 | 3.373738 | float | 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 | 9.702973 | float | 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 | -11.48166 | float | 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 | 12.62259 | float | 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 | 25.49469 | float | 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 | -0.007066146 | float | 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 | 0.1810722 | float | 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 | 2.891024 | float | 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 | 3.138719 | float | 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 | 182.4495 | float | 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 | -23.8002 | float | 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 | 1.203451 | float | 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 | 37.03029 | float | 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 | -4.188065 | float | 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 | 0.227413 | float | 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 | 8.003471 | float | 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 | 3.071246 | float | 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 | 1.5703478e-6 | float | 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 | 0.0048314 | float | 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_1_neutral | 0.0400097 | float | 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 | float | 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 | float | 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 | float | 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 | float | 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 | 0.029 | float | 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 | float | 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 | 8.05e-16 | float | 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 | float | 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 | -640 | float | 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 | float | 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 | float | 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. |
| Name | Value | Type | Description |
|---|
nogw_source_pressure | 31500.0 | float | Source level pressure (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_damp_pressure | 85.0 | float | Damping level pressure (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_source_height | 15000.0 | float | Source level height (m). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bw | 0.4 | float | Westward wave spectral amplitude (m² s⁻²). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bn | 0.0 | float | Northward wave spectral amplitude (m² s⁻²). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_dc | 0.8 | float | Phase speed resolution (m s⁻¹). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_cmax | 100.0 | float | Maximum phase speed (m s⁻¹). The phase-speed grid is $c[n] = (n-1)\,\Delta c - c_\text{max}$, so an exact $c = 0$ bin exists only when nogw_cmax divided by nogw_dc is an integer; this is required for the Beres steady ($\nu = 0$) convective source, which deposits there and silently no-ops otherwise. The default, 100.0 / 0.8 = 125, gives a $c = 0$ bin. Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_c0 | 0.0 | float | Reference phase speed (m s⁻¹). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_nk | 1.0 | float | Number of wave bands (unitless). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_cw | 35.0 | float | Westward phase speed half-width (m s⁻¹). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_cw_tropics | 35.0 | float | Tropical westward phase speed half-width (m s⁻¹). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_cn | 2.0 | float | Northward phase speed half-width (m s⁻¹). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bt_0 | 0.0043 | float | Base total source momentum flux (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bt_n | 0.0 | float | Northern hemisphere total momentum flux amplitude (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bt_s | 0.0 | float | Southern hemisphere total momentum flux amplitude (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_Bt_eq | 0.0043 | float | Equatorial total momentum flux amplitude (Pa). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_phi0_n | 15.0 | float | Northern hemisphere latitude center (degrees). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_phi0_s | -15.0 | float | Southern hemisphere latitude center (degrees). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_dphi_n | 10.0 | float | Northern hemisphere latitude width (degrees). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_dphi_s | -10.0 | float | Southern hemisphere latitude width (degrees). Source: Alexander and Dunkerton (1999), DOI: 10.1175/1520-0469(1999)056<4167:ASPOMF>2.0.CO;2. |
nogw_beres_Q0_threshold | 1.0e-5 | float | Minimum convective heating rate to activate the Beres et al. (2004) convective gravity-wave source (K s⁻¹, ~1 K day⁻¹ = 1e-5). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOSTG>2.0.CO;2. |
nogw_beres_scale_factor | 2.0e-6 | float | Amplitude scaling for the Beres convective momentum flux (unitless); folds the rho_0/(L*tau) prefactor, the |Q_t|^2 weight, and empirical tuning into one parameter. Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_sigma_x | 4000.0 | float | Convective cell horizontal half-width (m) in the Beres source spectrum (Eq. 7). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_nu_min | 0.0008727 | float | Minimum angular frequency for the Beres frequency integration (rad s⁻¹, period ~120 min). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_nu_max | 0.01047 | float | Maximum angular frequency for the Beres frequency integration (rad s⁻¹, period ~10 min). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_n_nu | 9 | integer | Number of quadrature points for the Beres frequency integration (unitless; must be 4k+1: 5, 9, 13, ... for composite Boole's rule). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_h_heat_min | 1000.0 | float | Minimum heating depth (m) to activate the Beres source; filters out shallow convection. Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_n_h_avg | 1 | integer | Number of heating depths h over which to average the Beres spectrum (unitless; 1 = no averaging, >=3 smooths the resonance peak, see Fig. 4 of the source). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_delta_h_frac | 0.1 | float | Fractional half-range for Beres $h$ averaging, $h \pm$ nogw_beres_delta_h_frac $\cdot h$ (unitless); only used when nogw_beres_n_h_avg > 1. Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_z_bot_Q_threshold | 1.157e-5 | float | Minimum Q_conv to count as the bottom of the Beres convective heating envelope (K s⁻¹, ~1 K day⁻¹ = 1.157e-5). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_z_bot_floor | 2000.0 | float | Minimum allowed Beres convective envelope bottom (m); excludes the PBL-turbulence signal in Q_conv. Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_steady_dc_frac | 1.0 | float | Steady Beres DC heating weight (unitless) in $Q_t(0)^2 =$ nogw_beres_steady_dc_frac $\cdot \nu_\text{min}$; scales the steady-vs-transient amplitude. Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
nogw_beres_L_system | 1.0e6 | float | Largest convective-system scale (m) setting k_min = 2*pi/L in the even-folded horizontal constant H of the steady Beres source (steady/transient ratio depends on it only logarithmically). Source: Beres et al. (2004), DOI: 10.1175/1520-0469(2004)061<0324:AMOICG>2.0.CO;2. |
| Name | Value | Type | Description |
|---|
CO2_compensation_point_25c | 4.275e-5 | float | CO₂ compensation point ($\Gamma^*$) at 25°C (mol mol⁻¹). Source: Bernacchi et al. (2001). |
CO2_michaelis_menten | 0.0004049 | float | Michaelis-Menten parameter for CO₂ at 25°C (mol mol⁻¹). Source: Bernacchi et al. (2001). |
O2_michaelis_menten | 0.2784 | float | Michaelis-Menten parameter for O₂ at 25°C (mol mol⁻¹). Source: Bernacchi et al. (2001). |
CO2_activation_energy | 79430.0 | float | Energy of activation for CO₂ (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
O2_activation_energy | 36380.0 | float | Energy of activation for oxygen (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
Vcmax_activation_energy | 65330.0 | float | Energy of activation for Vcmax (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
Γstar_activation_energy | 37830.0 | float | Energy of activation for $\Gamma^*$ (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
Jmax_activation_energy | 43540.0 | float | Energy of activation for Jmax (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
Rd_activation_energy | 46390.0 | float | Energy of activation for dark respiration, Rd (J mol⁻¹). Source: Bonan (2019), Table 11.2; Bernacchi et al. (2001, 2003). |
kelvin_25C | 298.15 | float | Reference temperature equal to 25°C (K). |
intercellular_O2_concentration | 0.209 | float | Intercellular O₂ concentration, assumed constant (mol mol⁻¹). |
photosystem_II_quantum_yield | 0.7 | float | Quantum yield of photosystem II (unitless). Source: Bonan (2019); Bernacchi et al. (2003). |
Farquhar_curvature_parameter | 0.9 | float | Curvature parameter for calculating $J$, a fitting constant (unitless). Source: von Caemmerer (2000, 2013); Bernacchi et al. (2003, 2013); von Caemmerer et al. (2009). |
dark_respiration_factor | 0.015 | float | Constant factor appearing in the dark respiration term (unitless). Source: Bonan (2019). |
low_water_pressure_sensitivity | 5.0e-6 | float | Sensitivity of stomatal conductance to low water pressure (Pa⁻¹). |
moisture_stress_ref_water_pressure | -2.0e6 | float | Reference water pressure for the moisture stress factor (Pa). Source: Tuzet et al. (2003). |
electron_transport_maintenance | 0.05336251 | float | Constant describing the cost of maintaining electron transport (unitless). |