Atmospheric State

RRTMGP.AtmosphericStates.AtmosphericStateType
AtmosphericState{FTA1D,FTA1DN,FTA2D,CLDP,CLDM,VMR} <:
    AbstractAtmosphericState

Atmospheric conditions, used to compute optical properties.

Fields

  • lon: longitude, in degrees (ncol), optional

  • lat: latitude, in degrees (ncol), optional

  • layerdata: storage for col_dry [molecules per cm^2 of dry air], play [Pa, mb], tlay [K]; (3, nlay, ncol)

  • p_lev: Level pressures [Pa, mb]; (nlay+1,ncol)

  • t_lev: Level temperatures [K]; (nlay+1,ncol)

  • t_sfc: Surface temperatures [K]; (ncol)

  • vmr: volume mixing ratio of all relevant gases

  • cloud_state: cloud state

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RRTMGP.AtmosphericStates.GrayAtmosphericStateType
GrayAtmosphericState{FT,FTA1D,FTA2D} <: 
    AbstractAtmosphericState{FT,FTA1D}

Atmospheric conditions, used to compute optical properties with the gray atmosphere approximation

Fields

  • lat: latitude, in degrees, for each column; (ncol,)

  • p_lay: Layer pressures [Pa, mb]; (nlay, ncol)

  • p_lev: Level pressures [Pa, mb]; (nlay+1, ncol)

  • t_lay: Layer temperatures [K]; (nlay, ncol)

  • t_lev: Level temperatures [K]; (nlay+1,ncol)

  • z_lev: Level Altitude [m]; (nlay+1,ncol)

  • t_sfc: Surface temperatures [K]; (ncol)

  • otp: optical thickness parameters

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RRTMGP.AtmosphericStates.GrayOpticalThicknessSchneider2004Type
GrayOpticalThicknessSchneider2004{FT} <: AbstractGrayOpticalThickness

Optical thickness function parameters from Schneider 2004, J. Atmos. Sci. (2004) 61 (12): 1317–1340. DOI: https://doi.org/10.1175/1520-0469(2004)061<1317:TTATTS>2.0.CO;2

Fields

  • α: scaling height ratio

  • te: global mean surface temperature (K)

  • tt: temp at top of atmosphere (K)

  • Δt: Δt (K)

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RRTMGP.AtmosphericStates.GrayOpticalThicknessOGorman2008Type
GrayOpticalThicknessOGorman2008{FT} <: AbstractGrayOpticalThickness

Optical thickness function parameters from O'Gorman 2008, Journal of Climate Vol 21, Page(s): 3815–3832. DOI: https://doi.org/10.1175/2007JCLI2065.1

Fields

  • α: scaling factor

  • fₗ: fₗ

  • τₑ: longwave optical thickness at equator

  • τₚ: longwave optical thickness at poles

  • τ₀: optical thickness for shortwave radiation

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