Option to output spectrally-decomposed TOA flux from RRTMG_LW

climlab/domain/__init__.py

@@ -6,3 +6,4 @@
 from climlab.domain.domain import single_column, zonal_mean_surface, surface_2D, zonal_mean_column, box_model_domain
 from climlab.domain.initial import column_state, surface_state
 from climlab.domain.field import Field, global_mean
+from climlab.domain.axis import Axis

climlab/radiation/radiation.py

@@ -41,6 +41,7 @@
 
 Additional input arguments for LW:
     - ``emissivity = 1.``,  # surface emissivity
+    - ``return_spectral_olr = False``,  # Whether or not to return spectrally-decomposed Outgoing Longwave Radiation (implemented for RRTMG only)
 
 Shortave processes compute these diagnostics (minimum):
 
@@ -69,6 +70,10 @@
     - ``LW_flux_net_clr``  (clear-sky flux)
     - ``TdotLW``   (K/day, radiative heating rate)
     - ``TdotLW_clr`` (clear-sky heating rate)
+
+If ``return_spectral_olr = True`` (RRTMG only), an additional diagnostic is produced:
+
+    - ``OLR_spectral`` (W/m2, Outgoing Longwave Radiation at TOA in spectral bands, **positive up**)
 '''
 
 from __future__ import division
@@ -274,6 +279,7 @@ def __init__(self,
         self.add_diagnostic('TdotLW_clr', 0.*self.Tatm)
         self.add_diagnostic('LW_sfc', 0.*self.Ts)
         self.add_diagnostic('LW_sfc_clr', 0.*self.Ts)
+
         #  Flux diagnostics at layer interfaces
         #   These need an extra vertical level
         interface_zero = init_interface(self.Tatm)

climlab/radiation/rrtm/_rrtmg_lw/Driver.f90

@@ -92,13 +92,13 @@ end subroutine climlab_mcica_subcol_lw
 
 
 subroutine climlab_rrtmg_lw &
-    (ncol    ,nlay    ,icld    ,idrv    , &
+    (ncol    ,nlay    ,icld     , ispec   , idrv    , &
     play    , plev    , tlay    , tlev    , tsfc    , &
     h2ovmr  , o3vmr   , co2vmr  , ch4vmr  , n2ovmr  , o2vmr , &
     cfc11vmr, cfc12vmr, cfc22vmr, ccl4vmr , emis    , &
     inflglw , iceflglw, liqflglw, cldfmcl , &
     taucmcl , ciwpmcl , clwpmcl , reicmcl , relqmcl , tauaer  , &
-    uflx    , dflx    , hr      , uflxc   , dflxc,  hrc, &
+    olr_sr  , uflx    , dflx    , hr      , uflxc   , dflxc,  hrc, &
     duflx_dt,duflxc_dt)
 
 ! Modules
@@ -110,6 +110,8 @@ subroutine climlab_rrtmg_lw &
     integer, parameter :: rb = selected_real_kind(12)
     integer(kind=im), intent(in) :: ncol            ! number of columns
     integer(kind=im), intent(in) :: nlay            ! number of model layers
+    integer(kind=im), intent(inout) :: icld         ! Cloud overlap method
+    integer(kind=im), intent(inout) :: ispec        ! spectral OLR output flag
     integer(kind=im), intent(in) :: idrv            ! Flag for calculation of dFdT, the change
                                                     !    in upward flux as a function of
                                                     !    surface temperature [0=off, 1=on]
@@ -145,6 +147,7 @@ subroutine climlab_rrtmg_lw &
     real(kind=rb), intent(in) :: taucmcl(ngptlw,ncol,nlay)    ! in-cloud optical depth [mcica]
 
 ! Output
+    real(kind=rb), intent(out) :: olr_sr(ncol,nbndlw)    ! Spectrally-decomposed OLR (W/m2)
     real(kind=rb), intent(out) :: uflx(ncol,nlay+1)      ! Total sky longwave upward flux (W/m2)
     real(kind=rb), intent(out) :: dflx(ncol,nlay+1)      ! Total sky longwave downward flux (W/m2)
     real(kind=rb), intent(out) :: hr(ncol,nlay)          ! Total sky longwave radiative heating rate (K/d)
@@ -162,19 +165,20 @@ subroutine climlab_rrtmg_lw &
 !f2py depend(ncol,nlay) h2ovmr,o3vmr,co2vmr,ch4vmr,n2ovmr,o2vmr
 !f2py depend(ncol,nlay) cfc11vmr,cfc12vmr,cfc22vmr,ccl4vmr
 !f2py depend(ncol) tsfc, emis
+!f2py depend(ncol) olr_sr
 !f2py depend(ncol,nlay) tauaer
 !f2py depend(ncol,nlay) cldfmcl,ciwpmcl,clwpmcl,taucmcl
 !f2py depend(ncol,nlay) reicmcl,relqmcl
 !f2py depend(ncol,nlay) uflx,dflx,hr,uflxc,dflxc,hrc,duflx_dt,duflxc_dt
 
     !  Call the RRTMG_LW driver to compute radiative fluxes
-    call rrtmg_lw(ncol    ,nlay    ,icld    ,idrv    , &
+    call rrtmg_lw(ncol    ,nlay    ,icld    ,ispec           ,idrv  , &
              play    , plev    , tlay    , tlev    , tsfc    , &
              h2ovmr  , o3vmr   , co2vmr  , ch4vmr  , n2ovmr  , o2vmr , &
              cfc11vmr, cfc12vmr, cfc22vmr, ccl4vmr , emis    , &
              inflglw , iceflglw, liqflglw, cldfmcl , &
              taucmcl , ciwpmcl , clwpmcl , reicmcl , relqmcl , tauaer  , &
-             uflx    , dflx    , hr      , uflxc   , dflxc,  hrc, &
+             olr_sr  , uflx    , dflx    , hr      , uflxc   , dflxc,  hrc, &
              duflx_dt,duflxc_dt )
 
 end subroutine climlab_rrtmg_lw

climlab/radiation/rrtm/_rrtmg_lw/_rrtmg_lw.pyf

@@ -1,7 +1,7 @@
 !    -*- f90 -*-
 ! Note: the context of this file is case sensitive.
 
-python module _rrtmg_lw ! in 
+python module _rrtmg_lw ! in
     interface  ! in :_rrtmg_lw
         module parrrtm ! in :_rrtmg_lw:rrtmg_lw_v4.85/gcm_model/modules/parrrtm.f90
             use parkind, only: im=>kind_im
@@ -438,13 +438,14 @@ python module _rrtmg_lw ! in
             real(kind=8) dimension(ncol,nlay),intent(out),depend(ncol,nlay) :: relqmcl
             real(kind=8) dimension(140,ncol,nlay),intent(out),depend(ncol,nlay) :: taucmcl
         end subroutine climlab_mcica_subcol_lw
-        subroutine climlab_rrtmg_lw(ncol,nlay,icld,idrv,play,plev,tlay,tlev,tsfc,h2ovmr,o3vmr,co2vmr,ch4vmr,n2ovmr,o2vmr,cfc11vmr,cfc12vmr,cfc22vmr,ccl4vmr,emis,inflglw,iceflglw,liqflglw,cldfmcl,taucmcl,ciwpmcl,clwpmcl,reicmcl,relqmcl,tauaer,uflx,dflx,hr,uflxc,dflxc,hrc,duflx_dt,duflxc_dt) ! in :_rrtmg_lw:Driver.f90
+        subroutine climlab_rrtmg_lw(ncol,nlay,icld,ispec,idrv,play,plev,tlay,tlev,tsfc,h2ovmr,o3vmr,co2vmr,ch4vmr,n2ovmr,o2vmr,cfc11vmr,cfc12vmr,cfc22vmr,ccl4vmr,emis,inflglw,iceflglw,liqflglw,cldfmcl,taucmcl,ciwpmcl,clwpmcl,reicmcl,relqmcl,tauaer,olr_sr,uflx,dflx,hr,uflxc,dflxc,hrc,duflx_dt,duflxc_dt) ! in :_rrtmg_lw:Driver.f90
             use rrtmg_lw_rad, only: rrtmg_lw
             use parkind, only: im=>kind_im
             use parrrtm, only: nbndlw,ngptlw
             integer(kind=im) intent(in) :: ncol
             integer(kind=im) intent(in) :: nlay
             integer :: icld
+            integer :: ispec
             integer(kind=im) intent(in) :: idrv
             real(kind=8) dimension(ncol,nlay),intent(in),depend(ncol,nlay) :: play
             real(kind=8) dimension(ncol,nlay + 1),intent(in),depend(ncol,nlay) :: plev
@@ -472,6 +473,7 @@ python module _rrtmg_lw ! in
             real(kind=8) dimension(ncol,nlay),intent(in),depend(ncol,nlay) :: reicmcl
             real(kind=8) dimension(ncol,nlay),intent(in),depend(ncol,nlay) :: relqmcl
             real(kind=8) dimension(ncol,nlay,16),intent(in),depend(ncol,nlay) :: tauaer
+            real(kind=8) dimension(ncol,16),intent(out),depend(ncol) :: olr_sr
             real(kind=8) dimension(ncol,nlay + 1),intent(out),depend(ncol,nlay) :: uflx
             real(kind=8) dimension(ncol,nlay + 1),intent(out),depend(ncol,nlay) :: dflx
             real(kind=8) dimension(ncol,nlay),intent(out),depend(ncol,nlay) :: hr
@@ -481,7 +483,7 @@ python module _rrtmg_lw ! in
             real(kind=8) dimension(ncol,nlay + 1),intent(out),depend(ncol,nlay) :: duflx_dt
             real(kind=8) dimension(ncol,nlay + 1),intent(out),depend(ncol,nlay) :: duflxc_dt
         end subroutine climlab_rrtmg_lw
-    end interface 
+    end interface
 end python module _rrtmg_lw
 
 ! This file was auto-generated with f2py (version:2).

climlab/radiation/rrtm/_rrtmg_lw/setup.py

@@ -36,7 +36,8 @@
        'rrtmg_lw_init.f90',
        'rrtmg_lw_rad.f90',]
 unoptimized_src = ['rrtmg_lw_k_g.f90']
-mod_src = ['rrtmg_lw_setcoef.f90',]
+mod_src = ['rrtmg_lw_setcoef.f90',
+           'rrtmg_lw_rad.f90',]
 
 def configuration(parent_package='', top_path=None):
     global config