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C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/phy_driver.F,v 1.9 2010/10/26 20:59:53 dfer Exp $ |
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C $Name: $ |
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|
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#include "AIM_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: PHY_DRIVER |
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C !INTERFACE: |
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SUBROUTINE PHY_DRIVER( tYear, usePkgDiag, |
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I bi, bj, myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C------------------------ |
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C-- SUBROUTINE PHYDRIVER (tYear, myTime, bi, bj, myThid ) |
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C-- Purpose: stand-alone driver for physical parametrization routines |
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C-- Input : TYEAR : fraction of year (0 = 1jan.00, 1 = 31dec.24) |
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C-- grid-point model fields in common block: PHYGR1 |
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C-- forcing fields in common blocks : LSMASK, FORFIX, FORCIN |
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C-- Output : Diagnosed upper-air variables in common block: PHYGR2 |
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C-- Diagnosed surface variables in common block: PHYGR3 |
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C-- Physical param. tendencies in common block: PHYTEN |
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C-- Surface and upper boundary fluxes in common block: FLUXES |
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C------- |
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C Note: tendencies are not /dpFac here but later in AIM_AIM2DYN |
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C------- |
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C from SPEDDY code: (part of original code left with c_FM) |
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C * S/R PHYPAR : except interp. dynamical Var. from Spectral of grid point |
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C here dynamical var. are loaded within S/R AIM_DYN2AIM. |
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C * S/R FORDATE: only the CALL SOL_OZ (done once / day in SPEEDY) |
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C------------------------ |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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|
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C == Global variables === |
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|
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C-- size for MITgcm & Physics package : |
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#include "AIM_SIZE.h" |
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#include "EEPARAMS.h" |
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|
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C-- Physics package |
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#include "AIM_PARAMS.h" |
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#include "AIM_GRID.h" |
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#include "AIM_CO2.h" |
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|
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C Constants + functions of sigma and latitude |
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#include "com_physcon.h" |
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|
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C Model variables, tendencies and fluxes on gaussian grid |
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#include "com_physvar.h" |
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|
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C Surface forcing fields (time-inv. or functions of seasonal cycle) |
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#include "com_forcing.h" |
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|
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C Constants for forcing fields: |
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#include "com_forcon.h" |
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|
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C Radiation scheme variables |
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#include "com_radvar.h" |
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|
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C Radiation constants |
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#include "com_radcon.h" |
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|
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C Logical flags |
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c_FM include "com_lflags.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C tYear :: Fraction into year |
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C usePkgDiag :: logical flag, true if using Diagnostics PKG |
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C bi, bj :: Tile index |
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C myTime :: Current time of simulation ( s ) |
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C myIter :: Current iteration number in simulation |
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C myThid :: Number of this instance of the routine |
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_RL tYear |
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LOGICAL usePkgDiag |
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INTEGER bi,bj |
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_RL myTime |
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INTEGER myIter, myThid |
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CEOP |
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|
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#ifdef ALLOW_AIM |
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C !FUNCTIONS: |
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C !LOCAL VARIABLES: |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Local Variables originally (Speedy) in common bloc (com_physvar.h): |
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C TG1 :: absolute temperature |
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C QG1 :: specific humidity (g/kg) |
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C VsurfSq :: Square of surface wind speed (grid position = as T,Q) |
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C SE :: dry static energy <- replaced by Pot.Temp. |
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C QSAT :: saturation specific humidity (g/kg) |
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C PSG :: surface pressure (normalized) |
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_RL TG1 (NGP,NLEV) |
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_RL QG1 (NGP,NLEV) |
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_RL VsurfSq(NGP) |
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_RL SE (NGP,NLEV) |
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_RL QSAT (NGP,NLEV) |
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_RL PSG (NGP) |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Local variables: |
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C absLW_CO2 :: LW absorbtion in CO2 band (uniform value) |
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C kGround :: Ground level index (2-dim) |
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C dpFac :: cell delta_P fraction (3-dim) |
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C dTskin :: temp. correction for daily-cycle heating [K] |
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C T1s :: near-surface air temperature (from Pot.Temp) |
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C DENVV :: surface flux (sens,lat.) coeff. (=Rho*|V|) [kg/m2/s] |
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C Shf0 :: sensible heat flux over freezing surf. |
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C dShf :: sensible heat flux derivative relative to surf. temp |
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C Evp0 :: evaporation computed over freezing surface (Ts=0.oC) |
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C dEvp :: evaporation derivative relative to surf. temp |
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C Slr0 :: upward long wave radiation over freezing surf. |
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C dSlr :: upward long wave rad. derivative relative to surf. temp |
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C sFlx :: net surface flux (+=down) function of surf. temp Ts: |
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C 0: Flux(Ts=0.oC) ; 1: Flux(Ts^n) ; 2: d.Flux/d.Ts(Ts^n) |
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LOGICAL LRADSW |
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INTEGER ICLTOP(NGP) |
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INTEGER kGround(NGP) |
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_RL absLW_CO2 |
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_RL dpFac(NGP,NLEV) |
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c_FM REAL RPS(NGP), ST4S(NGP) |
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_RL ST4S(NGP) |
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_RL PSG_1(NGP), RPS_1 |
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_RL dTskin(NGP), T1s(NGP), DENVV(NGP) |
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_RL Shf0(NGP), dShf(NGP), Evp0(NGP), dEvp(NGP) |
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_RL Slr0(NGP), dSlr(NGP), sFlx(NGP,0:2) |
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_RL UPSWG(NGP) |
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|
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INTEGER J, K |
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|
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#ifdef ALLOW_CLR_SKY_DIAG |
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_RL dummyR(NGP) |
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INTEGER dummyI(NGP) |
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#endif |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C-- 1. Compute grid-point fields |
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|
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C- 1.1 Convert model spectral variables to grid-point variables |
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|
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CALL AIM_DYN2AIM( |
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O TG1, QG1, SE, VsurfSq, PSG, dpFac, kGround, |
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I bi, bj, myTime, myIter, myThid ) |
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|
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C- 1.2 Compute thermodynamic variables |
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|
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C- 1.2.a Surface pressure (ps), 1/ps and surface temperature |
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RPS_1 = 1. _d 0 |
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DO J=1,NGP |
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PSG_1(J)=1. _d 0 |
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c_FM PSG(J)=EXP(PSLG1(J)) |
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c_FM RPS(J)=1./PSG(J) |
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ENDDO |
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|
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C 1.2.b Dry static energy |
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C <= replaced by Pot.Temp in aim_dyn2aim |
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c DO K=1,NLEV |
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c DO J=1,NGP |
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c_FM SE(J,K)=CP*TG1(J,K)+PHIG1(J,K) |
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c ENDDO |
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c ENDDO |
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|
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C 1.2.c Relative humidity and saturation spec. humidity |
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|
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DO K=1,NLEV |
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c_FM CALL SHTORH (1,NGP,TG1(1,K),PSG,SIG(K),QG1(1,K), |
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c_FM & RH(1,K),QSAT(1,K)) |
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CALL SHTORH (1,NGP,TG1(1,K),PSG_1,SIG(K),QG1(1,K), |
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O RH(1,K,myThid),QSAT(1,K), |
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I myThid) |
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ENDDO |
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|
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C-- 2. Precipitation |
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|
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C 2.1 Deep convection |
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|
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c_FM CALL CONVMF (PSG,SE,QG1,QSAT, |
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c_FM & ICLTOP,CBMF,PRECNV,TT_CNV,QT_CNV) |
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CALL CONVMF (PSG,dpFac,SE,QG1,QSAT, |
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O ICLTOP,CBMF(1,myThid),PRECNV(1,myThid), |
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O TT_CNV(1,1,myThid),QT_CNV(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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DO K=2,NLEV |
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DO J=1,NGP |
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TT_CNV(J,K,myThid)=TT_CNV(J,K,myThid)*RPS_1*GRDSCP(K) |
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QT_CNV(J,K,myThid)=QT_CNV(J,K,myThid)*RPS_1*GRDSIG(K) |
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ENDDO |
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ENDDO |
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|
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C 2.2 Large-scale condensation |
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|
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c_FM CALL LSCOND (PSG,QG1,QSAT, |
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c_FM & PRECLS,TT_LSC,QT_LSC) |
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CALL LSCOND (PSG,dpFac,QG1,QSAT, |
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O PRECLS(1,myThid),TT_LSC(1,1,myThid), |
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O QT_LSC(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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IF ( aim_energPrecip ) THEN |
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C 2.3 Snow Precipitation (update TT_CNV & TT_LSC) |
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CALL SNOW_PRECIP ( |
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I PSG, dpFac, SE, ICLTOP, |
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I PRECNV(1,myThid), QT_CNV(1,1,myThid), |
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I PRECLS(1,myThid), QT_LSC(1,1,myThid), |
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U TT_CNV(1,1,myThid), TT_LSC(1,1,myThid), |
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O EnPrec(1,myThid), |
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I kGround,bi,bj,myThid) |
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ELSE |
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DO J=1,NGP |
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EnPrec(J,myThid) = 0. _d 0 |
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ENDDO |
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ENDIF |
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|
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C-- 3. Radiation (shortwave and longwave) and surface fluxes |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C --> from FORDATE (in SPEEDY) : |
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|
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C 3.0 Compute Incomming shortwave rad. (from FORDATE in SPEEDY) |
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|
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c_FM CALL SOL_OZ (SOLC,TYEAR) |
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CALL SOL_OZ (SOLC,tYear, snLat(1,myThid), csLat(1,myThid), |
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O FSOL, OZONE, OZUPP, ZENIT, STRATZ, |
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I bi,bj,myThid) |
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|
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C <-- from FORDATE (in SPEEDY). |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C 3.1 Compute shortwave tendencies and initialize lw transmissivity |
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|
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C Set LW absorption in CO2 band |
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IF ( aim_select_pCO2.EQ.1 .OR. aim_select_pCO2.EQ.3 ) THEN |
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absLW_CO2 = ABLCO2 |
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& + aim_abs_pCO2*LOG( aim_pCO2/aim_ref_pCO2 ) |
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ELSE |
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absLW_CO2 = ABLCO2 |
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ENDIF |
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|
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C The sw radiation may be called at selected time steps |
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LRADSW = .TRUE. |
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|
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IF (LRADSW) THEN |
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|
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c_FM CALL RADSW (PSG,QG1,RH,ALB1, |
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c_FM & ICLTOP,CLOUDC,TSR,SSR,TT_RSW) |
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ICLTOP(1) = 1 |
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CALL RADSW (PSG,dpFac,QG1,RH(1,1,myThid),ALB1(1,0,myThid), |
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I FSOL, OZONE, OZUPP, ZENIT, STRATZ, |
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O TAU2, STRATC, |
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O ICLTOP,CLOUDC(1,myThid), |
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O TSR(1,myThid),SSR(1,0,myThid), |
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O UPSWG,TT_RSW(1,1,myThid), |
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I absLW_CO2, kGround, bi, bj, myThid ) |
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|
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DO J=1,NGP |
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CLTOP(J,myThid)=SIGH(ICLTOP(J)-1)*PSG_1(J) |
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ENDDO |
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|
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DO K=1,NLEV |
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DO J=1,NGP |
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TT_RSW(J,K,myThid)=TT_RSW(J,K,myThid)*RPS_1*GRDSCP(K) |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( usePkgDiag ) THEN |
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CALL DIAGNOSTICS_FILL( UPSWG, |
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& 'UPSWG ', 1, 1 , 3,bi,bj, myThid ) |
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ENDIF |
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#endif |
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|
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ENDIF |
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|
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C 3.2 Compute downward longwave fluxes |
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|
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c_FM CALL RADLW (-1,TG1,TS,ST4S, |
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c_FM & OLR,SLR,TT_RLW) |
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CALL RADLW (-1,TG1,TS(1,myThid),ST4S, |
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& OZUPP, STRATC, TAU2, FLUX, ST4A, |
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O OLR(1,myThid),SLR(1,0,myThid),TT_RLW(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C 3.3. Compute surface fluxes and land skin temperature |
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|
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c_FM CALL SUFLUX (PSG,UG1,VG1,TG1,QG1,RH,PHIG1, |
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c_FM & PHIS0,FMASK1,STL1,SST1,SOILW1,SSR,SLR, |
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c_FM & USTR,VSTR,SHF,EVAP,ST4S, |
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c_FM & TS,TSKIN,U0,V0,T0,Q0) |
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CALL SUFLUX_PREP( |
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I PSG, TG1, QG1, RH(1,1,myThid), SE, VsurfSq, |
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I WVSurf(1,myThid),csLat(1,myThid),fOrogr(1,myThid), |
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I FMASK1(1,1,myThid),STL1(1,myThid),SST1(1,myThid), |
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I sti1(1,myThid), SSR(1,0,myThid), |
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O SPEED0(1,myThid),DRAG(1,0,myThid),DENVV, |
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O dTskin,T1s,T0(1,myThid),Q0(1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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CALL SUFLUX_LAND ( |
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I PSG, FMASK1(1,1,myThid), EMISFC, |
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I STL1(1,myThid), dTskin, |
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I SOILW1(1,myThid), SSR(1,1,myThid), SLR(1,0,myThid), |
| 304 |
I T1s, T0(1,myThid), Q0(1,myThid), DENVV, |
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O SHF(1,1,myThid), EVAP(1,1,myThid), SLR(1,1,myThid), |
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O Shf0, dShf, Evp0, dEvp, Slr0, dSlr, sFlx, |
| 307 |
O TS(1,myThid), TSKIN(1,myThid), |
| 308 |
I bi,bj,myThid) |
| 309 |
#ifdef ALLOW_LAND |
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CALL AIM_LAND_IMPL( |
| 311 |
I FMASK1(1,1,myThid), dTskin, |
| 312 |
I Shf0, dShf, Evp0, dEvp, Slr0, dSlr, |
| 313 |
U sFlx, STL1(1,myThid), |
| 314 |
U SHF(1,1,myThid), EVAP(1,1,myThid), SLR(1,1,myThid), |
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O dTsurf(1,1,myThid), |
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I bi, bj, myTime, myIter, myThid) |
| 317 |
#endif /* ALLOW_LAND */ |
| 318 |
|
| 319 |
CALL SUFLUX_OCEAN( |
| 320 |
I PSG, FMASK1(1,2,myThid), |
| 321 |
I SST1(1,myThid), |
| 322 |
I SSR(1,2,myThid), SLR(1,0,myThid), |
| 323 |
O T1s, T0(1,myThid), Q0(1,myThid), DENVV, |
| 324 |
O SHF(1,2,myThid), EVAP(1,2,myThid), SLR(1,2,myThid), |
| 325 |
I bi,bj,myThid) |
| 326 |
|
| 327 |
IF ( aim_splitSIOsFx ) THEN |
| 328 |
CALL SUFLUX_SICE ( |
| 329 |
I PSG, FMASK1(1,3,myThid), EMISFC, |
| 330 |
I STI1(1,myThid), dTskin, |
| 331 |
I SSR(1,3,myThid), SLR(1,0,myThid), |
| 332 |
I T1s, T0(1,myThid), Q0(1,myThid), DENVV, |
| 333 |
O SHF(1,3,myThid), EVAP(1,3,myThid), SLR(1,3,myThid), |
| 334 |
O Shf0, dShf, Evp0, dEvp, Slr0, dSlr, sFlx, |
| 335 |
O TS(1,myThid), TSKIN(1,myThid), |
| 336 |
I bi,bj,myThid) |
| 337 |
#ifdef ALLOW_THSICE |
| 338 |
CALL AIM_SICE_IMPL( |
| 339 |
I FMASK1(1,3,myThid), SSR(1,3,myThid), sFlx, |
| 340 |
I Shf0, dShf, Evp0, dEvp, Slr0, dSlr, |
| 341 |
U STI1(1,myThid), |
| 342 |
U SHF(1,3,myThid), EVAP(1,3,myThid), SLR(1,3,myThid), |
| 343 |
O dTsurf(1,3,myThid), |
| 344 |
I bi, bj, myTime, myIter, myThid) |
| 345 |
#endif /* ALLOW_THSICE */ |
| 346 |
ELSE |
| 347 |
DO J=1,NGP |
| 348 |
SHF (J,3,myThid) = 0. _d 0 |
| 349 |
EVAP(J,3,myThid) = 0. _d 0 |
| 350 |
SLR (J,3,myThid) = 0. _d 0 |
| 351 |
ENDDO |
| 352 |
ENDIF |
| 353 |
|
| 354 |
CALL SUFLUX_POST( |
| 355 |
I FMASK1(1,1,myThid), EMISFC, |
| 356 |
I STL1(1,myThid), SST1(1,myThid), sti1(1,myThid), |
| 357 |
I dTskin, SLR(1,0,myThid), |
| 358 |
I T0(1,myThid), Q0(1,myThid), DENVV, |
| 359 |
U DRAG(1,0,myThid), SHF(1,0,myThid), |
| 360 |
U EVAP(1,0,myThid), SLR(1,1,myThid), |
| 361 |
O ST4S, TS(1,myThid), TSKIN(1,myThid), |
| 362 |
I bi,bj,myThid) |
| 363 |
|
| 364 |
#ifdef ALLOW_DIAGNOSTICS |
| 365 |
IF ( usePkgDiag ) THEN |
| 366 |
CALL DIAGNOSTICS_FILL( SLR(1,0,myThid), |
| 367 |
& 'DWNLWG ', 1, 1 , 3,bi,bj, myThid ) |
| 368 |
ENDIF |
| 369 |
#endif |
| 370 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 371 |
|
| 372 |
C 3.4 Compute upward longwave fluxes, convert them to tendencies |
| 373 |
C and add shortwave tendencies |
| 374 |
|
| 375 |
c_FM CALL RADLW (1,TG1,TS,ST4S, |
| 376 |
c_FM & OLR,SLR,TT_RLW) |
| 377 |
CALL RADLW (1,TG1,TS(1,myThid),ST4S, |
| 378 |
& OZUPP, STRATC, TAU2, FLUX, ST4A, |
| 379 |
O OLR(1,myThid),SLR(1,0,myThid),TT_RLW(1,1,myThid), |
| 380 |
I kGround,bi,bj,myThid) |
| 381 |
|
| 382 |
DO K=1,NLEV |
| 383 |
DO J=1,NGP |
| 384 |
TT_RLW(J,K,myThid)=TT_RLW(J,K,myThid)*RPS_1*GRDSCP(K) |
| 385 |
c_FM TTEND (J,K)=TTEND(J,K)+TT_RSW(J,K)+TT_RLW(J,K) |
| 386 |
ENDDO |
| 387 |
ENDDO |
| 388 |
|
| 389 |
#ifdef ALLOW_CLR_SKY_DIAG |
| 390 |
C 3.5 Compute clear-sky radiation (for diagnostics only) |
| 391 |
IF ( aim_clrSkyDiag ) THEN |
| 392 |
|
| 393 |
C 3.5.1 Compute shortwave tendencies |
| 394 |
dummyI(1) = -1 |
| 395 |
CALL RADSW (PSG,dpFac,QG1,RH(1,1,myThid),ALB1(1,0,myThid), |
| 396 |
I FSOL, OZONE, OZUPP, ZENIT, STRATZ, |
| 397 |
O TAU2, STRATC, |
| 398 |
O dummyI, dummyR, |
| 399 |
O TSWclr(1,myThid), SSWclr(1,myThid), UPSWG, TT_SWclr(1,1,myThid), |
| 400 |
I absLW_CO2, kGround, bi, bj, myThid ) |
| 401 |
|
| 402 |
#ifdef ALLOW_DIAGNOSTICS |
| 403 |
IF ( usePkgDiag ) THEN |
| 404 |
CALL DIAGNOSTICS_FILL( UPSWG, |
| 405 |
& 'UPSWGclr', 1, 1 , 3,bi,bj, myThid ) |
| 406 |
ENDIF |
| 407 |
#endif |
| 408 |
|
| 409 |
C 3.5.2 Compute downward longwave fluxes |
| 410 |
|
| 411 |
CALL RADLW (-1,TG1,TS(1,myThid),ST4S, |
| 412 |
& OZUPP, STRATC, TAU2, FLUX, ST4A, |
| 413 |
O OLWclr(1,myThid), SLWclr(1,myThid), TT_LWclr(1,1,myThid), |
| 414 |
I kGround,bi,bj,myThid) |
| 415 |
|
| 416 |
C 3.5.3 Compute upward longwave fluxes, convert them to tendencies |
| 417 |
|
| 418 |
CALL RADLW (1,TG1,TS(1,myThid),ST4S, |
| 419 |
& OZUPP, STRATC, TAU2, FLUX, ST4A, |
| 420 |
O OLWclr(1,myThid), SLWclr(1,myThid), TT_LWclr(1,1,myThid), |
| 421 |
I kGround,bi,bj,myThid) |
| 422 |
|
| 423 |
DO K=1,NLEV |
| 424 |
DO J=1,NGP |
| 425 |
TT_SWclr(J,K,myThid)=TT_SWclr(J,K,myThid)*RPS_1*GRDSCP(K) |
| 426 |
TT_LWclr(J,K,myThid)=TT_LWclr(J,K,myThid)*RPS_1*GRDSCP(K) |
| 427 |
ENDDO |
| 428 |
ENDDO |
| 429 |
|
| 430 |
ENDIF |
| 431 |
#endif /* ALLOW_CLR_SKY_DIAG */ |
| 432 |
|
| 433 |
C-- 4. PBL interactions with lower troposphere |
| 434 |
|
| 435 |
C 4.1 Vertical diffusion and shallow convection |
| 436 |
|
| 437 |
c_FM CALL VDIFSC (UG1,VG1,SE,RH,QG1,QSAT,PHIG1, |
| 438 |
c_FM & UT_PBL,VT_PBL,TT_PBL,QT_PBL) |
| 439 |
CALL VDIFSC (dpFac, SE, RH(1,1,myThid), QG1, QSAT, |
| 440 |
O TT_PBL(1,1,myThid),QT_PBL(1,1,myThid), |
| 441 |
I kGround,bi,bj,myThid) |
| 442 |
|
| 443 |
C 4.2 Add tendencies due to surface fluxes |
| 444 |
|
| 445 |
DO J=1,NGP |
| 446 |
c_FM UT_PBL(J,NLEV)=UT_PBL(J,NLEV)+USTR(J,3)*RPS(J)*GRDSIG(NLEV) |
| 447 |
c_FM VT_PBL(J,NLEV)=VT_PBL(J,NLEV)+VSTR(J,3)*RPS(J)*GRDSIG(NLEV) |
| 448 |
c_FM TT_PBL(J,NLEV)=TT_PBL(J,NLEV)+ SHF(J,3)*RPS(J)*GRDSCP(NLEV) |
| 449 |
c_FM QT_PBL(J,NLEV)=QT_PBL(J,NLEV)+EVAP(J,3)*RPS(J)*GRDSIG(NLEV) |
| 450 |
K = kGround(J) |
| 451 |
IF ( K.GT.0 ) THEN |
| 452 |
TT_PBL(J,K,myThid) = TT_PBL(J,K,myThid) |
| 453 |
& + SHF(J,0,myThid) *RPS_1*GRDSCP(K) |
| 454 |
QT_PBL(J,K,myThid) = QT_PBL(J,K,myThid) |
| 455 |
& + EVAP(J,0,myThid)*RPS_1*GRDSIG(K) |
| 456 |
ENDIF |
| 457 |
ENDDO |
| 458 |
|
| 459 |
c_FM DO K=1,NLEV |
| 460 |
c_FM DO J=1,NGP |
| 461 |
c_FM UTEND(J,K)=UTEND(J,K)+UT_PBL(J,K) |
| 462 |
c_FM VTEND(J,K)=VTEND(J,K)+VT_PBL(J,K) |
| 463 |
c_FM TTEND(J,K)=TTEND(J,K)+TT_PBL(J,K) |
| 464 |
c_FM QTEND(J,K)=QTEND(J,K)+QT_PBL(J,K) |
| 465 |
c_FM ENDDO |
| 466 |
c_FM ENDDO |
| 467 |
|
| 468 |
#endif /* ALLOW_AIM */ |
| 469 |
|
| 470 |
RETURN |
| 471 |
END |
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