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C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/phy_driver.F,v 1.1 2002/11/22 17:17:03 jmc Exp $ |
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C $Name: $ |
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|
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#include "AIM_OPTIONS.h" |
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SUBROUTINE PHY_DRIVER (tYear, myTime, myIter, bi, bj, myThid ) |
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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-- 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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IMPLICIT NONE |
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C Resolution parameters |
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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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#include "AIM_GRID.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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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 #include "com_sflcon.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-- Routine arguments: |
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_RL tYear, myTime |
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INTEGER myIter, bi,bj, myThid |
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|
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#ifdef ALLOW_AIM |
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|
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C-- Local variables: |
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C kGrd = Ground level index (2-dim) |
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C dpFac = cell delta_P fraction (3-dim) |
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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 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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|
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INTEGER J, K |
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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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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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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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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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C 3.0 Compute Incomming shortwave rad. (from FORDATE in SPEEDY) |
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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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C 3.1 Compute shortwave tendencies and initialize lw transmissivity |
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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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IF (LRADSW) THEN |
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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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CALL RADSW (PSG,dpFac,QG1,RH(1,1,myThid),ALB1(1,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,myThid),TT_RSW(1,1,myThid), |
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I 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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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,myThid),TT_RLW(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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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 (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,myThid),STL1(1,myThid),SST1(1,myThid), |
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I SOILW1(1,myThid), SSR(1,myThid),SLR(1,myThid), |
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O SPEED0(1,myThid),DRAG(1,1,myThid), |
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O SHF(1,1,myThid), EVAP(1,1,myThid), |
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O ST4S,TS(1,myThid),TSKIN(1,myThid), |
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O T0(1,myThid),Q0(1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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C 3.4 Compute upward longwave fluxes, convert them to tendencies |
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C and add shortwave tendencies |
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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,myThid),TT_RLW(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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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_RLW(J,K,myThid)=TT_RLW(J,K,myThid)*RPS_1*GRDSCP(K) |
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c_FM TTEND (J,K)=TTEND(J,K)+TT_RSW(J,K)+TT_RLW(J,K) |
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ENDDO |
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ENDDO |
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|
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C-- 4. PBL interactions with lower troposphere |
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|
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C 4.1 Vertical diffusion and shallow convection |
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|
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c_FM CALL VDIFSC (UG1,VG1,SE,RH,QG1,QSAT,PHIG1, |
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c_FM & UT_PBL,VT_PBL,TT_PBL,QT_PBL) |
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CALL VDIFSC (dpFac, SE, RH(1,1,myThid), QG1, QSAT, |
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O TT_PBL(1,1,myThid),QT_PBL(1,1,myThid), |
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I kGround,bi,bj,myThid) |
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|
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C 4.2 Add tendencies due to surface fluxes |
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|
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DO J=1,NGP |
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c_FM UT_PBL(J,NLEV)=UT_PBL(J,NLEV)+USTR(J,3)*RPS(J)*GRDSIG(NLEV) |
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c_FM VT_PBL(J,NLEV)=VT_PBL(J,NLEV)+VSTR(J,3)*RPS(J)*GRDSIG(NLEV) |
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c_FM TT_PBL(J,NLEV)=TT_PBL(J,NLEV)+ SHF(J,3)*RPS(J)*GRDSCP(NLEV) |
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c_FM QT_PBL(J,NLEV)=QT_PBL(J,NLEV)+EVAP(J,3)*RPS(J)*GRDSIG(NLEV) |
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K = kGround(J) |
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IF ( K.GT.0 ) THEN |
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TT_PBL(J,K,myThid) = TT_PBL(J,K,myThid) |
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& + SHF(J,3,myThid) *RPS_1*GRDSCP(K) |
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QT_PBL(J,K,myThid) = QT_PBL(J,K,myThid) |
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& + EVAP(J,3,myThid)*RPS_1*GRDSIG(K) |
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ENDIF |
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ENDDO |
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|
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c_FM DO K=1,NLEV |
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c_FM DO J=1,NGP |
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c_FM UTEND(J,K)=UTEND(J,K)+UT_PBL(J,K) |
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c_FM VTEND(J,K)=VTEND(J,K)+VT_PBL(J,K) |
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c_FM TTEND(J,K)=TTEND(J,K)+TT_PBL(J,K) |
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c_FM QTEND(J,K)=QTEND(J,K)+QT_PBL(J,K) |
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c_FM ENDDO |
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c_FM ENDDO |
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|
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#endif /* ALLOW_AIM */ |
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|
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RETURN |
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END |
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