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C $Header: /u/gcmpack/MITgcm/verification/aim.5l_Equatorial_Channel/code/aim_do_atmos_physics.F,v 1.12 2003/09/29 19:24:31 edhill 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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SUBROUTINE AIM_DO_PHYSICS( bi, bj, currentTime, myIter, myThid ) |
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C /==================================================================\ |
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C | S/R AIM_DO_ATMOS_PHYSICS | |
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C |==================================================================| |
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C | Interface interface between atmospheric physics package and the | |
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C | dynamical model. | |
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C | Routine calls physics pacakge after mapping model variables to | |
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C | the package grid. Package should derive and set tendency terms | |
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C | which can be included as external forcing terms in the dynamical | |
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C | tendency routines. Packages should communicate this information | |
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C | through common blocks. | |
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C \==================================================================/ |
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IMPLICIT NONE |
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|
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C -------------- Global variables ------------------------------------ |
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C-- size for MITgcm & Physics package : |
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#include "AIM_SIZE.h" |
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|
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C-- MITgcm |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "GRID.h" |
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#include "SURFACE.h" |
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|
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C-- Physics package |
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#include "AIM_FFIELDS.h" |
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#include "AIM_GRID.h" |
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#include "com_physvar.h" |
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#include "com_forcing1.h" |
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|
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C -------------- Routine arguments ----------------------------------- |
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c _RL phi_hyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL currentTime |
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INTEGER myIter, myThid |
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INTEGER bi, bj |
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|
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#ifdef ALLOW_AIM |
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C -------------- Local variables ------------------------------------- |
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C I,J,K,I2 - Loop counters |
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C tYear - Fraction into year |
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C hInital - Initial height of pressure surfaces (m) |
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C pSurfs - Pressure surfaces (Pa) |
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C Katm - Atmospheric K index |
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INTEGER I |
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INTEGER I2 |
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INTEGER J |
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INTEGER K |
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_RL tYear |
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_RL hInitial(Nr) |
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_RL hInitialW(Nr) |
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DATA hInitial / 17338.0,10090.02,5296.88,2038.54,418.038/ |
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SAVE hInitial |
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DATA hInitialW / 15090.4, 8050.96, 4087.75, 1657.54, 0. / |
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_RL pSurfs(Nr) |
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DATA pSurfs / 75.D2, 250.D2, 500.D2, 775.D2, 950.D2 / |
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SAVE pSurfs |
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_RL pSurfw(Nr) |
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DATA pSurfw / 150.D2, 350.D2, 650.D2, 900.D2, 1000.D2 / |
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SAVE pSurfw |
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_RL RD |
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_RL CPAIR |
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_RL pGround |
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_RL RhoG1(sNx*sNy,Nr) |
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c _RL phiTotal(sNx,sNy,Nr) |
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c _RL phiTCount |
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c _RL phiTSum |
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c _RL ans |
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c _RL pvoltotNiv5 |
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c SAVE pvoltotNiv5 |
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c _RL ptotalNiv5 |
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INTEGER Katm |
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|
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pGround = 1.D5 |
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CPAIR = 1004 |
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RD = 287 |
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|
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CALL AIM_DYN2AIM( bi, bj, currentTime, myThid ) |
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|
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C Physics package works with sub-domains 1:sNx,1:sNy,1:Nr. |
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C Internal index mapping is linear in X and Y with a second |
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C dimension for the vertical. |
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|
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C Adjustment for heave due to mean heating/cooling |
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C ( I do not think the old formula was strictly "correct" for orography |
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C but I have implemented it as was for now. As implemented |
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C the mean heave of the bottom (K=Nr) level is calculated rather than |
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C the mean heave of the base of the atmosphere. ) |
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c phiTCount = 0. |
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c phiTSum = 0. |
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c DO K=1,Nr |
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c DO J=1,sNy |
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c DO I=1,sNx |
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c phiTotal(I,J,K) = etaN(i,j,bi,bj) |
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c phiTCount = phiTCount + hFacC(i,j,Nr,bi,bj) |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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c DO K=1,Nr |
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c DO J=1,sNy |
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c DO I=1,sNx |
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c phiTotal(I,J,K) = phiTotal(I,J,K) + |
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c & recip_rhoConst*(phi_hyd(i,j,k)) |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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c DO J=1,sNy |
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c DO I=1,sNx |
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c phiTSum = phiTSum + phiTotal(I,J,Nr) |
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c ENDDO |
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c ENDDO |
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c ans = phiTCount |
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C _GLOBAL_SUM_R8( phiTCount, myThid ) |
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c phiTcount = ans |
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c ans = phiTSum |
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C _GLOBAL_SUM_R8( phiTSum, myThid ) |
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c phiTSum = ans |
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C ptotalniv5=phiTSum/phiTCount |
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c ptotalniv5=0. |
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#ifndef OLD_AIM_INTERFACE |
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C_jmc: Because AIM physics LSC is not applied in the stratosphere (top level), |
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C ==> move water wapor from the stratos to the surface level. |
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DO J = 1-Oly, sNy+Oly |
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DO I = 1-Olx, sNx+Olx |
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k = ksurfC(i,j,bi,bj) |
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cEqCh IF (k.LE.Nr) |
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cEqCh& salt(I,J,k,bi,bj) = salt(I,J,k,bi,bj) |
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cEqCh& + salt(I,J,Nr,bi,bj)*drF(Nr)*recip_drF(k) |
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salt(I,J,Nr,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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#endif /* OLD_AIM_INTERFACE */ |
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|
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C Note the mapping here is only valid for one tile per proc. |
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DO K = 1, Nr |
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DO J = 1, sNy |
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DO I = 1, sNx |
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I2 = (sNx)*(J-1)+I |
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Katm = _KD2KA( K ) |
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C - to reproduce old results (coupled run, summer 2000) : |
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UG1(I2,Katm,myThid) = uVel(I,J,K,bi,bj) |
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VG1(I2,Katm,myThid) = vVel(I,J,K,bi,bj) |
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C Physics works with temperature - not potential temp. |
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TG1(I2,Katm,myThid) = theta(I,J,K,bi,bj) |
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& / ((pGround/pSurfs(Katm))**(RD/CPAIR)) |
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#ifdef OLD_AIM_INTERFACE |
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QG1(I2,Katm,myThid) = salt(I,J,K,bi,bj) |
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#else |
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QG1(I2,Katm,myThid) = MAX(salt(I,J,K,bi,bj), 0. _d 0) |
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#endif |
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PHIG1(I2,Katm,myThid) = gravity*Hinitial(Katm) |
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c & +(phiTotal(I,J,K)- ptotalniv5 ) |
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IF (maskC(i,j,k,bi,bj).EQ.1.) THEN |
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RHOG1(I2,Katm) = pSurfs(Katm)/RD/TG1(I2,Katm,myThid) |
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ELSE |
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RHOG1(I2,Katm)=0. |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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c---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C_jmc: add square of surface wind speed (center of C grid) = 2 * KE_surf |
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DO J = 1, sNy |
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DO I = 1, sNx |
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I2 = I+(J-1)*sNx |
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#ifdef OLD_AIM_INTERFACE |
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C - to reproduce old results (coupled run, summer 2000) : |
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Vsurfsq(I2,myThid) = 0. |
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IF (NLEVxyU(I2,myThid).GT.0) |
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& Vsurfsq(I2,myThid) = Vsurfsq(I2,myThid) |
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& +UG1(I2,NLEVxyU(I2,myThid),myThid) |
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& *UG1(I2,NLEVxyU(I2,myThid),myThid) |
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IF (NLEVxyV(I2,myThid).GT.0) |
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& Vsurfsq(I2,myThid) = Vsurfsq(I2,myThid) |
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& +VG1(I2,NLEVxyV(I2,myThid),myThid) |
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& *VG1(I2,NLEVxyV(I2,myThid),myThid) |
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#else /* OLD_AIM_INTERFACE */ |
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K = ksurfC(i,j,bi,bj) |
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IF (K.LE.Nr) THEN |
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Vsurfsq(I2,myThid) = 0.5 * ( |
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& uVel(I,J,K,bi,bj)*uVel(I,J,K,bi,bj) |
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& + uVel(I+1,J,K,bi,bj)*uVel(I+1,J,K,bi,bj) |
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& + vVel(I,J,K,bi,bj)*vVel(I,J,K,bi,bj) |
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& + vVel(I,J+1,K,bi,bj)*vVel(I,J+1,K,bi,bj) |
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& ) |
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ELSE |
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Vsurfsq(I2,myThid) = 0. |
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ENDIF |
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#endif /* OLD_AIM_INTERFACE */ |
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ENDDO |
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ENDDO |
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c---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C |
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C Set geopotential surfaces |
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C ------------------------- |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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IF ( Nlevxy(I2,myThid) .NE. 0 ) THEN |
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PHI0(I2,myThid) = gravity*Hinitialw(Nlevxy(I2,myThid)) |
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ELSE |
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PHI0(I2,myThid) = 0. |
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ENDIF |
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ENDDO |
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ENDDO |
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|
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C |
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C Physics package works with log of surface pressure |
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C Get surface pressure from pbot-dpref/dz*Z' |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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IF ( Nlevxy(I2,myThid) .NE. 0 ) THEN |
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PNLEVW(I2,myThid) = PsurfW(Nlevxy(I2,myThid))/pGround |
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ELSE |
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C Dummy value for land |
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PNLEVW(I2,myThid) = PsurfW(Nr)/pGround |
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ENDIF |
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PSLG1(I2,myThid) = 0. |
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ENDDO |
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ENDDO |
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C |
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C |
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C Physics package needs to know time of year as a fraction |
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tYear = currentTime/(86400.*360.) - |
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& FLOAT(INT(currentTime/(86400.*360.))) |
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C_EqCh: Fix solar insolation with Sun directly overhead on Equator |
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tYear = 0.25 _d 0 |
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|
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C |
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C Load external data needed by physics package |
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C 1. Albedo (between 0-1) |
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C 2. Soil moisture (between 0-1) |
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C 3. Surface temperatures (in situ Temp. [K]) |
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C 4. Snow depth - assume no snow for now |
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C 5. Sea ice - assume no sea ice for now |
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C 6. Land sea mask - infer from exact zeros in soil moisture dataset |
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C 7. Surface geopotential - to be done when orography is in |
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C dynamical kernel. Assume 0. for now. |
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|
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C Load in surface albedo data (in [0,1]) from aim_albedo to alb0 : |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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alb0(I2,myThid) = 0. |
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cEqCh alb0(I2,myThid) = aim_albedo(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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C Load in surface temperature data from aim_surfTemp to stl1 & sst1 : |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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sst1(I2,myThid) = 300. |
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stl1(I2,myThid) = 300. |
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cEqCh sst1(I2,myThid) = aim_surfTemp(I,J,bi,bj) |
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cEqCh stl1(I2,myThid) = aim_surfTemp(I,J,bi,bj) |
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sst1(I2,myThid) = 300. |
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& +10. _d 0 *exp( -((float(I)-64.5 _d 0)/25. _d 0)**2 ) |
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& +10. _d 0 *exp( -((float(J)-12.5 _d 0)/25. _d 0)**2 ) |
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stl1(I2,myThid) = sst1(I2,myThid) |
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ENDDO |
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ENDDO |
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C |
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C Load in soil moisture data (in [0,1]) from aim_soilMoisture to soilq1 : |
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C??? NOT CLEAR scale for bucket depth of 75mm which is what Franco uses. |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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soilq1(I2,myThid) = 0. |
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cEqCh soilq1(I2,myThid) = aim_soilMoisture(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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C Set snow depth, sea ice to zero for now |
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C Land-sea mask ( figure this out from where |
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C soil moisture is exactly zero ). |
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DO J=1,sNy |
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DO I=1,sNx |
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I2 = (sNx)*(J-1)+I |
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fMask1(I2,myThid) = 1. |
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IF ( soilq1(I2,myThid) .EQ. 0. ) fMask1(I2,myThid) = 0. |
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oice1(I2,myThid) = 0. |
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snow1(I2,myThid) = 0. |
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ENDDO |
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ENDDO |
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C open(77,file='lsmask',form='unformatted') |
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C write(77) fmask1 |
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C close(77) |
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|
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C Addition may 15 . Reset humidity to 0. if negative |
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C --------------------------------------------------- |
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#ifdef OLD_AIM_INTERFACE |
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DO K=1,Nr |
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DO J=1-OLy,sNy+OLy |
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DO I=1-Olx,sNx+OLx |
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IF ( salt(i,j,k,bi,bj) .LT. 0. .OR. K .EQ. Nr ) THEN |
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salt(i,j,k,bi,bj) = 0. |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* OLD_AIM_INTERFACE */ |
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|
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CALL PDRIVER( tYear, myThid ) |
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|
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#ifdef ALLOW_TIMEAVE |
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C Calculate diagnostics for AIM |
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CALL AIM_CALC_DIAGS( bi, bj, currentTime, myThid ) |
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#endif /* ALLOW_TIMEAVE */ |
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|
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CALL AIM_AIM2DYN( bi, bj, currentTime, myThid ) |
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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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