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jmc |
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C $Header: $ |
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C $Name: $ |
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#include "AIM_OPTIONS.h" |
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SUBROUTINE AIM_DO_PHYSICS( bi, bj, myTime, myIter, myThid ) |
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C *==================================================================* |
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C | S/R AIM_DO_PHYSICS |
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C *==================================================================* |
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C | Interface between atmospheric physics package and the |
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C | dynamical model. |
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C | Routine calls physics pacakge after setting surface BC. |
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C | 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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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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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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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_forcing.h" |
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C == Routine arguments == |
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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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INTEGER bi, bj, myIter, myThid |
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_RL myTime |
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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 Katm - Atmospheric K index |
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INTEGER I,J,K,I2 |
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c INTEGER Katm |
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_RL tYear, yearLength |
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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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IF (k.LE.Nr) |
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& salt(i,j,k,bi,bj) = salt(i,j,k,bi,bj) |
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& + salt(i,j,Nr,bi,bj)*drF(Nr)*recip_drF(k) |
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& *hFacC(i,j,Nr,bi,bj)*recip_hFacC(i,j,k,bi,bj) |
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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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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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c CALL FORDATE |
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C- extract parts of S/R FORDATE from Franco Molteni Physics : |
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C- Physics package needs to know time of year as a fraction |
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yearLength = 86400.*360. |
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tYear = mod(myTime/yearLength, 1. _d 0) |
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c tYear = myTime/(86400.*360.) - |
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c & FLOAT(INT(myTime/(86400.*360.))) |
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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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C Load in surface albedo data (in [0,1]) from aim_albedo to alb1 : |
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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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alb1(I2,myThid) = 0. |
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alb1(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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sst1(I2,myThid) = aim_surfTemp(I,J,bi,bj) |
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stl1(I2,myThid) = aim_surfTemp(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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C Load in soil water availability (in [0,1]) from aim_soilWater to soilw1 : |
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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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soilw1(I2,myThid) = 0. |
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soilw1(I2,myThid) = aim_soilWater(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 ( soilw1(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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C-- Set surface geopotential: (g * orographic height) |
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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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PHI0(I2) = gravity*topoZ(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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C-- Set topographic dependent FOROG var (originally in common SFLFIX); |
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C used to compute for wind stress over land |
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c_FM IF (IDAY.EQ.0) THEN |
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c_FM CALL SFLSET (PHIS0) |
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CALL SFLSET (PHI0, fOrogr(1,myThid), bi,bj,myThid) |
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c_FM ENDIF |
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c_FM CALL SOL_OZ (SOLC,TYEAR) |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C- Compute atmospheric-physics tendencies (call the main AIM S/R) |
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CALL PHY_DRIVER( tYear, myTime, myIter, bi, bj, myThid ) |
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C- AIM diagnostics : write snap-shot & cumulate for TimeAve output |
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CALL AIM_DIAGNOSTICS( bi, bj, myTime, myIter, myThid ) |
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CALL AIM_AIM2DYN( bi, bj, myTime, myIter, myThid ) |
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#endif /* ALLOW_AIM */ |
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RETURN |
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END |
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