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C $Header: /u/gcmpack/MITgcm_contrib/bbl/code/bbl_calc_rho.F,v 1.1 2011/03/06 02:11:05 dimitri Exp $ |
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C $Name: $ |
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|
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#include "BBL_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: BBL_CALC_RHO |
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C !INTERFACE: |
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SUBROUTINE BBL_CALC_RHO( |
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I tFld, sFld, |
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O rhoLoc, |
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I k, 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 BBL_CALC_RHO |
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C | o Calculates [rho(S,T,z)-rhoConst] of a 2-D slice |
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C | filling land-points with BBL density. |
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C | Top cell to kLowC computes rhoLoc at level k |
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C | based on tFld(k) and sFld(k). |
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C | kLowC+1 to Nr+1 computes rhoLoc at level k-1 |
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C | based on bbl_theta and bbl_salt. |
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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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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "BBL.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 tFld :: Pot.Temperature (3-D array) |
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C sFld :: Salinity (3-D array) |
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C rhoLoc :: In-situ density [kg/m3] (2-D array) computed at z=rC ; |
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C k :: current vertical index |
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C bi,bj :: Tile indices |
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C myTime :: Current time in simulation |
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C myIter :: Current time-step number |
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C myThid :: my Thread Id number |
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_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL rhoLoc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1,nSx,nSy) |
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INTEGER k, 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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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf :: Informational/error message buffer |
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c CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RL rBBL (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER i,j,kl |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C- Compute rhoLoc at level k based on tFld(k) and sFld(k). |
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CALL FIND_RHO_2D( |
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I 1-OLx, sNx+OLx, 1-OLy, sNy+OLy, k, |
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I tFld(1-OLx,1-OLy,k,bi,bj), |
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I sFld(1-OLx,1-OLy,k,bi,bj), |
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O rhoLoc(1-OLx,1-OLy,k,bi,bj), |
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I k, bi, bj, myThid ) |
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|
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C- Compute rBBL at level k-1 based on bbl_theta and bbl_salt. |
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kl = MAX(k-1,1) |
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CALL FIND_RHO_2D( |
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I 1-OLx, sNx+OLx, 1-OLy, sNy+OLy, kl, |
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I bbl_theta, |
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I bbl_salt, |
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O rBBL, |
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I kl, bi, bj, myThid ) |
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|
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C- For k > kLowC replace rhoLoc with rBBL |
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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 ( k .GT. kLowC(i,j,bi,bj) ) |
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& rhoLoc(i,j,k,bi,bj) = rBBL(i,j) |
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ENDDO |
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ENDDO |
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|
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C- Compute rhoLoc at level Nr based on bbl_theta and bbl_salt. |
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IF ( k .EQ. Nr ) THEN |
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kl = Nr + 1 |
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CALL FIND_RHO_2D( |
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I 1-OLx, sNx+OLx, 1-OLy, sNy+OLy, Nr, |
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I bbl_theta, |
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I bbl_salt, |
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O rhoLoc(1-OLx,1-OLy,kl,bi,bj), |
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I Nr, bi, bj, myThid ) |
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ENDIF |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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RETURN |
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END |
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