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C $Header: /u/gcmpack/MITgcm/pkg/generic_advdiff/gad_som_advect.F,v 1.9 2011/06/06 15:44:00 jmc Exp $ |
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C $Name: $ |
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|
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#include "GAD_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: GAD_SOM_ADVECT |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE GAD_SOM_ADVECT( |
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I implicitAdvection, advectionScheme, vertAdvecScheme, |
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I tracerIdentity, deltaTLev, |
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I uVel, vVel, wVel, tracer, |
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U smTr, |
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O gTracer, |
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I bi,bj, myTime,myIter,myThid) |
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|
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C !DESCRIPTION: |
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C Calculates the tendency of a tracer due to advection. |
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C It uses the 2nd-Order moment advection scheme with multi-dimensional method |
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C see Prather, 1986, JGR, v.91, D-6, pp.6671-6681. |
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C |
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C The tendency (output) is over-written by this routine. |
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|
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C !USES: =============================================================== |
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IMPLICIT NONE |
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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 "GAD.h" |
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#ifdef ALLOW_EXCH2 |
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#include "W2_EXCH2_SIZE.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#endif /* ALLOW_EXCH2 */ |
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|
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C !INPUT PARAMETERS: =================================================== |
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C implicitAdvection :: implicit vertical advection (later on) |
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C advectionScheme :: advection scheme to use (Horizontal plane) |
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C vertAdvecScheme :: advection scheme to use (vertical direction) |
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C tracerIdentity :: tracer identifier (required only for OBCS) |
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C uVel :: velocity, zonal component |
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C vVel :: velocity, meridional component |
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C wVel :: velocity, vertical component |
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C tracer :: tracer field |
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C bi,bj :: tile indices |
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C myTime :: current time |
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C myIter :: iteration number |
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C myThid :: thread number |
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LOGICAL implicitAdvection |
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INTEGER advectionScheme, vertAdvecScheme |
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INTEGER tracerIdentity |
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_RL deltaTLev(Nr) |
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_RL uVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL vVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER bi,bj |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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|
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C !OUTPUT PARAMETERS: ================================================== |
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C smTr :: tracer 1rst & 2nd Order moments |
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C gTracer :: tendency array |
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_RL smTr (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,nSOM) |
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_RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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|
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C !LOCAL VARIABLES: ==================================================== |
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C maskUp :: 2-D array mask for W points |
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C i,j,k :: loop indices |
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C kUp :: index into 2 1/2D array, toggles between 1 and 2 |
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C kDown :: index into 2 1/2D array, toggles between 2 and 1 |
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C xA,yA :: areas of X and Y face of tracer cells |
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C uFld,vFld :: 2-D local copy of horizontal velocity, U,V components |
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C wFld :: 2-D local copy of vertical velocity |
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C uTrans,vTrans :: 2-D arrays of volume transports at U,V points |
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C rTrans :: 2-D arrays of volume transports at W points |
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C afx :: 2-D array for horizontal advective flux, x direction |
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C afy :: 2-D array for horizontal advective flux, y direction |
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C afr :: 2-D array for vertical advective flux |
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C fVerT :: 2 1/2D arrays for vertical advective flux |
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C calc_fluxes_X :: logical to indicate to calculate fluxes in X dir |
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C calc_fluxes_Y :: logical to indicate to calculate fluxes in Y dir |
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C interiorOnly :: only update the interior of myTile, but not the edges |
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C overlapOnly :: only update the edges of myTile, but not the interior |
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C npass :: number of passes in multi-dimensional method |
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C ipass :: number of the current pass being made |
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C myTile :: variables used to determine which cube face |
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C nCFace :: owns a tile for cube grid runs using |
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C :: multi-dim advection. |
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C [N,S,E,W]_edge :: true if N,S,E,W edge of myTile is an Edge of the cube |
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C msgBuf :: Informational/error meesage buffer |
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_RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER i,j,k,km1,kUp,kDown |
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_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL afx (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL afy (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL afr (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL smVol (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL smTr0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL alp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL aln (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_v (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_v (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_o (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_o (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_x (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_x (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_y (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_y (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_z (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_z (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_xx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_xx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_yy (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_yy (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_zz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_zz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_xy (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_xy (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_xz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_xz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fp_yz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL fn_yz (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL smCorners(OLx,OLy,4,-1:nSOM) |
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c _RL localTr |
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LOGICAL calc_fluxes_X, calc_fluxes_Y |
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LOGICAL interiorOnly, overlapOnly |
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INTEGER limiter |
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INTEGER npass, ipass |
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INTEGER nCFace, n |
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LOGICAL N_edge, S_edge, E_edge, W_edge |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_EXCH2 |
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INTEGER myTile |
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#endif |
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#ifdef ALLOW_DIAGNOSTICS |
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CHARACTER*8 diagName |
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CHARACTER*4 diagSufx |
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LOGICAL doDiagAdvX, doDiagAdvY, doDiagAdvR |
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C- Functions: |
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CHARACTER*4 GAD_DIAG_SUFX |
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EXTERNAL GAD_DIAG_SUFX |
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LOGICAL DIAGNOSTICS_IS_ON |
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EXTERNAL DIAGNOSTICS_IS_ON |
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#endif |
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CEOP |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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C-- Set diagnostics flags and suffix for the current tracer |
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doDiagAdvX = .FALSE. |
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doDiagAdvY = .FALSE. |
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doDiagAdvR = .FALSE. |
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IF ( useDiagnostics ) THEN |
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diagSufx = GAD_DIAG_SUFX( tracerIdentity, myThid ) |
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diagName = 'ADVx'//diagSufx |
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doDiagAdvX = DIAGNOSTICS_IS_ON( diagName, myThid ) |
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diagName = 'ADVy'//diagSufx |
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doDiagAdvY = DIAGNOSTICS_IS_ON( diagName, myThid ) |
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diagName = 'ADVr'//diagSufx |
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doDiagAdvR = DIAGNOSTICS_IS_ON( diagName, myThid ) |
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ENDIF |
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#endif |
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|
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C-- Set up work arrays with valid (i.e. not NaN) values |
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C These inital values do not alter the numerical results. They |
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C just ensure that all memory references are to valid floating |
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C point numbers. This prevents spurious hardware signals due to |
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C uninitialised but inert locations. |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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afx(i,j) = 0. |
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afy(i,j) = 0. |
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C- xA,yA,uFld,vFld,uTrans,vTrans are set over the full domain |
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C in CALC_COMMON_FACTORS: no need for extra initialisation |
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c xA(i,j) = 0. _d 0 |
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c yA(i,j) = 0. _d 0 |
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c uTrans(i,j) = 0. _d 0 |
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c vTrans(i,j) = 0. _d 0 |
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C- rTrans is set over the full domain: no need for extra initialisation |
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c rTrans(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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DO n=-1,nSOM |
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DO k=1,4 |
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DO j=1,OLy |
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DO i=1,OLx |
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smCorners(i,j,k,n) = 0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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IF ( implicitAdvection ) THEN |
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WRITE(msgBuf,'(2A)') 'S/R GAD_SOM_ADVECT: ', |
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& 'not coded for implicit-vertical Advection' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R GAD_SOM_ADVECT' |
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ENDIF |
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IF ( vertAdvecScheme .NE. advectionScheme ) THEN |
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WRITE(msgBuf,'(2A)') 'S/R GAD_SOM_ADVECT: ', |
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& 'not coded for different vertAdvecScheme' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R GAD_SOM_ADVECT' |
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ENDIF |
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|
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C-- Set tile-specific parameters for horizontal fluxes |
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IF (useCubedSphereExchange) THEN |
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npass = 3 |
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#ifdef ALLOW_EXCH2 |
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myTile = W2_myTileList(bi,bj) |
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nCFace = exch2_myFace(myTile) |
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N_edge = exch2_isNedge(myTile).EQ.1 |
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S_edge = exch2_isSedge(myTile).EQ.1 |
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E_edge = exch2_isEedge(myTile).EQ.1 |
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W_edge = exch2_isWedge(myTile).EQ.1 |
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#else |
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nCFace = bi |
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N_edge = .TRUE. |
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S_edge = .TRUE. |
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E_edge = .TRUE. |
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W_edge = .TRUE. |
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#endif |
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ELSE |
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npass = 2 |
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nCFace = 0 |
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N_edge = .FALSE. |
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S_edge = .FALSE. |
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E_edge = .FALSE. |
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W_edge = .FALSE. |
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ENDIF |
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|
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limiter = MOD(advectionScheme, 10) |
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|
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C-- Start of k loop for horizontal fluxes |
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DO k=1,Nr |
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|
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C-- Get temporary terms used by tendency routines |
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CALL CALC_COMMON_FACTORS ( |
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I uVel, vVel, |
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O uFld, vFld, uTrans, vTrans, xA, yA, |
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I k,bi,bj, myThid ) |
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|
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#ifdef ALLOW_GMREDI |
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C-- Residual transp = Bolus transp + Eulerian transp |
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IF (useGMRedi) |
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& CALL GMREDI_CALC_UVFLOW( |
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U uFld, vFld, uTrans, vTrans, |
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I k, bi, bj, myThid ) |
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#endif /* ALLOW_GMREDI */ |
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|
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C-- grid-box volume and tracer content (zero order moment) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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smVol(i,j,k) = rA(i,j,bi,bj)*deepFac2C(k) |
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& *drF(k)*hFacC(i,j,k,bi,bj) |
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& *rhoFacC(k) |
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smTr0(i,j,k) = tracer(i,j,k,bi,bj)*smVol(i,j,k) |
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C- fill empty grid-box: |
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smVol(i,j,k) = smVol(i,j,k) |
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& + (1. _d 0 - maskC(i,j,k,bi,bj)) |
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ENDDO |
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ENDDO |
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|
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C-- Multiple passes for different directions on different tiles |
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C-- For cube need one pass for each of red, green and blue axes. |
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DO ipass=1,npass |
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|
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interiorOnly = .FALSE. |
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overlapOnly = .FALSE. |
| 280 |
IF (useCubedSphereExchange) THEN |
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C- CubedSphere : pass 3 times, with partial update of local tracer field |
| 282 |
IF (ipass.EQ.1) THEN |
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overlapOnly = MOD(nCFace,3).EQ.0 |
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interiorOnly = MOD(nCFace,3).NE.0 |
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calc_fluxes_X = nCFace.EQ.6 .OR. nCFace.EQ.1 .OR. nCFace.EQ.2 |
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calc_fluxes_Y = nCFace.EQ.3 .OR. nCFace.EQ.4 .OR. nCFace.EQ.5 |
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ELSEIF (ipass.EQ.2) THEN |
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overlapOnly = MOD(nCFace,3).EQ.2 |
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interiorOnly = MOD(nCFace,3).EQ.1 |
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calc_fluxes_X = nCFace.EQ.2 .OR. nCFace.EQ.3 .OR. nCFace.EQ.4 |
| 291 |
calc_fluxes_Y = nCFace.EQ.5 .OR. nCFace.EQ.6 .OR. nCFace.EQ.1 |
| 292 |
ELSE |
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interiorOnly = .TRUE. |
| 294 |
calc_fluxes_X = nCFace.EQ.5 .OR. nCFace.EQ.6 |
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calc_fluxes_Y = nCFace.EQ.2 .OR. nCFace.EQ.3 |
| 296 |
ENDIF |
| 297 |
ELSE |
| 298 |
C- not CubedSphere |
| 299 |
calc_fluxes_X = MOD(ipass,2).EQ.1 |
| 300 |
calc_fluxes_Y = .NOT.calc_fluxes_X |
| 301 |
ENDIF |
| 302 |
|
| 303 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 304 |
|
| 305 |
C-- X direction |
| 306 |
C- Do not compute fluxes if |
| 307 |
C a) needed in overlap only |
| 308 |
C and b) the overlap of myTile are not cube-face Edges |
| 309 |
IF ( calc_fluxes_X .AND. |
| 310 |
& (.NOT.overlapOnly .OR. N_edge .OR. S_edge) |
| 311 |
& ) THEN |
| 312 |
|
| 313 |
C- Internal exchange for calculations in X |
| 314 |
IF ( useCubedSphereExchange .AND. .NOT.interiorOnly ) THEN |
| 315 |
CALL GAD_SOM_PREP_CS_CORNER( |
| 316 |
U smVol, smTr0, smTr, smCorners, |
| 317 |
I .TRUE., overlapOnly, interiorOnly, |
| 318 |
I N_edge, S_edge, E_edge, W_edge, |
| 319 |
I ipass, k, Nr, bi, bj, myThid ) |
| 320 |
ENDIF |
| 321 |
|
| 322 |
C- Solve advection in X and update moments |
| 323 |
IF ( advectionScheme.EQ.ENUM_SOM_PRATHER |
| 324 |
& .OR. advectionScheme.EQ.ENUM_SOM_LIMITER ) THEN |
| 325 |
CALL GAD_SOM_ADV_X( |
| 326 |
I bi,bj,k, limiter, |
| 327 |
I overlapOnly, interiorOnly, |
| 328 |
I N_edge, S_edge, E_edge, W_edge, |
| 329 |
I deltaTLev(k), uTrans, |
| 330 |
I maskInC(1-OLx,1-OLy,bi,bj), |
| 331 |
U smVol(1-OLx,1-OLy,k), |
| 332 |
U smTr0(1-OLx,1-OLy,k), |
| 333 |
U smTr(1-OLx,1-OLy,k,bi,bj,1), |
| 334 |
U smTr(1-OLx,1-OLy,k,bi,bj,2), |
| 335 |
U smTr(1-OLx,1-OLy,k,bi,bj,3), |
| 336 |
U smTr(1-OLx,1-OLy,k,bi,bj,4), |
| 337 |
U smTr(1-OLx,1-OLy,k,bi,bj,5), |
| 338 |
U smTr(1-OLx,1-OLy,k,bi,bj,6), |
| 339 |
U smTr(1-OLx,1-OLy,k,bi,bj,7), |
| 340 |
U smTr(1-OLx,1-OLy,k,bi,bj,8), |
| 341 |
U smTr(1-OLx,1-OLy,k,bi,bj,9), |
| 342 |
O afx, myThid ) |
| 343 |
ELSE |
| 344 |
STOP 'GAD_SOM_ADVECT: adv. scheme incompatibale with SOM' |
| 345 |
ENDIF |
| 346 |
|
| 347 |
C-- End of X direction |
| 348 |
ENDIF |
| 349 |
|
| 350 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 351 |
|
| 352 |
C-- Y direction |
| 353 |
C- Do not compute fluxes if |
| 354 |
C a) needed in overlap only |
| 355 |
C and b) the overlap of myTile are not cube-face edges |
| 356 |
IF ( calc_fluxes_Y .AND. |
| 357 |
& (.NOT.overlapOnly .OR. E_edge .OR. W_edge) |
| 358 |
& ) THEN |
| 359 |
|
| 360 |
C- Internal exchange for calculations in Y |
| 361 |
IF ( useCubedSphereExchange .AND. .NOT.interiorOnly ) THEN |
| 362 |
CALL GAD_SOM_PREP_CS_CORNER( |
| 363 |
U smVol, smTr0, smTr, smCorners, |
| 364 |
I .FALSE., overlapOnly, interiorOnly, |
| 365 |
I N_edge, S_edge, E_edge, W_edge, |
| 366 |
I iPass, k, Nr, bi, bj, myThid ) |
| 367 |
ENDIF |
| 368 |
|
| 369 |
C- Solve advection in Y and update moments |
| 370 |
IF ( advectionScheme.EQ.ENUM_SOM_PRATHER |
| 371 |
& .OR. advectionScheme.EQ.ENUM_SOM_LIMITER ) THEN |
| 372 |
CALL GAD_SOM_ADV_Y( |
| 373 |
I bi,bj,k, limiter, |
| 374 |
I overlapOnly, interiorOnly, |
| 375 |
I N_edge, S_edge, E_edge, W_edge, |
| 376 |
I deltaTLev(k), vTrans, |
| 377 |
I maskInC(1-OLx,1-OLy,bi,bj), |
| 378 |
U smVol(1-OLx,1-OLy,k), |
| 379 |
U smTr0(1-OLx,1-OLy,k), |
| 380 |
U smTr(1-OLx,1-OLy,k,bi,bj,1), |
| 381 |
U smTr(1-OLx,1-OLy,k,bi,bj,2), |
| 382 |
U smTr(1-OLx,1-OLy,k,bi,bj,3), |
| 383 |
U smTr(1-OLx,1-OLy,k,bi,bj,4), |
| 384 |
U smTr(1-OLx,1-OLy,k,bi,bj,5), |
| 385 |
U smTr(1-OLx,1-OLy,k,bi,bj,6), |
| 386 |
U smTr(1-OLx,1-OLy,k,bi,bj,7), |
| 387 |
U smTr(1-OLx,1-OLy,k,bi,bj,8), |
| 388 |
U smTr(1-OLx,1-OLy,k,bi,bj,9), |
| 389 |
O afy, myThid ) |
| 390 |
ELSE |
| 391 |
STOP 'GAD_SOM_ADVECT: adv. scheme incompatibale with SOM' |
| 392 |
ENDIF |
| 393 |
|
| 394 |
C-- End of Y direction |
| 395 |
ENDIF |
| 396 |
|
| 397 |
C-- End of ipass loop |
| 398 |
ENDDO |
| 399 |
|
| 400 |
IF ( implicitAdvection ) THEN |
| 401 |
C- explicit advection is done ; store tendency in gTracer: |
| 402 |
DO j=1-OLy,sNy+OLy |
| 403 |
DO i=1-OLx,sNx+OLx |
| 404 |
C-- without rescaling of tendencies: |
| 405 |
c localTr = smTr0(i,j,k)/smVol(i,j,k) |
| 406 |
c gTracer(i,j,k,bi,bj) = ( localTr - tracer(i,j,k,bi,bj) ) |
| 407 |
c & / deltaTLev(k) |
| 408 |
C-- consistent with rescaling of tendencies (in FREESURF_RESCALE_G): |
| 409 |
gTracer(i,j,k,bi,bj) = |
| 410 |
& ( smTr0(i,j,k) - tracer(i,j,k,bi,bj)*smVol(i,j,k) ) |
| 411 |
& *recip_rA(i,j,bi,bj)*recip_deepFac2C(k) |
| 412 |
& *recip_drF(k)*_recip_hFacC(i,j,k,bi,bj) |
| 413 |
& *recip_rhoFacC(k) |
| 414 |
& /deltaTLev(k) |
| 415 |
ENDDO |
| 416 |
ENDDO |
| 417 |
ENDIF |
| 418 |
|
| 419 |
#ifdef ALLOW_DIAGNOSTICS |
| 420 |
IF ( doDiagAdvX ) THEN |
| 421 |
diagName = 'ADVx'//diagSufx |
| 422 |
CALL DIAGNOSTICS_FILL(afx,diagName, k,1, 2,bi,bj, myThid ) |
| 423 |
ENDIF |
| 424 |
IF ( doDiagAdvY ) THEN |
| 425 |
diagName = 'ADVy'//diagSufx |
| 426 |
CALL DIAGNOSTICS_FILL(afy,diagName, k,1, 2,bi,bj, myThid ) |
| 427 |
ENDIF |
| 428 |
#endif |
| 429 |
|
| 430 |
#ifdef ALLOW_DEBUG |
| 431 |
IF ( debugLevel .GE. debLevC |
| 432 |
& .AND. tracerIdentity.EQ.GAD_TEMPERATURE |
| 433 |
& .AND. k.LE.3 .AND. myIter.EQ.1+nIter0 |
| 434 |
& .AND. nPx.EQ.1 .AND. nPy.EQ.1 |
| 435 |
& .AND. useCubedSphereExchange ) THEN |
| 436 |
CALL DEBUG_CS_CORNER_UV( ' afx,afy from GAD_SOM_ADVECT', |
| 437 |
& afx,afy, k, standardMessageUnit,bi,bj,myThid ) |
| 438 |
ENDIF |
| 439 |
#endif /* ALLOW_DEBUG */ |
| 440 |
|
| 441 |
C-- End of K loop for horizontal fluxes |
| 442 |
ENDDO |
| 443 |
|
| 444 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 445 |
|
| 446 |
IF ( .NOT.implicitAdvection ) THEN |
| 447 |
C-- Apply limiter (if any): |
| 448 |
CALL GAD_SOM_LIM_R( bi,bj, limiter, |
| 449 |
U smVol, |
| 450 |
U smTr0, |
| 451 |
U smTr(1-OLx,1-OLy,1,bi,bj,1), |
| 452 |
U smTr(1-OLx,1-OLy,1,bi,bj,2), |
| 453 |
U smTr(1-OLx,1-OLy,1,bi,bj,3), |
| 454 |
U smTr(1-OLx,1-OLy,1,bi,bj,4), |
| 455 |
U smTr(1-OLx,1-OLy,1,bi,bj,5), |
| 456 |
U smTr(1-OLx,1-OLy,1,bi,bj,6), |
| 457 |
U smTr(1-OLx,1-OLy,1,bi,bj,7), |
| 458 |
U smTr(1-OLx,1-OLy,1,bi,bj,8), |
| 459 |
U smTr(1-OLx,1-OLy,1,bi,bj,9), |
| 460 |
I myThid ) |
| 461 |
|
| 462 |
C-- Start of k loop for vertical flux |
| 463 |
DO k=Nr,1,-1 |
| 464 |
C-- kUp Cycles through 1,2 to point to w-layer above |
| 465 |
C-- kDown Cycles through 2,1 to point to w-layer below |
| 466 |
kUp = 1+MOD(Nr-k,2) |
| 467 |
kDown= 1+MOD(Nr-k+1,2) |
| 468 |
IF (k.EQ.Nr) THEN |
| 469 |
C-- Set advective fluxes at the very bottom: |
| 470 |
DO j=1-OLy,sNy+OLy |
| 471 |
DO i=1-OLx,sNx+OLx |
| 472 |
alp (i,j,kDown) = 0. _d 0 |
| 473 |
aln (i,j,kDown) = 0. _d 0 |
| 474 |
fp_v (i,j,kDown) = 0. _d 0 |
| 475 |
fn_v (i,j,kDown) = 0. _d 0 |
| 476 |
fp_o (i,j,kDown) = 0. _d 0 |
| 477 |
fn_o (i,j,kDown) = 0. _d 0 |
| 478 |
fp_x (i,j,kDown) = 0. _d 0 |
| 479 |
fn_x (i,j,kDown) = 0. _d 0 |
| 480 |
fp_y (i,j,kDown) = 0. _d 0 |
| 481 |
fn_y (i,j,kDown) = 0. _d 0 |
| 482 |
fp_z (i,j,kDown) = 0. _d 0 |
| 483 |
fn_z (i,j,kDown) = 0. _d 0 |
| 484 |
fp_xx(i,j,kDown) = 0. _d 0 |
| 485 |
fn_xx(i,j,kDown) = 0. _d 0 |
| 486 |
fp_yy(i,j,kDown) = 0. _d 0 |
| 487 |
fn_yy(i,j,kDown) = 0. _d 0 |
| 488 |
fp_zz(i,j,kDown) = 0. _d 0 |
| 489 |
fn_zz(i,j,kDown) = 0. _d 0 |
| 490 |
fp_xy(i,j,kDown) = 0. _d 0 |
| 491 |
fn_xy(i,j,kDown) = 0. _d 0 |
| 492 |
fp_xz(i,j,kDown) = 0. _d 0 |
| 493 |
fn_xz(i,j,kDown) = 0. _d 0 |
| 494 |
fp_yz(i,j,kDown) = 0. _d 0 |
| 495 |
fn_yz(i,j,kDown) = 0. _d 0 |
| 496 |
ENDDO |
| 497 |
ENDDO |
| 498 |
ENDIF |
| 499 |
|
| 500 |
C-- Compute Vertical transport |
| 501 |
#ifdef ALLOW_AIM |
| 502 |
C- a hack to prevent Water-Vapor vert.transport into the stratospheric level Nr |
| 503 |
c IF ( k.EQ.1 .OR. |
| 504 |
c & (useAIM .AND. tracerIdentity.EQ.GAD_SALINITY .AND. k.EQ.Nr) |
| 505 |
c & ) THEN |
| 506 |
#else |
| 507 |
c IF ( k.EQ.1 ) THEN |
| 508 |
#endif |
| 509 |
IF ( (rigidLid.OR.nonlinFreeSurf.GE.1) .AND. k.EQ.1 ) THEN |
| 510 |
C- Surface interface : |
| 511 |
DO j=1-OLy,sNy+OLy |
| 512 |
DO i=1-OLx,sNx+OLx |
| 513 |
wFld(i,j) = 0. |
| 514 |
rTrans(i,j) = 0. |
| 515 |
maskUp(i,j) = 0. |
| 516 |
ENDDO |
| 517 |
ENDDO |
| 518 |
|
| 519 |
ELSEIF ( rigidLid.OR.nonlinFreeSurf.GE.1 ) THEN |
| 520 |
C- Interior interface : |
| 521 |
DO j=1-OLy,sNy+OLy |
| 522 |
DO i=1-OLx,sNx+OLx |
| 523 |
wFld(i,j) = wVel(i,j,k,bi,bj) |
| 524 |
rTrans(i,j) = wVel(i,j,k,bi,bj)*rA(i,j,bi,bj) |
| 525 |
& *deepFac2F(k)*rhoFacF(k) |
| 526 |
& *maskC(i,j,k-1,bi,bj) |
| 527 |
maskUp(i,j) = 1. |
| 528 |
ENDDO |
| 529 |
ENDDO |
| 530 |
|
| 531 |
ELSE |
| 532 |
C- Linear Free-Surface: do not mask rTrans : |
| 533 |
km1= MAX(k-1,1) |
| 534 |
DO j=1-OLy,sNy+OLy |
| 535 |
DO i=1-OLx,sNx+OLx |
| 536 |
wFld(i,j) = wVel(i,j,k,bi,bj) |
| 537 |
rTrans(i,j) = wVel(i,j,k,bi,bj)*rA(i,j,bi,bj) |
| 538 |
& *deepFac2F(k)*rhoFacF(k) |
| 539 |
maskUp(i,j) = maskC(i,j,km1,bi,bj)*maskC(i,j,k,bi,bj) |
| 540 |
ENDDO |
| 541 |
ENDDO |
| 542 |
|
| 543 |
C- end Surface/Interior if bloc |
| 544 |
ENDIF |
| 545 |
|
| 546 |
#ifdef ALLOW_GMREDI |
| 547 |
C-- Residual transp = Bolus transp + Eulerian transp |
| 548 |
IF (useGMRedi .AND. k.GT.1 ) |
| 549 |
& CALL GMREDI_CALC_WFLOW( |
| 550 |
U wFld, rTrans, |
| 551 |
I k, bi, bj, myThid ) |
| 552 |
#endif /* ALLOW_GMREDI */ |
| 553 |
|
| 554 |
C- Compute vertical advective flux in the interior: |
| 555 |
IF ( vertAdvecScheme.EQ.ENUM_SOM_PRATHER |
| 556 |
& .OR. vertAdvecScheme.EQ.ENUM_SOM_LIMITER ) THEN |
| 557 |
CALL GAD_SOM_ADV_R( |
| 558 |
I bi,bj,k, kUp, kDown, |
| 559 |
I deltaTLev(k), rTrans, maskUp, |
| 560 |
I maskInC(1-OLx,1-OLy,bi,bj), |
| 561 |
U smVol, |
| 562 |
U smTr0, |
| 563 |
U smTr(1-OLx,1-OLy,1,bi,bj,1), |
| 564 |
U smTr(1-OLx,1-OLy,1,bi,bj,2), |
| 565 |
U smTr(1-OLx,1-OLy,1,bi,bj,3), |
| 566 |
U smTr(1-OLx,1-OLy,1,bi,bj,4), |
| 567 |
U smTr(1-OLx,1-OLy,1,bi,bj,5), |
| 568 |
U smTr(1-OLx,1-OLy,1,bi,bj,6), |
| 569 |
U smTr(1-OLx,1-OLy,1,bi,bj,7), |
| 570 |
U smTr(1-OLx,1-OLy,1,bi,bj,8), |
| 571 |
U smTr(1-OLx,1-OLy,1,bi,bj,9), |
| 572 |
U alp, aln, fp_v, fn_v, fp_o, fn_o, |
| 573 |
U fp_x, fn_x, fp_y, fn_y, fp_z, fn_z, |
| 574 |
U fp_xx, fn_xx, fp_yy, fn_yy, fp_zz, fn_zz, |
| 575 |
U fp_xy, fn_xy, fp_xz, fn_xz, fp_yz, fn_yz, |
| 576 |
O afr, myThid ) |
| 577 |
ELSE |
| 578 |
STOP 'GAD_SOM_ADVECT: adv. scheme incompatibale with SOM' |
| 579 |
ENDIF |
| 580 |
|
| 581 |
C-- Compute new tracer value and store tracer tendency |
| 582 |
DO j=1-OLy,sNy+OLy |
| 583 |
DO i=1-OLx,sNx+OLx |
| 584 |
C-- without rescaling of tendencies: |
| 585 |
c localTr = smTr0(i,j,k)/smVol(i,j,k) |
| 586 |
c gTracer(i,j,k,bi,bj) = ( localTr - tracer(i,j,k,bi,bj) ) |
| 587 |
c & / deltaTLev(k) |
| 588 |
C-- consistent with rescaling of tendencies (in FREESURF_RESCALE_G): |
| 589 |
gTracer(i,j,k,bi,bj) = |
| 590 |
& ( smTr0(i,j,k) - tracer(i,j,k,bi,bj)*smVol(i,j,k) ) |
| 591 |
& *recip_rA(i,j,bi,bj)*recip_deepFac2C(k) |
| 592 |
& *recip_drF(k)*_recip_hFacC(i,j,k,bi,bj) |
| 593 |
& *recip_rhoFacC(k) |
| 594 |
& /deltaTLev(k) |
| 595 |
ENDDO |
| 596 |
ENDDO |
| 597 |
|
| 598 |
#ifdef ALLOW_DIAGNOSTICS |
| 599 |
IF ( doDiagAdvR ) THEN |
| 600 |
diagName = 'ADVr'//diagSufx |
| 601 |
CALL DIAGNOSTICS_FILL( afr, |
| 602 |
& diagName, k,1, 2,bi,bj, myThid ) |
| 603 |
ENDIF |
| 604 |
#endif |
| 605 |
|
| 606 |
C-- End of k loop for vertical flux |
| 607 |
ENDDO |
| 608 |
C-- end of if not.implicitAdvection block |
| 609 |
ENDIF |
| 610 |
|
| 611 |
RETURN |
| 612 |
END |
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