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heimbach |
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c $Header: /u/gcmpack/development/heimbach/ecco_env/pkg/exf/exf_mapfields.F,v 1.5 2001/02/02 19:43:47 heimbach Exp $ |
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#include "EXF_CPPOPTIONS.h" |
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subroutine exf_MapFields( |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE exf_MapFields |
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c ================================================================== |
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c |
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c o Map the external forcing fields on the ocean model arrays. This |
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c routine is included to separate the ocean state estimation tool |
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c as much as possible from the ocean model. Unit conversion factors |
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c are to be set by the user. |
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c |
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c The units have to be such that the individual forcing record has |
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c units equal to [quantity/s]. See the header file *FFIELDS.h* of |
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c the MITgcmuv. |
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c |
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c Required units such that no scaling has to be applied: |
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c |
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c heat flux: input file W/m^2 |
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c salt flux: input file m/s |
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c zonal wind stress: input file N/m^2 |
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c merid. wind stress: input file N/m^2 |
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c |
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c To allow for such unit conversions this routine contains scaling |
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c factors scal_quantity. |
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c |
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c started: Christian Eckert eckert@mit.edu 09-Aug-1999 |
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c |
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c changed: Christian Eckert eckert@mit.edu 11-Jan-2000 |
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c |
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c - Restructured the code in order to create a package |
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c for the MITgcmUV. |
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c |
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c Christian Eckert eckert@mit.edu 12-Feb-2000 |
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c |
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c - Changed Routine names (package prefix: exf_) |
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c |
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c Patrick Heimbach, heimbach@mit.edu 06-May-2000 |
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c |
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c - added and changed CPP flag structure for |
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c ALLOW_BULKFORMULAE, ALLOW_ATM_TEMP |
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c |
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c Patrick Heimbach, heimbach@mit.edu 23-May-2000 |
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c |
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c - sign change of ustress/vstress incorporated into |
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c scaling factors scal_ust, scal_vst |
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c |
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c ================================================================== |
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c SUBROUTINE exf_MapFields |
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c ================================================================== |
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implicit none |
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c == global variables == |
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#include "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "FFIELDS.h" |
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#include "exf_constants.h" |
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#include "exf_fields.h" |
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#include "exf_clim_fields.h" |
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c == routine arguments == |
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c mythid - thread number for this instance of the routine. |
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integer mythid |
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c == local variables == |
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integer bi,bj |
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integer i,j |
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integer jtlo |
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integer jthi |
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integer itlo |
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integer ithi |
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integer jmin |
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integer jmax |
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integer imin |
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integer imax |
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_RL scal_hfl |
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_RL scal_ust |
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_RL scal_vst |
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_RL scal_swf |
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_RL scal_sst |
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_RL scal_sss |
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#if (defined (ALLOW_BULKFORMULAE) && defined (ALLOW_ATM_TEMP)) |
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_RL scal_prc |
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#else |
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_RL scal_sfl |
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#endif |
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c == end of interface == |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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jmin = 1-oly |
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jmax = sny+oly |
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imin = 1-olx |
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imax = snx+olx |
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scal_hfl = 1. _d 0 |
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scal_ust = -1. _d 0 |
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scal_vst = -1. _d 0 |
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scal_swf = 1. _d 0 |
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scal_sst = 1. _d 0 |
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scal_sss = 1. _d 0 |
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#if (defined (ALLOW_BULKFORMULAE) && defined (ALLOW_ATM_TEMP)) |
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scal_prc = 1. _d 0 |
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#else |
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scal_sfl = 1. _d 0 |
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#endif |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do j = jmin,jmax |
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do i = imin,imax |
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c Heat flux. |
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qnet(i,j,bi,bj) = scal_hfl*hflux(i,j,bi,bj) |
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c Salt flux. |
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#if (defined (ALLOW_BULKFORMULAE) && defined (ALLOW_ATM_TEMP)) |
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empmr(i,j,bi,bj) = scal_prc*precip(i,j,bi,bj) |
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#else |
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empmr(i,j,bi,bj) = scal_sfl*sflux(i,j,bi,bj) |
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#endif |
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c Zonal wind stress. |
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fu(i,j,bi,bj) = scal_ust*ustress(i,j,bi,bj) |
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c Meridional wind stress. |
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fv(i,j,bi,bj) = scal_vst*vstress(i,j,bi,bj) |
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#ifdef ALLOW_KPP || (defined (ALLOW_BULKFORMULAE) && defined (ALLOW_ATM_TEMP))) |
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c Short wave radiative flux. |
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qsw(i,j,bi,bj) = scal_swf*swflux(i,j,bi,bj) |
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#endif |
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#ifdef ALLOW_CLIMSST_RELAXATION |
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sst(i,j,bi,bj) = scal_sst*climsst(i,j,bi,bj) |
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#endif |
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#ifdef ALLOW_CLIMSSS_RELAXATION |
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sss(i,j,bi,bj) = scal_sss*climsss(i,j,bi,bj) |
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#endif |
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enddo |
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enddo |
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enddo |
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enddo |
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c Update the tile edges. |
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_EXCH_XY_R4( qnet, mythid ) |
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_EXCH_XY_R4( empmr, mythid ) |
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_EXCH_XY_R4( fu, mythid ) |
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_EXCH_XY_R4( fv, mythid ) |
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#ifdef ALLOW_KPP |
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_EXCH_XY_R4( qsw, mythid ) |
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#endif |
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#ifdef ALLOW_CLIMSST_RELAXATION |
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_EXCH_XY_R4( sst, mythid ) |
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#endif |
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#ifdef ALLOW_CLIMSSS_RELAXATION |
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_EXCH_XY_R4( sss, mythid ) |
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#endif |
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end |
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