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heimbach |
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C $Header: /u/gcmpack/MITgcm/pkg/cost/Attic/cost_readtopex.F,v 1.1.2.3 2003/06/19 15:21:16 heimbach Exp $ |
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#include "COST_CPPOPTIONS.h" |
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subroutine cost_ReadTopex( |
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I irec, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE cost_ReadTopex |
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c ================================================================== |
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c |
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c o Read a given record of the TOPEX SSH data. |
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c |
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c started: Christian Eckert eckert@mit.edu 25-May-1999 |
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c |
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c changed: Christian Eckert eckert@mit.edu 25-Feb-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 ================================================================== |
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c SUBROUTINE cost_ReadTopex |
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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 "PARAMS.h" |
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#include "GRID.h" |
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#include "cal.h" |
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#include "ecco_cost.h" |
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c == routine arguments == |
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integer irec |
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integer mythid |
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#ifdef ALLOW_SSH_TPANOM_COST_CONTRIBUTION |
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c == local variables == |
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integer bi,bj |
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integer i,j,k |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer jmin,jmax |
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integer imin,imax |
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integer sshrec |
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integer nobs |
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integer difftime(4) |
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integer middate(4) |
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integer noffset |
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_RL diffsecs |
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_RL spval |
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_RL factor |
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_RL vartile |
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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 |
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jmax = sny |
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imin = 1 |
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imax = snx |
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factor = 0.01 |
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spval = -9990. |
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middate(1) = modelstartdate(1) |
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middate(2) = 120000 |
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middate(3) = modelstartdate(3) |
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middate(4) = modelstartdate(4) |
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call cal_TimePassed( topexstartdate, middate, difftime, mythid ) |
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call cal_ToSeconds( difftime, diffsecs, mythid ) |
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noffset = int(diffsecs/topexperiod) |
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sshrec = noffset + irec |
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nobs = 0 |
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if ( sshrec.gt.0 .and. topexfile .ne. ' ' ) then |
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call mdsreadfield( topexfile, cost_iprec, cost_yftype, 1, tpobs, |
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& sshrec, mythid ) |
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else |
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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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tpobs(i,j,bi,bj)=spval |
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enddo |
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enddo |
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enddo |
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enddo |
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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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k = 1 |
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do j = jmin,jmax |
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do i = imin,imax |
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if (_hFacC(i,j,k,bi,bj) .eq. 0.) then |
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tpmask(i,j,bi,bj) = 0. _d 0 |
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else |
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tpmask(i,j,bi,bj) = 1. _d 0 |
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endif |
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if (tpobs(i,j,bi,bj) .le. spval) then |
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tpmask(i,j,bi,bj) = 0. _d 0 |
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endif |
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if (abs(tpobs(i,j,bi,bj)) .lt. 1.d-8 ) then |
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tpmask(i,j,bi,bj) = 0. _d 0 |
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endif |
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cph( |
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cph print *, 'WARNING: SPECIFIC SETUP FOR ECCO' |
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cph below statement could be replaced by following |
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cph to make it independnet of Nr: |
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cph |
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cph if ( rC(K) .GT. -1000. ) then |
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cph) |
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c set tpmask=0 in areas shallower than 1000m |
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if (_hFacC(i,j,13,bi,bj) .eq. 0.) then |
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tpmask(i,j,bi,bj) = 0. _d 0 |
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endif |
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tpmask(i,j,bi,bj) = tpmask(i,j,bi,bj)*frame(i,j) |
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tpobs(i,j,bi,bj) = tpobs(i,j,bi,bj)* |
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& tpmask(i,j,bi,bj)* |
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& factor |
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nobs = nobs + int(tpmask(i,j,bi,bj)) |
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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-- Calculate the field variance for present subdomain. |
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c-- One could of course do a global sum here. |
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vartile = 0. _d 0 |
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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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vartile = vartile + tpobs(i,j,bi,bj)* |
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& tpobs(i,j,bi,bj) |
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enddo |
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enddo |
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enddo |
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enddo |
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if (nobs .gt. 0) then |
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vartile = vartile/float(nobs) |
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else |
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vartile = spval |
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endif |
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#endif /* ALLOW_SSH_TPANOM_COST_CONTRIBUTION */ |
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return |
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end |
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