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C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_sla_read.F,v 1.5 2012/08/10 19:45:26 jmc Exp $ |
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C $Name: $ |
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#include "ECCO_OPTIONS.h" |
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subroutine cost_sla_read( sla_file, sla_startdate, sla_period, |
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I sla_intercept, sla_slope, |
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O sla_obs, sla_mask, |
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I irec, mythid ) |
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|
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c ================================================================== |
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c SUBROUTINE cost_sla_read |
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c ================================================================== |
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c |
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c o Read a given record of the SLA data. |
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c |
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c started: Gael Forget 20-Oct-2009 |
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c |
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c ================================================================== |
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c SUBROUTINE cost_sla_read |
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c ================================================================== |
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|
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implicit none |
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|
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c == global variables == |
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|
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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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|
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#include "cal.h" |
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#include "ecco_cost.h" |
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|
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c == routine arguments == |
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|
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integer irec |
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integer mythid |
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|
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c == local variables == |
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|
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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 difftime(4) |
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integer tempDate_1 |
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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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|
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integer sla_startdate(4) |
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_RL sla_period |
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_RL sla_intercept |
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_RL sla_slope |
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_RL sla_obs (1-olx:snx+olx,1-oly:sny+oly, nsx,nsy) |
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_RL sla_mask (1-olx:snx+olx,1-oly:sny+oly, nsx,nsy) |
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character*(MAX_LEN_FNAM) sla_file |
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|
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cnew( |
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integer il |
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_RL daytime |
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integer dayiter |
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integer daydate(4) |
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integer yday, ymod |
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integer md, dd, sd, ld, wd |
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character*(80) fnametmp |
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logical exst |
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cnew) |
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|
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c == external functions == |
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|
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integer ilnblnk |
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external ilnblnk |
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|
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c == end of interface == |
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|
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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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|
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factor = 0.01 |
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spval = -9990. |
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|
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c select data record to read |
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daytime = FLOAT(secondsperday*(irec-1)) + modelstart |
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dayiter = hoursperday*(irec-1)+modeliter0 |
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call cal_getdate( dayiter, daytime, daydate, mythid ) |
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call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid ) |
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ymod = sla_startdate(1)/10000 |
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|
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if ( ymod .GE. yday ) then |
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call cal_FullDate( sla_startdate(1), 0, middate, mythid) |
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else |
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tempDate_1 = yday*10000+100+1 |
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call cal_FullDate( tempDate_1, 0, middate, mythid) |
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endif |
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|
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call cal_TimePassed( middate, daydate, difftime, mythid ) |
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call cal_ToSeconds( difftime, diffsecs, mythid ) |
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c sshrec = floor(diffsecs/sla_period) + 1 |
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sshrec = int(diffsecs/sla_period) + 1 |
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|
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il=ilnblnk(sla_file) |
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write(fnametmp(1:80),'(2a,i4)') |
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& sla_file(1:il), '_', yday |
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inquire( file=fnametmp, exist=exst ) |
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|
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c read data: |
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if ( (sshrec .GT. 0).AND.(exst) ) then |
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call mdsreadfield( fnametmp, cost_iprec, cost_yftype, |
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& 1, sla_obs, 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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sla_obs(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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|
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c mask data: |
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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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sla_mask(i,j,bi,bj) = 0. _d 0 |
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else |
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sla_mask(i,j,bi,bj) = 1. _d 0 |
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endif |
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if (sla_obs(i,j,bi,bj) .le. spval) then |
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sla_mask(i,j,bi,bj) = 0. _d 0 |
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endif |
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if (abs(sla_obs(i,j,bi,bj)) .lt. 1.d-8 ) then |
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sla_mask(i,j,bi,bj) = 0. _d 0 |
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endif |
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|
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cph( |
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#ifndef ALLOW_SHALLOW_ALTIMETRY |
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if ( R_low(i,j,bi,bj) .GT. -200. ) then |
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sla_mask(i,j,bi,bj) = 0. _d 0 |
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endif |
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#endif |
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cph) |
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|
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sla_mask(i,j,bi,bj) = sla_mask(i,j,bi,bj)*frame(i,j) |
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sla_obs(i,j,bi,bj) = sla_mask(i,j,bi,bj)*factor* |
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& ( sla_obs(i,j,bi,bj) - |
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& ( sla_intercept + sla_slope*irec*hoursperday ) ) |
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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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|
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return |
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end |
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