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C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_driftw.F,v 1.8 2009/04/28 18:13:28 jmc Exp $ | 
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C $Name:  $ | 
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#include "COST_CPPOPTIONS.h" | 
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      subroutine cost_driftw( | 
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     I                       myiter, | 
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     I                       mytime, | 
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     I                       mythid | 
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     &                     ) | 
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c     ================================================================== | 
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c     SUBROUTINE cost_Driftw | 
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c     ================================================================== | 
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c | 
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c     o Evaluate cost function contribution of the w difference | 
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c       between the first and the last year. | 
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c | 
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c     started: from cost_drift | 
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c | 
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c     Armin Koehl  akoehl@ucsd.edu  26-Feb-2002 | 
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c | 
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c     ================================================================== | 
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c     SUBROUTINE cost_Driftw | 
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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 "GRID.h" | 
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#include "DYNVARS.h" | 
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#include "cal.h" | 
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#include "ecco_cost.h" | 
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#include "ctrl.h" | 
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#include "ctrl_dummy.h" | 
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#include "optim.h" | 
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CMM( | 
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#ifdef ALLOW_OBCS | 
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# include "OBCS.h" | 
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#endif | 
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CMM) | 
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c     == routine arguments == | 
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      integer myiter | 
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      _RL     mytime | 
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      integer mythid | 
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c     == local variables == | 
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      _RS        one_rs | 
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      parameter( one_rs = 1. ) | 
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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 irec | 
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      integer ilw | 
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      integer nf, nl, nfmin | 
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      integer minrec | 
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      _RL fctilew | 
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      _RL fcthread_wdrift | 
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      character*(80) fnamew | 
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      logical doglobalread | 
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      logical ladinit | 
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      character*(MAX_LEN_MBUF) msgbuf | 
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c     == external functions == | 
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      integer  ilnblnk | 
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      external ilnblnk | 
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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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c--   Read tiled data. | 
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      doglobalread = .false. | 
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      ladinit      = .false. | 
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#ifdef ALLOW_DRIFTW_COST_CONTRIBUTION | 
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      if (optimcycle .ge. 0) then | 
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        ilw = ilnblnk( wbarfile ) | 
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        write(fnamew(1:80),'(2a,i10.10)') | 
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     &    wbarfile(1:ilw),'.',optimcycle | 
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      endif | 
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      fcthread_wdrift = 0. _d 0 | 
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      do bj = jtlo,jthi | 
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        do bi = itlo,ithi | 
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          do k = 1,nr | 
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            do j = jmin,jmax | 
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              do i = imin,imax | 
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                wfmean(i,j,k,bi,bj) = 0.0 | 
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                wlmean(i,j,k,bi,bj) = 0.0 | 
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              enddo | 
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            enddo | 
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          enddo | 
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        enddo | 
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      enddo | 
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      nf = 0 | 
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      nl = 0 | 
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c--   Number of full years | 
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CMM      nfmin = MAX(INT(FLOAT(nmonsrec)/12.),1) | 
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c--   Prevent code from crashing if integrated for less than a year | 
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CMM      minrec = MIN(nmonsrec,12) | 
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CMM  only do k = 25 = 1348.5m           do k = 1,nr | 
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          k = 25 | 
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         do irec = 1,nmonsrec | 
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c--     Read time averages and the monthly mean data. | 
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        call active_read_xyz( fnamew, wbar, irec, | 
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     &                        doglobalread, ladinit, | 
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     &                        optimcycle, mythid, | 
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     &                        xx_wbar_mean_dummy ) | 
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        nl = nl + 1 | 
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        do bj = jtlo,jthi | 
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          do bi = itlo,ithi | 
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CMM            do k = 1,nr | 
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              do j = jmin,jmax | 
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                do i = imin,imax | 
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                  wlmean(i,j,k,bi,bj) = wlmean(i,j,k,bi,bj) + | 
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     &                  wbar(i,j,k,bi,bj)/nmonsrec | 
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                enddo | 
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              enddo | 
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CMM            enddo | 
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          enddo | 
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        enddo | 
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      enddo | 
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CMM( | 
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      do bj = jtlo,jthi | 
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        do bi = itlo,ithi | 
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c--       Loop over the model layers | 
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          fctilew = 0. _d 0 | 
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c--         Compute model misfit and cost function term for | 
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c           the vertical velovity field. The error is 1e-4 m/s. | 
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CMM   see if on open boundary north or south | 
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CMM  assumed using obcs west south north | 
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          do i = imin,imax | 
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                if (OB_Jn(I,bi,bj).GT.0) then | 
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                   do  j = OB_Jn(I,bi,bj)-10,OB_Jn(I,bi,bj)-1 | 
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                     if (_hFacC(i,j,32,bi,bj) .GT. 0. ) then | 
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                 fctilew = fctilew + wlmean(i,j,k,bi,bj) | 
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                 num_wdrift(bi,bj) = num_wdrift(bi,bj) + 1. _d 0 | 
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                     endif | 
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                   enddo  | 
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                endif | 
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          enddo | 
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CMM  bi bj | 
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CMM        enddo | 
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CMM      enddo | 
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CMM) | 
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       if (mult_ageos.gt.0.0) then | 
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       print*,'CMM:cost w: fctilew, mult_ageo = ', fctilew, mult_ageos | 
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       print*,'CMM:cost w num terms = ', num_wdrift | 
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         fctilew = fctilew / mult_ageos / mult_ageos | 
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       endif | 
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c--       End of loop over layers. | 
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          fcthread_wdrift    = fcthread_wdrift    + fctilew | 
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          objf_wdrift(bi,bj) = objf_wdrift(bi,bj) + fctilew | 
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#ifdef ECCO_VERBOSE | 
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c--       Print cost function for each tile in each thread. | 
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          write(msgbuf,'(a)') ' ' | 
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          call print_message( msgbuf, standardmessageunit, | 
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     &                          SQUEEZE_RIGHT , mythid) | 
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          write(msgbuf,'(a,i8.8,1x,i3.3,1x,i3.3)') | 
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     &        ' cost_Driftw: irec,bi,bj          =  ',irec,bi,bj | 
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          call print_message( msgbuf, standardmessageunit, | 
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     &                          SQUEEZE_RIGHT , mythid) | 
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          write(msgbuf,'(a,d22.15)') | 
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     &        '     cost function (wvel) = ', | 
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     &        fcthread_wdrift | 
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          call print_message( msgbuf, standardmessageunit, | 
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     &                      SQUEEZE_RIGHT , mythid) | 
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          write(msgbuf,'(a)') ' ' | 
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          call print_message( msgbuf, standardmessageunit, | 
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     &                          SQUEEZE_RIGHT , mythid) | 
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#endif | 
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        enddo | 
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      enddo | 
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#ifdef ECCO_VERBOSE | 
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c--     Print cost function for all tiles. | 
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        _GLOBAL_SUM_RL( fcthread_wdrift , myThid ) | 
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        write(msgbuf,'(a)') ' ' | 
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        call print_message( msgbuf, standardmessageunit, | 
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     &                      SQUEEZE_RIGHT , mythid) | 
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        write(msgbuf,'(a,i8.8)') | 
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     &    ' cost_Driftw: irec = ',irec | 
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        call print_message( msgbuf, standardmessageunit, | 
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     &                      SQUEEZE_RIGHT , mythid) | 
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        write(msgbuf,'(a,a,d22.15)') | 
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     &    '  cost function value', | 
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     &    ' (wvel) = ',fcthread_wdrift | 
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        call print_message( msgbuf, standardmessageunit, | 
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     &                      SQUEEZE_RIGHT , mythid) | 
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        write(msgbuf,'(a)') ' ' | 
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        call print_message( msgbuf, standardmessageunit, | 
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     &                      SQUEEZE_RIGHT , mythid) | 
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#endif | 
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#endif | 
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      return | 
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      end | 
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