C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_scat.F,v 1.5 2005/05/02 14:30:40 heimbach Exp $
#include "COST_CPPOPTIONS.h"
subroutine COST_SCAT(
I myiter,
I mytime,
I mythid
& )
c ==================================================================
c SUBROUTINE cost_scat
c ==================================================================
c
c o Evaluate cost function contribution of surface wind stress observations.
c
c started: Detlef Satmmer 01-mar-2002 copy from cost_sst.F
c
c ==================================================================
c SUBROUTINE cost_scat
c ==================================================================
implicit none
c == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
#include "GRID.h"
#include "DYNVARS.h"
#include "cal.h"
#include "ecco_cost.h"
#include "ctrl.h"
#include "ctrl_dummy.h"
#include "optim.h"
c == routine arguments ==
integer myiter
_RL mytime
integer mythid
c == local variables ==
integer bi,bj
integer i,j,k
integer itlo,ithi
integer jtlo,jthi
integer jmin,jmax
integer imin,imax
integer irec
integer levmon
integer levoff
integer ilsalt
_RL fctile_scatx
_RL fcthread_scatx
_RL fctile_scaty
_RL fcthread_scaty
character*(80) fnametaux
character*(80) fnametauy
logical doglobalread
logical ladinit
character*(MAX_LEN_MBUF) msgbuf
c == external functions ==
integer ilnblnk
external
c == end of interface ==
jtlo = mybylo(mythid)
jthi = mybyhi(mythid)
itlo = mybxlo(mythid)
ithi = mybxhi(mythid)
jmin = 1
jmax = sny
imin = 1
imax = snx
c-- Read tiled data.
doglobalread = .false.
ladinit = .false.
#ifdef ALLOW_SCAT_COST_CONTRIBUTION
if (optimcycle .ge. 0) then
ilsalt = ilnblnk( tauxbarfile )
write(fnametaux(1:80),'(2a,i10.10)')
& tauxbarfile(1:ilsalt),'.',optimcycle
ilsalt = ilnblnk( tauybarfile )
write(fnametauy(1:80),'(2a,i10.10)')
& tauybarfile(1:ilsalt),'.',optimcycle
endif
fcthread_scatx = 0. _d 0
fcthread_scaty = 0. _d 0
c-- Loop over records.
do irec = 1,nmonsrec
c-- Read time averages and the monthly mean data.
call ACTIVE_READ_XY( fnametaux, tauxbar, irec,
& doglobalread, ladinit,
& optimcycle, mythid,
& xx_taux_mean_dummy )
call ACTIVE_READ_XY( fnametauy, tauybar, irec,
& doglobalread, ladinit,
& optimcycle, mythid,
& xx_tauy_mean_dummy )
do bj = jtlo,jthi
do bi = itlo,ithi
fctile_scatx = 0. _d 0
fctile_scaty = 0. _d 0
k = 1
c-- Compute cost rel. to monthly SCAT field.
call COST_READSCATXFIELDS( irec, mythid )
do j = jmin,jmax
do i = imin,imax
if (maskW(i,j,k,bi,bj) .ne. 0.) then
fctile_scatx = fctile_scatx +
& wscatx(i,j,bi,bj)*cosphi(i,j,bi,bj)*
& ( (tauxbar(i,j,bi,bj)+scatxdat(i,j,bi,bj))*
& (tauxbar(i,j,bi,bj)+scatxdat(i,j,bi,bj))*
& scatxmask(i,j,bi,bj) )
if ( wscatx(i,j,bi,bj)*cosphi(i,j,bi,bj)*
& scatxmask(i,j,bi,bj) .ne. 0. )
& num_scatx(bi,bj) = num_scatx(bi,bj) + 1. _d 0
endif
enddo
enddo
c-- Compute cost rel. to monthly SCAT field.
call COST_READSCATYFIELDS( irec, mythid )
do j = jmin,jmax
do i = imin,imax
if (maskS(i,j,k,bi,bj) .ne. 0.) then
fctile_scaty = fctile_scaty +
& wscaty(i,j,bi,bj)*cosphi(i,j,bi,bj)*
& ( (tauybar(i,j,bi,bj)+scatydat(i,j,bi,bj))*
& (tauybar(i,j,bi,bj)+scatydat(i,j,bi,bj))*
& scatymask(i,j,bi,bj) )
if ( wscaty(i,j,bi,bj)*cosphi(i,j,bi,bj)*
& scatymask(i,j,bi,bj) .ne. 0. )
& num_scaty(bi,bj) = num_scaty(bi,bj) + 1. _d 0
endif
enddo
enddo
fcthread_scatx = fcthread_scatx + fctile_scatx
objf_scatx(bi,bj) = objf_scatx(bi,bj) + fctile_scatx
fcthread_scaty = fcthread_scaty + fctile_scaty
objf_scaty(bi,bj) = objf_scaty(bi,bj) + fctile_scaty
#ifdef ECCO_VERBOSE
c-- Print cost fscat for each tile in each thread.
write(msgbuf,'(a)') ' '
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,i8.8,1x,i3.3,1x,i3.3)')
& ' cost_scat: irec,bi,bj = ',irec,bi,bj
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,2d22.15)')
& ' cost function (scat) = ',
& fctile_scatx, fctile_scaty
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
#endif
enddo
enddo
#ifdef ECCO_VERBOSE
c-- Print cost function for all tiles.
_GLOBAL_SUM_R8( fcthread_scatx , myThid )
write(msgbuf,'(a)') ' '
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,i8.8)')
& ' cost_scatx: irec = ',irec
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,a,d22.15)')
& ' global cost function value',
& ' ( SCAT ) = ',fcthread_scatx
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a)') ' '
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
#endif
enddo
c-- End of loop over records.
#else
c-- Do not enter the calculation of the temperature contribution to
c-- the final cost function.
fctile_scatx = 0. _d 0
fcthread_scatx = 0. _d 0
fctile_scaty = 0. _d 0
fcthread_scaty = 0. _d 0
_BEGIN_MASTER( mythid )
write(msgbuf,'(a)') ' '
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,a)')
& ' cost_scat: no contribution of temperature field ',
& 'to cost function.'
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a,a,i9.8)')
& ' cost_scat: number of records that would have',
& ' been processed: ',nmonsrec
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
write(msgbuf,'(a)') ' '
call PRINT_MESSAGE( msgbuf, standardmessageunit,
& SQUEEZE_RIGHT , mythid)
_END_MASTER( mythid )
#endif
return
end