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C $Header: /u/gcmpack/MITgcm/pkg/ctrl/ctrl_getobcse.F,v 1.10 2011/03/14 17:08:00 mlosch Exp $ |
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1.5 |
C $Name: $ |
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1.1 |
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#include "CTRL_CPPOPTIONS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS_OPTIONS.h" |
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#endif |
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subroutine ctrl_getobcse( |
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I mytime, |
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I myiter, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE ctrl_getobcse |
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c ================================================================== |
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c |
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c o Get eastern obc of the control vector and add it |
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c to dyn. fields |
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c |
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c started: heimbach@mit.edu, 29-Aug-2001 |
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c |
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c ================================================================== |
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c SUBROUTINE ctrl_getobcse |
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c ================================================================== |
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implicit none |
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#ifdef ALLOW_OBCSE_CONTROL |
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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 "OBCS.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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c == routine arguments == |
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_RL mytime |
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integer myiter |
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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,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 ilobcse |
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integer iobcs |
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_RL dummy |
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_RL obcsefac |
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logical obcsefirst |
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logical obcsechanged |
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integer obcsecount0 |
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integer obcsecount1 |
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integer ip1 |
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1.5 |
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cgg _RL maskyz (1-oly:sny+oly,nr,nsx,nsy) |
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1.6 |
_RL tmpfldyz (1-oly:sny+oly,nr,nsx,nsy) |
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1.5 |
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1.1 |
logical doglobalread |
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logical ladinit |
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character*(80) fnameobcse |
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1.6 |
cmm( modes: |
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integer nk,nz |
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_RL tmpz (nr,nsx,nsy) |
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_RL stmp |
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1.1 |
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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-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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ip1 = 0 |
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c-- Now, read the control vector. |
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doglobalread = .false. |
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ladinit = .false. |
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if (optimcycle .ge. 0) then |
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1.6 |
ilobcse=ilnblnk( xx_obcse_file ) |
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write(fnameobcse(1:80),'(2a,i10.10)') |
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& xx_obcse_file(1:ilobcse), '.', optimcycle |
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1.1 |
endif |
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c-- Get the counters, flags, and the interpolation factor. |
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call ctrl_get_gen_rec( |
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I xx_obcsestartdate, xx_obcseperiod, |
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O obcsefac, obcsefirst, obcsechanged, |
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O obcsecount0,obcsecount1, |
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I mytime, myiter, mythid ) |
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1.5 |
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1.1 |
do iobcs = 1,nobcs |
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1.6 |
if ( obcsefirst ) then |
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call active_read_yz( fnameobcse, tmpfldyz, |
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& (obcsecount0-1)*nobcs+iobcs, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_obcse_dummy ) |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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#ifdef ALLOW_OBCS_CONTROL_MODES |
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if (iobcs .gt. 2) then |
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do j = jmin,jmax |
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i = OB_Ie(j,bi,bj) |
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1.1 |
cih Determine number of open vertical layers. |
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nz = 0 |
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do k = 1,Nr |
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if (iobcs .eq. 3) then |
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nz = nz + maskW(i+ip1,j,k,bi,bj) |
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else |
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nz = nz + maskS(i,j,k,bi,bj) |
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endif |
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end do |
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cih Compute absolute velocities from the barotropic-baroclinic modes. |
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do k = 1,Nr |
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if (k.le.nz) then |
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stmp = 0. |
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do nk = 1,nz |
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stmp = stmp + |
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& modesv(k,nk,nz)*tmpfldyz(j,nk,bi,bj) |
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end do |
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tmpz(k,bi,bj) = stmp |
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else |
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tmpz(k,bi,bj) = 0. |
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end if |
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enddo |
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do k = 1,Nr |
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if (iobcs .eq. 3) then |
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tmpfldyz(j,k,bi,bj) = tmpz(k,bi,bj) |
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& *recip_hFacW(i+ip1,j,k,bi,bj) |
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else |
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tmpfldyz(j,k,bi,bj) = tmpz(k,bi,bj) |
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& *recip_hFacS(i,j,k,bi,bj) |
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endif |
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end do |
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enddo |
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endif |
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#endif |
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do k = 1,nr |
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do j = jmin,jmax |
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xx_obcse1(j,k,bi,bj,iobcs) = tmpfldyz (j,k,bi,bj) |
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cgg & * maskyz (j,k,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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endif |
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if ( (obcsefirst) .or. (obcsechanged)) then |
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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 k = 1,nr |
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xx_obcse0(j,k,bi,bj,iobcs) = xx_obcse1(j,k,bi,bj,iobcs) |
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tmpfldyz (j,k,bi,bj) = 0. _d 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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call active_read_yz( fnameobcse, tmpfldyz, |
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& (obcsecount1-1)*nobcs+iobcs, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_obcse_dummy ) |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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mmazloff |
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#ifdef ALLOW_OBCS_CONTROL_MODES |
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if (iobcs .gt. 2) then |
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do j = jmin,jmax |
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i = OB_Ie(j,bi,bj) |
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mmazloff |
1.1 |
cih Determine number of open vertical layers. |
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nz = 0 |
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do k = 1,Nr |
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if (iobcs .eq. 3) then |
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nz = nz + maskW(i+ip1,j,k,bi,bj) |
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else |
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nz = nz + maskS(i,j,k,bi,bj) |
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endif |
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end do |
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cih Compute absolute velocities from the barotropic-baroclinic modes. |
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do k = 1,Nr |
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if (k.le.nz) then |
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stmp = 0. |
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do nk = 1,nz |
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stmp = stmp + |
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& modesv(k,nk,nz)*tmpfldyz(j,nk,bi,bj) |
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end do |
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tmpz(k,bi,bj) = stmp |
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else |
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tmpz(k,bi,bj) = 0. |
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endif |
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enddo |
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do k = 1,Nr |
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if (iobcs .eq. 3) then |
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tmpfldyz(j,k,bi,bj) = tmpz(k,bi,bj) |
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& *recip_hFacW(i+ip1,j,k,bi,bj) |
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else |
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tmpfldyz(j,k,bi,bj) = tmpz(k,bi,bj) |
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& *recip_hFacS(i,j,k,bi,bj) |
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endif |
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end do |
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enddo |
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endif |
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1.5 |
#endif |
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1.6 |
do k = 1,nr |
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do j = jmin,jmax |
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xx_obcse1 (j,k,bi,bj,iobcs) = tmpfldyz (j,k,bi,bj) |
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cgg & * maskyz (j,k,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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endif |
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c-- Add control to model variable. |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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c-- Calculate mask for tracer cells (0 => land, 1 => water). |
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do k = 1,nr |
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do j = 1,sny |
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i = OB_Ie(j,bi,bj) |
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if (iobcs .EQ. 1) then |
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OBEt(j,k,bi,bj) = OBEt(j,k,bi,bj) |
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& + obcsefac *xx_obcse0(j,k,bi,bj,iobcs) |
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& + (1. _d 0 - obcsefac)*xx_obcse1(j,k,bi,bj,iobcs) |
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OBEt(j,k,bi,bj) = OBEt(j,k,bi,bj) |
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& *maskW(i+ip1,j,k,bi,bj) |
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else if (iobcs .EQ. 2) then |
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OBEs(j,k,bi,bj) = OBEs(j,k,bi,bj) |
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& + obcsefac *xx_obcse0(j,k,bi,bj,iobcs) |
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& + (1. _d 0 - obcsefac)*xx_obcse1(j,k,bi,bj,iobcs) |
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OBEs(j,k,bi,bj) = OBEs(j,k,bi,bj) |
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& *maskW(i+ip1,j,k,bi,bj) |
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else if (iobcs .EQ. 3) then |
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OBEu(j,k,bi,bj) = OBEu(j,k,bi,bj) |
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& + obcsefac *xx_obcse0(j,k,bi,bj,iobcs) |
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& + (1. _d 0 - obcsefac)*xx_obcse1(j,k,bi,bj,iobcs) |
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OBEu(j,k,bi,bj) = OBEu(j,k,bi,bj) |
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& *maskW(i+ip1,j,k,bi,bj) |
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else if (iobcs .EQ. 4) then |
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OBEv(j,k,bi,bj) = OBEv(j,k,bi,bj) |
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& + obcsefac *xx_obcse0(j,k,bi,bj,iobcs) |
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& + (1. _d 0 - obcsefac)*xx_obcse1(j,k,bi,bj,iobcs) |
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OBEv(j,k,bi,bj) = OBEv(j,k,bi,bj) |
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& *maskS(i,j,k,bi,bj) |
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endif |
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mmazloff |
1.1 |
enddo |
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mmazloff |
1.6 |
enddo |
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mmazloff |
1.1 |
enddo |
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mmazloff |
1.6 |
enddo |
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C-- End over iobcs loop |
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enddo |
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#else /* ALLOW_OBCSE_CONTROL undefined */ |
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c == routine arguments == |
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_RL mytime |
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integer myiter |
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integer mythid |
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c-- CPP flag ALLOW_OBCSE_CONTROL undefined. |
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#endif /* ALLOW_OBCSE_CONTROL */ |
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end |
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