#include "CTRL_OPTIONS.h" #ifdef ALLOW_OBCS # include "OBCS_OPTIONS.h" #endif subroutine ctrl_getobcsn( I mytime, I myiter, I mythid & ) c ================================================================== c SUBROUTINE ctrl_getobcsn c ================================================================== c c o Get northern obc of the control vector and add it c to dyn. fields c c started: heimbach@mit.edu, 29-Aug-2001 c c modified: gebbie@mit.edu, 18-Mar-2003 c ================================================================== c SUBROUTINE ctrl_getobcsn c ================================================================== implicit none c == global variables == #ifdef ALLOW_OBCSN_CONTROL #include "EEPARAMS.h" #include "SIZE.h" #include "PARAMS.h" #include "GRID.h" c#include "OBCS_PARAMS.h" #include "OBCS_GRID.h" #include "OBCS_FIELDS.h" #include "CTRL_SIZE.h" #include "ctrl.h" #include "ctrl_dummy.h" #include "CTRL_OBCS.h" #include "optim.h" #endif /* ALLOW_OBCSN_CONTROL */ c == routine arguments == _RL mytime integer myiter integer mythid #ifdef ALLOW_OBCSN_CONTROL c == local variables == integer bi,bj integer i,j,k integer itlo,ithi integer jtlo,jthi integer jmin,jmax integer imin,imax integer ilobcsn integer iobcs integer jp1 _RL dummy _RL obcsnfac logical obcsnfirst logical obcsnchanged integer obcsncount0 integer obcsncount1 cgg _RL maskxz (1-olx:snx+olx,nr,nsx,nsy) _RL tmpfldxz (1-olx:snx+olx,nr,nsx,nsy) logical doglobalread logical ladinit character*(80) fnameobcsn #ifdef ALLOW_OBCS_CONTROL_MODES integer nk,nz _RL tmpz (nr,nsx,nsy) _RL stmp #endif c == external functions == integer ilnblnk external ilnblnk c == end of interface == jtlo = mybylo(mythid) jthi = mybyhi(mythid) itlo = mybxlo(mythid) ithi = mybxhi(mythid) cgg jmin = 1-oly cgg jmax = sny+oly cgg imin = 1-olx cgg imax = snx+olx jmin = 1 jmax = sny imin = 1 imax = snx jp1 = 0 c-- Now, read the control vector. doglobalread = .false. ladinit = .false. if (optimcycle .ge. 0) then ilobcsn=ilnblnk( xx_obcsn_file ) write(fnameobcsn(1:80),'(2a,i10.10)') & xx_obcsn_file(1:ilobcsn), '.', optimcycle endif c-- Get the counters, flags, and the interpolation factor. call ctrl_get_gen_rec( I xx_obcsnstartdate, xx_obcsnperiod, O obcsnfac, obcsnfirst, obcsnchanged, O obcsncount0,obcsncount1, I mytime, myiter, mythid ) do iobcs = 1,nobcs if ( obcsnfirst ) then call active_read_xz( fnameobcsn, tmpfldxz, & (obcsncount0-1)*nobcs+iobcs, & doglobalread, ladinit, optimcycle, & mythid, xx_obcsn_dummy ) do bj = jtlo,jthi do bi = itlo,ithi #ifdef ALLOW_OBCS_CONTROL_MODES if (iobcs .gt. 2) then do i = imin,imax j = OB_Jn(i,bi,bj) IF ( j.EQ.OB_indexNone ) j = 1 cih Determine number of open vertical layers. nz = 0 do k = 1,Nr if (iobcs .eq. 3) then nz = nz + maskS(i,j+jp1,k,bi,bj) else nz = nz + maskW(i,j,k,bi,bj) endif end do cih Compute absolute velocities from the barotropic-baroclinic modes. do k = 1,Nr if (k.le.nz) then stmp = 0. do nk = 1,nz stmp = stmp + & modesv(k,nk,nz)*tmpfldxz(i,nk,bi,bj) end do tmpz(k,bi,bj) = stmp else tmpz(k,bi,bj) = 0. end if end do do k = 1,Nr if (iobcs .eq. 3) then tmpfldxz(i,k,bi,bj) = tmpz(k,bi,bj) & *recip_hFacS(i,j+jp1,k,bi,bj) else tmpfldxz(i,k,bi,bj) = tmpz(k,bi,bj) & *recip_hFacW(i,j,k,bi,bj) endif end do enddo endif #endif do k = 1,nr do i = imin,imax xx_obcsn1(i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) cgg & * maskxz (i,k,bi,bj) enddo enddo enddo enddo endif if ( (obcsnfirst) .or. (obcsnchanged)) then do bj = jtlo,jthi do bi = itlo,ithi do k = 1,nr do i = imin,imax xx_obcsn0(i,k,bi,bj,iobcs) = xx_obcsn1(i,k,bi,bj,iobcs) tmpfldxz (i,k,bi,bj) = 0. _d 0 enddo enddo enddo enddo call active_read_xz( fnameobcsn, tmpfldxz, & (obcsncount1-1)*nobcs+iobcs, & doglobalread, ladinit, optimcycle, & mythid, xx_obcsn_dummy ) do bj = jtlo,jthi do bi = itlo,ithi #ifdef ALLOW_OBCS_CONTROL_MODES if (iobcs .gt. 2) then do i = imin,imax j = OB_Jn(i,bi,bj) IF ( j.EQ.OB_indexNone ) j = 1 cih Determine number of open vertical layers. nz = 0 do k = 1,Nr if (iobcs .eq. 3) then nz = nz + maskS(i,j+jp1,k,bi,bj) else nz = nz + maskW(i,j,k,bi,bj) endif end do cih Compute absolute velocities from the barotropic-baroclinic modes. do k = 1,Nr if (k.le.nz) then stmp = 0. do nk = 1,nz stmp = stmp + & modesv(k,nk,nz)*tmpfldxz(i,nk,bi,bj) end do tmpz(k,bi,bj) = stmp else tmpz(k,bi,bj) = 0. end if end do do k = 1,Nr if (iobcs .eq. 3) then tmpfldxz(i,k,bi,bj) = tmpz(k,bi,bj) & *recip_hFacS(i,j+jp1,k,bi,bj) else tmpfldxz(i,k,bi,bj) = tmpz(k,bi,bj) & *recip_hFacW(i,j,k,bi,bj) endif end do enddo endif #endif do k = 1,nr do i = imin,imax xx_obcsn1 (i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) cgg & * maskxz (i,k,bi,bj) enddo enddo enddo enddo endif c-- Add control to model variable. do bj = jtlo,jthi do bi = itlo,ithi c-- Calculate mask for tracer cells (0 => land, 1 => water). do k = 1,nr do i = 1,snx j = OB_Jn(I,bi,bj) IF ( j.EQ.OB_indexNone ) j = 1 if (iobcs .EQ. 1) then OBNt(i,k,bi,bj) = OBNt (i,k,bi,bj) & + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) & + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) OBNt(i,k,bi,bj) = OBNt(i,k,bi,bj) & *maskS(i,j+jp1,k,bi,bj) else if (iobcs .EQ. 2) then OBNs(i,k,bi,bj) = OBNs (i,k,bi,bj) & + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) & + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) OBNs(i,k,bi,bj) = OBNs(i,k,bi,bj) & *maskS(i,j+jp1,k,bi,bj) else if (iobcs .EQ. 4) then OBNu(i,k,bi,bj) = OBNu (i,k,bi,bj) & + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) & + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) OBNu(i,k,bi,bj) = OBNu(i,k,bi,bj) & *maskW(i,j,k,bi,bj) else if (iobcs .EQ. 3) then OBNv(i,k,bi,bj) = OBNv (i,k,bi,bj) & + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) & + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) OBNv(i,k,bi,bj) = OBNv(i,k,bi,bj) & *maskS(i,j+jp1,k,bi,bj) endif enddo enddo enddo enddo C-- End over iobcs loop enddo #endif /* ALLOW_OBCSN_CONTROL */ return end