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latbdy.F90
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#if ! defined(RELO)
subroutine latbdf(n,lll)
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_tides ! HYCOM tides
implicit none
!
integer n,lll
!
! --- apply lateral boundary conditions to barotropic flow field
!
! --- port flow version:
! --- NOT similar to the standard 'Browning and Kreiss' MICOM/HYCOM open
! --- boundary condition. This version uses algorithms based on a
! --- 1 invariant Flather boundary condition (setting the gradient
! --- of the incoming characteristic to zero).
!
! --- The tangential velocity is not constrained.
!
! --- see also: latbdp
!
! --- the code is as similar as possible to that for the standard case.
! --- so for example, 'speed' is in fact 1/SQRT(gH) which represents
! --- c1/g in the notation of (Bleck and Sun, Open boundary conditions
! --- for MICOM). The 1/g allows for the use of pressure fields.
!
! --- Note that East, West, North and South refers to the grid
! --- (i.e i,j points) and NOT geographic East, West, North and South
!
! --- the first call is made during initialization.
!
! --- Iris Lohmann, Carlos Lozano, NCEP, April 2006
!
logical, parameter :: ldebug_latbdf=.false.
!
integer, parameter :: mports=1 !maximum number of ports
!
integer, parameter :: nchar =120
!
logical lfatal,lfatalp
integer i,j,isec,ifrst,ilast,l
real aline(nchar), &
dline(itdm+jtdm),xline(itdm+jtdm), &
pline(itdm+jtdm),uline(itdm+jtdm)
real sum,svspin,fatal
character*3 char3
!
integer nports
integer lnport(mports),kdport(mports)
integer jfport(mports),jlport(mports), &
ifport(mports),ilport(mports)
real svpnow(mports),svport(mports)
save lnport
save svpnow,svport
save nports,kdport,ifport,ilport,jfport,jlport
!
real uportw(jtdm,mports),speedw(jtdm,mports),rspedw(jtdm,mports), &
uporte(jtdm,mports),speede(jtdm,mports),rspede(jtdm,mports), &
vportn(itdm,mports),speedn(itdm,mports),rspedn(itdm,mports), &
vports(itdm,mports),speeds(itdm,mports),rspeds(itdm,mports)
save uportw,speedw,rspedw,uporte,speede,rspede, &
vportn,speedn,rspedn,vports,speeds,rspeds
! tides stuff
integer npts_p,kdpt_p(mports), &
ifpt_p(mports),ilpt_p(mports), &
jfpt_p(mports),jlpt_p(mports),lnpt_p(mports)
integer npts_v,kdpt_v(mports), &
ifpt_v(mports),ilpt_v(mports), &
jfpt_v(mports),jlpt_v(mports),lnpt_v(mports)
integer npts_u,kdpt_u(mports), &
ifpt_u(mports),ilpt_u(mports), &
jfpt_u(mports),jlpt_u(mports),lnpt_u(mports)
! the max of itdm and jtdm is ok for any port
! number of tidal consituents (ncon) from mod_tides
real z1r_p(mports,max(jtdm,itdm),ncon)
real z1i_p(mports,max(jtdm,itdm),ncon)
real z1r_u(mports,max(jtdm,itdm),ncon)
real z1i_u(mports,max(jtdm,itdm),ncon)
real z1r_v(mports,max(jtdm,itdm),ncon)
real z1i_v(mports,max(jtdm,itdm),ncon)
real tmp1, tmp2
real tmpr(max(itdm,jtdm),ncon), tmpi(max(itdm,jtdm),ncon)
real upred(max(itdm,jtdm)),zpred(max(itdm,jtdm))
real udpred(max(itdm,jtdm))
real vpred(max(itdm,jtdm))
real ulow(max(itdm,jtdm),mports),plow(max(itdm,jtdm),mports)
real uu(max(itdm,jtdm)),vv(max(itdm,jtdm))
integer bnd_init(mports)
real*8 d_time
real*8 timermp,frmp
logical astroflag
integer jn,in,ic
save z1r_p, z1i_p
save z1r_u, z1i_u
save bnd_init
save ulow,plow
!
character*13 fmt
save fmt
data fmt / '(i4,1x,120i1)' /
!
! USER-INPUT: optimization coefficients for the 1 inv algorithm.
real w_1,w_1c
save w_1
data w_1 / 0.1 /
!
integer lcount
save lcount
data lcount / 0 /
!
! Comment out the next line to run without
! boundary tides
d_time = time_8 + lll*dlt/86400.d0
! add 15384 for obtaining mjd
lcount = lcount + 1
!
! set 1-invariant coefficient
w_1c=1.0-w_1
!
!
! --- the first call just initializes data structures.
!
if (lcount.eq.1) then
!
open(unit=uoff+99,file=trim(flnminp)//'ports.input')
!
! --- 'nports' = number of boundary port sections.
call blkini(nports,'nports')
if (mnproc.eq.1) then
write(lp,*)
endif
if (nports.eq.0) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in latbdf - must have lbflag=0 for nports=0'
write(lp,*)
call flush(lp)
endif !1st tile
call xcstop('(latbdf)')
stop '(latbdf)'
elseif (nports.lt.0 .or. nports.gt.mports) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in latbdf - illegal nports value'
if (nports.gt.mports) then
write(lp,*) 'increase parameter mports to',nports
endif
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdf)')
stop '(latbdf)'
endif
!
! --- read in the ports one at a time
!
do l= 1,nports
!
! --- port location is w.r.t. u (EW) or v (NS) grid
! --- and identifies the sea at the port
! --- the minimum index is 0
!
! --- 'kdport' = port orientation (1=N, 2=S, 3=E, 4=W, 5=S(Fundy))
! --- 'ifport' = first i-index
! --- 'ilport' = last i-index (=ifport for N or S orientation)
! --- 'jfport' = first j-index
! --- 'jlport' = last j-index (=jfport for E or W orientation)
! --- 'svpnow' = existing port transport in Sv (+ve towards E or S)
! --- 'svport' = target port transport in Sv (+ve towards E or S)
! --- 'lnport' = port length (calculated, not input)
call blkini(kdport(l),'kdport')
call blkini(ifport(l),'ifport')
call blkini(ilport(l),'ilport')
call blkini(jfport(l),'jfport')
call blkini(jlport(l),'jlport')
call blkinr(svpnow(l),'svpnow','(a6," =",f10.4," Sv")')
call blkinr(svport(l),'svport','(a6," =",f10.4," Sv")')
if (mnproc.eq.1) then
write(lp,*)
endif
!
lnport(l) = ilport(l)-ifport(l)+jlport(l)-jfport(l)+1
!
! --- sanity check.
!
if (kdport(l).eq.3.or.kdport(l).eq.4) then
if (ifport(l).ne.ilport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in latbdp - port direction', &
' and orientation are not consistent'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
else
if (jfport(l).ne.jlport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in latbdp - port direction', &
' and orientation are not consistent'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
endif
if (ifport(l).gt.ilport(l) .or. &
jfport(l).gt.jlport(l) ) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in latbdp - port', &
' location is not consistent'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
enddo
!
close(unit=uoff+99)
! **********************************************
!------ read low frequency input-file
! initialize the low-frequency u and eta to zero
do i = 1,max(itdm,jtdm)
do j = 1,mports
ulow(i,j) =0.0
plow(i,j) =0.0
enddo
enddo
open(unit=uoff+99,file=trim(flnminp)//'lowfreq.input')
! the file is read in order west, east, south, north
do l= 1,nports
if (kdport(l).eq.4) then
! western port
do j= jfport(l),jlport(l)
read(uoff+99,*) ulow(j,l),plow(j,l)
enddo
elseif (kdport(l).eq.3) then
! eastern port
do j= jfport(l),jlport(l)
read(uoff+99,*) ulow(j,l),plow(j,l)
enddo
elseif (kdport(l).eq.2) then
! southern port
do i= ifport(l),ilport(l)
read(uoff+99,*) ulow(i,l),plow(i,l)
enddo
elseif (kdport(l).eq.1) then
! northern port
do i= ifport(l),ilport(l)
read(uoff+99,*) ulow(i,l),plow(i,l)
enddo
endif !kdport
enddo !l=1,nports
close(uoff+99)
!************************************************
! ****** READ TIDAL CONSTITUENTS ****************
if (tidflg.ge.1) then
! initialize the tidal constituents to zero
do i = 1,mports
do j = 1,max(itdm,jtdm)
do ic = 1,ncon
z1r_p(i,j,ic) = 0.
z1i_p(i,j,ic) = 0.
z1r_u(i,j,ic) = 0.
z1i_u(i,j,ic) = 0.
z1r_v(i,j,ic) = 0.
z1i_v(i,j,ic) = 0.
enddo
enddo
enddo
do j = 1,max(itdm,jtdm)
uu(j) = 0.
vv(j) = 0.
upred(j) = 0.
vpred(j) = 0.
zpred(j) = 0.
enddo
! --------------------------------------------------------
! Now the P points
open(unit=uoff+99,file=trim(flnminp)//'tidalports_p.input')
! --- 'nports' = number of boundary port sections.
call blkini(npts_p,'npts_p')
if (mnproc.eq.1) then
write(lp,*)
endif
if (npts_p.ne.nports) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error number of ports needs to be same'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
do l= 1,nports
!
! --- port location is w.r.t. u (EW) or v (NS) grid
! --- and identifies the sea at the port
! --- the minimum index is 0
!
! --- 'kdport' = port orientation (1=N, 2=S, 3=E, 4=W, 5=Fundy(S))
! --- 'ifport' = first i-index
! --- 'ilport' = last i-index (=ifport for N or S orientation)
! --- 'jfport' = first j-index
! --- 'jlport' = last j-index (=jfport for E or W orientation)
! --- 'lnport' = port length (calculated, not input)
call blkini(kdpt_p(l),'kdpt_p')
if (kdpt_p(l).ne.kdport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the kdport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(ifpt_p(l),'ifpt_p')
if (ifpt_p(l).ne.ifport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the ifport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(ilpt_p(l),'ilpt_p')
if (ilpt_p(l).ne.ilport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the ilport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(jfpt_p(l),'jfpt_p')
if (jfpt_p(l).ne.jfport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the jfport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(jlpt_p(l),'jlpt_p')
if (jlpt_p(l).ne.jlport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the jlport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
if (kdport(l).eq.4) then
!
! western port
!
do j= jfport(l),jlport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_p(l,j,ic) = tmp1
z1i_p(l,j,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.3) then
!
! eastern port
do j= jfport(l),jlport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_p(l,j,ic) = tmp1
z1i_p(l,j,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.1) then
!
! northern port
!
do i= ifport(l),ilport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_p(l,i,ic) = tmp1
z1i_p(l,i,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.2) then
!
! southern port
!
do i= ifport(l),ilport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_p(l,i,ic) = tmp1
z1i_p(l,i,ic) = tmp2
enddo
enddo
endif !kdport=
! Close the l = 1, nports loop
enddo !nports
close(uoff+99)
! -------------------------------------------------------------
! Now the normal-velocity points
open(unit=uoff+99,file=trim(flnminp)//'tidalports_v.input')
! --- 'nports' = number of boundary port sections.
call blkini(npts_u,'npts_u')
if (mnproc.eq.1) then
write(lp,*)
endif
if (npts_u.ne.nports) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error number of ports needs to be same'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
do l= 1,nports
!
! --- port location is w.r.t. u (EW) or v (NS) grid
! --- and identifies the sea at the port
! --- the minimum index is 0
!
! --- 'kdport' = port orientation (1=N, 2=S, 3=E, 4=W, 5=Fundy(S))
! --- 'ifport' = first i-index
! --- 'ilport' = last i-index (=ifport for N or S orientation)
! --- 'jfport' = first j-index
! --- 'jlport' = last j-index (=jfport for E or W orientation)
! --- 'svpnow' = existing port transport in Sv (+ve towards E or S)
! --- 'svport' = target port transport in Sv (+ve towards E or S)
! --- 'lnport' = port length (calculated, not input)
call blkini(kdpt_u(l),'kdpt_u')
if (kdpt_u(l).ne.kdport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the kdport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(ifpt_u(l),'ifpt_u')
if (ifpt_u(l).ne.ifport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the ifport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(ilpt_u(l),'ilpt_u')
if (ilpt_u(l).ne.ilport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the ilport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(jfpt_u(l),'jfpt_u')
if (jfpt_u(l).ne.jfport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the jfport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
call blkini(jlpt_u(l),'jlpt_u')
if (jlpt_u(l).ne.jlport(l)) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'Mismatch of the jlport'
write(lp,*)
call flush(lp)
endif
call xcstop('(latbdp)')
stop '(latbdp)'
endif
if (kdport(l).eq.4) then
!
! western port
!
do j= jfport(l),jlport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_u(l,j,ic) = tmp1
z1i_u(l,j,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.3) then
!
! eastern port
do j= jfport(l),jlport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_u(l,j,ic) = tmp1
z1i_u(l,j,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.1) then
!
! northern port
!
do i= ifport(l),ilport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_u(l,i,ic) = tmp1
z1i_u(l,i,ic) = tmp2
enddo
enddo
!
elseif (kdport(l).eq.2) then
!
! southern port
!
do i= ifport(l),ilport(l)
do ic = 1, ncon
read(uoff+99,*) tmp1, tmp2
z1r_u(l,i,ic) = tmp1
z1i_u(l,i,ic) = tmp2
enddo
enddo
endif !kdport=
! Close the l = 1, nports loop
enddo !nports
close(uoff+99)
!*****************END OF READING THE TIDAL CONSTITUENTS
endif !tidflg.ge.1
!
! --- check ports against masks,
! --- mark the port locations on masks and print them out.
!
lfatal = .false.
do l= 1,nports
lfatalp = .false.
!
if (kdport(l).eq.4) then
!
! western port
!
i = ifport(l)
do j= jfport(l),jlport(l)
if (i.lt.1 .or. i.gt.itdm .or. &
j.lt.1 .or. j.gt.jtdm ) then
lfatalp = .true.
elseif (i.le.i0 .or. i.gt.i0+ii .or. &
j.le.j0 .or. j.gt.j0+jj ) then
cycle ! not on this tile.
elseif (iu(i-i0,j-j0).ne.0) then
lfatalp = .true.
iu(i-i0,j-j0) = 9 !indicate an error
else
iu(i-i0,j-j0) = -1
endif
if (iu(i-i0+1,j-j0).ne.1 .or. &
iu(i-i0+2,j-j0).ne.1 ) then
lfatalp = .true.
iu(i-i0,j-j0) = 7 !indicate an error
endif
enddo
!
elseif (kdport(l).eq.3) then
!
! eastern port
!
i = ifport(l)
do j= jfport(l),jlport(l)
if (i.lt.1 .or. i.gt.itdm .or. &
j.lt.1 .or. j.gt.jtdm ) then
lfatalp = .true.
elseif (i.le.i0 .or. i.gt.i0+ii .or. &
j.le.j0 .or. j.gt.j0+jj ) then
cycle ! not on this tile.
elseif (iu(i-i0,j-j0).ne.0) then
lfatalp = .true.
iu(i-i0,j-j0) = 9 !indicate an error
else
iu(i-i0,j-j0) = -1
endif
if (iu(i-i0-1,j-j0).ne.1 .or. &
iu(i-i0-2,j-j0).ne.1 ) then
lfatalp = .true.
iu(i-i0,j-j0) = 7 !indicate an error
endif
enddo
!
elseif (kdport(l).eq.1) then
!
! northern port
!
j = jfport(l)
do i= ifport(l),ilport(l)
if (i.lt.1 .or. i.gt.itdm .or. &
j.lt.3 .or. j.gt.jtdm ) then
lfatalp = .true.
elseif (i.le.i0 .or. i.gt.i0+ii .or. &
j.le.j0 .or. j.gt.j0+jj ) then
cycle ! not on this tile.
elseif (iv(i-i0,j-j0).ne.0) then
lfatalp = .true.
iv(i-i0,j-j0) = 9 !indicate an error
else
iv(i-i0,j-j0) = -1
endif
if (iv(i-i0,j-j0-1).ne.1 .or. &
iv(i-i0,j-j0-2).ne.1 ) then
lfatalp = .true.
iv(i-i0,j-j0) = 7 !indicate an error
endif
enddo
!
elseif (kdport(l).eq.2.or.kdport(l).eq.5) then
!
! southern port
!
j = jfport(l)
do i= ifport(l),ilport(l)
if (i.lt.1 .or. i.gt.itdm .or. &
j.lt.1 .or. j.gt.jtdm-2 ) then
lfatalp = .true.
elseif (i.le.i0 .or. i.gt.i0+ii .or. &
j.le.j0 .or. j.gt.j0+jj ) then
cycle ! not on this tile.
elseif (iv(i-i0,j-j0).ne.0) then
lfatalp = .true.
iv(i-i0,j-j0) = 9 !indicate an error
else
iv(i-i0,j-j0) = -1
endif
if (iv(i-i0,j-j0+1).ne.1 .or. &
iv(i-i0,j-j0+2).ne.1 ) then
lfatalp = .true.
iv(i-i0,j-j0) = 7 !indicate an error
endif
enddo
!
endif !kdport=
!
if (lfatalp) then
write(lp,*)
write(lp,*) 'error in latbdp - port ',l,' mislocated', &
' (mnproc = ',mnproc,')'
write(lp,*)
call flush(lp)
endif
lfatal = lfatal .or. lfatalp
enddo !nports
!
! local lfatal to global lfatal
!
if (lfatal) then
fatal = 1.0
else
fatal = 0.0
endif
call xcmaxr(fatal)
lfatal = fatal.gt.0.5
!
! --- write out -iu- and -iv- arrays, if they are not too big
! --- data are written in strips nchar points wide
if (lfatal .or. max(itdm,jtdm).le.2*nchar) then
util1(1:ii,1:jj) = iu(1:ii,1:jj) ! xclget is for real arrays
isec=(itdm-1)/nchar
do ifrst=0,nchar*isec,nchar
ilast=min(itdm,ifrst+nchar)
write (char3,'(i3)') ilast-ifrst
fmt(8:10)=char3
if (mnproc.eq.1) then
write (lp,'(a,i6,a,i6)') &
'iu array, cols',ifrst+1,' --',ilast
endif
do j= jtdm,1,-1
call xclget(aline,ilast-ifrst, util1,ifrst+1,j,1,0, 1)
if (mnproc.eq.1) then
write (lp,fmt) j,(nint(aline(i)),i=1,ilast-ifrst)
endif
enddo
enddo
if (mnproc.eq.1) then
write (lp,*)
endif
call xcsync(flush_lp)
!
util1(1:ii,1:jj) = iv(1:ii,1:jj) ! xclget is for real arrays
isec=(itdm-1)/nchar
do ifrst=0,nchar*isec,nchar
ilast=min(itdm,ifrst+nchar)
write (char3,'(i3)') ilast-ifrst
fmt(8:10)=char3
if (mnproc.eq.1) then
write (lp,'(a,i6,a,i6)') &
'iv array, cols',ifrst+1,' --',ilast
endif
do j= jtdm,1,-1
call xclget(aline,ilast-ifrst, util1,ifrst+1,j,1,0, 1)
if (mnproc.eq.1) then
write (lp,fmt) j,(nint(aline(i)),i=1,ilast-ifrst)
endif
enddo
enddo
if (mnproc.eq.1) then
write (lp,*)
endif
call xcsync(flush_lp)
endif ! small region
!
if (lfatal) then
write(lp,*)
write(lp,*) 'error in latbdp - bad port(s)'
write(lp,*)
call flush(lp)
call xchalt('(latbdp)')
stop '(latbdp)'
endif
!
! --- restore iu and iv, and zero iuopn and ivopn.
!
! $OMP PARALLEL DO PRIVATE(j,i)
! $OMP& SCHEDULE(STATIC,jblk)
do j= 1,jj
do i= 1,ii
iu(i,j) = max( iu(i,j), 0 )
iv(i,j) = max( iv(i,j), 0 )
enddo
enddo
! $OMP PARALLEL DO PRIVATE(j,i)
! $OMP& SCHEDULE(STATIC,jblk)
do j= 1-nbdy,jj+nbdy
do i= 1-nbdy,ii+nbdy
iuopn(i,j) = 0
ivopn(i,j) = 0
enddo
enddo
!
! --- initialize the ports
!
do l= 1,nports
if (kdport(l).eq.4) then
!
! western port
!
sum = 0.0
i = ifport(l)
j = jfport(l)
call xclget(dline(j),lnport(l), depths,i,j,0,1, 0)
call xclget(xline(j),lnport(l), scuy, i, j,0,1, 0)
do j= jfport(l),jlport(l)
sum = sum + dline(j)*xline(j)
enddo
sum = 1.e6/sum
do j= jfport(l),jlport(l)
uportw(j,l) = sum
speedw(j,l) = sqrt(1.0*svref/(onem*dline(j)))
rspedw(j,l) = 1.0/speedw(j,l)
if (i.ge.i0+ 1-nbdy .and. &
i.le.i0+ii+nbdy .and. &
j.ge.j0+ 1-nbdy .and. &
j.le.j0+jj+nbdy ) then
iuopn(i-i0,j-j0) = 1
endif
enddo
!
elseif (kdport(l).eq.3) then
!
! eastern port
!
sum = 0.0
i = ifport(l)-1
j = jfport(l)
call xclget(dline(j),lnport(l), depths,i, j,0,1, 0)
call xclget(xline(j),lnport(l), scuy, i+1,j,0,1, 0)
do j= jfport(l),jlport(l)
sum = sum + dline(j)*xline(j)
enddo
sum = 1.e6/sum
do j= jfport(l),jlport(l)
uporte(j,l) = sum
speede(j,l) = sqrt(1.0*svref/(onem*dline(j)))
rspede(j,l) = 1.0/speede(j,l)
if (i+1.ge.i0+ 1-nbdy .and. &
i+1.le.i0+ii+nbdy .and. &
j .ge.j0+ 1-nbdy .and. &
j .le.j0+jj+nbdy ) then
iuopn(i-i0+1,j-j0) = 1
endif
enddo
!
elseif (kdport(l).eq.1) then
!
! northern port
!
sum = 0.0
j = jfport(l)-1
i = ifport(l)
call xclget(dline(i),lnport(l), depths,i,j, 1,0, 0)
call xclget(xline(i),lnport(l), scuy, i,j+1,1,0, 0)
do i= ifport(l),ilport(l)
sum = sum + dline(i)*xline(i)
enddo
sum = 1.e6/sum
do i= ifport(l),ilport(l)
vportn(i,l) = sum
speedn(i,l) = sqrt(1.0*svref/(onem*dline(i)))
rspedn(i,l) = 1.0/speedn(i,l)
if (i .ge.i0+ 1-nbdy .and. &
i .le.i0+ii+nbdy .and. &
j+1.ge.j0+ 1-nbdy .and. &
j+1.le.j0+jj+nbdy ) then
ivopn(i-i0,j-j0+1) = 1
endif
enddo
!
elseif (kdport(l).eq.2.or.kdport(l).eq.5) then
!
! southern port
!
sum = 0.0
j = jfport(l)
i = ifport(l)
call xclget(dline(i),lnport(l), depths,i,j,1,0, 0)
call xclget(xline(i),lnport(l), scuy, i,j, 1,0, 0)
do i= ifport(l),ilport(l)
sum = sum + dline(i)*xline(i)
enddo
sum = 1.e6/sum
do i= ifport(l),ilport(l)
vports(i,l) = sum
speeds(i,l) = sqrt(1.0*svref/(onem*dline(i)))
rspeds(i,l) = 1.0/speeds(i,l)
if (i.ge.i0+ 1-nbdy .and. &
i.le.i0+ii+nbdy .and. &
j.ge.j0+ 1-nbdy .and. &
j.le.j0+jj+nbdy ) then
ivopn(i-i0,j-j0) = 1
endif
enddo
!
endif
!
enddo !nports
if (mnproc.eq.1) then
write(lp,*)
call flush(lp)
endif
!
! end of initialization
!
call xcsync(flush_lp)
return
endif !lcount=1
if ((lll.eq.0) .or. (n.eq.0)) return !called from dpthuv
!
! --- 'wellposed' treatment of pressure and normal velocity fields
! --- not in fact wellposed with this exterior data
!
! --- set ramping factor
! when ramp_time=0:no ramping of tide (=full tide)
! when ramp_time>0: ramping of tide, if...
! ...ramp_orig<=timermp<=(ramp_orig+ramp_time)
if (ramp_time.gt.0.0) then
timermp=d_time
if (timermp.ge.ramp_orig) then
timermp=(timermp-ramp_orig)/ramp_time
! frmp=(1-exp(-10*timermp))
frmp=(1-exp(-5*timermp))
else
frmp=0.0
endif
else
frmp=1.0
endif
!
do l=1,nports
if (kdport(l).eq.4) then
!
! western port
!
i = ifport(l)