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forfun.f+97
executable file
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forfun.f+97
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subroutine forday(dtime,yrflag, iyear,iday,ihour)
use mod_xc ! HYCOM communication interface
implicit none
c
real*8 dtime
integer yrflag, iyear,iday,ihour
c
c --- converts model day to "calendar" date (year,ordinal-day,hour).
c
real*8 dtim1,day
integer iyr,nleap
c
if (yrflag.eq.0) then
c --- 360 days per model year, starting Jan 16
iyear = int((dtime+15.001d0)/360.d0) + 1
iday = mod( dtime+15.001d0 ,360.d0) + 1
ihour = (mod( dtime+15.001d0 ,360.d0) + 1.d0 - iday)*24.d0
c
elseif (yrflag.eq.1) then
c --- 366 days per model year, starting Jan 16
iyear = int((dtime+15.001d0)/366.d0) + 1
iday = mod( dtime+15.001d0 ,366.d0) + 1
ihour = (mod( dtime+15.001d0 ,366.d0) + 1.d0 - iday)*24.d0
c
elseif (yrflag.eq.2) then
c --- 366 days per model year, starting Jan 01
iyear = int((dtime+ 0.001d0)/366.d0) + 1
iday = mod( dtime+ 0.001d0 ,366.d0) + 1
ihour = (mod( dtime+ 0.001d0 ,366.d0) + 1.d0 - iday)*24.d0
c
elseif (yrflag.eq.3) then
c --- model day is calendar days since 01/01/1901
iyr = (dtime-1.d0)/365.25d0
nleap = iyr/4
dtim1 = 365.d0*iyr + nleap + 1.d0
day = dtime - dtim1 + 1.d0
if (dtim1.gt.dtime) then
iyr = iyr - 1
elseif (day.ge.367.d0) then
iyr = iyr + 1
elseif (day.ge.366.d0 .and. mod(iyr,4).ne.3) then
iyr = iyr + 1
endif
nleap = iyr/4
dtim1 = 365.d0*iyr + nleap + 1.d0
c
iyear = 1901 + iyr
iday = dtime - dtim1 + 1.001d0
ihour = (dtime - dtim1 + 1.001d0 - iday)*24.d0
c
else
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forday - unsupported yrflag value'
write(lp,*)
endif !1st tile
call xcstop('(forday)')
stop '(forday)'
endif
return
end
c
c
subroutine forfuna
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_za ! HYCOM I/O interface
implicit none
c
c --- initialize input of atmospheric forcing fields
c
c --- units of tau_x are N/m^2 (positive eastwards w.r.t. the grid)
c --- units of tau_y are N/m^2 (positive northwards w.r.t. the grid)
c --- units of wnd_x are m/s (positive eastwards w.r.t. the grid)
c --- units of wnd_y are m/s (positive northwards w.r.t. the grid)
c --- units of wndspd are m/s
c --- units of ustar are m/s
c --- units of airtmp are degC
c --- units of surtmp are degC
c --- units of seatmp are degC
c --- units of vapmix are kg/k
c --- units of mslprs are Pa (anomaly, offset from total by prsbas)
c --- units of precip are m/s (positive into ocean)
c --- units of radflx are w/m^2 (positive into ocean)
c --- units of swflx are w/m^2 (positive into ocean)
c --- units of offlux are w/m^2 (positive into ocean)
c --- units of oftaux are N/m^2 (positive eastwards w.r.t. the grid)
c --- units of oftauy are N/m^2 (positive northwards w.r.t. the grid)
c
c --- tau_x and tau_y are either on u&v grids or both on the p grid,
c --- depending on the value of blkdat input parameter "wndflg".
c --- in any case, they are always oriented along the local grid
c --- which need not be east-west and north-south.
c --- all other fields, including wnd* and ustar, are always on the p grid.
c
c --- I/O and array I/O units 899-910 are reserved for the entire run.
c
c --- all input fields must be defined at all grid points
c
integer mreca,mrecc,mreck,mrecr
common/rdforfi/ mreca,mrecc,mreck,mrecr
save /rdforfi/
c
integer lgth,mo
character preambl(5)*79
real pcmax,one,oneps
integer i,j
c
mreca=1
if (mnproc.eq.1) then
write (lp,*) ' now opening forcing fields ...'
endif !1st tile
call xcsync(flush_lp)
c
lgth = len_trim(flnmfor)
c
if (mslprf) then
call zaiopf(flnmfor(1:lgth)//'forcing.mslprs.a', 'old', 899)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+899,file=flnmfor(1:lgth)//'forcing.mslprs.b',
& status='old', action='read')
read (uoff+899,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 899)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.,
cdiag. 'mslprs (Pa)')
endif !mslprf
c
if (windf) then
c
if (wndflg.lt.4) then
call zaiopf(flnmfor(1:lgth)//'forcing.tauewd.a', 'old', 901)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+901,file=flnmfor(1:lgth)//'forcing.tauewd.b',
& status='old', action='read')
read (uoff+901,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 901)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1000.,
cdiag. 'tau_x (x 1000 N/m^2 ) ')
c
call zaiopf(flnmfor(1:lgth)//'forcing.taunwd.a', 'old', 902)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+902,file=flnmfor(1:lgth)//'forcing.taunwd.b',
& status='old', action='read')
read (uoff+902,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 902)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1000.,
cdiag. 'tau_y (x 1000 N/m^2 ) ')
else !read 10m wind components
call zaiopf(flnmfor(1:lgth)//'forcing.wndewd.a', 'old', 901)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+901,file=flnmfor(1:lgth)//'forcing.wndewd.b',
& status='old', action='read')
read (uoff+901,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 901)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.,
cdiag. 'wnd_x (m/s ) ')
c
call zaiopf(flnmfor(1:lgth)//'forcing.wndnwd.a', 'old', 902)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+902,file=flnmfor(1:lgth)//'forcing.wndnwd.b',
& status='old', action='read')
read (uoff+902,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 902)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.,
cdiag. 'wnd_y (m/s) ')
endif !stress:wind
c
if (stroff) then
call zaiopf(flnmfor(1:lgth)//'forcing.ofstrs.a', 'old', 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+916,file=flnmfor(1:lgth)//'forcing.ofstrs.b',
& status='old', action='read')
read (uoff+916,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(oftaux, 916)
call rdmonth(oftauy, 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
close( unit=uoff+916)
endif
call zaiocl(916)
cdiag call prtmsk(ip,oftaux,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'taux offset (N) ')
cdiag call prtmsk(ip,oftauy,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'tauy offset (N) ')
else
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
oftaux(i,j) = 0.0
oftauy(i,j) = 0.0
enddo !i
enddo !j
endif !stroff:else
c
endif ! windf = .true.
c
if (thermo) then
c
if (ustflg.eq.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.ustar.a', 'old', 900)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+900,file=flnmfor(1:lgth)//'forcing.ustar.b',
& status='old', action='read')
read (uoff+900,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 900)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1000.,
cdiag. 'ustar (x 1000 ???)')
endif !ustflg.eq.3
c
if (wndflg.lt.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.wndspd.a', 'old', 903)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+903,file=flnmfor(1:lgth)//'forcing.wndspd.b',
& status='old', action='read')
read (uoff+903,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 903)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,10.,
cdiag. 'wind speed (x 10 m/s)')
endif !wndflg.lt.3
c
call zaiopf(flnmfor(1:lgth)//'forcing.airtmp.a', 'old', 904)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+904,file=flnmfor(1:lgth)//'forcing.airtmp.b',
& status='old', action='read')
read (uoff+904,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 904)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,10.,
cdiag. 'air temperature (0.1 c)')
c
call zaiopf(flnmfor(1:lgth)//'forcing.vapmix.a', 'old', 905)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+905,file=flnmfor(1:lgth)//'forcing.vapmix.b',
& status='old', action='read')
read (uoff+905,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 905)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,10000.,
cdiag. 'mixing ratio (0.1 g/kg)')
c
if (pcipf) then
call zaiopf(flnmfor(1:lgth)//'forcing.precip.a', 'old', 906)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+906,file=flnmfor(1:lgth)//'forcing.precip.b',
& status='old', action='read')
read (uoff+906,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
pcmax = -huge(pcmax)
call rdmonth(util1, 906)
do j=1,jj
do i=1,ii
pcmax = max(pcmax,util1(i,j))
enddo
enddo
call xcmaxr(pcmax)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,86400.*36000.,
cdiag. 'precipitation (cm/year) ')
c
c --- zero fields implies no surface salinity flux
pcipf = pcmax.ne.0.0
if (.not.pcipf) then
if (mnproc.eq.1) then
write (lp,*)
write (lp,*) '***** no surface salinity flux *****'
write (lp,*)
endif !1st tile
call xcsync(flush_lp)
endif !pcipf actually .false.
endif !pcipf initially .true.
c
call zaiopf(flnmfor(1:lgth)//'forcing.radflx.a', 'old', 907)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+907,file=flnmfor(1:lgth)//'forcing.radflx.b',
& status='old', action='read')
read (uoff+907,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 907)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'net radiation (w/m^2 ) ')
c
call zaiopf(flnmfor(1:lgth)//'forcing.shwflx.a', 'old', 908)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+908,file=flnmfor(1:lgth)//'forcing.shwflx.b',
& status='old', action='read')
read (uoff+908,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 908)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'sw radiation (w/m^2 ) ')
c
endif ! thermo = .true.
c
if (lwflag.eq.2 .or. sstflg.eq.2 .or.
& icmflg.eq.2 .or. ticegr.eq.0.0 ) then
call zaiopf(flnmfor(1:lgth)//'forcing.surtmp.a', 'old', 909)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+909,file=flnmfor(1:lgth)//'forcing.surtmp.b',
& status='old', action='read')
read (uoff+909,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 909)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'SST from lw rad (degC) ')
endif !surtmp
c
if (sstflg.eq.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.seatmp.a', 'old', 910)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+910,file=flnmfor(1:lgth)//'forcing.seatmp.b',
& status='old', action='read')
read (uoff+910,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(util1, 910)
cdiag call prtmsk(ip,util1,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'SST from obs. (degC) ')
endif !sstflg.eq.3
c
if (flxoff) then
call zaiopf(flnmfor(1:lgth)//'forcing.offlux.a', 'old', 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+916,file=flnmfor(1:lgth)//'forcing.offlux.b',
& status='old', action='read')
read (uoff+916,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(offlux, 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
close( unit=uoff+916)
endif
call zaiocl(916)
cdiag call prtmsk(ip,offlux,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'heat flux offset (w/m^2 ) ')
else
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
offlux(i,j) = 0.0
enddo !i
enddo !j
endif !flxoff:else
c
c --- jerlov used in call to swfrac_ij
if (jerlv0.gt.0) then
c --- calculate jerlov water type,
c --- which governs the penetration depth of shortwave radiation.
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
c --- map shallow depths to high jerlov numbers
jerlov(i,j)=6-max(1,min(5,int(depths(i,j)/15.0)))
jerlov(i,j)=max(jerlv0,jerlov(i,j))
enddo
enddo
else
c --- jerlv0= 0 uses an input annual/monthly kpar field
c --- jerlv0=-1 uses an input annual/monthly chl field
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
jerlov(i,j)=jerlv0
enddo
enddo
endif
c
if (mnproc.eq.1) then
write (lp,*) ' ...finished opening forcing fields'
endif !1st tile
call xcsync(flush_lp)
c
return
end
c
c
subroutine forfund(tiddrg)
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_za ! HYCOM I/O interface
implicit none
c
integer tiddrg
c
c --- initialize tidal drag tensor
c
c --- units of dragrh and drgten are m/s on the p-grid.
c --- dragrh and drgten should be positive.
c
c --- I/O and array I/O unit 925 used here, but not reserved.
c
c --- all input fields must be defined at all grid points
c
integer i,j,k,l,lgth
c
if (mnproc.eq.1) then
if (tiddrg.eq.1) then
write (lp,*) ' now opening tidal drag rh field ...'
else
write (lp,*) ' now opening tidal drag tensor fields ...'
endif !tiddrg
endif !1st tile
call xcsync(flush_lp)
c
lgth = len_trim(flnmfor)
c
if (tiddrg.eq.1) then
c --- original filename, 1 field (rh)
call zaiopf(flnmfor(1:lgth)//'tidal.rh.a', 'old', 925)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+925,file=flnmfor(1:lgth)//'tidal.rh.b',
& status='old', action='read')
endif !1st tile
call rdmonth(util1, 925)
call xctilr( util1,1,1, nbdy,nbdy, halo_ps)
c --- cast scalar to tensor drag.
drgten(1,1,:,:) = drgscl*util1(:,:) !uu
drgten(1,2,:,:) = 0.0 !uv
drgten(2,1,:,:) = 0.0 !vu
drgten(2,2,:,:) = drgscl*util1(:,:) !vv
else
c --- drag tensor filename, 4 fields uu, uv, vv, vu
call zaiopf(flnmfor(1:lgth)//'tidal.tensor.a', 'old', 925)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+925,file=flnmfor(1:lgth)//'tidal.tensor.b',
& status='old', action='read')
endif !1st tile
call rdmonth(util1, 925)
call xctilr( util1,1,1, nbdy,nbdy, halo_ps)
drgten(1,1,:,:) = drgscl*util1(:,:) !uu
call rdmonth(util1, 925)
call xctilr( util1,1,1, nbdy,nbdy, halo_ps)
drgten(1,2,:,:) = drgscl*util1(:,:) !uv
call rdmonth(util1, 925)
call xctilr( util1,1,1, nbdy,nbdy, halo_ps)
drgten(2,1,:,:) = drgscl*util1(:,:) !vu
call rdmonth(util1, 925)
call xctilr( util1,1,1, nbdy,nbdy, halo_ps)
drgten(2,2,:,:) = drgscl*util1(:,:) !vv
endif !tiddrg
if (mnproc.eq.1) then ! .b file from 1st tile only
close (unit=uoff+925)
endif
call zaiocl(925)
c
if (mnproc.eq.1) then
if (tiddrg.eq.1) then
write (lp,*) ' ...finished opening tidal drag rh field'
else
write (lp,*) ' ...finished opening tidal drag tensor fields'
endif !tiddrg
endif !1st tile
call xcsync(flush_lp)
c
return
end
c
c
subroutine forfunh(dtime)
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_za ! HYCOM I/O interface
implicit none
c
real*8 dtime
c
c --- high frequency atmospheric forcing field processing.
c
c --- units of tau_x are N/m^2 (positive eastwards w.r.t. the grid)
c --- units of tau_y are N/m^2 (positive northwards w.r.t. the grid)
c --- units of wnd_x are m/s (positive eastwards w.r.t. the grid)
c --- units of wnd_y are m/s (positive northwards w.r.t. the grid)
c --- units of wndspd are m/s
c --- units of ustar are m/s
c --- units of airtmp are degC
c --- units of surtmp are degC
c --- units of seatmp are degC
c --- units of vapmix are kg/kg
c --- units of mslprs are Pa (anomaly, offset from total by prsbas)
c --- units of precip are m/s (positive into ocean)
c --- units of radflx are w/m^2 (positive into ocean)
c --- units of swflx are w/m^2 (positive into ocean)
c --- units of offlux are w/m^2 (positive into ocean)
c
c --- tau_x and tau_y are either on u&v grids or both on the p grid,
c --- depending on the value of blkdat input parameter "wndflg".
c --- in any case, they are always oriented along the local grid
c --- which need not be east-west and north-south.
c --- all other fields, including wnd* and ustar, are always on the p grid.
c
c --- I/O and array I/O units 899-910 are reserved for the entire run.
c
c --- all input fields must be defined at all grid points
c
real*8 dtime0,dtime1
save dtime0,dtime1
c
character preambl(5)*79,cline*80
real pcmax
integer i,ios,iunit,j,lgth,nrec
c
c --- w0 negative on first call only.
if (w0.lt.-1.0) then
c
c --- initialize forcing fields
c
if (.not.windf) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunh - windf must be .true.'
write(lp,*)
endif !1st tile
call xcstop('(forfunh)')
stop '(forfunh)'
elseif (.not.thermo) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunh - thermo must be .true.'
write(lp,*)
endif !1st tile
call xcstop('(forfunh)')
stop '(forfunh)'
endif
c
if (natm.eq.4) then
c --- linear interpolation in time, so slots 3 and 4 are zero.
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
taux(i,j,natm-1) = 0.0
taux(i,j,natm) = 0.0
tauy(i,j,natm-1) = 0.0
tauy(i,j,natm) = 0.0
wndspd(i,j,natm-1) = 0.0
wndspd(i,j,natm) = 0.0
ustara(i,j,natm-1) = 0.0
ustara(i,j,natm) = 0.0
airtmp(i,j,natm-1) = 0.0
airtmp(i,j,natm) = 0.0
vapmix(i,j,natm-1) = 0.0
vapmix(i,j,natm) = 0.0
mslprs(i,j,natm-1) = 0.0
mslprs(i,j,natm) = 0.0
precip(i,j,natm-1) = 0.0
precip(i,j,natm) = 0.0
radflx(i,j,natm-1) = 0.0
radflx(i,j,natm) = 0.0
swflx(i,j,natm-1) = 0.0
swflx(i,j,natm) = 0.0
surtmp(i,j,natm-1) = 0.0
surtmp(i,j,natm) = 0.0
seatmp(i,j,natm-1) = 0.0
seatmp(i,j,natm) = 0.0
enddo
enddo
endif !natm.eq.4
c
c --- open all forcing files.
if (mnproc.eq.1) then
write (lp,*) ' now initializing forcing fields ...'
endif !1st tile
call xcsync(flush_lp)
c
lgth = len_trim(flnmfor)
c
if (mslprf) then
call zaiopf(flnmfor(1:lgth)//'forcing.mslprs.a', 'old', 899)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+899,file=flnmfor(1:lgth)//'forcing.mslprs.b',
& status='old', action='read')
read (uoff+899,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif !mslprf
c
if (wndflg.lt.4) then
call zaiopf(flnmfor(1:lgth)//'forcing.tauewd.a', 'old', 901)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+901,file=flnmfor(1:lgth)//'forcing.tauewd.b',
& status='old', action='read')
read (uoff+901,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.taunwd.a', 'old', 902)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+902,file=flnmfor(1:lgth)//'forcing.taunwd.b',
& status='old', action='read')
read (uoff+902,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
else !read 10m wind components
call zaiopf(flnmfor(1:lgth)//'forcing.wndewd.a', 'old', 901)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+901,file=flnmfor(1:lgth)//'forcing.wndewd.b',
& status='old', action='read')
read (uoff+901,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.wndnwd.a', 'old', 902)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+902,file=flnmfor(1:lgth)//'forcing.wndnwd.b',
& status='old', action='read')
read (uoff+902,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif !stress:wind
c
if (stroff) then
call zaiopf(flnmfor(1:lgth)//'forcing.ofstrs.a', 'old', 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+916,file=flnmfor(1:lgth)//'forcing.ofstrs.b',
& status='old', action='read')
read (uoff+916,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(oftaux, 916)
call rdmonth(oftauy, 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
close( unit=uoff+916)
endif
call zaiocl(916)
cdiag call prtmsk(ip,oftaux,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'taux offset (N) ')
cdiag call prtmsk(ip,oftauy,util2,idm,idm,jdm, 0.,1.0,
cdiag. 'tauy offset (N) ')
else
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
oftaux(i,j) = 0.0
oftauy(i,j) = 0.0
enddo !i
enddo !j
endif !stroff:else
c
if (ustflg.eq.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.ustar.a', 'old', 900)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+900,file=flnmfor(1:lgth)//'forcing.ustar.b',
& status='old', action='read')
read (uoff+900,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif !ustflg.eq.3
c
if (wndflg.lt.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.wndspd.a', 'old', 903)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+903,file=flnmfor(1:lgth)//'forcing.wndspd.b',
& status='old', action='read')
read (uoff+903,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif !wndflg.lt.3
c
call zaiopf(flnmfor(1:lgth)//'forcing.airtmp.a', 'old', 904)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+904,file=flnmfor(1:lgth)//'forcing.airtmp.b',
& status='old', action='read')
read (uoff+904,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.vapmix.a', 'old', 905)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+905,file=flnmfor(1:lgth)//'forcing.vapmix.b',
& status='old', action='read')
read (uoff+905,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.precip.a', 'old', 906)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+906,file=flnmfor(1:lgth)//'forcing.precip.b',
& status='old', action='read')
read (uoff+906,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.radflx.a', 'old', 907)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+907,file=flnmfor(1:lgth)//'forcing.radflx.b',
& status='old', action='read')
read (uoff+907,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
call zaiopf(flnmfor(1:lgth)//'forcing.shwflx.a', 'old', 908)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+908,file=flnmfor(1:lgth)//'forcing.shwflx.b',
& status='old', action='read')
read (uoff+908,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
c
if (lwflag.eq.2 .or. sstflg.eq.2 .or.
& icmflg.eq.2 .or. ticegr.eq.0.0 ) then
call zaiopf(flnmfor(1:lgth)//'forcing.surtmp.a', 'old', 909)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+909,file=flnmfor(1:lgth)//'forcing.surtmp.b',
& status='old', action='read')
read (uoff+909,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif !surtmp
c
if (sstflg.eq.3) then
call zaiopf(flnmfor(1:lgth)//'forcing.seatmp.a', 'old', 910)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+910,file=flnmfor(1:lgth)//'forcing.seatmp.b',
& status='old', action='read')
read (uoff+910,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
endif
c
if (flxoff) then
call zaiopf(flnmfor(1:lgth)//'forcing.offlux.a', 'old', 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
open (unit=uoff+916,file=flnmfor(1:lgth)//'forcing.offlux.b',
& status='old', action='read')
read (uoff+916,'(a79)') preambl
endif !1st tile
call preambl_print(preambl)
call rdmonth(offlux, 916)
if (mnproc.eq.1) then ! .b file from 1st tile only
close( unit=uoff+916)
endif
call zaiocl(916)
else
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
offlux(i,j) = 0.0
enddo !i
enddo !j
endif !flxoff:else
c
c --- skip ahead to the start time.
nrec = 0
dtime1 = huge(dtime1)
do ! infinate loop, with exit at end
dtime0 = dtime1
nrec = nrec + 1
call zagetc(cline,ios, uoff+901)
if (ios.ne.0) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunh - hit end of input'
write(lp,*) 'dtime0,dtime1 = ',dtime0,dtime1
write(lp,*) 'dtime = ',dtime
write(lp,*)
endif !1st tile
call xcstop('(forfunh)')
stop '(forfunh)'
endif
i = index(cline,'=')
read (cline(i+1:),*) dtime1
if (yrflag.eq.2) then
if (nrec.eq.1 .and. abs(dtime1-1096.0d0).gt.0.01) then
c
c --- climatology must start on wind day 1096.0, 01/01/1904.
if (mnproc.eq.1) then
write(lp,'(a)') cline
write(lp,'(/ a,a / a,g15.6 /)')
& 'error in forfunh - forcing climatology',
& ' must start on wind day 1096',
& 'dtime1 = ',dtime1
endif !1st tile
call xcstop('(forfunh)')
stop '(forfunh)'
endif
dtime1 = (dtime1 - 1096.0d0) +
& wndrep*int((dtime+0.00001d0)/wndrep) !wndrep=366 or 732
if (nrec.ne.1 .and. dtime1.lt.dtime0) then
dtime1 = dtime1 + wndrep
endif
elseif (nrec.eq.1 .and. dtime1.lt.1462.0d0) then
c
c --- otherwise, must start after wind day 1462.0, 01/01/1905.
if (mnproc.eq.1) then
write(lp,'(a)') cline
write(lp,'(/ a,a / a,g15.6 /)')
& 'error in forfunh - actual forcing',
& ' must start after wind day 1462',
& 'dtime1 = ',dtime1
endif !1st tile
call xcstop('(forfunh)')
stop '(forfunh)'
endif
if (dtime0.le.dtime .and. dtime1.gt.dtime) then
exit
endif
enddo ! infinate loop, with exit above
if (mnproc.eq.1) then ! .b file from 1st tile only
rewind(unit=uoff+901)
read (uoff+901,'(a79)') preambl
endif
c
do iunit= 901,908
if (iunit.eq.903 .and. wndflg.ge.3) then
cycle !no wndspd
endif
do i= 1,nrec-2
call skmonth(iunit)
enddo
enddo
if (lwflag.eq.2 .or. sstflg.eq.2 .or.
& icmflg.eq.2 .or. ticegr.eq.0.0 ) then
do i= 1,nrec-2
call skmonth(909)
enddo
endif !surtmp
if (sstflg.eq.3) then
do i= 1,nrec-2
call skmonth(910)
enddo
endif
dtime1 = huge(dtime1)
call rdpall(dtime0,dtime1)
if (yrflag.eq.2) then
dtime1 = (dtime1 - 1096.0d0) +
& wndrep*int((dtime+0.00001d0)/wndrep)
endif
call rdpall(dtime0,dtime1)
if (yrflag.eq.2) then
dtime1 = (dtime1 - 1096.0d0) +
& wndrep*int((dtime+0.00001d0)/wndrep) !wndrep=366 or 732
if (dtime1.lt.dtime0) then
dtime1 = dtime1 + wndrep
endif
endif
c
c --- zero precip field implies no surface salinity flux
if (pcipf) then
pcmax = -huge(pcmax)
do j=1,jj
do i=1,ii
pcmax = max(pcmax,precip(i,j,1),precip(i,j,2))
enddo
enddo
call xcmaxr(pcmax)
pcipf = pcmax.ne.0.0
if (.not.pcipf) then
if (mnproc.eq.1) then
write (lp,*)
write (lp,*) '***** no surface salinity flux *****'
write (lp,*)
endif !1st tile
call xcsync(flush_lp)
endif !pcipf actually .false.
endif !pcipf initially .true.
c
c --- jerlov used in call to swfrac_ij
if (jerlv0.gt.0) then
c --- calculate jerlov water type,
c --- which governs the penetration depth of shortwave radiation.
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
c --- map shallow depths to high jerlov numbers
jerlov(i,j)=6-max(1,min(5,int(depths(i,j)/15.0)))
jerlov(i,j)=max(jerlv0,jerlov(i,j))
enddo
enddo
else
c --- jerlv0= 0 uses an input annual/monthly kpar field
c --- jerlv0=-1 uses an input annual/monthly chl field
!$OMP PARALLEL DO PRIVATE(j,i)
!$OMP& SCHEDULE(STATIC,jblk)
do j=1-nbdy,jj+nbdy
do i=1-nbdy,ii+nbdy
jerlov(i,j)=jerlv0
enddo
enddo
endif
if (mnproc.eq.1) then
write (lp,*)
write (lp,*) ' dtime,dtime0,dtime1 = ',dtime,dtime0,dtime1
write (lp,*)
write (lp,*) ' ...finished initializing forcing fields'
endif !1st tile
call xcsync(flush_lp)
endif ! initialization
c
if (dtime.gt.dtime1) then
c
c --- get the next set of fields.
* if (mnproc.eq.1) then
* write(lp,*) 'enter rdpall - ',dtime,dtime0,dtime1
* endif !1st tile
* call xcsync(flush_lp)
call rdpall(dtime0,dtime1)
if (yrflag.eq.2) then
dtime1 = (dtime1 - 1096.0d0) +
& wndrep*int((dtime+0.00001d0)/wndrep) !wndrep=366 or 732
if (dtime1.lt.dtime0) then
dtime1 = dtime1 + wndrep
endif
endif
* if (mnproc.eq.1) then
* write(lp,*) ' exit rdpall - ',dtime,dtime0,dtime1
* endif !1st tile
* call xcsync(flush_lp)
endif
c
c --- linear interpolation in time.
w0 = (dtime1-dtime)/(dtime1-dtime0)
w1 = 1.0 - w0
* if (mnproc.eq.1) then
* write(lp,*) 'rdpall - dtime,w0,w1 = ',dtime,w0,w1
* endif !1st tile
* call xcsync(flush_lp)
return
end
c
c
subroutine forfunhp(dtime)
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_za ! HYCOM I/O interface
implicit none
c
real*8 dtime
c
c --- high frequency atmospheric pressure forcing field processing.
c --- call either forfunh or forfunhp, not both.
c
c --- units of mslprs are Pa (anomaly, offset from total by prsbas)
c
c --- mslprs is always on the p grid.
c --- mslprs must be defined at all grid points
c
c --- I/O and array I/O unit 899 is reserved for the entire run.
c
c
real*8 dtime0,dtime1
save dtime0,dtime1
c
character preambl(5)*79,cline*80
integer i,ios,iunit,j,lgth,nrec
c
c --- w0 negative on first call only.
if (w0.lt.-1.0) then
c
c --- initialize forcing fields
c
if (.not.mslprf) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunhp - mslprf must be .true.'
write(lp,*)
endif !1st tile
call xcstop('(forfunhp)')
stop '(forfunhp)'
elseif (windf) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunhp - windf must be .false.'
write(lp,*)
endif !1st tile
call xcstop('(forfunhp)')
stop '(forfunhp)'
elseif (thermo) then
if (mnproc.eq.1) then
write(lp,*)
write(lp,*) 'error in forfunhp - thermo must be .false.'
write(lp,*)
endif !1st tile
call xcstop('(forfunhp)')
stop '(forfunhp)'