C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_set_runoff.F,v 1.3 2009/09/01 19:33:55 jmc Exp $
C $Name: $
#include "EXF_OPTIONS.h"
subroutine EXF_SET_RUNOFF(
& genfile, genstartdate, genperiod,
& exf_inscal_gen, genremove_intercept, genremove_slope,
& genfld, gen0, gen1, genmask,
& mytime, myiter, mythid )
c ==================================================================
c SUBROUTINE exf_set_runoff
c ==================================================================
c
c o set external forcing runoff
c this is copy of exf_set_gen, but with the spatial interpolation
c capability removed, so that this routine always expects
c the runoff file to contain pre-interpolated data
c
c started: Martin.Losch@awi.de 12-Feb-2009
c ==================================================================
c SUBROUTINE exf_set_runoff
c ==================================================================
implicit none
c == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
#include "PARAMS.h"
#include "GRID.h"
#include "EXF_PARAM.h"
#include "EXF_CONSTANTS.h"
c == routine arguments ==
_RL genstartdate, genperiod
_RL exf_inscal_gen
_RL genremove_intercept, genremove_slope
_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
character*1 genmask
character*(128) genfile
_RL mytime
integer myiter
integer mythid
c == local variables ==
logical first, changed
integer count0, count1
integer year0, year1
integer bi, bj, i, j
_RL fac
character*(128) genfile0, genfile1
c == external ==
integer ilnblnk
external
c == end of interface ==
if ( genfile .NE. ' ' .and. genperiod .ne. 0 ) then
cph(
cph-exf-print if (genfile .EQ. hfluxfile) year0 = 3000
cph)
if ( genperiod .eq. -12 ) then
c genperiod=-12 means input file contains 12 monthly means
c record numbers are assumed 1 to 12 corresponding to
c Jan. through Dec.
call CAL_GETMONTHSREC(
O fac, first, changed,
O count0, count1,
I mytime, myiter, mythid
& )
elseif ( genperiod .lt. 0 ) then
print *, 'genperiod is out of range'
STOP 'ABNORMAL END: S/R EXF_SET_RUNOFF'
else
c get record numbers and interpolation factor for gen
call EXF_GETFFIELDREC(
I genstartdate, genperiod
I , useExfYearlyFields
O , fac, first, changed
O , count0, count1, year0, year1
I , mytime, myiter, mythid
& )
endif
if ( first ) then
call EXF_GETYEARLYFIELDNAME(
I useExfYearlyFields, twoDigitYear, genperiod, year0,
I genfile,
O genfile0,
I mytime, myiter, mythid )
if (exf_yftype .eq. 'RL') then
CALL READ_REC_3D_RL( genfile0, exf_iprec, 1,
& gen1, count0, myIter, myThid )
call EXF_FILTER_RL( gen1, genmask, mythid )
else
c CALL READ_REC_3D_RS( genfile0, exf_iprec, 1,
c & gen1, count0, myIter, myThid )
c call exf_filter_rs( gen1, genmask, mythid )
STOP 'S/R EXF_SET_RUNOFF: invalid exf_yftype'
end
if
endif
if (( first ) .or. ( changed )) then
call EXF_SWAPFFIELDS( gen0, gen1, mythid )
call EXF_GETYEARLYFIELDNAME(
I useExfYearlyFields, twoDigitYear, genperiod, year1,
I genfile,
O genfile1,
I mytime, myiter, mythid )
if (exf_yftype .eq. 'RL') then
CALL READ_REC_3D_RL( genfile1, exf_iprec, 1,
& gen1, count1, myIter, myThid )
call EXF_FILTER_RL( gen1, genmask, mythid )
else
c CALL READ_REC_3D_RS( genfile1, exf_iprec, 1,
c & gen1, count1, myIter, myThid )
c call exf_filter_rs( gen1, genmask, mythid )
STOP 'S/R EXF_SET_RUNOFF: invalid exf_yftype'
endif
endif
c Loop over tiles.
do bj = mybylo(mythid),mybyhi(mythid)
do bi = mybxlo(mythid),mybxhi(mythid)
do j = 1,sny
do i = 1,snx
c Interpolate linearly onto the time.
genfld(i,j,bi,bj) = exf_inscal_gen * (
& fac * gen0(i,j,bi,bj) +
& (exf_one - fac) * gen1(i,j,bi,bj) )
genfld(i,j,bi,bj) =
& genfld(i,j,bi,bj) -
& exf_inscal_gen * ( genremove_intercept +
& genremove_slope*(mytime-starttime) )
enddo
enddo
enddo
enddo
endif
RETURN
END
C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
subroutine EXF_INIT_RUNOFF (
& genfile, genperiod, exf_inscal_gen, genmask,
& genconst, genfld, gen0, gen1,
& mythid )
c ==================================================================
c SUBROUTINE exf_init_runoff
c ==================================================================
c
c o set external forcing runoff
c this is copy of exf_set_init, but with the spatial interpolation
c capability removed, so that this routine always expects
c the runoff file to contain pre-interpolated data
c
c ==================================================================
c SUBROUTINE exf_init_runoff
c ==================================================================
implicit none
c == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
#include "EXF_PARAM.h"
c == routine arguments ==
_RL genperiod, exf_inscal_gen, genconst
_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy)
character*1 genmask
character*(128) genfile
integer mythid
c == local variables ==
integer bi, bj, i, j, count
c == end of interface ==
do bj = mybylo(mythid), mybyhi(mythid)
do bi = mybxlo(mythid), mybxhi(mythid)
do j = 1-oly, sny+oly
do i = 1-olx, snx+olx
genfld(i,j,bi,bj) = genconst
gen0(i,j,bi,bj) = genconst
gen1(i,j,bi,bj) = genconst
enddo
enddo
enddo
enddo
if ( genfile .NE. ' ' .and. genperiod .eq. 0. ) then
count = 1
if (exf_yftype .eq. 'RL') then
CALL READ_REC_3D_RL( genfile, exf_iprec, 1,
& genfld, count, 0, myThid )
call EXF_FILTER_RL( genfld, genmask, mythid )
else
c CALL READ_REC_3D_RS( genfile, exf_iprec, 1,
c & genfld, count, 0, myThid )
c call exf_filter_rs( genfld, genmask, mythid )
STOP 'S/R EXF_INIT_RUNOFF: invalid exf_yftype'
endif
c Loop over tiles and scale genfld
do bj = mybylo(mythid),mybyhi(mythid)
do bi = mybxlo(mythid),mybxhi(mythid)
do j = 1,sny
do i = 1,snx
genfld(i,j,bi,bj) =
& exf_inscal_gen * genfld(i,j,bi,bj)
enddo
enddo
enddo
enddo
endif
RETURN
END