| 1 |
heimbach |
1.19 |
C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_set_gen.F,v 1.18 2007/04/16 23:27:21 jmc Exp $ |
| 2 |
jmc |
1.18 |
C $Name: $ |
| 3 |
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| 4 |
edhill |
1.7 |
#include "EXF_OPTIONS.h" |
| 5 |
heimbach |
1.2 |
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| 6 |
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subroutine exf_set_gen( |
| 7 |
heimbach |
1.10 |
& genfile, genstartdate, genperiod, |
| 8 |
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& genstartdate1, genstartdate2, |
| 9 |
heimbach |
1.13 |
& exf_inscal_gen, genremove_intercept, genremove_slope, |
| 10 |
dimitri |
1.3 |
& genfld, gen0, gen1, genmask, |
| 11 |
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#ifdef USE_EXF_INTERPOLATION |
| 12 |
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& gen_lon0, gen_lon_inc, gen_lat0, gen_lat_inc, |
| 13 |
dimitri |
1.11 |
& gen_nlon, gen_nlat, gen_xout, gen_yout, interp_method, |
| 14 |
dimitri |
1.3 |
#endif |
| 15 |
heimbach |
1.13 |
& mytime, myiter, mythid ) |
| 16 |
heimbach |
1.2 |
|
| 17 |
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c ================================================================== |
| 18 |
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c SUBROUTINE exf_set_gen |
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c ================================================================== |
| 20 |
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c |
| 21 |
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c o set external forcing gen |
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c |
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
| 24 |
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c changed: heimbach@mit.edu 10-Jan-2002 |
| 25 |
dimitri |
1.4 |
c 20-Dec-2002: mods for pkg/seaice, menemenlis@jpl.nasa.gov |
| 26 |
heimbach |
1.2 |
c heimbach@mit.edu: totally re-organized exf_set_... |
| 27 |
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c replaced all routines by one generic routine |
| 28 |
dimitri |
1.4 |
c 5-Aug-2003: added USE_EXF_INTERPOLATION for arbitrary |
| 29 |
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c input grid capability |
| 30 |
dimitri |
1.15 |
c 11-Dec-2006 added time-mean and monthly-mean climatology options |
| 31 |
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c genperiod=0 means input file is one time-constant field |
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c genperiod=-12 means input file contains 12 monthly means |
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heimbach |
1.2 |
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| 34 |
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c ================================================================== |
| 35 |
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c SUBROUTINE exf_set_gen |
| 36 |
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c ================================================================== |
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implicit none |
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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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heimbach |
1.13 |
#include "PARAMS.h" |
| 45 |
heimbach |
1.2 |
#include "GRID.h" |
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| 47 |
jmc |
1.18 |
#include "EXF_PARAM.h" |
| 48 |
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#include "EXF_CONSTANTS.h" |
| 49 |
heimbach |
1.19 |
#include "EXF_CLIM_PARAM.h" |
| 50 |
heimbach |
1.2 |
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| 51 |
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c == routine arguments == |
| 52 |
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| 53 |
heimbach |
1.10 |
integer genstartdate1, genstartdate2 |
| 54 |
heimbach |
1.13 |
_RL genstartdate, genperiod |
| 55 |
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_RL exf_inscal_gen |
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_RL genremove_intercept, genremove_slope |
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_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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heimbach |
1.2 |
character*1 genmask |
| 61 |
dimitri |
1.16 |
character*(128) genfile |
| 62 |
heimbach |
1.13 |
_RL mytime |
| 63 |
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integer myiter |
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heimbach |
1.2 |
integer mythid |
| 65 |
dimitri |
1.16 |
|
| 66 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 67 |
dimitri |
1.4 |
c gen_lon_0 ,gen_lat_0 :: longitude and latitude of SouthWest |
| 68 |
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c corner of global input grid |
| 69 |
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c gen_nlon, gen_nlat :: input x-grid and y-grid size |
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c gen_lon_inc :: scalar x-grid increment |
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c gen_lat_inc :: vector y-grid increments |
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c gen_xout, gen_yout :: coordinates for output grid |
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dimitri |
1.3 |
_RL gen_lon0, gen_lon_inc |
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_RL gen_lat0, gen_lat_inc(MAX_LAT_INC) |
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INTEGER gen_nlon, gen_nlat |
| 76 |
dimitri |
1.4 |
_RS gen_xout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS gen_yout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 78 |
dimitri |
1.11 |
integer interp_method |
| 79 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
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heimbach |
1.2 |
|
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c == local variables == |
| 82 |
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logical first, changed |
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integer count0, count1 |
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heimbach |
1.10 |
integer year0, year1 |
| 86 |
dimitri |
1.16 |
integer bi, bj, i, j, il |
| 87 |
heimbach |
1.2 |
_RL fac |
| 88 |
dimitri |
1.16 |
character*(128) genfile0, genfile1 |
| 89 |
heimbach |
1.10 |
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c == external == |
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integer ilnblnk |
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external ilnblnk |
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heimbach |
1.2 |
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c == end of interface == |
| 96 |
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dimitri |
1.16 |
if ( genfile .NE. ' ' .and. genperiod .ne. 0 ) then |
| 98 |
heimbach |
1.2 |
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| 99 |
heimbach |
1.10 |
cph( |
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cph-exf-print if (genfile .EQ. hfluxfile) year0 = 3000 |
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cph) |
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dimitri |
1.15 |
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dimitri |
1.16 |
if ( genperiod .eq. -12 ) then |
| 104 |
dimitri |
1.15 |
c genperiod=-12 means input file contains 12 monthly means |
| 105 |
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c record numbers are assumed 1 to 12 corresponding to |
| 106 |
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c Jan. through Dec. |
| 107 |
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call cal_GetMonthsRec( |
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O fac, first, changed, |
| 109 |
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O count0, count1, |
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I mytime, myiter, mythid |
| 111 |
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& ) |
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| 113 |
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elseif ( genperiod .lt. 0 ) then |
| 114 |
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print *, 'genperiod is out of range' |
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STOP 'ABNORMAL END: S/R EXF_GETFFIELDREC' |
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| 117 |
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else |
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heimbach |
1.2 |
c get record numbers and interpolation factor for gen |
| 119 |
dimitri |
1.15 |
call exf_GetFFieldRec( |
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I genstartdate, genperiod |
| 121 |
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I , genstartdate1, genstartdate2 |
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I , useExfYearlyFields |
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O , fac, first, changed |
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O , count0, count1, year0, year1 |
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I , mytime, myiter, mythid |
| 126 |
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& ) |
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| 128 |
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endif |
| 129 |
heimbach |
1.2 |
|
| 130 |
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if ( first ) then |
| 131 |
dimitri |
1.15 |
if (useExfYearlyFields.and.genperiod.gt.0) then |
| 132 |
dimitri |
1.12 |
C Complete filename with YR or _YEAR extension |
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heimbach |
1.10 |
il = ilnblnk( genfile ) |
| 134 |
dimitri |
1.12 |
if (twoDigitYear) then |
| 135 |
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if (year0.ge.2000) then |
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write(genfile0(1:128),'(a,i2.2)') |
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& genfile(1:il),year0-2000 |
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else |
| 139 |
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write(genfile0(1:128),'(a,i2.2)') |
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& genfile(1:il),year0-1900 |
| 141 |
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endif |
| 142 |
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else |
| 143 |
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write(genfile0(1:128),'(2a,i4.4)') |
| 144 |
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& genfile(1:il),'_',year0 |
| 145 |
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endif |
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heimbach |
1.10 |
else |
| 147 |
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genfile0 = genfile |
| 148 |
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endif |
| 149 |
dimitri |
1.15 |
|
| 150 |
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| 151 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 152 |
heimbach |
1.10 |
call exf_interp( genfile0, exf_iprec |
| 153 |
dimitri |
1.4 |
& , gen1, count0, gen_xout, gen_yout |
| 154 |
dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
| 155 |
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& , gen_lat0,gen_lat_inc |
| 156 |
dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
| 157 |
dimitri |
1.3 |
& ) |
| 158 |
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#else |
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heimbach |
1.10 |
call mdsreadfield( genfile0, exf_iprec, exf_yftype, 1 |
| 160 |
heimbach |
1.2 |
& , gen1, count0, mythid |
| 161 |
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& ) |
| 162 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 163 |
heimbach |
1.2 |
|
| 164 |
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if (exf_yftype .eq. 'RL') then |
| 165 |
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call exf_filter_rl( gen1, genmask, mythid ) |
| 166 |
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else |
| 167 |
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call exf_filter_rs( gen1, genmask, mythid ) |
| 168 |
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end if |
| 169 |
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endif |
| 170 |
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| 171 |
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if (( first ) .or. ( changed )) then |
| 172 |
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call exf_SwapFFields( gen0, gen1, mythid ) |
| 173 |
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| 174 |
dimitri |
1.15 |
if (useExfYearlyFields.and.genperiod.gt.0) then |
| 175 |
dimitri |
1.12 |
C Complete filename with YR or _YEAR extension |
| 176 |
heimbach |
1.10 |
il = ilnblnk( genfile ) |
| 177 |
dimitri |
1.12 |
if (twoDigitYear) then |
| 178 |
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if (year1.ge.2000) then |
| 179 |
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write(genfile1(1:128),'(a,i2.2)') |
| 180 |
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& genfile(1:il),year1-2000 |
| 181 |
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else |
| 182 |
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write(genfile1(1:128),'(a,i2.2)') |
| 183 |
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& genfile(1:il),year1-1900 |
| 184 |
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endif |
| 185 |
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else |
| 186 |
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write(genfile1(1:128),'(2a,i4.4)') |
| 187 |
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& genfile(1:il),'_',year1 |
| 188 |
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endif |
| 189 |
heimbach |
1.10 |
else |
| 190 |
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genfile1 = genfile |
| 191 |
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endif |
| 192 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 193 |
heimbach |
1.10 |
call exf_interp( genfile1, exf_iprec |
| 194 |
dimitri |
1.4 |
& , gen1, count1, gen_xout, gen_yout |
| 195 |
dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
| 196 |
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& , gen_lat0,gen_lat_inc |
| 197 |
dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
| 198 |
dimitri |
1.3 |
& ) |
| 199 |
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#else |
| 200 |
heimbach |
1.10 |
call mdsreadfield( genfile1, exf_iprec, exf_yftype, 1 |
| 201 |
heimbach |
1.2 |
& , gen1, count1, mythid |
| 202 |
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& ) |
| 203 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 204 |
heimbach |
1.2 |
|
| 205 |
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if (exf_yftype .eq. 'RL') then |
| 206 |
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call exf_filter_rl( gen1, genmask, mythid ) |
| 207 |
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else |
| 208 |
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call exf_filter_rs( gen1, genmask, mythid ) |
| 209 |
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end if |
| 210 |
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endif |
| 211 |
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| 212 |
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c Loop over tiles. |
| 213 |
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do bj = mybylo(mythid),mybyhi(mythid) |
| 214 |
heimbach |
1.13 |
do bi = mybxlo(mythid),mybxhi(mythid) |
| 215 |
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do j = 1,sny |
| 216 |
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do i = 1,snx |
| 217 |
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c Interpolate linearly onto the time. |
| 218 |
heimbach |
1.19 |
cph if ( genfile .EQ. climsstfile ) then |
| 219 |
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cph if (gen0(i,j,bi,bj) .lt. climtempfreeze) then |
| 220 |
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cph gen0(i,j,bi,bj) = climtempfreeze |
| 221 |
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cph endif |
| 222 |
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cph if (gen1(i,j,bi,bj) .lt. climtempfreeze) then |
| 223 |
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cph gen1(i,j,bi,bj) = climtempfreeze |
| 224 |
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cph endif |
| 225 |
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cph endif |
| 226 |
heimbach |
1.13 |
genfld(i,j,bi,bj) = exf_inscal_gen * ( |
| 227 |
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& fac * gen0(i,j,bi,bj) + |
| 228 |
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& (exf_one - fac) * gen1(i,j,bi,bj) ) |
| 229 |
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genfld(i,j,bi,bj) = |
| 230 |
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& genfld(i,j,bi,bj) - |
| 231 |
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& exf_inscal_gen * ( genremove_intercept + |
| 232 |
|
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& genremove_slope*(mytime-starttime) ) |
| 233 |
heimbach |
1.2 |
enddo |
| 234 |
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enddo |
| 235 |
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enddo |
| 236 |
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enddo |
| 237 |
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| 238 |
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endif |
| 239 |
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| 240 |
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end |
| 241 |
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| 242 |
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| 243 |
dimitri |
1.16 |
C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 244 |
|
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C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 245 |
heimbach |
1.2 |
|
| 246 |
|
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subroutine exf_init_gen ( |
| 247 |
dimitri |
1.17 |
& genfile, genperiod, exf_inscal_gen, genmask, |
| 248 |
dimitri |
1.16 |
& genconst, genfld, gen0, gen1, |
| 249 |
|
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#ifdef USE_EXF_INTERPOLATION |
| 250 |
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& gen_lon0, gen_lon_inc, gen_lat0, gen_lat_inc, |
| 251 |
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& gen_nlon, gen_nlat, gen_xout, gen_yout, interp_method, |
| 252 |
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#endif |
| 253 |
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& mythid ) |
| 254 |
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| 255 |
heimbach |
1.2 |
|
| 256 |
|
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c ================================================================== |
| 257 |
|
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c SUBROUTINE exf_init_gen |
| 258 |
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c ================================================================== |
| 259 |
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c |
| 260 |
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c o |
| 261 |
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c |
| 262 |
|
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
| 263 |
|
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c changed: heimbach@mit.edu 10-Jan-2002 |
| 264 |
|
|
c heimbach@mit.edu: totally re-organized exf_set_... |
| 265 |
|
|
c replaced all routines by one generic routine |
| 266 |
|
|
c |
| 267 |
|
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c ================================================================== |
| 268 |
|
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c SUBROUTINE exf_init_gen |
| 269 |
|
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c ================================================================== |
| 270 |
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|
| 271 |
|
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implicit none |
| 272 |
|
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|
| 273 |
|
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c == global variables == |
| 274 |
|
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|
| 275 |
|
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#include "EEPARAMS.h" |
| 276 |
|
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#include "SIZE.h" |
| 277 |
|
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|
| 278 |
jmc |
1.18 |
#include "EXF_PARAM.h" |
| 279 |
heimbach |
1.2 |
|
| 280 |
|
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c == routine arguments == |
| 281 |
|
|
|
| 282 |
dimitri |
1.17 |
_RL genperiod, exf_inscal_gen, genconst |
| 283 |
heimbach |
1.2 |
_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 284 |
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 285 |
|
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 286 |
dimitri |
1.16 |
character*1 genmask |
| 287 |
|
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character*(128) genfile |
| 288 |
heimbach |
1.2 |
integer mythid |
| 289 |
|
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|
| 290 |
dimitri |
1.16 |
#ifdef USE_EXF_INTERPOLATION |
| 291 |
|
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c gen_lon_0 ,gen_lat_0 :: longitude and latitude of SouthWest |
| 292 |
|
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c corner of global input grid |
| 293 |
|
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c gen_nlon, gen_nlat :: input x-grid and y-grid size |
| 294 |
|
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c gen_lon_inc :: scalar x-grid increment |
| 295 |
|
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c gen_lat_inc :: vector y-grid increments |
| 296 |
|
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c gen_xout, gen_yout :: coordinates for output grid |
| 297 |
|
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_RL gen_lon0, gen_lon_inc |
| 298 |
|
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_RL gen_lat0, gen_lat_inc(MAX_LAT_INC) |
| 299 |
|
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INTEGER gen_nlon, gen_nlat |
| 300 |
|
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_RS gen_xout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 301 |
|
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_RS gen_yout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 302 |
|
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integer interp_method |
| 303 |
|
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#endif /* USE_EXF_INTERPOLATION */ |
| 304 |
|
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|
| 305 |
heimbach |
1.2 |
c == local variables == |
| 306 |
|
|
|
| 307 |
dimitri |
1.16 |
integer bi, bj, i, j, count |
| 308 |
heimbach |
1.2 |
|
| 309 |
|
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c == end of interface == |
| 310 |
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| 311 |
|
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do bj = mybylo(mythid), mybyhi(mythid) |
| 312 |
|
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do bi = mybxlo(mythid), mybxhi(mythid) |
| 313 |
heimbach |
1.9 |
do j = 1-oly, sny+oly |
| 314 |
|
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do i = 1-olx, snx+olx |
| 315 |
heimbach |
1.2 |
genfld(i,j,bi,bj) = genconst |
| 316 |
heimbach |
1.9 |
gen0(i,j,bi,bj) = genconst |
| 317 |
|
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gen1(i,j,bi,bj) = genconst |
| 318 |
heimbach |
1.2 |
enddo |
| 319 |
|
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enddo |
| 320 |
|
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enddo |
| 321 |
|
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enddo |
| 322 |
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| 323 |
dimitri |
1.17 |
if ( genfile .NE. ' ' .and. genperiod .eq. 0. ) then |
| 324 |
dimitri |
1.16 |
count = 1 |
| 325 |
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|
| 326 |
|
|
#ifdef USE_EXF_INTERPOLATION |
| 327 |
|
|
call exf_interp( genfile, exf_iprec |
| 328 |
|
|
& , genfld, count, gen_xout, gen_yout |
| 329 |
|
|
& , gen_lon0,gen_lon_inc |
| 330 |
|
|
& , gen_lat0,gen_lat_inc |
| 331 |
|
|
& , gen_nlon,gen_nlat,interp_method,mythid |
| 332 |
|
|
& ) |
| 333 |
|
|
#else |
| 334 |
|
|
call mdsreadfield( genfile, exf_iprec, exf_yftype, 1 |
| 335 |
|
|
& , genfld, count, mythid |
| 336 |
|
|
& ) |
| 337 |
|
|
#endif /* USE_EXF_INTERPOLATION */ |
| 338 |
|
|
|
| 339 |
|
|
if (exf_yftype .eq. 'RL') then |
| 340 |
|
|
call exf_filter_rl( genfld, genmask, mythid ) |
| 341 |
|
|
else |
| 342 |
|
|
call exf_filter_rs( genfld, genmask, mythid ) |
| 343 |
|
|
end if |
| 344 |
|
|
|
| 345 |
|
|
c Loop over tiles. |
| 346 |
|
|
do bj = mybylo(mythid),mybyhi(mythid) |
| 347 |
|
|
do bi = mybxlo(mythid),mybxhi(mythid) |
| 348 |
|
|
do j = 1,sny |
| 349 |
|
|
do i = 1,snx |
| 350 |
|
|
c Interpolate linearly onto the time. |
| 351 |
|
|
genfld(i,j,bi,bj) = |
| 352 |
|
|
& exf_inscal_gen * genfld(i,j,bi,bj) |
| 353 |
|
|
enddo |
| 354 |
|
|
enddo |
| 355 |
|
|
enddo |
| 356 |
|
|
enddo |
| 357 |
|
|
|
| 358 |
heimbach |
1.14 |
endif |
| 359 |
|
|
|
| 360 |
heimbach |
1.2 |
end |
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