| 1 |
dimitri |
1.25 |
C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_set_gen.F,v 1.24 2008/01/25 16:02:56 mlosch Exp $ |
| 2 |
jmc |
1.18 |
C $Name: $ |
| 3 |
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| 4 |
edhill |
1.7 |
#include "EXF_OPTIONS.h" |
| 5 |
heimbach |
1.2 |
|
| 6 |
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subroutine exf_set_gen( |
| 7 |
heimbach |
1.10 |
& genfile, genstartdate, genperiod, |
| 8 |
heimbach |
1.13 |
& exf_inscal_gen, genremove_intercept, genremove_slope, |
| 9 |
dimitri |
1.3 |
& genfld, gen0, gen1, genmask, |
| 10 |
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#ifdef USE_EXF_INTERPOLATION |
| 11 |
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& gen_lon0, gen_lon_inc, gen_lat0, gen_lat_inc, |
| 12 |
dimitri |
1.11 |
& gen_nlon, gen_nlat, gen_xout, gen_yout, interp_method, |
| 13 |
dimitri |
1.3 |
#endif |
| 14 |
heimbach |
1.13 |
& mytime, myiter, mythid ) |
| 15 |
heimbach |
1.2 |
|
| 16 |
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c ================================================================== |
| 17 |
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c SUBROUTINE exf_set_gen |
| 18 |
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c ================================================================== |
| 19 |
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c |
| 20 |
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c o set external forcing gen |
| 21 |
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c |
| 22 |
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
| 23 |
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c changed: heimbach@mit.edu 10-Jan-2002 |
| 24 |
dimitri |
1.4 |
c 20-Dec-2002: mods for pkg/seaice, menemenlis@jpl.nasa.gov |
| 25 |
heimbach |
1.2 |
c heimbach@mit.edu: totally re-organized exf_set_... |
| 26 |
|
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c replaced all routines by one generic routine |
| 27 |
dimitri |
1.4 |
c 5-Aug-2003: added USE_EXF_INTERPOLATION for arbitrary |
| 28 |
|
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c input grid capability |
| 29 |
dimitri |
1.15 |
c 11-Dec-2006 added time-mean and monthly-mean climatology options |
| 30 |
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c genperiod=0 means input file is one time-constant field |
| 31 |
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c genperiod=-12 means input file contains 12 monthly means |
| 32 |
heimbach |
1.2 |
|
| 33 |
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c ================================================================== |
| 34 |
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c SUBROUTINE exf_set_gen |
| 35 |
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c ================================================================== |
| 36 |
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| 37 |
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implicit none |
| 38 |
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| 39 |
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c == global variables == |
| 40 |
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| 41 |
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#include "EEPARAMS.h" |
| 42 |
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#include "SIZE.h" |
| 43 |
heimbach |
1.13 |
#include "PARAMS.h" |
| 44 |
heimbach |
1.2 |
#include "GRID.h" |
| 45 |
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| 46 |
jmc |
1.18 |
#include "EXF_PARAM.h" |
| 47 |
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#include "EXF_CONSTANTS.h" |
| 48 |
heimbach |
1.2 |
|
| 49 |
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c == routine arguments == |
| 50 |
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| 51 |
heimbach |
1.13 |
_RL genstartdate, genperiod |
| 52 |
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_RL exf_inscal_gen |
| 53 |
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_RL genremove_intercept, genremove_slope |
| 54 |
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_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 55 |
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 56 |
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 57 |
heimbach |
1.2 |
character*1 genmask |
| 58 |
dimitri |
1.16 |
character*(128) genfile |
| 59 |
heimbach |
1.13 |
_RL mytime |
| 60 |
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integer myiter |
| 61 |
heimbach |
1.2 |
integer mythid |
| 62 |
dimitri |
1.16 |
|
| 63 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 64 |
dimitri |
1.4 |
c gen_lon_0 ,gen_lat_0 :: longitude and latitude of SouthWest |
| 65 |
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c corner of global input grid |
| 66 |
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c gen_nlon, gen_nlat :: input x-grid and y-grid size |
| 67 |
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c gen_lon_inc :: scalar x-grid increment |
| 68 |
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c gen_lat_inc :: vector y-grid increments |
| 69 |
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c gen_xout, gen_yout :: coordinates for output grid |
| 70 |
dimitri |
1.3 |
_RL gen_lon0, gen_lon_inc |
| 71 |
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_RL gen_lat0, gen_lat_inc(MAX_LAT_INC) |
| 72 |
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INTEGER gen_nlon, gen_nlat |
| 73 |
dimitri |
1.4 |
_RS gen_xout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 74 |
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_RS gen_yout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 75 |
dimitri |
1.11 |
integer interp_method |
| 76 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 77 |
heimbach |
1.2 |
|
| 78 |
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c == local variables == |
| 79 |
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| 80 |
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logical first, changed |
| 81 |
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integer count0, count1 |
| 82 |
heimbach |
1.10 |
integer year0, year1 |
| 83 |
dimitri |
1.16 |
integer bi, bj, i, j, il |
| 84 |
heimbach |
1.2 |
_RL fac |
| 85 |
dimitri |
1.16 |
character*(128) genfile0, genfile1 |
| 86 |
heimbach |
1.10 |
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| 87 |
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c == external == |
| 88 |
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| 89 |
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integer ilnblnk |
| 90 |
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external ilnblnk |
| 91 |
heimbach |
1.2 |
|
| 92 |
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c == end of interface == |
| 93 |
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| 94 |
dimitri |
1.16 |
if ( genfile .NE. ' ' .and. genperiod .ne. 0 ) then |
| 95 |
heimbach |
1.2 |
|
| 96 |
heimbach |
1.10 |
cph( |
| 97 |
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cph-exf-print if (genfile .EQ. hfluxfile) year0 = 3000 |
| 98 |
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cph) |
| 99 |
dimitri |
1.15 |
|
| 100 |
dimitri |
1.16 |
if ( genperiod .eq. -12 ) then |
| 101 |
dimitri |
1.15 |
c genperiod=-12 means input file contains 12 monthly means |
| 102 |
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c record numbers are assumed 1 to 12 corresponding to |
| 103 |
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c Jan. through Dec. |
| 104 |
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call cal_GetMonthsRec( |
| 105 |
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O fac, first, changed, |
| 106 |
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O count0, count1, |
| 107 |
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I mytime, myiter, mythid |
| 108 |
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& ) |
| 109 |
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| 110 |
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elseif ( genperiod .lt. 0 ) then |
| 111 |
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print *, 'genperiod is out of range' |
| 112 |
dimitri |
1.23 |
STOP 'ABNORMAL END: S/R EXF_SET_GEN' |
| 113 |
dimitri |
1.15 |
|
| 114 |
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else |
| 115 |
heimbach |
1.2 |
c get record numbers and interpolation factor for gen |
| 116 |
dimitri |
1.15 |
call exf_GetFFieldRec( |
| 117 |
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I genstartdate, genperiod |
| 118 |
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I , useExfYearlyFields |
| 119 |
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O , fac, first, changed |
| 120 |
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O , count0, count1, year0, year1 |
| 121 |
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I , mytime, myiter, mythid |
| 122 |
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& ) |
| 123 |
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| 124 |
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endif |
| 125 |
heimbach |
1.2 |
|
| 126 |
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if ( first ) then |
| 127 |
mlosch |
1.24 |
call exf_GetYearlyFieldName( |
| 128 |
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I useExfYearlyFields, twoDigitYear, genperiod, year0, |
| 129 |
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I genfile, |
| 130 |
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O genfile0, |
| 131 |
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I mytime, myiter, mythid ) |
| 132 |
dimitri |
1.15 |
|
| 133 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 134 |
heimbach |
1.10 |
call exf_interp( genfile0, exf_iprec |
| 135 |
dimitri |
1.4 |
& , gen1, count0, gen_xout, gen_yout |
| 136 |
dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
| 137 |
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& , gen_lat0,gen_lat_inc |
| 138 |
dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
| 139 |
dimitri |
1.3 |
& ) |
| 140 |
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#else |
| 141 |
jmc |
1.22 |
_BARRIER |
| 142 |
heimbach |
1.10 |
call mdsreadfield( genfile0, exf_iprec, exf_yftype, 1 |
| 143 |
heimbach |
1.2 |
& , gen1, count0, mythid |
| 144 |
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& ) |
| 145 |
jmc |
1.22 |
_BARRIER |
| 146 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 147 |
heimbach |
1.2 |
|
| 148 |
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if (exf_yftype .eq. 'RL') then |
| 149 |
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call exf_filter_rl( gen1, genmask, mythid ) |
| 150 |
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else |
| 151 |
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call exf_filter_rs( gen1, genmask, mythid ) |
| 152 |
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end if |
| 153 |
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endif |
| 154 |
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| 155 |
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if (( first ) .or. ( changed )) then |
| 156 |
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call exf_SwapFFields( gen0, gen1, mythid ) |
| 157 |
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| 158 |
mlosch |
1.24 |
call exf_GetYearlyFieldName( |
| 159 |
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I useExfYearlyFields, twoDigitYear, genperiod, year1, |
| 160 |
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I genfile, |
| 161 |
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O genfile1, |
| 162 |
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I mytime, myiter, mythid ) |
| 163 |
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| 164 |
dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
| 165 |
heimbach |
1.10 |
call exf_interp( genfile1, exf_iprec |
| 166 |
dimitri |
1.4 |
& , gen1, count1, gen_xout, gen_yout |
| 167 |
dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
| 168 |
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& , gen_lat0,gen_lat_inc |
| 169 |
dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
| 170 |
dimitri |
1.3 |
& ) |
| 171 |
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#else |
| 172 |
jmc |
1.22 |
_BARRIER |
| 173 |
heimbach |
1.10 |
call mdsreadfield( genfile1, exf_iprec, exf_yftype, 1 |
| 174 |
heimbach |
1.2 |
& , gen1, count1, mythid |
| 175 |
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& ) |
| 176 |
jmc |
1.22 |
_BARRIER |
| 177 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 178 |
heimbach |
1.2 |
|
| 179 |
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if (exf_yftype .eq. 'RL') then |
| 180 |
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call exf_filter_rl( gen1, genmask, mythid ) |
| 181 |
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else |
| 182 |
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call exf_filter_rs( gen1, genmask, mythid ) |
| 183 |
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end if |
| 184 |
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endif |
| 185 |
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| 186 |
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c Loop over tiles. |
| 187 |
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do bj = mybylo(mythid),mybyhi(mythid) |
| 188 |
heimbach |
1.13 |
do bi = mybxlo(mythid),mybxhi(mythid) |
| 189 |
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do j = 1,sny |
| 190 |
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do i = 1,snx |
| 191 |
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c Interpolate linearly onto the time. |
| 192 |
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genfld(i,j,bi,bj) = exf_inscal_gen * ( |
| 193 |
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& fac * gen0(i,j,bi,bj) + |
| 194 |
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& (exf_one - fac) * gen1(i,j,bi,bj) ) |
| 195 |
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genfld(i,j,bi,bj) = |
| 196 |
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& genfld(i,j,bi,bj) - |
| 197 |
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& exf_inscal_gen * ( genremove_intercept + |
| 198 |
|
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& genremove_slope*(mytime-starttime) ) |
| 199 |
heimbach |
1.2 |
enddo |
| 200 |
heimbach |
1.20 |
enddo |
| 201 |
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enddo |
| 202 |
heimbach |
1.2 |
enddo |
| 203 |
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| 204 |
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endif |
| 205 |
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| 206 |
jmc |
1.22 |
RETURN |
| 207 |
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END |
| 208 |
heimbach |
1.2 |
|
| 209 |
dimitri |
1.16 |
C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 210 |
|
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C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 211 |
heimbach |
1.2 |
|
| 212 |
|
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subroutine exf_init_gen ( |
| 213 |
dimitri |
1.17 |
& genfile, genperiod, exf_inscal_gen, genmask, |
| 214 |
dimitri |
1.16 |
& genconst, genfld, gen0, gen1, |
| 215 |
|
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#ifdef USE_EXF_INTERPOLATION |
| 216 |
|
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& gen_lon0, gen_lon_inc, gen_lat0, gen_lat_inc, |
| 217 |
|
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& gen_nlon, gen_nlat, gen_xout, gen_yout, interp_method, |
| 218 |
|
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#endif |
| 219 |
|
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& mythid ) |
| 220 |
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| 221 |
heimbach |
1.2 |
|
| 222 |
|
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c ================================================================== |
| 223 |
|
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c SUBROUTINE exf_init_gen |
| 224 |
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c ================================================================== |
| 225 |
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c |
| 226 |
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c o |
| 227 |
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c |
| 228 |
|
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
| 229 |
|
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c changed: heimbach@mit.edu 10-Jan-2002 |
| 230 |
|
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c heimbach@mit.edu: totally re-organized exf_set_... |
| 231 |
|
|
c replaced all routines by one generic routine |
| 232 |
|
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c |
| 233 |
|
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c ================================================================== |
| 234 |
|
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c SUBROUTINE exf_init_gen |
| 235 |
|
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c ================================================================== |
| 236 |
|
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|
| 237 |
|
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implicit none |
| 238 |
|
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|
| 239 |
|
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c == global variables == |
| 240 |
|
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|
| 241 |
|
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#include "EEPARAMS.h" |
| 242 |
|
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#include "SIZE.h" |
| 243 |
|
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|
| 244 |
jmc |
1.18 |
#include "EXF_PARAM.h" |
| 245 |
heimbach |
1.2 |
|
| 246 |
|
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c == routine arguments == |
| 247 |
|
|
|
| 248 |
dimitri |
1.17 |
_RL genperiod, exf_inscal_gen, genconst |
| 249 |
heimbach |
1.2 |
_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 250 |
|
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 251 |
|
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
| 252 |
dimitri |
1.16 |
character*1 genmask |
| 253 |
|
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character*(128) genfile |
| 254 |
heimbach |
1.2 |
integer mythid |
| 255 |
|
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|
| 256 |
dimitri |
1.16 |
#ifdef USE_EXF_INTERPOLATION |
| 257 |
|
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c gen_lon_0 ,gen_lat_0 :: longitude and latitude of SouthWest |
| 258 |
|
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c corner of global input grid |
| 259 |
|
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c gen_nlon, gen_nlat :: input x-grid and y-grid size |
| 260 |
|
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c gen_lon_inc :: scalar x-grid increment |
| 261 |
|
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c gen_lat_inc :: vector y-grid increments |
| 262 |
|
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c gen_xout, gen_yout :: coordinates for output grid |
| 263 |
|
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_RL gen_lon0, gen_lon_inc |
| 264 |
|
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_RL gen_lat0, gen_lat_inc(MAX_LAT_INC) |
| 265 |
|
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INTEGER gen_nlon, gen_nlat |
| 266 |
|
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_RS gen_xout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 267 |
|
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_RS gen_yout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 268 |
|
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integer interp_method |
| 269 |
|
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#endif /* USE_EXF_INTERPOLATION */ |
| 270 |
|
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|
| 271 |
heimbach |
1.2 |
c == local variables == |
| 272 |
|
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|
| 273 |
dimitri |
1.16 |
integer bi, bj, i, j, count |
| 274 |
heimbach |
1.2 |
|
| 275 |
|
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c == end of interface == |
| 276 |
|
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|
| 277 |
|
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do bj = mybylo(mythid), mybyhi(mythid) |
| 278 |
|
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do bi = mybxlo(mythid), mybxhi(mythid) |
| 279 |
heimbach |
1.9 |
do j = 1-oly, sny+oly |
| 280 |
|
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do i = 1-olx, snx+olx |
| 281 |
heimbach |
1.2 |
genfld(i,j,bi,bj) = genconst |
| 282 |
heimbach |
1.9 |
gen0(i,j,bi,bj) = genconst |
| 283 |
|
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gen1(i,j,bi,bj) = genconst |
| 284 |
heimbach |
1.2 |
enddo |
| 285 |
|
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enddo |
| 286 |
|
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enddo |
| 287 |
|
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enddo |
| 288 |
|
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|
| 289 |
dimitri |
1.17 |
if ( genfile .NE. ' ' .and. genperiod .eq. 0. ) then |
| 290 |
dimitri |
1.16 |
count = 1 |
| 291 |
|
|
|
| 292 |
|
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#ifdef USE_EXF_INTERPOLATION |
| 293 |
|
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call exf_interp( genfile, exf_iprec |
| 294 |
|
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& , genfld, count, gen_xout, gen_yout |
| 295 |
|
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& , gen_lon0,gen_lon_inc |
| 296 |
|
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& , gen_lat0,gen_lat_inc |
| 297 |
|
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& , gen_nlon,gen_nlat,interp_method,mythid |
| 298 |
|
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& ) |
| 299 |
|
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#else |
| 300 |
jmc |
1.22 |
_BARRIER |
| 301 |
dimitri |
1.16 |
call mdsreadfield( genfile, exf_iprec, exf_yftype, 1 |
| 302 |
|
|
& , genfld, count, mythid |
| 303 |
|
|
& ) |
| 304 |
jmc |
1.22 |
_BARRIER |
| 305 |
dimitri |
1.16 |
#endif /* USE_EXF_INTERPOLATION */ |
| 306 |
|
|
|
| 307 |
|
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if (exf_yftype .eq. 'RL') then |
| 308 |
|
|
call exf_filter_rl( genfld, genmask, mythid ) |
| 309 |
|
|
else |
| 310 |
|
|
call exf_filter_rs( genfld, genmask, mythid ) |
| 311 |
|
|
end if |
| 312 |
|
|
|
| 313 |
dimitri |
1.23 |
c Loop over tiles and scale genfld |
| 314 |
dimitri |
1.16 |
do bj = mybylo(mythid),mybyhi(mythid) |
| 315 |
|
|
do bi = mybxlo(mythid),mybxhi(mythid) |
| 316 |
|
|
do j = 1,sny |
| 317 |
|
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do i = 1,snx |
| 318 |
|
|
genfld(i,j,bi,bj) = |
| 319 |
|
|
& exf_inscal_gen * genfld(i,j,bi,bj) |
| 320 |
|
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enddo |
| 321 |
|
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enddo |
| 322 |
|
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enddo |
| 323 |
|
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enddo |
| 324 |
|
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|
| 325 |
heimbach |
1.14 |
endif |
| 326 |
|
|
|
| 327 |
jmc |
1.22 |
RETURN |
| 328 |
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