| 1 |
jmc |
1.4 |
C $Header: /u/gcmpack/MITgcm/verification/tidal_basin_2d/code/external_forcing.F,v 1.3 2003/05/15 15:19:02 adcroft Exp $ |
| 2 |
adcroft |
1.1 |
C $Name: $ |
| 3 |
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| 4 |
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#include "CPP_OPTIONS.h" |
| 5 |
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| 6 |
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CBOP |
| 7 |
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C !ROUTINE: EXTERNAL_FORCING_U |
| 8 |
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C !INTERFACE: |
| 9 |
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SUBROUTINE EXTERNAL_FORCING_U( |
| 10 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 11 |
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I myCurrentTime,myThid) |
| 12 |
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C !DESCRIPTION: \bv |
| 13 |
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C *==========================================================* |
| 14 |
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C | S/R EXTERNAL_FORCING_U |
| 15 |
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C | o Contains problem specific forcing for zonal velocity. |
| 16 |
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C *==========================================================* |
| 17 |
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C | Adds terms to gU for forcing by external sources |
| 18 |
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C | e.g. wind stress, bottom friction etc.................. |
| 19 |
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C *==========================================================* |
| 20 |
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C \ev |
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| 22 |
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C !USES: |
| 23 |
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IMPLICIT NONE |
| 24 |
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C == Global data == |
| 25 |
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#include "SIZE.h" |
| 26 |
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#include "EEPARAMS.h" |
| 27 |
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#include "PARAMS.h" |
| 28 |
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#include "GRID.h" |
| 29 |
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#include "DYNVARS.h" |
| 30 |
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#include "FFIELDS.h" |
| 31 |
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| 32 |
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C !INPUT/OUTPUT PARAMETERS: |
| 33 |
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C == Routine arguments == |
| 34 |
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C iMin - Working range of tile for applying forcing. |
| 35 |
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C iMax |
| 36 |
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C jMin |
| 37 |
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C jMax |
| 38 |
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C kLev |
| 39 |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 40 |
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_RL myCurrentTime |
| 41 |
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INTEGER myThid |
| 42 |
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| 43 |
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C !LOCAL VARIABLES: |
| 44 |
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C == Local variables == |
| 45 |
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C Loop counters |
| 46 |
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INTEGER I, J |
| 47 |
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C number of surface interface layer |
| 48 |
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INTEGER kSurface |
| 49 |
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_RL tidal_freq,tidal_Hscale |
| 50 |
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_RL Coord2longitude,longitud1,longitud2 |
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CEOP |
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| 53 |
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if ( buoyancyRelation .eq. 'OCEANICP' ) then |
| 54 |
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kSurface = Nr |
| 55 |
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else |
| 56 |
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kSurface = 1 |
| 57 |
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endif |
| 58 |
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| 59 |
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C-- Forcing term |
| 60 |
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C Add windstress momentum impulse into the top-layer |
| 61 |
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IF ( kLev .EQ. kSurface ) THEN |
| 62 |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
| 64 |
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gU(i,j,kLev,bi,bj) = gU(i,j,kLev,bi,bj) |
| 65 |
jmc |
1.4 |
& +foFacMom*surfaceForcingU(i,j,bi,bj) |
| 66 |
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& *recip_drF(kLev)*recip_hFacW(i,j,kLev,bi,bj) |
| 67 |
adcroft |
1.1 |
ENDDO |
| 68 |
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ENDDO |
| 69 |
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ENDIF |
| 70 |
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| 71 |
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C-- Tidal body force: written as gradient of geopotential |
| 72 |
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C True M2 frequency is |
| 73 |
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c tidal_freq=2.*pi/(43200.+25.*60.) |
| 74 |
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C But for convenience we are using 12 hour period |
| 75 |
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tidal_freq=2.*pi/(43200.) |
| 76 |
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C Make the tide relatively strong (about 1 m) |
| 77 |
adcroft |
1.2 |
tidal_Hscale=10. |
| 78 |
adcroft |
1.1 |
IF ( usingCartesianGrid ) THEN |
| 79 |
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Coord2longitude=1./rSphere |
| 80 |
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ELSEIF ( usingSphericalPolarGrid ) THEN |
| 81 |
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Coord2longitude=pi/180. |
| 82 |
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ELSE |
| 83 |
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STOP 'Be careful about 2D!' |
| 84 |
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ENDIF |
| 85 |
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DO j=jMin,jMax |
| 86 |
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DO i=iMin+1,iMax |
| 87 |
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longitud1=XC(i-1,j,bi,bj)*Coord2longitude |
| 88 |
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longitud2=XC(i,j,bi,bj)*Coord2longitude |
| 89 |
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gU(i,j,kLev,bi,bj) = gU(i,j,kLev,bi,bj) |
| 90 |
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& +gravity*tidal_Hscale* |
| 91 |
adcroft |
1.2 |
& ( SIN( tidal_freq*myCurrentTime + 2.*longitud2 ) |
| 92 |
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& -SIN( tidal_freq*myCurrentTime + 2.*longitud1 ) |
| 93 |
adcroft |
1.1 |
& )*recip_DXC(i,j,bi,bj) |
| 94 |
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& *_maskW(i,j,kLev,bi,bj) |
| 95 |
adcroft |
1.3 |
c & *min( myCurrentTime/86400. , 1.) |
| 96 |
adcroft |
1.1 |
ENDDO |
| 97 |
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ENDDO |
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| 99 |
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#if (defined (ALLOW_OBCS) && defined (ALLOW_OBCS_SPONGE)) |
| 100 |
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IF (useOBCS) THEN |
| 101 |
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CALL OBCS_SPONGE_U( |
| 102 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 103 |
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I myCurrentTime,myThid) |
| 104 |
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ENDIF |
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#endif |
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| 107 |
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RETURN |
| 108 |
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END |
| 109 |
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CBOP |
| 110 |
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C !ROUTINE: EXTERNAL_FORCING_V |
| 111 |
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C !INTERFACE: |
| 112 |
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SUBROUTINE EXTERNAL_FORCING_V( |
| 113 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 114 |
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I myCurrentTime,myThid) |
| 115 |
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C !DESCRIPTION: \bv |
| 116 |
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C *==========================================================* |
| 117 |
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C | S/R EXTERNAL_FORCING_V |
| 118 |
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C | o Contains problem specific forcing for merid velocity. |
| 119 |
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C *==========================================================* |
| 120 |
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C | Adds terms to gV for forcing by external sources |
| 121 |
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C | e.g. wind stress, bottom friction etc.................. |
| 122 |
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C *==========================================================* |
| 123 |
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C \ev |
| 124 |
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| 125 |
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C !USES: |
| 126 |
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IMPLICIT NONE |
| 127 |
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C == Global data == |
| 128 |
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#include "SIZE.h" |
| 129 |
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#include "EEPARAMS.h" |
| 130 |
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#include "PARAMS.h" |
| 131 |
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#include "GRID.h" |
| 132 |
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#include "DYNVARS.h" |
| 133 |
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#include "FFIELDS.h" |
| 134 |
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| 135 |
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C !INPUT/OUTPUT PARAMETERS: |
| 136 |
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C == Routine arguments == |
| 137 |
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C iMin - Working range of tile for applying forcing. |
| 138 |
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C iMax |
| 139 |
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C jMin |
| 140 |
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C jMax |
| 141 |
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C kLev |
| 142 |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 143 |
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_RL myCurrentTime |
| 144 |
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INTEGER myThid |
| 145 |
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| 146 |
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C !LOCAL VARIABLES: |
| 147 |
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C == Local variables == |
| 148 |
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C Loop counters |
| 149 |
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INTEGER I, J |
| 150 |
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C number of surface interface layer |
| 151 |
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INTEGER kSurface |
| 152 |
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CEOP |
| 153 |
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| 154 |
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if ( buoyancyRelation .eq. 'OCEANICP' ) then |
| 155 |
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kSurface = Nr |
| 156 |
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else |
| 157 |
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kSurface = 1 |
| 158 |
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endif |
| 159 |
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| 160 |
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C-- Forcing term |
| 161 |
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C Add windstress momentum impulse into the top-layer |
| 162 |
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IF ( kLev .EQ. kSurface ) THEN |
| 163 |
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DO j=jMin,jMax |
| 164 |
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DO i=iMin,iMax |
| 165 |
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gV(i,j,kLev,bi,bj) = gV(i,j,kLev,bi,bj) |
| 166 |
jmc |
1.4 |
& +foFacMom*surfaceForcingV(i,j,bi,bj) |
| 167 |
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& *recip_drF(kLev)*recip_hFacS(i,j,kLev,bi,bj) |
| 168 |
adcroft |
1.1 |
ENDDO |
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ENDDO |
| 170 |
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ENDIF |
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| 172 |
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#if (defined (ALLOW_OBCS) && defined (ALLOW_OBCS_SPONGE)) |
| 173 |
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IF (useOBCS) THEN |
| 174 |
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CALL OBCS_SPONGE_V( |
| 175 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 176 |
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I myCurrentTime,myThid) |
| 177 |
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ENDIF |
| 178 |
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#endif |
| 179 |
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| 180 |
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RETURN |
| 181 |
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END |
| 182 |
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CBOP |
| 183 |
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C !ROUTINE: EXTERNAL_FORCING_T |
| 184 |
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C !INTERFACE: |
| 185 |
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SUBROUTINE EXTERNAL_FORCING_T( |
| 186 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 187 |
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I myCurrentTime,myThid) |
| 188 |
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C !DESCRIPTION: \bv |
| 189 |
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C *==========================================================* |
| 190 |
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C | S/R EXTERNAL_FORCING_T |
| 191 |
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C | o Contains problem specific forcing for temperature. |
| 192 |
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C *==========================================================* |
| 193 |
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C | Adds terms to gT for forcing by external sources |
| 194 |
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C | e.g. heat flux, climatalogical relaxation.............. |
| 195 |
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C *==========================================================* |
| 196 |
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C \ev |
| 197 |
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| 198 |
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C !USES: |
| 199 |
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IMPLICIT NONE |
| 200 |
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C == Global data == |
| 201 |
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#include "SIZE.h" |
| 202 |
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#include "EEPARAMS.h" |
| 203 |
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#include "PARAMS.h" |
| 204 |
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#include "GRID.h" |
| 205 |
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#include "DYNVARS.h" |
| 206 |
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#include "FFIELDS.h" |
| 207 |
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#ifdef SHORTWAVE_HEATING |
| 208 |
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integer two |
| 209 |
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_RL minusone |
| 210 |
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parameter (two=2,minusone=-1.) |
| 211 |
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_RL swfracb(two) |
| 212 |
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#endif |
| 213 |
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| 214 |
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C !INPUT/OUTPUT PARAMETERS: |
| 215 |
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C == Routine arguments == |
| 216 |
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C iMin - Working range of tile for applying forcing. |
| 217 |
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C iMax |
| 218 |
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C jMin |
| 219 |
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C jMax |
| 220 |
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C kLev |
| 221 |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 222 |
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_RL myCurrentTime |
| 223 |
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INTEGER myThid |
| 224 |
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CEndOfInterface |
| 225 |
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| 226 |
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C !LOCAL VARIABLES: |
| 227 |
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C == Local variables == |
| 228 |
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C Loop counters |
| 229 |
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INTEGER I, J |
| 230 |
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C number of surface interface layer |
| 231 |
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INTEGER kSurface |
| 232 |
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CEOP |
| 233 |
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| 234 |
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if ( buoyancyRelation .eq. 'OCEANICP' ) then |
| 235 |
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kSurface = Nr |
| 236 |
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else |
| 237 |
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kSurface = 1 |
| 238 |
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endif |
| 239 |
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| 240 |
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C-- Forcing term |
| 241 |
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C Add heat in top-layer |
| 242 |
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IF ( kLev .EQ. kSurface ) THEN |
| 243 |
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DO j=jMin,jMax |
| 244 |
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DO i=iMin,iMax |
| 245 |
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gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj) |
| 246 |
jmc |
1.4 |
& +surfaceForcingT(i,j,bi,bj) |
| 247 |
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& *recip_drF(kLev)*recip_hFacC(i,j,kLev,bi,bj) |
| 248 |
adcroft |
1.1 |
ENDDO |
| 249 |
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ENDDO |
| 250 |
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ENDIF |
| 251 |
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| 252 |
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#ifdef SHORTWAVE_HEATING |
| 253 |
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C Penetrating SW radiation |
| 254 |
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swfracb(1)=abs(rF(klev)) |
| 255 |
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swfracb(2)=abs(rF(klev+1)) |
| 256 |
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call SWFRAC( |
| 257 |
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I two,minusone, |
| 258 |
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I myCurrentTime,myThid, |
| 259 |
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O swfracb) |
| 260 |
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DO j=jMin,jMax |
| 261 |
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DO i=iMin,iMax |
| 262 |
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gT(i,j,klev,bi,bj) = gT(i,j,klev,bi,bj) |
| 263 |
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& -maskC(i,j,klev,bi,bj)*Qsw(i,j,bi,bj)*(swfracb(1)-swfracb(2)) |
| 264 |
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& *recip_Cp*recip_rhoConst*recip_drF(klev) |
| 265 |
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ENDDO |
| 266 |
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ENDDO |
| 267 |
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#endif |
| 268 |
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| 269 |
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#if (defined (ALLOW_OBCS) && defined (ALLOW_OBCS_SPONGE)) |
| 270 |
|
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IF (useOBCS) THEN |
| 271 |
|
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CALL OBCS_SPONGE_T( |
| 272 |
|
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 273 |
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I myCurrentTime,myThid) |
| 274 |
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ENDIF |
| 275 |
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#endif |
| 276 |
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| 277 |
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RETURN |
| 278 |
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END |
| 279 |
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CBOP |
| 280 |
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C !ROUTINE: EXTERNAL_FORCING_S |
| 281 |
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C !INTERFACE: |
| 282 |
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SUBROUTINE EXTERNAL_FORCING_S( |
| 283 |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 284 |
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I myCurrentTime,myThid) |
| 285 |
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| 286 |
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C !DESCRIPTION: \bv |
| 287 |
|
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C *==========================================================* |
| 288 |
|
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C | S/R EXTERNAL_FORCING_S |
| 289 |
|
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C | o Contains problem specific forcing for merid velocity. |
| 290 |
|
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C *==========================================================* |
| 291 |
|
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C | Adds terms to gS for forcing by external sources |
| 292 |
|
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C | e.g. fresh-water flux, climatalogical relaxation....... |
| 293 |
|
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C *==========================================================* |
| 294 |
|
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C \ev |
| 295 |
|
|
|
| 296 |
|
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C !USES: |
| 297 |
|
|
IMPLICIT NONE |
| 298 |
|
|
C == Global data == |
| 299 |
|
|
#include "SIZE.h" |
| 300 |
|
|
#include "EEPARAMS.h" |
| 301 |
|
|
#include "PARAMS.h" |
| 302 |
|
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#include "GRID.h" |
| 303 |
|
|
#include "DYNVARS.h" |
| 304 |
|
|
#include "FFIELDS.h" |
| 305 |
|
|
|
| 306 |
|
|
C !INPUT/OUTPUT PARAMETERS: |
| 307 |
|
|
C == Routine arguments == |
| 308 |
|
|
C iMin - Working range of tile for applying forcing. |
| 309 |
|
|
C iMax |
| 310 |
|
|
C jMin |
| 311 |
|
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C jMax |
| 312 |
|
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C kLev |
| 313 |
|
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 314 |
|
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_RL myCurrentTime |
| 315 |
|
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INTEGER myThid |
| 316 |
|
|
|
| 317 |
|
|
C !LOCAL VARIABLES: |
| 318 |
|
|
C == Local variables == |
| 319 |
|
|
C Loop counters |
| 320 |
|
|
INTEGER I, J |
| 321 |
|
|
C number of surface interface layer |
| 322 |
|
|
INTEGER kSurface |
| 323 |
|
|
CEOP |
| 324 |
|
|
|
| 325 |
|
|
if ( buoyancyRelation .eq. 'OCEANICP' ) then |
| 326 |
|
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kSurface = Nr |
| 327 |
|
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else |
| 328 |
|
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kSurface = 1 |
| 329 |
|
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endif |
| 330 |
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|
| 331 |
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|
| 332 |
|
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C-- Forcing term |
| 333 |
|
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C Add fresh-water in top-layer |
| 334 |
|
|
IF ( kLev .EQ. kSurface ) THEN |
| 335 |
|
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DO j=jMin,jMax |
| 336 |
|
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DO i=iMin,iMax |
| 337 |
|
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gS(i,j,kLev,bi,bj)=gS(i,j,kLev,bi,bj) |
| 338 |
jmc |
1.4 |
& +surfaceForcingS(i,j,bi,bj) |
| 339 |
|
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& *recip_drF(kLev)*recip_hFacC(i,j,kLev,bi,bj) |
| 340 |
adcroft |
1.1 |
ENDDO |
| 341 |
|
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ENDDO |
| 342 |
|
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ENDIF |
| 343 |
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|
| 344 |
|
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#if (defined (ALLOW_OBCS) && defined (ALLOW_OBCS_SPONGE)) |
| 345 |
|
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IF (useOBCS) THEN |
| 346 |
|
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CALL OBCS_SPONGE_S( |
| 347 |
|
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 348 |
|
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I myCurrentTime,myThid) |
| 349 |
|
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ENDIF |
| 350 |
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#endif |
| 351 |
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| 352 |
|
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RETURN |
| 353 |
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END |
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