| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_init_fixed.F,v 1.6 2009/07/08 21:59:01 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "SEAICE_OPTIONS.h" |
| 5 |
|
| 6 |
CStartOfInterface |
| 7 |
SUBROUTINE SEAICE_INIT_FIXED( myThid ) |
| 8 |
C *==========================================================* |
| 9 |
C | SUBROUTINE SEAICE_INIT_FIXED |
| 10 |
C | o Initialization of sea ice model. |
| 11 |
C *==========================================================* |
| 12 |
C *==========================================================* |
| 13 |
IMPLICIT NONE |
| 14 |
|
| 15 |
C === Global variables === |
| 16 |
#include "SIZE.h" |
| 17 |
#include "EEPARAMS.h" |
| 18 |
#include "PARAMS.h" |
| 19 |
#include "GRID.h" |
| 20 |
#include "FFIELDS.h" |
| 21 |
#include "SEAICE_PARAMS.h" |
| 22 |
#include "SEAICE.h" |
| 23 |
CML#include "SEAICE_GRID.h" |
| 24 |
|
| 25 |
C === Routine arguments === |
| 26 |
C myThid - Thread no. that called this routine. |
| 27 |
INTEGER myThid |
| 28 |
CEndOfInterface |
| 29 |
|
| 30 |
C === Local variables === |
| 31 |
C i,j,k,bi,bj - Loop counters |
| 32 |
|
| 33 |
INTEGER i, j, bi, bj |
| 34 |
INTEGER kSurface |
| 35 |
#ifndef SEAICE_CGRID |
| 36 |
_RS mask_uice |
| 37 |
#endif |
| 38 |
cif( |
| 39 |
cif Helper variable for determining the fraction of sw radiation |
| 40 |
cif penetrating the model's shallowest layer |
| 41 |
INTEGER dummyIter |
| 42 |
_RL dummyTime |
| 43 |
_RL swfracba(2) |
| 44 |
_RL FACTORM |
| 45 |
INTEGER IMAX |
| 46 |
cif) |
| 47 |
|
| 48 |
IF ( buoyancyRelation .EQ. 'OCEANICP' ) THEN |
| 49 |
kSurface = Nr |
| 50 |
ELSE |
| 51 |
kSurface = 1 |
| 52 |
ENDIF |
| 53 |
|
| 54 |
C Initialize MNC variable information for SEAICE |
| 55 |
IF ( useMNC .AND. |
| 56 |
& (seaice_tave_mnc.OR.seaice_dump_mnc.OR.SEAICE_mon_mnc) |
| 57 |
& ) THEN |
| 58 |
CALL SEAICE_MNC_INIT( myThid ) |
| 59 |
ENDIF |
| 60 |
|
| 61 |
cif( |
| 62 |
#ifdef SHORTWAVE_HEATING |
| 63 |
IMAX = 2 |
| 64 |
FACTORM = -1.0 |
| 65 |
dummyTime = 1.0 |
| 66 |
dummyIter = 0 |
| 67 |
swfracba(1) = abs(rF(1)) |
| 68 |
swfracba(2) = abs(rF(2)) |
| 69 |
CALL SWFRAC( |
| 70 |
I IMAX,FACTORM, |
| 71 |
U swfracba, |
| 72 |
I dummyTime,dummyIter,myThid) |
| 73 |
SWFRACB = swfracba(2) |
| 74 |
#endif |
| 75 |
cif) |
| 76 |
|
| 77 |
C-- Initialize grid info |
| 78 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 79 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 80 |
DO j=1-OLy,sNy+OLy |
| 81 |
DO i=1-OLx,sNx+OLx |
| 82 |
HEFFM(i,j,bi,bj) = 0. _d 0 |
| 83 |
ENDDO |
| 84 |
ENDDO |
| 85 |
DO j=1-OLy,sNy+OLy |
| 86 |
DO i=1-OLx,sNx+OLx |
| 87 |
HEFFM(i,j,bi,bj)= 1. _d 0 |
| 88 |
IF (_hFacC(i,j,kSurface,bi,bj).eq.0.) |
| 89 |
& HEFFM(i,j,bi,bj)= 0. _d 0 |
| 90 |
ENDDO |
| 91 |
ENDDO |
| 92 |
DO j=1-OLy+1,sNy+OLy |
| 93 |
DO i=1-OLx+1,sNx+OLx |
| 94 |
#ifndef SEAICE_CGRID |
| 95 |
UVM(i,j,bi,bj)=0. _d 0 |
| 96 |
mask_uice=HEFFM(i,j, bi,bj)+HEFFM(i-1,j-1,bi,bj) |
| 97 |
& +HEFFM(i,j-1,bi,bj)+HEFFM(i-1,j, bi,bj) |
| 98 |
IF(mask_uice.GT.3.5 _d 0) UVM(i,j,bi,bj)=1. _d 0 |
| 99 |
#endif /* SEAICE_CGRID */ |
| 100 |
ENDDO |
| 101 |
ENDDO |
| 102 |
ENDDO |
| 103 |
ENDDO |
| 104 |
|
| 105 |
#ifdef SEAICE_CGRID |
| 106 |
C coefficients for metric terms |
| 107 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 108 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 109 |
DO j=1-OLy,sNy+OLy |
| 110 |
DO i=1-OLx,sNx+OLx |
| 111 |
k1AtC(I,J,bi,bj) = 0.0 _d 0 |
| 112 |
k1AtZ(I,J,bi,bj) = 0.0 _d 0 |
| 113 |
k2AtC(I,J,bi,bj) = 0.0 _d 0 |
| 114 |
k2AtZ(I,J,bi,bj) = 0.0 _d 0 |
| 115 |
ENDDO |
| 116 |
ENDDO |
| 117 |
IF ( usingSphericalPolarGrid .AND. SEAICEuseMetricTerms ) THEN |
| 118 |
C This is the only case where tan(phi) is not zero. In this case |
| 119 |
C C and U points, and Z and V points have the same phi, so that we |
| 120 |
C only need a copy here. Do not use tan(YC) and tan(YG), because these |
| 121 |
C can be the geographical coordinates and not the correct grid |
| 122 |
C coordinates when the grid is rotated (phi/theta/psiEuler .NE. 0) |
| 123 |
DO j=1-OLy,sNy+OLy |
| 124 |
DO i=1-OLx,sNx+OLx |
| 125 |
k2AtC(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
| 126 |
k2AtZ(I,J,bi,bj) = - _tanPhiAtV(I,J,bi,bj)*recip_rSphere |
| 127 |
ENDDO |
| 128 |
ENDDO |
| 129 |
ELSEIF ( usingCurvilinearGrid .AND. SEAICEuseMetricTerms ) THEN |
| 130 |
C compute metric term coefficients from finite difference approximation |
| 131 |
DO j=1-OLy,sNy+OLy |
| 132 |
DO i=1-OLx,sNx+OLx-1 |
| 133 |
k1AtC(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) |
| 134 |
& * ( _dyG(I+1,J,bi,bj) - _dyG(I,J,bi,bj) ) |
| 135 |
& * _recip_dxF(I,J,bi,bj) |
| 136 |
ENDDO |
| 137 |
ENDDO |
| 138 |
DO j=1-OLy,sNy+OLy |
| 139 |
DO i=1-OLx+1,sNx+OLx |
| 140 |
k1AtZ(I,J,bi,bj) = _recip_dyU(I,J,bi,bj) |
| 141 |
& * ( _dyC(I,J,bi,bj) - _dyC(I-1,J,bi,bj) ) |
| 142 |
& * _recip_dxV(I,J,bi,bj) |
| 143 |
ENDDO |
| 144 |
ENDDO |
| 145 |
DO j=1-OLy,sNy+OLy-1 |
| 146 |
DO i=1-OLx,sNx+OLx |
| 147 |
k2AtC(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) |
| 148 |
& * ( _dxG(I,J+1,bi,bj) - _dxG(I,J,bi,bj) ) |
| 149 |
& * _recip_dyF(I,J,bi,bj) |
| 150 |
ENDDO |
| 151 |
ENDDO |
| 152 |
DO j=1-OLy+1,sNy+OLy |
| 153 |
DO i=1-OLx,sNx+OLx |
| 154 |
k2AtC(I,J,bi,bj) = _recip_dxV(I,J,bi,bj) |
| 155 |
& * ( _dxC(I,J,bi,bj) - _dxC(I,J-1,bi,bj) ) |
| 156 |
& * _recip_dyU(I,J,bi,bj) |
| 157 |
ENDDO |
| 158 |
ENDDO |
| 159 |
ENDIF |
| 160 |
ENDDO |
| 161 |
ENDDO |
| 162 |
#endif /* SEAICE_CGRID */ |
| 163 |
|
| 164 |
#ifndef SEAICE_CGRID |
| 165 |
C-- Choose a proxy level for geostrophic velocity, |
| 166 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 167 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 168 |
DO j=1-OLy,sNy+OLy |
| 169 |
DO i=1-OLx,sNx+OLx |
| 170 |
KGEO(i,j,bi,bj) = 0 |
| 171 |
ENDDO |
| 172 |
ENDDO |
| 173 |
DO j=1-OLy,sNy+OLy |
| 174 |
DO i=1-OLx,sNx+OLx |
| 175 |
#ifdef SEAICE_BICE_STRESS |
| 176 |
KGEO(i,j,bi,bj) = 1 |
| 177 |
#else /* SEAICE_BICE_STRESS */ |
| 178 |
IF (klowc(i,j,bi,bj) .LT. 2) THEN |
| 179 |
KGEO(i,j,bi,bj) = 1 |
| 180 |
ELSE |
| 181 |
KGEO(i,j,bi,bj) = 2 |
| 182 |
DO WHILE ( abs(rC(KGEO(i,j,bi,bj))) .LT. 50.0 _d 0 .AND. |
| 183 |
& KGEO(i,j,bi,bj) .LT. (klowc(i,j,bi,bj)-1) ) |
| 184 |
KGEO(i,j,bi,bj) = KGEO(i,j,bi,bj) + 1 |
| 185 |
ENDDO |
| 186 |
ENDIF |
| 187 |
#endif /* SEAICE_BICE_STRESS */ |
| 188 |
ENDDO |
| 189 |
ENDDO |
| 190 |
ENDDO |
| 191 |
ENDDO |
| 192 |
#endif /* SEAICE_CGRID */ |
| 193 |
|
| 194 |
#ifdef ALLOW_DIAGNOSTICS |
| 195 |
IF ( useDiagnostics ) THEN |
| 196 |
CALL SEAICE_DIAGNOSTICS_INIT( myThid ) |
| 197 |
ENDIF |
| 198 |
#endif |
| 199 |
|
| 200 |
RETURN |
| 201 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph