Changeset 4720
- Timestamp:
- 2014-07-15T18:48:56+02:00 (10 years ago)
- File:
-
- 1 edited
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branches/2014/dev_4707_CNRS04_bgc_ice/NEMOGCM/NEMO/TOP_SRC/TRP/trcsbc.F90
r3719 r4720 21 21 USE trdmod_oce 22 22 USE trdtra 23 ! MV 2013 24 USE sbc_oce ! Required to get access to fmmflx 25 USE dom_oce ! Required to get access to r2dtra 26 ! END MV 2013 23 27 24 28 IMPLICIT NONE … … 65 69 REAL(wp), POINTER, DIMENSION(:,: ) :: zsfx 66 70 REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrtrd 71 72 ! MV 2013 73 REAL(wp) :: zswitch , & ! virtual salt flux or vvl 74 zftra , & 75 zcd , & 76 zdtra , & 77 ztfx , & 78 ztra , & 79 zeuler ! euler or leapfrog 80 ! END MV 2013 67 81 !!--------------------------------------------------------------------- 68 82 ! … … 72 86 CALL wrk_alloc( jpi, jpj, zsfx ) 73 87 IF( l_trdtrc ) CALL wrk_alloc( jpi, jpj, jpk, ztrtrd ) 88 89 ! MV 2013 90 SELECT CASE( nn_ice_embd ) ! levitating or embedded sea-ice option 91 CASE( 0 ) ; zswitch = 1 ! (0) standard levitating sea-ice : salt exchange only 92 CASE( 1, 2 ) ; zswitch = 0 ! (1) levitating sea-ice: salt and volume exchange but no pressure effect 93 ! (2) embedded sea-ice : salt and volume fluxes and pressure 94 END SELECT 95 ! END MV 2013 74 96 75 97 IF( kt == nittrc000 ) THEN … … 91 113 ! 0. initialization 92 114 zsrau = 1. / rau0 115 IF ( neuler .EQ. 0 ) THEN 116 zeuler = 0.0 117 ELSE 118 zeuler = 1.0 119 ENDIF 120 121 i_code = 1 122 93 123 DO jn = 1, jptra 94 124 ! 95 125 IF( l_trdtrc ) ztrtrd(:,:,:) = tra(:,:,:,jn) ! save trends 96 126 ! ! add the trend to the general tracer trend 127 ! MV 2013 sea ice tracers 128 ! OLD LOOP 129 IF ( i_code == 0 ) THEN 130 97 131 DO jj = 2, jpj 98 132 DO ji = fs_2, fs_jpim1 ! vector opt. … … 101 135 END DO 102 136 END DO 137 ! NEW LOOP 138 139 ELSE ! i_code 140 141 DO jj = 2, jpj 142 DO ji = fs_2, fs_jpim1 ! vector opt. 143 144 zse3t = 1. / fse3t(ji,jj,1) 145 146 ! tracer flux at the ice/ocean interface (tracer/m2/s) 147 zftra = - trc_i(ji,jj,jn) * fmmflx(ji,jj) ! uptake of tracer in the sea ice 148 zcd = trc_o(ji,jj,jn) * fmmflx(ji,jj) ! concentration dilution due to freezing-melting, 149 ! only used in the levitating sea ice case 150 ! tracer flux only : add concentration dilution term in net tracer flux, no F-M in volume flux 151 ! tracer and mass fluxes : no concentration dilution term in net tracer flux, F-M term in volume flux 152 ztfx = zftra + zswitch * zcd ! net tracer flux (+C/D if no ice/ocean mass exchange) 153 154 ! tracer change (left member: euler; right member:leapfrog) 155 ztra = ( 1. - zeuler ) * trn(ji,jj,1,jn) + zeuler * trb(ji,jj,1,jn) 156 157 ! MAX is there to avoid integral ocean uptake in the case of freezing (for iron) 158 zdtra = MAX ( - ztra / r2dtra(1) , zsrau * ( ztfx + zsfx(ji,jj) * trn(ji,jj,1,jn) ) * zse3t ) ! tracer tendency 159 ! r2dtra is time step 160 tra(ji,jj,1,jn) = tra(ji,jj,1,jn) + zdtra ! new line 161 162 ! IF ( ztfx .NE. 0.0 ) THEN 163 ! WRITE(numout,*) ji, jj, jn 164 ! WRITE(numout,*) ' trc_o : ', trc_o(ji,jj,jn) 165 ! WRITE(numout,*) ' trc_i : ', trc_i(ji,jj,jn) 166 ! WRITE(numout,*) ' fmmflx : ', fmmflx(ji,jj) 167 ! WRITE(numout,*) ' zswitch: ', zswitch 168 ! WRITE(numout,*) ' zcd : ', zcd 169 ! WRITE(numout,*) ' zftra : ', zftra 170 ! WRITE(numout,*) ' ztfx : ', ztfx 171 ! WRITE(numout,*) ' zsrau : ', zsrau 172 ! WRITE(numout,*) ' zsfx : ', zsfx(ji,jj) 173 ! WRITE(numout,*) ' zse3t : ', zse3t 174 ! WRITE(numout,*) ' ztra : ', ztra 175 ! WRITE(numout,*) ' zdtra : ', zdtra 176 ! WRITE(numout,*) ' Old tendency : ', zsfx(ji,jj) * zsrau * trn(ji,jj,1,jn) * zse3t 177 ! ENDIF 178 179 END DO 180 END DO 181 182 ENDIF ! i_code 183 ! END MV 2013 103 184 104 185 IF( l_trdtrc ) THEN
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