[719] | 1 | CCC $Header$ |
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[339] | 2 | SUBROUTINE trcexp(kt) |
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| 3 | #if defined key_passivetrc && defined key_trc_lobster1 |
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[186] | 4 | CCC--------------------------------------------------------------------- |
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| 5 | CCC |
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| 6 | CCC ROUTINE trcexp |
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| 7 | CCC ****************** |
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| 8 | CCC |
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| 9 | CC |
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| 10 | CC PURPOSE. |
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| 11 | CC -------- |
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| 12 | CC *TRCEXP* MODELS EXPORT OF BIOGENIC MATTER (POC ''SOFT |
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| 13 | CC TISSUE'') AND ITS DISTRIBUTION IN WATER COLUMN |
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| 14 | CC |
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| 15 | CC METHOD. |
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| 16 | CC ------- |
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| 17 | CC IN THE SURFACE LAYER POC IS PRODUCED ACCORDING TO |
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| 18 | CC NURTRIENTS AVAILABLE AND GROWTH CONDITIONS. NUTRIENT UPTAKE |
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| 19 | CC KINETICS FOLLOW MICHAELIS-MENTON FORMULATION. |
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| 20 | CC THE TOTAL PARTICLE AMOUNT PRODUCED, IS DISTRIBUTED IN THE WATER |
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| 21 | CC COLUMN BELOW THE SURFACE LAYER. |
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| 22 | CC |
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| 23 | CC EXTERNALS. |
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| 24 | CC ---------- |
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| 25 | CC NONE. |
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| 26 | CC |
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| 27 | CC REFERENCE. |
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| 28 | CC ---------- |
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| 29 | CC |
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| 30 | CC MODIFICATIONS: |
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| 31 | CC -------------- |
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| 32 | CC original : 1999 O. Aumont |
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| 33 | CC modifications : 1999 C. Le Quere |
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| 34 | CC additions : 01-05 (O. Aumont, E. Kestenare): |
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| 35 | CC add sediment computations |
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[339] | 36 | CC : 05-06 (AS. Kremeur) new temporal integration for sedpoc |
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[186] | 37 | CC --------------------------------------------------------------------- |
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| 38 | c ------ |
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| 39 | CC parameters and commons |
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| 40 | CC ====================== |
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| 41 | CDIR$ NOLIST |
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| 42 | USE oce_trc |
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| 43 | USE trp_trc |
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| 44 | USE sms |
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| 45 | USE lbclnk |
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[339] | 46 | USE trc |
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| 47 | USE trctrp_lec |
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[186] | 48 | |
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| 49 | IMPLICIT NONE |
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| 50 | CDIR$ LIST |
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| 51 | CC---------------------------------------------------------------------- |
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| 52 | CC local declarations |
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| 53 | CC ================== |
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| 54 | C |
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[339] | 55 | INTEGER kt |
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[186] | 56 | INTEGER ji, jj, jk, zkbot(jpi,jpj) |
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[339] | 57 | REAL zwork(jpi,jpj), zgeolpoc, zfact |
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[186] | 58 | CC---------------------------------------------------------------------- |
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| 59 | CC statement functions |
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| 60 | CC =================== |
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| 61 | CDIR$ NOLIST |
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| 62 | #include "domzgr_substitute.h90" |
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| 63 | CDIR$ LIST |
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| 64 | C |
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| 65 | C VERTICAL DISTRIBUTION OF NEWLY PRODUCED BIOGENIC |
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| 66 | C POC IN THE WATER COLUMN |
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| 67 | C (PARTS OF NEWLY FORMED MATTER REMAINING IN THE DIFFERENT |
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| 68 | C LAYERS IS DETERMINED BY DMIN3 DEFINED IN common.passivetrc.*.h |
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| 69 | C ---------------------------------------------------------------------- |
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| 70 | C |
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| 71 | C |
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| 72 | DO jk = 1,jpkm1 |
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| 73 | DO jj = 2,jpjm1 |
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| 74 | DO ji = 2,jpim1 |
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| 75 | tra(ji,jj,jk,jpno3) = tra(ji,jj,jk,jpno3)+ |
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| 76 | & (1./fse3t(ji,jj,jk))* |
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| 77 | & dmin3(ji,jj,jk) *fbod(ji,jj) |
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| 78 | ENDDO |
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| 79 | ENDDO |
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| 80 | ENDDO |
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| 81 | C |
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| 82 | C Find the last level of the water column |
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| 83 | C Compute fluxes due to sinking particles (slow) |
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| 84 | C |
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| 85 | zkbot = jpk |
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| 86 | zwork = 0. |
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| 87 | C |
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| 88 | C |
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| 89 | DO jk = 1,jpkm1 |
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| 90 | DO jj = 2,jpjm1 |
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| 91 | DO ji = 2,jpim1 |
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| 92 | |
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[339] | 93 | IF ( tmask(ji,jj,jk) .eq. 1 .and. |
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| 94 | . tmask(ji,jj,jk+1). eq. 0 ) THEN |
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[186] | 95 | zkbot(ji,jj) = jk |
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| 96 | zwork(ji,jj) = vsed * trn(ji,jj,jk,jpdet) |
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| 97 | ENDIF |
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| 98 | |
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| 99 | ENDDO |
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| 100 | ENDDO |
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| 101 | ENDDO |
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| 102 | C |
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| 103 | C Initialization |
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| 104 | zgeolpoc = 0. |
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| 105 | |
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| 106 | C Release of nutrients from the "simple" sediment |
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| 107 | C |
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| 108 | DO jj = 2,jpjm1 |
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| 109 | DO ji = 2,jpim1 |
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| 110 | tra(ji,jj,zkbot(ji,jj),jpno3) = |
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| 111 | . tra(ji,jj,zkbot(ji,jj),jpno3) + |
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[339] | 112 | . sedlam*sedpocn(ji,jj)/fse3t(ji,jj,zkbot(ji,jj)) |
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| 113 | |
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[186] | 114 | C Deposition of organic matter in the sediment |
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| 115 | C |
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[339] | 116 | zgeolpoc = zgeolpoc + sedlostpoc*sedpocn(ji,jj)* |
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[186] | 117 | . e1t(ji,jj)*e2t(ji,jj) |
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| 118 | |
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[339] | 119 | sedpoca(ji,jj) = zwork(ji,jj)*rdt + |
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[186] | 120 | . dminl(ji,jj)*fbod(ji,jj)*rdt - |
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[339] | 121 | . sedlam*sedpocn(ji,jj)*rdt - |
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| 122 | . sedlostpoc*sedpocn(ji,jj)*rdt |
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[186] | 123 | C |
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| 124 | ENDDO |
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| 125 | ENDDO |
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| 126 | C |
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| 127 | DO jj = 2,jpjm1 |
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| 128 | DO ji = 2,jpim1 |
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| 129 | tra(ji,jj,1,jpno3) = tra(ji,jj,1,jpno3) + zgeolpoc* |
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| 130 | . cmask(ji,jj)/areacot/fse3t(ji,jj,1) |
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[339] | 131 | ENDDO |
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[186] | 132 | ENDDO |
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| 133 | |
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[339] | 134 | CALL lbc_lnk( sedpocn, 'T', 1. ) |
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[186] | 135 | |
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| 136 | C Oa & Ek: diagnostics depending on jpdia2d |
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| 137 | C left as example |
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| 138 | # if defined key_trc_diaadd |
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| 139 | do jj=1,jpj |
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| 140 | do ji=1,jpi |
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[339] | 141 | trc2d(ji,jj,19)=sedpocn(ji,jj) |
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[186] | 142 | end do |
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| 143 | end do |
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| 144 | # endif |
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| 145 | |
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[339] | 146 | c ! 1. Leap-frog scheme (only in explicit case, otherwise the |
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| 147 | c ! ------------------- time stepping is already done in trczdf) |
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| 148 | IF(l_trczdf_exp .AND. (ln_trcadv_cen2 .OR. ln_trcadv_tvd)) THEN |
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| 149 | zfact = 2. * rdttra(jk) * FLOAT(ndttrc) |
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| 150 | IF( neuler == 0 .AND. kt == nittrc000 ) |
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| 151 | . zfact = rdttra(jk) * FLOAT(ndttrc) |
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| 152 | sedpoca(:,:) = ( sedpocb(:,:) + zfact * sedpoca(:,:) ) |
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| 153 | ENDIF |
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| 154 | |
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| 155 | |
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| 156 | c ! 2. Time filter and swap of arrays |
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| 157 | c ! --------------------------------- |
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| 158 | IF ( ln_trcadv_cen2 .OR. ln_trcadv_tvd ) THEN |
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| 159 | IF( neuler == 0 .AND. kt == nittrc000 ) THEN |
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| 160 | DO jj = 1, jpj |
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| 161 | DO ji = 1, jpi |
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| 162 | sedpocb(ji,jj) = sedpocn(ji,jj) |
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| 163 | sedpocn(ji,jj) = sedpoca(ji,jj) |
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| 164 | sedpoca(ji,jj) = 0. |
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| 165 | END DO |
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| 166 | END DO |
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| 167 | ELSE |
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| 168 | DO jj = 1, jpj |
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| 169 | DO ji = 1, jpi |
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| 170 | sedpocb(ji,jj) = atfp*(sedpocb(ji,jj)+sedpoca(ji,jj)) |
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| 171 | . + atfp1 * sedpocn(ji,jj) |
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| 172 | sedpocn(ji,jj) = sedpoca(ji,jj) |
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| 173 | sedpoca(ji,jj) = 0. |
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| 174 | END DO |
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| 175 | END DO |
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| 176 | ENDIF |
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| 177 | |
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| 178 | ELSE |
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| 179 | c ! case of smolar scheme or muscl |
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| 180 | DO jj = 1, jpj |
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| 181 | DO ji = 1, jpi |
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| 182 | sedpocb(ji,jj) = sedpoca(ji,jj) |
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| 183 | sedpocn(ji,jj) = sedpoca(ji,jj) |
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| 184 | sedpoca(ji,jj) = 0. |
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| 185 | END DO |
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| 186 | END DO |
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| 187 | |
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| 188 | ENDIF |
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| 189 | |
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[186] | 190 | #endif |
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| 191 | RETURN |
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| 192 | END |
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