[186] | 1 | MODULE trcrad |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcrad *** |
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| 4 | !! Ocean passive tracers: correction of negative concentrations |
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| 5 | !!====================================================================== |
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| 6 | #if defined key_passivetrc |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! trc_rad : correction of negative concentrations |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! * Modules used |
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| 11 | USE oce_trc ! ocean dynamics and tracers variables |
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[202] | 12 | USE trc ! ocean passive tracers variables |
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[261] | 13 | USE lib_mpp |
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[334] | 14 | USE prtctl_trc ! Print control for debbuging |
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[186] | 15 | |
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| 16 | IMPLICIT NONE |
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| 17 | PRIVATE |
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| 18 | |
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| 19 | !! * Routine accessibility |
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| 20 | PUBLIC trc_rad ! routine called by trcstp.F90 |
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| 21 | !! * Substitutions |
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| 22 | # include "passivetrc_substitute.h90" |
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| 23 | !!---------------------------------------------------------------------- |
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[349] | 24 | !! TOP 1.0 , LOCEAN-IPSL (2005) |
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[719] | 25 | !! $Header$ |
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[342] | 26 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[186] | 27 | !!---------------------------------------------------------------------- |
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| 28 | CONTAINS |
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| 29 | |
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| 30 | SUBROUTINE trc_rad( kt ) |
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| 31 | !!---------------------------------------------------------------------- |
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| 32 | !! *** ROUTINE trc_rad *** |
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| 33 | !! |
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| 34 | !! ** Purpose : "crappy" routine to correct artificial negative |
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| 35 | !! concentrations due to isopycnal scheme |
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| 36 | !! |
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| 37 | !! ** Method : Set negative concentrations to zero |
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| 38 | !! compute the corresponding mass added to the tracers |
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| 39 | !! and remove it when possible |
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| 40 | !! |
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| 41 | !! History : |
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| 42 | !! 8.2 ! 01-01 (O. Aumont & E. Kestenare) Original code |
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| 43 | !! 9.0 ! 04-03 (C. Ethe) free form F90 |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | !! * Arguments |
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| 46 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 47 | |
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| 48 | !! * Local declarations |
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| 49 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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[433] | 50 | #if defined key_trc_pisces || defined key_trc_lobster1 |
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[186] | 51 | REAL(wp) :: zvolk, trcorb, trmasb ,trcorn, trmasn |
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| 52 | #endif |
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[334] | 53 | CHARACTER (len=22) :: charout |
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[186] | 54 | !!---------------------------------------------------------------------- |
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| 55 | |
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| 56 | IF( kt == nittrc000 ) THEN |
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| 57 | IF(lwp) WRITE(numout,*) |
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| 58 | IF(lwp) WRITE(numout,*) 'trc_rad : Correct artificial negative concentrations ' |
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| 59 | IF(lwp) WRITE(numout,*) '~~~~~~~ ' |
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| 60 | ENDIF |
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| 61 | |
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| 62 | |
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[433] | 63 | #if defined key_cfc |
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[186] | 64 | DO jn = 1, jptra |
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| 65 | DO jk = 1, jpkm1 |
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| 66 | DO jj = 1, jpj |
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| 67 | DO ji = 1, jpi |
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| 68 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
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| 69 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
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| 70 | END DO |
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| 71 | END DO |
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| 72 | END DO |
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| 73 | END DO |
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| 74 | |
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[433] | 75 | #elif defined key_trc_pisces || defined key_trc_lobster1 |
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| 76 | |
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[186] | 77 | DO jn = 1, jptra |
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| 78 | trcorb = 0. |
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| 79 | trmasb = 0. |
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| 80 | trcorn = 0. |
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| 81 | trmasn = 0. |
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| 82 | DO jk = 1, jpkm1 |
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| 83 | DO jj = 1, jpj |
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| 84 | DO ji = 1, jpi |
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| 85 | zvolk = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) & |
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| 86 | #if defined key_off_degrad |
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| 87 | & * facvol(ji,jj,jk) & |
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| 88 | #endif |
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[433] | 89 | & * tmask(ji,jj,jk) * tmask_i(ji,jj) |
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[186] | 90 | |
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| 91 | trcorb = trcorb + MIN( 0., trb(ji,jj,jk,jn) ) * zvolk |
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| 92 | trcorn = trcorn + MIN( 0., trn(ji,jj,jk,jn) ) * zvolk |
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| 93 | |
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| 94 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
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| 95 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
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| 96 | |
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| 97 | trmasb = trmasb + trb(ji,jj,jk,jn) * zvolk |
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| 98 | trmasn = trmasn + trn(ji,jj,jk,jn) * zvolk |
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| 99 | END DO |
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| 100 | END DO |
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| 101 | END DO |
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| 102 | |
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[261] | 103 | IF( lk_mpp ) THEN |
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| 104 | CALL mpp_sum( trcorb ) ! sum over the global domain |
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| 105 | CALL mpp_sum( trcorn ) ! sum over the global domain |
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| 106 | CALL mpp_sum( trmasb ) ! sum over the global domain |
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| 107 | CALL mpp_sum( trmasn ) ! sum over the global domain |
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| 108 | ENDIF |
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| 109 | |
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[334] | 110 | IF( trcorb /= 0 ) THEN |
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[186] | 111 | DO jk = 1, jpkm1 |
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| 112 | DO jj = 1, jpj |
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| 113 | DO ji = 1, jpi |
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| 114 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
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| 115 | trb(ji,jj,jk,jn) = trb(ji,jj,jk,jn) * ( 1. + trcorb/trmasb ) * tmask(ji,jj,jk) |
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| 116 | END DO |
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| 117 | END DO |
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| 118 | END DO |
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| 119 | ENDIF |
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| 120 | |
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| 121 | IF( trcorn /= 0) THEN |
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| 122 | DO jk = 1, jpkm1 |
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| 123 | DO jj = 1, jpj |
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| 124 | DO ji = 1, jpi |
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| 125 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
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| 126 | trn(ji,jj,jk,jn) = trn(ji,jj,jk,jn) * ( 1. + trcorn/trmasn ) * tmask(ji,jj,jk) |
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| 127 | END DO |
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| 128 | END DO |
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| 129 | END DO |
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| 130 | ENDIF |
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| 131 | |
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| 132 | END DO |
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| 133 | |
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| 134 | #endif |
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| 135 | |
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[334] | 136 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 137 | WRITE(charout, FMT="('rad')") |
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| 138 | CALL prt_ctl_trc_info(charout) |
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| 139 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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| 140 | ENDIF |
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| 141 | |
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[186] | 142 | |
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| 143 | END SUBROUTINE trc_rad |
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| 144 | |
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| 145 | #else |
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| 146 | !!---------------------------------------------------------------------- |
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[202] | 147 | !! Dummy module : NO passive tracer |
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[186] | 148 | !!---------------------------------------------------------------------- |
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| 149 | CONTAINS |
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| 150 | SUBROUTINE trc_rad (kt ) ! Empty routine |
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| 151 | INTEGER, INTENT(in) :: kt |
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| 152 | WRITE(*,*) 'trc_rad: You should not have seen this print! error?', kt |
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| 153 | END SUBROUTINE trc_rad |
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| 154 | #endif |
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| 155 | |
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| 156 | !!====================================================================== |
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| 157 | END MODULE trcrad |
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