[268] | 1 | MODULE trcdta |
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| 2 | !!====================================================================== |
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[433] | 3 | !! *** MODULE trcdta *** |
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| 4 | !! Ocean data : reads passive tracer data |
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[268] | 5 | !!===================================================================== |
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[340] | 6 | !! TOP 1.0, LOCEAN-IPSL (2005) |
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[719] | 7 | !! $Header$ |
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[340] | 8 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[274] | 9 | !!---------------------------------------------------------------------- |
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[268] | 10 | |
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[493] | 11 | #if defined key_passivetrc && defined key_dtatrc |
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[268] | 12 | !!---------------------------------------------------------------------- |
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[493] | 13 | !! 'key_dtatrc' 3D tracer data field |
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[268] | 14 | !!---------------------------------------------------------------------- |
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| 15 | !! dta_trc : read ocean passive tracer data |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | !! * Modules used |
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[335] | 18 | USE oce_trc |
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| 19 | USE trc |
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| 20 | USE par_sms |
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| 21 | USE lib_print |
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[268] | 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | !! * Routine accessibility |
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| 27 | PUBLIC dta_trc ! called by trcdtr.F90 and trcdmp.F90 |
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| 28 | |
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| 29 | !! * Shared module variables |
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| 30 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk,jptra) :: & !: |
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[433] | 31 | trdta !: tracer data at given time-step |
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[268] | 32 | |
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| 33 | !! * Module variables |
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| 34 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra,2) :: & |
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[433] | 35 | tracdta ! tracer data at two consecutive times |
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[268] | 36 | INTEGER , DIMENSION(jptra) :: & |
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| 37 | nlectr , & !!: switch for reading once |
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[433] | 38 | ntrc1 , & !!: number of first month when reading 12 monthly value |
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| 39 | ntrc2 !!: number of second month when reading 12 monthly value |
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[268] | 40 | |
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| 41 | !! * Substitutions |
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| 42 | # include "passivetrc_substitute.h90" |
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| 43 | |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | !! OPA 9.0 , LODYC-IPSL (2003) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | !! Default case NetCDF file |
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| 52 | !!---------------------------------------------------------------------- |
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[335] | 53 | |
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[268] | 54 | SUBROUTINE dta_trc( kt ) |
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[335] | 55 | !!---------------------------------------------------------------------- |
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| 56 | !! *** ROUTINE dta_trc *** |
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| 57 | !! |
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| 58 | !! ** Purpose : Reads passive tracer data (Levitus monthly data) |
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| 59 | !! |
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| 60 | !! ** Method : Read on unit numtr the interpolated tracer concentra- |
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| 61 | !! tion onto the global grid. Data begin at january. |
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| 62 | !! The value is centered at the middle of month. |
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| 63 | !! In the opa model, kt=1 agree with january 1. |
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| 64 | !! At each time step, a linear interpolation is applied between |
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| 65 | !! two monthly values. |
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| 66 | !! |
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| 67 | !! History : |
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| 68 | !! 8.2 ! 02-04 (O. Aumont) Original code |
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| 69 | !! 9.0 ! 04-03 (C. Ethe) |
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| 70 | !! 9.0 ! 05-03 (O. Aumont and A. El Moussaoui) F90 |
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| 71 | !!---------------------------------------------------------------------- |
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| 72 | !! * Modules used |
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[493] | 73 | USE iom |
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[268] | 74 | |
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| 75 | !! * Arguments |
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| 76 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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| 77 | |
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[335] | 78 | !! * Local declarations |
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[268] | 79 | INTEGER :: ji, jj, jn, jl |
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| 80 | INTEGER, PARAMETER :: & |
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| 81 | jpmois = 12 ! number of months |
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| 82 | |
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| 83 | INTEGER :: & |
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[493] | 84 | imois, iman, i15, ik ! temporary integers |
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[268] | 85 | CHARACTER (len=39) :: clname(jptra) |
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[493] | 86 | REAL(wp) :: zxy, zl |
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[335] | 87 | !!---------------------------------------------------------------------- |
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[268] | 88 | |
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| 89 | DO jn = 1, jptra |
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| 90 | |
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[335] | 91 | IF( lutini(jn) ) THEN |
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[268] | 92 | |
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[493] | 93 | IF ( kt == nittrc000 ) THEN |
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[335] | 94 | !! 3D tracer data |
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| 95 | IF(lwp)WRITE(numout,*) |
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[433] | 96 | IF(lwp)WRITE(numout,*) ' dta_trc: reading tracer' |
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| 97 | IF(lwp)WRITE(numout,*) ' data file ', jn, ctrcnm(jn) |
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[335] | 98 | IF(lwp)WRITE(numout,*) |
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| 99 | nlectr(jn) = 0 |
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| 100 | ENDIF |
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| 101 | ! Initialization |
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| 102 | iman = jpmois |
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| 103 | i15 = nday/16 |
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| 104 | imois = nmonth + i15 -1 |
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| 105 | IF( imois == 0 ) imois = iman |
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[268] | 106 | |
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[493] | 107 | |
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[335] | 108 | ! First call kt=nit000 |
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| 109 | ! -------------------- |
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[268] | 110 | |
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[493] | 111 | IF ( kt == nittrc000 .AND. nlectr(jn) == 0 ) THEN |
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[335] | 112 | ntrc1(jn) = 0 |
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[493] | 113 | IF(lwp) WRITE(numout,*) ' trc_dta : Levitus tracer data monthly fields' |
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[335] | 114 | ! open file |
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[433] | 115 | #if defined key_trc_pisces |
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[335] | 116 | clname(jn) = 'LEVITUS_'//ctrcnm(jn) |
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[433] | 117 | #else |
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| 118 | clname(jn) = ctrcnm(jn) |
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| 119 | #endif |
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[493] | 120 | CALL iom_open ( clname(jn), numtr(jn) ) |
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[268] | 121 | |
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| 122 | ENDIF |
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| 123 | |
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[433] | 124 | #if defined key_trc_pisces |
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[335] | 125 | ! Read montly file |
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[493] | 126 | IF( ( kt == nittrc000 .AND. nlectr(jn) == 0) .OR. imois /= ntrc1(jn) ) THEN |
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[335] | 127 | nlectr(jn) = 1 |
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[268] | 128 | |
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[335] | 129 | ! Calendar computation |
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[268] | 130 | |
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[335] | 131 | ! ntrc1 number of the first file record used in the simulation |
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| 132 | ! ntrc2 number of the last file record |
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[268] | 133 | |
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[335] | 134 | ntrc1(jn) = imois |
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| 135 | ntrc2(jn) = ntrc1(jn) + 1 |
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| 136 | ntrc1(jn) = MOD( ntrc1(jn), iman ) |
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| 137 | IF ( ntrc1(jn) == 0 ) ntrc1(jn) = iman |
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| 138 | ntrc2(jn) = MOD( ntrc2(jn), iman ) |
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| 139 | IF ( ntrc2(jn) == 0 ) ntrc2(jn) = iman |
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| 140 | IF(lwp) WRITE(numout,*) 'first record file used ntrc1 ', ntrc1(jn) |
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| 141 | IF(lwp) WRITE(numout,*) 'last record file used ntrc2 ', ntrc2(jn) |
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[268] | 142 | |
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[335] | 143 | ! Read montly passive tracer data Levitus |
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[268] | 144 | |
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[493] | 145 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), tracdta(:,:,:,jn,1), ntrc1(jn) ) |
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| 146 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), tracdta(:,:,:,jn,2), ntrc2(jn) ) |
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[268] | 147 | |
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[335] | 148 | IF(lwp) THEN |
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| 149 | WRITE(numout,*) |
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| 150 | WRITE(numout,*) ' read tracer data ', ctrcnm(jn),' ok' |
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| 151 | WRITE(numout,*) |
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| 152 | ENDIF |
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[268] | 153 | |
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[335] | 154 | ! Apply Mask |
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| 155 | DO jl = 1, 2 |
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| 156 | tracdta(:,:,: ,jn,jl) = tracdta(:,:,:,jn,jl) * tmask(:,:,:) |
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| 157 | tracdta(:,:,jpk,jn,jl) = 0. |
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[493] | 158 | IF( ln_zps ) THEN ! z-coord. with partial steps |
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[335] | 159 | DO jj = 1, jpj ! interpolation of temperature at the last level |
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| 160 | DO ji = 1, jpi |
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| 161 | ik = mbathy(ji,jj) - 1 |
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| 162 | IF( ik > 2 ) THEN |
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| 163 | zl = ( gdept(ik) - fsdept(ji,jj,ik) ) / ( gdept(ik) - gdept(ik-1) ) |
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| 164 | tracdta(ji,jj,ik,jn,jl) = (1.-zl) * tracdta(ji,jj,ik,jn,jl) + zl * tracdta(ji,jj,ik-1,jn,jl) |
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| 165 | ENDIF |
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| 166 | END DO |
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| 167 | END DO |
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| 168 | ENDIF |
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[268] | 169 | |
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| 170 | END DO |
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[335] | 171 | |
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[268] | 172 | ENDIF |
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| 173 | |
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[335] | 174 | IF(lwp) THEN |
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| 175 | WRITE(numout,*) ctrcnm(jn), 'Levitus month ', ntrc1(jn), & |
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| 176 | ntrc2(jn) |
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| 177 | WRITE(numout,*) |
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| 178 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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[268] | 179 | ' level = 1' |
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[335] | 180 | CALL prihre( tracdta(1,1,1,jn,1), jpi, jpj, 1, jpi, 20, 1 & |
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[268] | 181 | ,jpj, 20, 1., numout ) |
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[335] | 182 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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[268] | 183 | ' level = ',jpk/2 |
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[335] | 184 | CALL prihre( tracdta(1,1,jpk/2,jn,1), jpi, jpj, 1, jpi, & |
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[268] | 185 | 20, 1, jpj, 20, 1., numout ) |
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[335] | 186 | WRITE(numout,*) ' Levitus month = ',ntrc1(jn) & |
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[268] | 187 | ,' level = ',jpkm1 |
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[335] | 188 | CALL prihre( tracdta(1,1,jpkm1,jn,1), jpi, jpj, 1, jpi, & |
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[268] | 189 | 20, 1, jpj, 20, 1., numout ) |
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[335] | 190 | ENDIF |
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[268] | 191 | |
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[335] | 192 | ! At every time step compute temperature data |
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[268] | 193 | |
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[335] | 194 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30. |
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| 195 | trdta(:,:,:,jn)= ( 1. - zxy ) * tracdta(:,:,:,jn,1) & |
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| 196 | + zxy * tracdta(:,:,:,jn,2) |
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[268] | 197 | |
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[335] | 198 | IF( jn == jpno3) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 7.6E-6 |
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| 199 | IF( jn == jpdic) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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| 200 | IF( jn == jptal) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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| 201 | IF( jn == jpoxy) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 44.6E-6 |
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| 202 | IF( jn == jpsil) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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[376] | 203 | IF( jn == jppo4) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 122.E-6 |
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[493] | 204 | |
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| 205 | ! Close the file |
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| 206 | ! -------------- |
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| 207 | |
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| 208 | IF( kt == nitend ) CALL iom_close ( numtr(jn) ) |
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| 209 | |
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[433] | 210 | #else |
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| 211 | ! Read init file only |
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[493] | 212 | IF( kt == nittrc000 ) THEN |
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| 213 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), trdta(:,:,:,jn), ntrc1(jn) ) |
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| 214 | trdta(:,:,:,jn) = trdta(:,:,:,jn) * tmask(:,:,:) |
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| 215 | CALL iom_close ( numtr(jn) ) |
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[433] | 216 | ENDIF |
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| 217 | #endif |
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[268] | 218 | |
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[433] | 219 | ENDIF |
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[268] | 220 | |
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[433] | 221 | END DO |
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[335] | 222 | |
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[268] | 223 | END SUBROUTINE dta_trc |
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| 224 | |
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| 225 | #else |
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| 226 | |
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| 227 | !!---------------------------------------------------------------------- |
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| 228 | !! Default case NO 3D passive tracer data field |
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| 229 | !!---------------------------------------------------------------------- |
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| 230 | CONTAINS |
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| 231 | SUBROUTINE dta_trc( kt ) ! Empty routine |
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| 232 | WRITE(*,*) 'dta_trc: You should not have seen this print! error?', kt |
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| 233 | END SUBROUTINE dta_trc |
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| 234 | |
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| 235 | #endif |
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| 236 | |
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| 237 | END MODULE trcdta |
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