[1756] | 1 | MODULE diaar5 |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE diaar5 *** |
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| 4 | !! AR5 diagnostics |
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| 5 | !!====================================================================== |
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[2528] | 6 | !! History : 3.2 ! 2009-11 (S. Masson) Original code |
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| 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA |
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[1756] | 8 | !!---------------------------------------------------------------------- |
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[2715] | 9 | #if defined key_diaar5 || defined key_esopa |
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[1756] | 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_diaar5' : activate ar5 diagnotics |
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| 12 | !!---------------------------------------------------------------------- |
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[2528] | 13 | !! dia_ar5 : AR5 diagnostics |
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| 14 | !! dia_ar5_init : initialisation of AR5 diagnostics |
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[1756] | 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce ! ocean dynamics and active tracers |
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| 17 | USE dom_oce ! ocean space and time domain |
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[2528] | 18 | USE eosbn2 ! equation of state (eos_bn2 routine) |
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[1756] | 19 | USE lib_mpp ! distribued memory computing library |
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| 20 | USE iom ! I/O manager library |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | PRIVATE |
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| 24 | |
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[2528] | 25 | PUBLIC dia_ar5 ! routine called in step.F90 module |
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| 26 | PUBLIC dia_ar5_init ! routine called in opa.F90 module |
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[2715] | 27 | PUBLIC dia_ar5_alloc ! routine called in nemogcm.F90 module |
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[1756] | 28 | |
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| 29 | LOGICAL, PUBLIC, PARAMETER :: lk_diaar5 = .TRUE. ! coupled flag |
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| 30 | |
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[2528] | 31 | REAL(wp) :: vol0 ! ocean volume (interior domain) |
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| 32 | REAL(wp) :: area_tot ! total ocean surface (interior domain) |
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[2715] | 33 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: area ! cell surface (interior domain) |
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| 34 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: thick0 ! ocean thickness (interior domain) |
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| 35 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sn0 ! initial salinity |
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[1756] | 36 | |
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| 37 | !! * Substitutions |
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| 38 | # include "domzgr_substitute.h90" |
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| 39 | !!---------------------------------------------------------------------- |
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[2528] | 40 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 41 | !! $Id$ |
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| 42 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1756] | 43 | !!---------------------------------------------------------------------- |
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| 44 | CONTAINS |
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| 45 | |
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[2715] | 46 | FUNCTION dia_ar5_alloc() |
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| 47 | !!---------------------------------------------------------------------- |
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| 48 | !! *** ROUTINE dia_ar5_alloc *** |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | INTEGER :: dia_ar5_alloc |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | ! |
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| 53 | ALLOCATE( area(jpi,jpj), thick0(jpi,jpj) , sn0(jpi,jpj,jpk) , STAT=dia_ar5_alloc ) |
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| 54 | ! |
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| 55 | IF( lk_mpp ) CALL mpp_sum ( dia_ar5_alloc ) |
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| 56 | IF( dia_ar5_alloc /= 0 ) CALL ctl_warn('dia_ar5_alloc: failed to allocate arrays') |
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| 57 | ! |
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| 58 | END FUNCTION dia_ar5_alloc |
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| 59 | |
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| 60 | |
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[1756] | 61 | SUBROUTINE dia_ar5( kt ) |
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| 62 | !!---------------------------------------------------------------------- |
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| 63 | !! *** ROUTINE dia_ar5 *** |
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| 64 | !! |
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[2528] | 65 | !! ** Purpose : compute and output some AR5 diagnostics |
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[1756] | 66 | !!---------------------------------------------------------------------- |
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[2715] | 67 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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| 68 | USE wrk_nemo, ONLY: zarea_ssh => wrk_2d_1 , zbotpres => wrk_2d_2 ! 2D workspace |
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| 69 | USE wrk_nemo, ONLY: zrhd => wrk_3d_1 , zrhop => wrk_3d_2 ! 3D - |
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| 70 | USE wrk_nemo, ONLY: ztsn => wrk_4d_1 ! 4D - |
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| 71 | ! |
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[1756] | 72 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[2715] | 73 | ! |
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[1756] | 74 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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| 75 | REAL(wp) :: zvolssh, zvol, zssh_steric, zztmp, zarho, ztemp, zsal, zmass |
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| 76 | !!-------------------------------------------------------------------- |
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| 77 | |
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[2715] | 78 | IF( wrk_in_use(2, 1,2) .OR. & |
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| 79 | wrk_in_use(3, 1,2) .OR. & |
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| 80 | wrk_in_use(4, 1) ) THEN |
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| 81 | CALL ctl_stop('dia_ar5: requested workspace arrays unavailable') ; RETURN |
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| 82 | ENDIF |
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| 83 | |
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[1756] | 84 | CALL iom_put( 'cellthc', fse3t(:,:,:) ) |
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| 85 | |
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| 86 | zarea_ssh(:,:) = area(:,:) * sshn(:,:) |
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| 87 | |
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| 88 | ! ! total volume of liquid seawater |
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| 89 | zvolssh = SUM( zarea_ssh(:,:) ) |
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| 90 | IF( lk_mpp ) CALL mpp_sum( zvolssh ) |
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| 91 | zvol = vol0 + zvolssh |
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| 92 | |
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| 93 | CALL iom_put( 'voltot', zvol ) |
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| 94 | CALL iom_put( 'sshtot', zvolssh / area_tot ) |
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| 95 | |
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| 96 | ! ! thermosteric ssh |
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[2528] | 97 | ztsn(:,:,:,jp_tem) = tn (:,:,:) |
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| 98 | ztsn(:,:,:,jp_sal) = sn0(:,:,:) |
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| 99 | CALL eos( ztsn, zrhd ) ! now in situ density using initial salinity |
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[1756] | 100 | ! |
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[2528] | 101 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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[1756] | 102 | DO jk = 1, jpkm1 |
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| 103 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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| 104 | END DO |
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[2528] | 105 | IF( .NOT.lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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[1756] | 106 | ! |
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| 107 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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| 108 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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| 109 | zssh_steric = - zarho / area_tot |
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| 110 | CALL iom_put( 'sshthster', zssh_steric ) |
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| 111 | |
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| 112 | ! ! steric sea surface height |
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[2528] | 113 | CALL eos( tsn, zrhd, zrhop ) ! now in situ and potential density |
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| 114 | zrhop(:,:,jpk) = 0._wp |
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[1756] | 115 | CALL iom_put( 'rhop', zrhop ) |
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| 116 | ! |
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[2528] | 117 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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[1756] | 118 | DO jk = 1, jpkm1 |
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| 119 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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| 120 | END DO |
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[2528] | 121 | IF( .NOT.lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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[1756] | 122 | ! |
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| 123 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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| 124 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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| 125 | zssh_steric = - zarho / area_tot |
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| 126 | CALL iom_put( 'sshsteric', zssh_steric ) |
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| 127 | |
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| 128 | ! ! ocean bottom pressure |
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[2528] | 129 | zztmp = rau0 * grav * 1.e-4_wp ! recover pressure from pressure anomaly and cover to dbar = 1.e4 Pa |
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[1756] | 130 | zbotpres(:,:) = zztmp * ( zbotpres(:,:) + sshn(:,:) + thick0(:,:) ) |
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| 131 | CALL iom_put( 'botpres', zbotpres ) |
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| 132 | |
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| 133 | ! ! Mean density anomalie, temperature and salinity |
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[2528] | 134 | ztemp = 0._wp |
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| 135 | zsal = 0._wp |
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[1756] | 136 | DO jk = 1, jpkm1 |
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| 137 | DO jj = 1, jpj |
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| 138 | DO ji = 1, jpi |
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| 139 | zztmp = area(ji,jj) * fse3t(ji,jj,jk) |
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[2528] | 140 | ztemp = ztemp + zztmp * tn(ji,jj,jk) |
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| 141 | zsal = zsal + zztmp * sn(ji,jj,jk) |
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[1756] | 142 | END DO |
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| 143 | END DO |
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| 144 | END DO |
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[2528] | 145 | IF( .NOT.lk_vvl ) THEN |
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| 146 | ztemp = ztemp + SUM( zarea_ssh(:,:) * tn(:,:,1) ) |
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| 147 | zsal = zsal + SUM( zarea_ssh(:,:) * sn(:,:,1) ) |
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[1756] | 148 | ENDIF |
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| 149 | IF( lk_mpp ) THEN |
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| 150 | CALL mpp_sum( ztemp ) |
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| 151 | CALL mpp_sum( zsal ) |
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| 152 | END IF |
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| 153 | ! |
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| 154 | zmass = rau0 * ( zarho + zvol ) ! total mass of liquid seawater |
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| 155 | ztemp = ztemp / zvol ! potential temperature in liquid seawater |
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| 156 | zsal = zsal / zvol ! Salinity of liquid seawater |
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| 157 | ! |
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| 158 | CALL iom_put( 'masstot', zmass ) |
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| 159 | CALL iom_put( 'temptot', ztemp ) |
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| 160 | CALL iom_put( 'saltot' , zsal ) |
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| 161 | ! |
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[2715] | 162 | IF( wrk_not_released(2, 1,2) .OR. & |
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| 163 | wrk_not_released(3, 1,2) .OR. & |
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| 164 | wrk_not_released(4, 1) ) CALL ctl_stop('dia_ar5: failed to release workspace arrays') |
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| 165 | ! |
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[1756] | 166 | END SUBROUTINE dia_ar5 |
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| 167 | |
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| 168 | |
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| 169 | SUBROUTINE dia_ar5_init |
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| 170 | !!---------------------------------------------------------------------- |
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| 171 | !! *** ROUTINE dia_ar5_init *** |
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| 172 | !! |
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[2528] | 173 | !! ** Purpose : initialization for AR5 diagnostic computation |
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[1756] | 174 | !!---------------------------------------------------------------------- |
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[2715] | 175 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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| 176 | USE wrk_nemo, ONLY: wrk_4d_1 ! 4D workspace |
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| 177 | ! |
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[1756] | 178 | INTEGER :: inum |
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| 179 | INTEGER :: ik |
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| 180 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 181 | REAL(wp) :: zztmp |
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[2715] | 182 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zsaldta ! Jan/Dec levitus salinity |
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[1756] | 183 | !!---------------------------------------------------------------------- |
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| 184 | ! |
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[2715] | 185 | IF(wrk_in_use(4, 1) ) THEN |
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| 186 | CALL ctl_stop('dia_ar5_init: requested workspace array unavailable.') ; RETURN |
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| 187 | ENDIF |
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| 188 | zsaldta => wrk_4d_1(:,:,:,1:2) |
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| 189 | |
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| 190 | ! ! allocate dia_ar5 arrays |
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| 191 | IF( dia_ar5_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'dia_ar5_init : unable to allocate arrays' ) |
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| 192 | |
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[1756] | 193 | area(:,:) = e1t(:,:) * e2t(:,:) * tmask_i(:,:) |
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| 194 | |
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| 195 | area_tot = SUM( area(:,:) ) ; IF( lk_mpp ) CALL mpp_sum( area_tot ) |
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| 196 | |
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[2528] | 197 | vol0 = 0._wp |
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| 198 | thick0(:,:) = 0._wp |
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[1756] | 199 | DO jk = 1, jpkm1 |
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[1948] | 200 | vol0 = vol0 + SUM( area (:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) ) |
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| 201 | thick0(:,:) = thick0(:,:) + tmask_i(:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) |
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[1756] | 202 | END DO |
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[1948] | 203 | IF( lk_mpp ) CALL mpp_sum( vol0 ) |
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[1756] | 204 | |
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| 205 | CALL iom_open ( 'data_1m_salinity_nomask', inum ) |
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| 206 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,1), 1 ) |
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| 207 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,2), 12 ) |
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| 208 | CALL iom_close( inum ) |
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[2528] | 209 | sn0(:,:,:) = 0.5_wp * ( zsaldta(:,:,:,1) + zsaldta(:,:,:,2) ) |
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| 210 | sn0(:,:,:) = sn0(:,:,:) * tmask(:,:,:) |
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[1756] | 211 | IF( ln_zps ) THEN ! z-coord. partial steps |
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| 212 | DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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| 213 | DO ji = 1, jpi |
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[2528] | 214 | ik = mbkt(ji,jj) |
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| 215 | IF( ik > 1 ) THEN |
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[1756] | 216 | zztmp = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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[2528] | 217 | sn0(ji,jj,ik) = ( 1._wp - zztmp ) * sn0(ji,jj,ik) + zztmp * sn0(ji,jj,ik-1) |
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[1756] | 218 | ENDIF |
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| 219 | END DO |
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| 220 | END DO |
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| 221 | ENDIF |
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| 222 | ! |
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[2715] | 223 | IF( wrk_not_released(4, 1) ) CALL ctl_stop('dia_ar5_init: failed to release workspace array') |
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| 224 | ! |
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[1756] | 225 | END SUBROUTINE dia_ar5_init |
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| 226 | |
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| 227 | #else |
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| 228 | !!---------------------------------------------------------------------- |
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| 229 | !! Default option : NO diaar5 |
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| 230 | !!---------------------------------------------------------------------- |
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| 231 | LOGICAL, PUBLIC, PARAMETER :: lk_diaar5 = .FALSE. ! coupled flag |
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| 232 | CONTAINS |
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[2528] | 233 | SUBROUTINE dia_ar5_init ! Dummy routine |
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| 234 | END SUBROUTINE dia_ar5_init |
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[1756] | 235 | SUBROUTINE dia_ar5( kt ) ! Empty routine |
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[2528] | 236 | INTEGER :: kt |
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[1756] | 237 | WRITE(*,*) 'dia_ar5: You should not have seen this print! error?', kt |
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| 238 | END SUBROUTINE dia_ar5 |
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| 239 | #endif |
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| 240 | |
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| 241 | !!====================================================================== |
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| 242 | END MODULE diaar5 |
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