[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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[3294] | 21 | USE timing ! preformance summary |
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| 22 | USE wrk_nemo ! working arrays |
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[1756] | 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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[2528] | 27 | PUBLIC dia_ar5 ! routine called in step.F90 module |
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| 28 | PUBLIC dia_ar5_init ! routine called in opa.F90 module |
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[2715] | 29 | PUBLIC dia_ar5_alloc ! routine called in nemogcm.F90 module |
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[1756] | 30 | |
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| 31 | LOGICAL, PUBLIC, PARAMETER :: lk_diaar5 = .TRUE. ! coupled flag |
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| 32 | |
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[2528] | 33 | REAL(wp) :: vol0 ! ocean volume (interior domain) |
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| 34 | REAL(wp) :: area_tot ! total ocean surface (interior domain) |
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[2715] | 35 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: area ! cell surface (interior domain) |
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| 36 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: thick0 ! ocean thickness (interior domain) |
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| 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sn0 ! initial salinity |
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[1756] | 38 | |
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| 39 | !! * Substitutions |
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| 40 | # include "domzgr_substitute.h90" |
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| 41 | !!---------------------------------------------------------------------- |
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[2528] | 42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 43 | !! $Id$ |
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| 44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1756] | 45 | !!---------------------------------------------------------------------- |
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| 46 | CONTAINS |
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| 47 | |
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[2715] | 48 | FUNCTION dia_ar5_alloc() |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | !! *** ROUTINE dia_ar5_alloc *** |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | INTEGER :: dia_ar5_alloc |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | ! |
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| 55 | ALLOCATE( area(jpi,jpj), thick0(jpi,jpj) , sn0(jpi,jpj,jpk) , STAT=dia_ar5_alloc ) |
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| 56 | ! |
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| 57 | IF( lk_mpp ) CALL mpp_sum ( dia_ar5_alloc ) |
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| 58 | IF( dia_ar5_alloc /= 0 ) CALL ctl_warn('dia_ar5_alloc: failed to allocate arrays') |
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| 59 | ! |
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| 60 | END FUNCTION dia_ar5_alloc |
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| 61 | |
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| 62 | |
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[1756] | 63 | SUBROUTINE dia_ar5( kt ) |
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| 64 | !!---------------------------------------------------------------------- |
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| 65 | !! *** ROUTINE dia_ar5 *** |
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| 66 | !! |
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[2528] | 67 | !! ** Purpose : compute and output some AR5 diagnostics |
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[1756] | 68 | !!---------------------------------------------------------------------- |
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[2715] | 69 | ! |
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[1756] | 70 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[2715] | 71 | ! |
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[1756] | 72 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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| 73 | REAL(wp) :: zvolssh, zvol, zssh_steric, zztmp, zarho, ztemp, zsal, zmass |
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[3294] | 74 | ! |
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| 75 | REAL(wp), POINTER, DIMENSION(:,:) :: zarea_ssh , zbotpres ! 2D workspace |
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| 76 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zrhd , zrhop ! 3D workspace |
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| 77 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: ztsn ! 4D workspace |
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[1756] | 78 | !!-------------------------------------------------------------------- |
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[3294] | 79 | IF( nn_timing == 1 ) CALL timing_start('dia_ar5') |
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| 80 | |
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| 81 | CALL wrk_alloc( jpi , jpj , zarea_ssh , zbotpres ) |
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| 82 | CALL wrk_alloc( jpi , jpj , jpk , zrhd , zrhop ) |
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| 83 | CALL wrk_alloc( jpi , jpj , jpk , jpts , ztsn ) |
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[1756] | 84 | |
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| 85 | CALL iom_put( 'cellthc', fse3t(:,:,:) ) |
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| 86 | |
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| 87 | zarea_ssh(:,:) = area(:,:) * sshn(:,:) |
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| 88 | |
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| 89 | ! ! total volume of liquid seawater |
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| 90 | zvolssh = SUM( zarea_ssh(:,:) ) |
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| 91 | IF( lk_mpp ) CALL mpp_sum( zvolssh ) |
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| 92 | zvol = vol0 + zvolssh |
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| 93 | |
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| 94 | CALL iom_put( 'voltot', zvol ) |
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| 95 | CALL iom_put( 'sshtot', zvolssh / area_tot ) |
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| 96 | |
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[3294] | 97 | ! |
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| 98 | ztsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) ! thermosteric ssh |
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[2528] | 99 | ztsn(:,:,:,jp_sal) = sn0(:,:,:) |
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| 100 | CALL eos( ztsn, zrhd ) ! now in situ density using initial salinity |
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[1756] | 101 | ! |
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[2528] | 102 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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[1756] | 103 | DO jk = 1, jpkm1 |
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| 104 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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| 105 | END DO |
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[2528] | 106 | IF( .NOT.lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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[1756] | 107 | ! |
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| 108 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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| 109 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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| 110 | zssh_steric = - zarho / area_tot |
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| 111 | CALL iom_put( 'sshthster', zssh_steric ) |
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| 112 | |
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| 113 | ! ! steric sea surface height |
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[2528] | 114 | CALL eos( tsn, zrhd, zrhop ) ! now in situ and potential density |
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| 115 | zrhop(:,:,jpk) = 0._wp |
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[1756] | 116 | CALL iom_put( 'rhop', zrhop ) |
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| 117 | ! |
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[2528] | 118 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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[1756] | 119 | DO jk = 1, jpkm1 |
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| 120 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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| 121 | END DO |
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[2528] | 122 | IF( .NOT.lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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[1756] | 123 | ! |
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| 124 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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| 125 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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| 126 | zssh_steric = - zarho / area_tot |
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| 127 | CALL iom_put( 'sshsteric', zssh_steric ) |
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| 128 | |
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| 129 | ! ! ocean bottom pressure |
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[2528] | 130 | zztmp = rau0 * grav * 1.e-4_wp ! recover pressure from pressure anomaly and cover to dbar = 1.e4 Pa |
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[1756] | 131 | zbotpres(:,:) = zztmp * ( zbotpres(:,:) + sshn(:,:) + thick0(:,:) ) |
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| 132 | CALL iom_put( 'botpres', zbotpres ) |
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| 133 | |
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| 134 | ! ! Mean density anomalie, temperature and salinity |
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[2528] | 135 | ztemp = 0._wp |
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| 136 | zsal = 0._wp |
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[1756] | 137 | DO jk = 1, jpkm1 |
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| 138 | DO jj = 1, jpj |
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| 139 | DO ji = 1, jpi |
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| 140 | zztmp = area(ji,jj) * fse3t(ji,jj,jk) |
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[3294] | 141 | ztemp = ztemp + zztmp * tsn(ji,jj,jk,jp_tem) |
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| 142 | zsal = zsal + zztmp * tsn(ji,jj,jk,jp_sal) |
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[1756] | 143 | END DO |
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| 144 | END DO |
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| 145 | END DO |
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[2528] | 146 | IF( .NOT.lk_vvl ) THEN |
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[3294] | 147 | ztemp = ztemp + SUM( zarea_ssh(:,:) * tsn(:,:,1,jp_tem) ) |
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| 148 | zsal = zsal + SUM( zarea_ssh(:,:) * tsn(:,:,1,jp_sal) ) |
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[1756] | 149 | ENDIF |
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| 150 | IF( lk_mpp ) THEN |
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| 151 | CALL mpp_sum( ztemp ) |
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| 152 | CALL mpp_sum( zsal ) |
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| 153 | END IF |
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| 154 | ! |
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| 155 | zmass = rau0 * ( zarho + zvol ) ! total mass of liquid seawater |
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| 156 | ztemp = ztemp / zvol ! potential temperature in liquid seawater |
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| 157 | zsal = zsal / zvol ! Salinity of liquid seawater |
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| 158 | ! |
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| 159 | CALL iom_put( 'masstot', zmass ) |
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| 160 | CALL iom_put( 'temptot', ztemp ) |
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| 161 | CALL iom_put( 'saltot' , zsal ) |
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| 162 | ! |
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[3294] | 163 | CALL wrk_dealloc( jpi , jpj , zarea_ssh , zbotpres ) |
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| 164 | CALL wrk_dealloc( jpi , jpj , jpk , zrhd , zrhop ) |
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| 165 | CALL wrk_dealloc( jpi , jpj , jpk , jpts , ztsn ) |
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[2715] | 166 | ! |
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[3294] | 167 | IF( nn_timing == 1 ) CALL timing_stop('dia_ar5') |
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| 168 | ! |
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[1756] | 169 | END SUBROUTINE dia_ar5 |
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| 170 | |
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| 171 | |
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| 172 | SUBROUTINE dia_ar5_init |
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| 173 | !!---------------------------------------------------------------------- |
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| 174 | !! *** ROUTINE dia_ar5_init *** |
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| 175 | !! |
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[2528] | 176 | !! ** Purpose : initialization for AR5 diagnostic computation |
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[1756] | 177 | !!---------------------------------------------------------------------- |
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| 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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[3294] | 185 | IF( nn_timing == 1 ) CALL timing_start('dia_ar5_init') |
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| 186 | ! |
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| 187 | CALL wrk_alloc( jpi , jpj , jpk, jpts, zsaldta ) |
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[2715] | 188 | ! ! allocate dia_ar5 arrays |
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| 189 | IF( dia_ar5_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'dia_ar5_init : unable to allocate arrays' ) |
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| 190 | |
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[1756] | 191 | area(:,:) = e1t(:,:) * e2t(:,:) * tmask_i(:,:) |
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| 192 | |
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| 193 | area_tot = SUM( area(:,:) ) ; IF( lk_mpp ) CALL mpp_sum( area_tot ) |
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| 194 | |
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[2528] | 195 | vol0 = 0._wp |
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| 196 | thick0(:,:) = 0._wp |
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[1756] | 197 | DO jk = 1, jpkm1 |
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[1948] | 198 | vol0 = vol0 + SUM( area (:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) ) |
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| 199 | thick0(:,:) = thick0(:,:) + tmask_i(:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) |
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[1756] | 200 | END DO |
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[1948] | 201 | IF( lk_mpp ) CALL mpp_sum( vol0 ) |
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[1756] | 202 | |
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| 203 | CALL iom_open ( 'data_1m_salinity_nomask', inum ) |
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| 204 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,1), 1 ) |
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| 205 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,2), 12 ) |
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| 206 | CALL iom_close( inum ) |
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[2528] | 207 | sn0(:,:,:) = 0.5_wp * ( zsaldta(:,:,:,1) + zsaldta(:,:,:,2) ) |
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| 208 | sn0(:,:,:) = sn0(:,:,:) * tmask(:,:,:) |
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[1756] | 209 | IF( ln_zps ) THEN ! z-coord. partial steps |
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| 210 | DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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| 211 | DO ji = 1, jpi |
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[2528] | 212 | ik = mbkt(ji,jj) |
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| 213 | IF( ik > 1 ) THEN |
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[1756] | 214 | zztmp = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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[2528] | 215 | sn0(ji,jj,ik) = ( 1._wp - zztmp ) * sn0(ji,jj,ik) + zztmp * sn0(ji,jj,ik-1) |
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[1756] | 216 | ENDIF |
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| 217 | END DO |
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| 218 | END DO |
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| 219 | ENDIF |
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| 220 | ! |
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[3294] | 221 | CALL wrk_dealloc( jpi , jpj , jpk, jpts, zsaldta ) |
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[2715] | 222 | ! |
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[3294] | 223 | IF( nn_timing == 1 ) CALL timing_stop('dia_ar5_init') |
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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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