[268] | 1 | MODULE trcini |
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[945] | 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcini *** |
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| 4 | !! TOP : Manage the passive tracer initialization |
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| 5 | !!====================================================================== |
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[2715] | 6 | !! History : - ! 1991-03 (O. Marti) original code |
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| 7 | !! 1.0 ! 2005-03 (O. Aumont, A. El Moussaoui) F90 |
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| 8 | !! 2.0 ! 2005-10 (C. Ethe, G. Madec) revised architecture |
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| 9 | !! 4.0 ! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation |
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[274] | 10 | !!---------------------------------------------------------------------- |
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[1011] | 11 | #if defined key_top |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! 'key_top' TOP models |
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| 14 | !!---------------------------------------------------------------------- |
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[2715] | 15 | !! trc_init : Initialization for passive tracer |
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| 16 | !! top_alloc : allocate the TOP arrays |
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[1011] | 17 | !!---------------------------------------------------------------------- |
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[3294] | 18 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 19 | USE trc ! passive tracers common variables |
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| 20 | USE trcrst ! passive tracers restart |
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[2528] | 21 | USE trcnam ! Namelist read |
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[1254] | 22 | USE trcini_cfc ! CFC initialisation |
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| 23 | USE trcini_pisces ! PISCES initialisation |
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| 24 | USE trcini_c14b ! C14 bomb initialisation |
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| 25 | USE trcini_my_trc ! MY_TRC initialisation |
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[3294] | 26 | USE trcdta ! initialisation form files |
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| 27 | USE daymod ! calendar manager |
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[2528] | 28 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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[1011] | 29 | USE prtctl_trc ! Print control passive tracers (prt_ctl_trc_init routine) |
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[3294] | 30 | USE trcsub ! variables to substep passive tracers |
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[1011] | 31 | |
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[335] | 32 | IMPLICIT NONE |
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| 33 | PRIVATE |
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[1011] | 34 | |
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[2528] | 35 | PUBLIC trc_init ! called by opa |
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[268] | 36 | |
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[1011] | 37 | !! * Substitutions |
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| 38 | # include "domzgr_substitute.h90" |
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[2715] | 39 | !!---------------------------------------------------------------------- |
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| 40 | !! NEMO/TOP 4.0 , NEMO Consortium (2011) |
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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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| 43 | !!---------------------------------------------------------------------- |
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[335] | 44 | CONTAINS |
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[1011] | 45 | |
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[2528] | 46 | SUBROUTINE trc_init |
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[1011] | 47 | !!--------------------------------------------------------------------- |
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[2528] | 48 | !! *** ROUTINE trc_init *** |
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[335] | 49 | !! |
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[1011] | 50 | !! ** Purpose : Initialization of the passive tracer fields |
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| 51 | !! |
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| 52 | !! ** Method : - read namelist |
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| 53 | !! - control the consistancy |
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| 54 | !! - compute specific initialisations |
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| 55 | !! - set initial tracer fields (either read restart |
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| 56 | !! or read data or analytical formulation |
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| 57 | !!--------------------------------------------------------------------- |
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[3294] | 58 | INTEGER :: jk, jn, jl ! dummy loop indices |
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[1011] | 59 | CHARACTER (len=25) :: charout |
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[3294] | 60 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: ztrcdta ! 4D workspace |
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[1011] | 61 | !!--------------------------------------------------------------------- |
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[3294] | 62 | ! |
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| 63 | IF( nn_timing == 1 ) CALL timing_start('trc_init') |
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| 64 | ! |
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[945] | 65 | IF(lwp) WRITE(numout,*) |
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[2528] | 66 | IF(lwp) WRITE(numout,*) 'trc_init : initial set up of the passive tracers' |
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[945] | 67 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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[1011] | 68 | |
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[2715] | 69 | CALL top_alloc() ! allocate TOP arrays |
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| 70 | |
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[3653] | 71 | IF( ln_dm2dc .AND. lk_pisces ) & |
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| 72 | & CALL ctl_stop( ' The diurnal cycle is not compatible with PISCES ' ) |
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[1254] | 73 | |
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[3294] | 74 | IF( nn_cla == 1 ) & |
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| 75 | & CALL ctl_stop( ' Cross Land Advection not yet implemented with passive tracer ; nn_cla must be 0' ) |
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[1011] | 76 | |
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[2715] | 77 | CALL trc_nam ! read passive tracers namelists |
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[3294] | 78 | ! |
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| 79 | IF(lwp) WRITE(numout,*) |
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[2528] | 80 | IF( ln_rsttr ) THEN |
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[3294] | 81 | ! |
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| 82 | IF( lk_offline ) neuler = 1 ! Set time-step indicator at nit000 (leap-frog) |
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| 83 | CALL trc_rst_cal( nittrc000, 'READ' ) ! calendar |
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| 84 | ! |
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[2528] | 85 | ELSE |
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[3294] | 86 | IF( lk_offline ) THEN |
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| 87 | neuler = 0 ! Set time-step indicator at nit000 (euler) |
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| 88 | CALL day_init ! set calendar |
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| 89 | ENDIF |
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| 90 | ! |
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[2528] | 91 | ENDIF |
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[3294] | 92 | IF(lwp) WRITE(numout,*) |
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| 93 | ! masked grid volume |
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| 94 | ! ! masked grid volume |
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| 95 | DO jk = 1, jpk |
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| 96 | cvol(:,:,jk) = e1e2t(:,:) * fse3t(:,:,jk) * tmask(:,:,jk) |
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| 97 | END DO |
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| 98 | IF( lk_degrad ) cvol(:,:,:) = cvol(:,:,:) * facvol(:,:,:) ! degrad option: reduction by facvol |
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| 99 | ! ! total volume of the ocean |
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| 100 | areatot = glob_sum( cvol(:,:,:) ) |
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[1011] | 101 | |
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[3294] | 102 | IF( lk_pisces ) CALL trc_ini_pisces ! PISCES bio-model |
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| 103 | IF( lk_cfc ) CALL trc_ini_cfc ! CFC tracers |
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| 104 | IF( lk_c14b ) CALL trc_ini_c14b ! C14 bomb tracer |
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| 105 | IF( lk_my_trc ) CALL trc_ini_my_trc ! MY_TRC tracers |
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[2528] | 106 | |
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[3294] | 107 | IF( lwp ) THEN |
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| 108 | ! |
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| 109 | CALL ctl_opn( numstr, 'tracer.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) |
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| 110 | ! |
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[945] | 111 | ENDIF |
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[1254] | 112 | |
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[3294] | 113 | IF( ln_trcdta ) CALL trc_dta_init |
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[1011] | 114 | |
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[3294] | 115 | |
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[2528] | 116 | IF( ln_rsttr ) THEN |
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| 117 | ! |
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| 118 | CALL trc_rst_read ! restart from a file |
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| 119 | ! |
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[1011] | 120 | ELSE |
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[3294] | 121 | ! |
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| 122 | IF( ln_trcdta .AND. nb_trcdta > 0 ) THEN ! Initialisation of tracer from a file that may also be used for damping |
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| 123 | ! |
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| 124 | CALL wrk_alloc( jpi, jpj, jpk, nb_trcdta, ztrcdta ) ! Memory allocation |
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| 125 | ! |
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| 126 | CALL trc_dta( nit000, ztrcdta ) ! read tracer data at nit000 |
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| 127 | ! |
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| 128 | DO jn = 1, jptra |
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| 129 | IF( ln_trc_ini(jn) ) THEN ! update passive tracers arrays with input data read from file |
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| 130 | jl = n_trc_index(jn) |
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| 131 | trn(:,:,:,jn) = ztrcdta(:,:,:,jl) * tmask(:,:,:) |
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| 132 | ENDIF |
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| 133 | ENDDO |
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| 134 | CALL wrk_dealloc( jpi, jpj, jpk, nb_trcdta, ztrcdta ) |
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[2528] | 135 | ENDIF |
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[3294] | 136 | ! |
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[2528] | 137 | trb(:,:,:,:) = trn(:,:,:,:) |
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| 138 | ! |
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[1011] | 139 | ENDIF |
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[2528] | 140 | |
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[2715] | 141 | tra(:,:,:,:) = 0._wp |
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[1286] | 142 | |
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[2528] | 143 | IF( ln_zps .AND. .NOT. lk_c1d ) & ! Partial steps: before horizontal gradient of passive |
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[2715] | 144 | & CALL zps_hde( nit000, jptra, trn, gtru, gtrv ) ! tracers at the bottom ocean level |
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[1177] | 145 | |
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[3294] | 146 | ! |
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| 147 | IF( nn_dttrc /= 1 ) CALL trc_sub_ini ! Initialize variables for substepping passive tracers |
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| 148 | ! |
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[1286] | 149 | |
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[3294] | 150 | trai(:) = 0._wp ! initial content of all tracers |
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[1011] | 151 | DO jn = 1, jptra |
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[3294] | 152 | trai(jn) = trai(jn) + glob_sum( trn(:,:,:,jn) * cvol(:,:,:) ) |
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| 153 | END DO |
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[1011] | 154 | |
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[2715] | 155 | IF(lwp) THEN ! control print |
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| 156 | WRITE(numout,*) |
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| 157 | WRITE(numout,*) |
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| 158 | WRITE(numout,*) ' *** Total number of passive tracer jptra = ', jptra |
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| 159 | WRITE(numout,*) ' *** Total volume of ocean = ', areatot |
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[3294] | 160 | WRITE(numout,*) ' *** Total inital content of all tracers ' |
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[2715] | 161 | WRITE(numout,*) |
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[3294] | 162 | DO jn = 1, jptra |
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| 163 | WRITE(numout,9000) jn, TRIM( ctrcnm(jn) ), trai(jn) |
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| 164 | ENDDO |
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| 165 | WRITE(numout,*) |
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[2715] | 166 | ENDIF |
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[3294] | 167 | IF(lwp) WRITE(numout,*) |
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[2715] | 168 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 169 | CALL prt_ctl_trc_init |
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[1011] | 170 | WRITE(charout, FMT="('ini ')") |
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| 171 | CALL prt_ctl_trc_info( charout ) |
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| 172 | CALL prt_ctl_trc( tab4d=trn, mask=tmask, clinfo=ctrcnm ) |
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| 173 | ENDIF |
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[3294] | 174 | 9000 FORMAT(' tracer nb : ',i2,' name :',a10,' initial content :',e18.10) |
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[2715] | 175 | ! |
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[3294] | 176 | IF( nn_timing == 1 ) CALL timing_stop('trc_init') |
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| 177 | ! |
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[2528] | 178 | END SUBROUTINE trc_init |
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[268] | 179 | |
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[2715] | 180 | |
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| 181 | SUBROUTINE top_alloc |
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| 182 | !!---------------------------------------------------------------------- |
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| 183 | !! *** ROUTINE top_alloc *** |
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| 184 | !! |
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| 185 | !! ** Purpose : Allocate all the dynamic arrays of the OPA modules |
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| 186 | !!---------------------------------------------------------------------- |
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| 187 | USE trcadv , ONLY: trc_adv_alloc ! TOP-related alloc routines... |
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| 188 | USE trc , ONLY: trc_alloc |
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| 189 | USE trcnxt , ONLY: trc_nxt_alloc |
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| 190 | USE trczdf , ONLY: trc_zdf_alloc |
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| 191 | USE trdmod_trc_oce, ONLY: trd_mod_trc_oce_alloc |
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[3294] | 192 | #if defined key_trdmld_trc |
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[2715] | 193 | USE trdmld_trc , ONLY: trd_mld_trc_alloc |
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| 194 | #endif |
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| 195 | ! |
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| 196 | INTEGER :: ierr |
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| 197 | !!---------------------------------------------------------------------- |
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| 198 | ! |
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| 199 | ierr = trc_adv_alloc() ! Start of TOP-related alloc routines... |
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| 200 | ierr = ierr + trc_alloc () |
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| 201 | ierr = ierr + trc_nxt_alloc() |
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| 202 | ierr = ierr + trc_zdf_alloc() |
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| 203 | ierr = ierr + trd_mod_trc_oce_alloc() |
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[3294] | 204 | #if defined key_trdmld_trc |
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[2715] | 205 | ierr = ierr + trd_mld_trc_alloc() |
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| 206 | #endif |
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| 207 | ! |
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| 208 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
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| 209 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'top_alloc : unable to allocate standard ocean arrays' ) |
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| 210 | ! |
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| 211 | END SUBROUTINE top_alloc |
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| 212 | |
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[1011] | 213 | #else |
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| 214 | !!---------------------------------------------------------------------- |
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| 215 | !! Empty module : No passive tracer |
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| 216 | !!---------------------------------------------------------------------- |
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| 217 | CONTAINS |
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[2528] | 218 | SUBROUTINE trc_init ! Dummy routine |
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| 219 | END SUBROUTINE trc_init |
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[1011] | 220 | #endif |
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| 221 | |
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[335] | 222 | !!====================================================================== |
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[268] | 223 | END MODULE trcini |
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