[8534] | 1 | MODULE icedyn_adv |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icedyn_adv *** |
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| 4 | !! ESIM : sea-ice advection |
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| 5 | !!====================================================================== |
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| 6 | !! History : LIM-2 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
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| 7 | !! 3.0 ! 2005-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
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| 8 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_lim3 |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! 'key_lim3' ESIM sea-ice model |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! ice_dyn_adv : advection of sea ice variables |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE phycst ! physical constant |
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| 17 | USE dom_oce ! ocean domain |
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| 18 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
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| 19 | USE ice ! sea-ice: variables |
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| 20 | USE icevar ! sea-ice: operations |
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| 21 | USE icedyn_adv_pra ! sea-ice: advection scheme (Prather) |
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| 22 | USE icedyn_adv_umx ! sea-ice: advection scheme (ultimate-macho) |
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| 23 | USE icectl ! sea-ice: control prints |
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| 24 | ! |
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| 25 | USE in_out_manager ! I/O manager |
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| 26 | USE iom ! I/O manager library |
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| 27 | USE lib_mpp ! MPP library |
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| 28 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 29 | USE timing ! Timing |
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| 30 | USE prtctl ! Print control |
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| 31 | |
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| 32 | IMPLICIT NONE |
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| 33 | PRIVATE |
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| 34 | |
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| 35 | PUBLIC ice_dyn_adv ! called by icestp |
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| 36 | PUBLIC ice_dyn_adv_init ! called by icedyn |
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| 37 | |
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| 38 | INTEGER :: nice_adv ! choice of the type of advection scheme |
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| 39 | ! ! associated indices: |
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| 40 | INTEGER, PARAMETER :: np_advPRA = 1 ! Prather scheme |
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| 41 | INTEGER, PARAMETER :: np_advUMx = 2 ! Ultimate-Macho scheme |
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| 42 | ! |
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| 43 | ! ** namelist (namdyn_adv) ** |
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| 44 | LOGICAL :: ln_adv_Pra ! Prather advection scheme |
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| 45 | LOGICAL :: ln_adv_UMx ! Ultimate-Macho advection scheme |
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| 46 | INTEGER :: nn_UMx ! order of the UMx advection scheme |
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| 47 | ! |
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| 48 | !! * Substitution |
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| 49 | # include "vectopt_loop_substitute.h90" |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | !! NEMO/ICE 4.0 , NEMO Consortium (2017) |
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| 52 | !! $Id: icedyn_adv.F90 8373 2017-07-25 17:44:54Z clem $ |
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| 53 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | CONTAINS |
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| 56 | |
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| 57 | SUBROUTINE ice_dyn_adv( kt ) |
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| 58 | !!---------------------------------------------------------------------- |
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| 59 | !! *** ROUTINE ice_dyn_adv *** |
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| 60 | !! |
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| 61 | !! ** purpose : advection of sea ice |
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| 62 | !! |
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| 63 | !! ** method : One can choose between |
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| 64 | !! a) an Ultimate-Macho scheme (with order defined by nn_UMx) => ln_adv_UMx |
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| 65 | !! b) and a second order Prather scheme => ln_adv_Pra |
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| 66 | !! |
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| 67 | !! ** action : |
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| 68 | !!---------------------------------------------------------------------- |
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| 69 | INTEGER, INTENT(in) :: kt ! number of iteration |
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| 70 | !!--------------------------------------------------------------------- |
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| 71 | ! |
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| 72 | IF( nn_timing == 1 ) CALL timing_start('icedyn_adv') |
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| 73 | ! |
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| 74 | IF( kt == nit000 .AND. lwp ) THEN |
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| 75 | WRITE(numout,*) |
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| 76 | WRITE(numout,*) 'ice_dyn_adv: sea-ice advection' |
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| 77 | WRITE(numout,*) '~~~~~~~~~~~' |
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| 78 | ENDIF |
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| 79 | |
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| 80 | ! conservation test |
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| 81 | IF( ln_icediachk ) CALL ice_cons_hsm(0, 'icedyn_adv', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) |
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| 82 | |
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| 83 | !---------- |
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| 84 | ! Advection |
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| 85 | !---------- |
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| 86 | SELECT CASE( nice_adv ) |
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| 87 | ! !-----------------------! |
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| 88 | CASE( np_advUMx ) ! ULTIMATE-MACHO scheme ! |
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| 89 | ! !-----------------------! |
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| 90 | CALL ice_dyn_adv_umx( nn_UMx, kt, u_ice, v_ice, & |
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| 91 | & ato_i, v_i, v_s, smv_i, oa_i, a_i, a_ip, v_ip, e_s, e_i ) |
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| 92 | ! !-----------------------! |
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| 93 | CASE( np_advPRA ) ! PRATHER scheme ! |
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| 94 | ! !-----------------------! |
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| 95 | CALL ice_dyn_adv_pra( kt, u_ice, v_ice, & |
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| 96 | & ato_i, v_i, v_s, smv_i, oa_i, a_i, a_ip, v_ip, e_s, e_i ) |
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| 97 | END SELECT |
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| 98 | |
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| 99 | !------------ |
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| 100 | ! diagnostics |
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| 101 | !------------ |
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| 102 | diag_trp_ei (:,:) = SUM(SUM( e_i (:,:,1:nlay_i,:) - e_i_b (:,:,1:nlay_i,:), dim=4 ), dim=3 ) * r1_rdtice |
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| 103 | diag_trp_es (:,:) = SUM(SUM( e_s (:,:,1:nlay_s,:) - e_s_b (:,:,1:nlay_s,:), dim=4 ), dim=3 ) * r1_rdtice |
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| 104 | diag_trp_smv(:,:) = SUM( smv_i(:,:,:) - smv_i_b(:,:,:) , dim=3 ) * r1_rdtice |
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| 105 | diag_trp_vi (:,:) = SUM( v_i (:,:,:) - v_i_b (:,:,:) , dim=3 ) * r1_rdtice |
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| 106 | diag_trp_vs (:,:) = SUM( v_s (:,:,:) - v_s_b (:,:,:) , dim=3 ) * r1_rdtice |
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| 107 | IF( iom_use('icetrp') ) CALL iom_put( "icetrp" , diag_trp_vi * rday ) ! ice volume transport |
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| 108 | IF( iom_use('snwtrp') ) CALL iom_put( "snwtrp" , diag_trp_vs * rday ) ! snw volume transport |
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| 109 | IF( iom_use('saltrp') ) CALL iom_put( "saltrp" , diag_trp_smv * rday * rhoic ) ! salt content transport |
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| 110 | IF( iom_use('deitrp') ) CALL iom_put( "deitrp" , diag_trp_ei ) ! advected ice enthalpy (W/m2) |
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| 111 | IF( iom_use('destrp') ) CALL iom_put( "destrp" , diag_trp_es ) ! advected snw enthalpy (W/m2) |
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| 112 | |
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| 113 | IF( lrst_ice ) THEN !* write Prather fields in the restart file |
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| 114 | IF( ln_adv_Pra ) CALL adv_pra_rst( 'WRITE', kt ) |
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| 115 | ENDIF |
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| 116 | |
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| 117 | ! controls |
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| 118 | IF( ln_icediachk ) CALL ice_cons_hsm(1, 'icedyn_adv', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) ! conservation |
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| 119 | IF( ln_icectl ) CALL ice_prt (kt, iiceprt, jiceprt,-1, ' - ice dyn & trp - ') ! prints |
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| 120 | IF( nn_timing == 1 ) CALL timing_stop ('icedyn_adv') ! timing |
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| 121 | ! |
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| 122 | END SUBROUTINE ice_dyn_adv |
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| 123 | |
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| 124 | |
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| 125 | SUBROUTINE ice_dyn_adv_init |
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| 126 | !!------------------------------------------------------------------- |
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| 127 | !! *** ROUTINE ice_dyn_adv_init *** |
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| 128 | !! |
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| 129 | !! ** Purpose : Physical constants and parameters linked to the ice |
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| 130 | !! dynamics |
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| 131 | !! |
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| 132 | !! ** Method : Read the namdyn_adv namelist and check the ice-dynamic |
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| 133 | !! parameter values called at the first timestep (nit000) |
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| 134 | !! |
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| 135 | !! ** input : Namelist namdyn_adv |
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| 136 | !!------------------------------------------------------------------- |
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| 137 | INTEGER :: ios, ioptio ! Local integer output status for namelist read |
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| 138 | !! |
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| 139 | NAMELIST/namdyn_adv/ ln_adv_Pra, ln_adv_UMx, nn_UMx |
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| 140 | !!------------------------------------------------------------------- |
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| 141 | ! |
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| 142 | REWIND( numnam_ice_ref ) ! Namelist namdyn_adv in reference namelist : Ice dynamics |
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| 143 | READ ( numnam_ice_ref, namdyn_adv, IOSTAT = ios, ERR = 901) |
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| 144 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_adv in reference namelist', lwp ) |
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| 145 | ! |
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| 146 | REWIND( numnam_ice_cfg ) ! Namelist namdyn_adv in configuration namelist : Ice dynamics |
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| 147 | READ ( numnam_ice_cfg, namdyn_adv, IOSTAT = ios, ERR = 902 ) |
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| 148 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_adv in configuration namelist', lwp ) |
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| 149 | IF(lwm) WRITE ( numoni, namdyn_adv ) |
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| 150 | ! |
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| 151 | IF(lwp) THEN ! control print |
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| 152 | WRITE(numout,*) |
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| 153 | WRITE(numout,*) 'ice_dyn_adv_init: ice parameters for ice dynamics ' |
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| 154 | WRITE(numout,*) '~~~~~~~~~~~~~~~~' |
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| 155 | WRITE(numout,*) ' Namelist namdyn_adv:' |
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| 156 | WRITE(numout,*) ' type of advection scheme (Prather) ln_adv_Pra = ', ln_adv_Pra |
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| 157 | WRITE(numout,*) ' type of advection scheme (Ulimate-Macho) ln_adv_UMx = ', ln_adv_UMx |
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| 158 | WRITE(numout,*) ' order of the Ultimate-Macho scheme nn_UMx = ', nn_UMx |
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| 159 | ENDIF |
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| 160 | ! |
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| 161 | ! !== set the choice of ice advection ==! |
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| 162 | ioptio = 0 |
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| 163 | IF( ln_adv_Pra ) THEN ; ioptio = ioptio + 1 ; nice_adv = np_advPRA ; ENDIF |
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| 164 | IF( ln_adv_UMx ) THEN ; ioptio = ioptio + 1 ; nice_adv = np_advUMx ; ENDIF |
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| 165 | IF( ioptio /= 1 ) CALL ctl_stop( 'ice_dyn_adv_init: choose one and only one ice adv. scheme (ln_adv_Pra or ln_adv_UMx)' ) |
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| 166 | ! |
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| 167 | IF( ln_adv_Pra ) CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
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| 168 | ! |
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| 169 | END SUBROUTINE ice_dyn_adv_init |
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| 170 | |
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| 171 | #else |
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| 172 | !!---------------------------------------------------------------------- |
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| 173 | !! Default option Empty Module NO ESIM sea-ice model |
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| 174 | !!---------------------------------------------------------------------- |
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| 175 | #endif |
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| 176 | |
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| 177 | !!====================================================================== |
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| 178 | END MODULE icedyn_adv |
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| 179 | |
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