[825] | 1 | MODULE limitd_th |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limitd_th *** |
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| 4 | !! Thermodynamics of ice thickness distribution |
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| 5 | !! computation of changes in g(h) |
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| 6 | !!====================================================================== |
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[2715] | 7 | !! History : - ! (W. H. Lipscomb and E.C. Hunke) CICE (c) original code |
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| 8 | !! 3.0 ! 2005-12 (M. Vancoppenolle) adaptation to LIM-3 |
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| 9 | !! - ! 2006-06 (M. Vancoppenolle) adaptation to include salt, age and types |
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| 10 | !! - ! 2007-04 (M. Vancoppenolle) Mass conservation checked |
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| 11 | !!---------------------------------------------------------------------- |
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[2528] | 12 | #if defined key_lim3 |
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[825] | 13 | !!---------------------------------------------------------------------- |
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[2528] | 14 | !! 'key_lim3' : LIM3 sea-ice model |
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| 15 | !!---------------------------------------------------------------------- |
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[2715] | 16 | !! lim_itd_th : thermodynamics of ice thickness distribution |
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| 17 | !! lim_itd_th_rem : |
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| 18 | !! lim_itd_th_reb : |
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| 19 | !! lim_itd_fitline : |
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| 20 | !! lim_itd_shiftice : |
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[2528] | 21 | !!---------------------------------------------------------------------- |
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[2715] | 22 | USE dom_ice ! LIM-3 domain |
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[825] | 23 | USE par_oce ! ocean parameters |
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[2715] | 24 | USE dom_oce ! ocean domain |
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[825] | 25 | USE phycst ! physical constants (ocean directory) |
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[2715] | 26 | USE thd_ice ! LIM-3 thermodynamic variables |
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| 27 | USE ice ! LIM-3 variables |
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| 28 | USE par_ice ! LIM-3 parameters |
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| 29 | USE limthd_lac ! LIM-3 lateral accretion |
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| 30 | USE limvar ! LIM-3 variables |
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| 31 | USE limcons ! LIM-3 conservation |
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[863] | 32 | USE prtctl ! Print control |
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[2715] | 33 | USE in_out_manager ! I/O manager |
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| 34 | USE lib_mpp ! MPP library |
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[3294] | 35 | USE wrk_nemo ! work arrays |
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[3938] | 36 | USE lib_fortran ! to use key_nosignedzero |
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[921] | 37 | |
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[825] | 38 | IMPLICIT NONE |
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| 39 | PRIVATE |
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| 40 | |
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[3294] | 41 | PUBLIC lim_itd_th ! called by ice_stp |
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[2715] | 42 | PUBLIC lim_itd_th_rem |
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| 43 | PUBLIC lim_itd_th_reb |
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| 44 | PUBLIC lim_itd_fitline |
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| 45 | PUBLIC lim_itd_shiftice |
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[825] | 46 | |
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[3938] | 47 | REAL(wp) :: epsi20 = 1.e-20_wp ! constant values |
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| 48 | REAL(wp) :: epsi13 = 1.e-13_wp ! |
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| 49 | REAL(wp) :: epsi10 = 1.e-10_wp ! |
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[825] | 50 | |
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| 51 | !!---------------------------------------------------------------------- |
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[2715] | 52 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2010) |
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[1156] | 53 | !! $Id$ |
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[2715] | 54 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[825] | 55 | !!---------------------------------------------------------------------- |
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| 56 | CONTAINS |
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| 57 | |
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[921] | 58 | SUBROUTINE lim_itd_th( kt ) |
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| 59 | !!------------------------------------------------------------------ |
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| 60 | !! *** ROUTINE lim_itd_th *** |
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| 61 | !! |
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[2715] | 62 | !! ** Purpose : computes the thermodynamics of ice thickness distribution |
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[921] | 63 | !! |
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[2715] | 64 | !! ** Method : |
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[921] | 65 | !!------------------------------------------------------------------ |
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[2715] | 66 | INTEGER, INTENT(in) :: kt ! time step index |
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| 67 | ! |
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| 68 | INTEGER :: jl, ja, jm, jbnd1, jbnd2 ! ice types dummy loop index |
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[3938] | 69 | REAL(wp) :: zchk_v_i, zchk_smv, zchk_fs, zchk_fw, zchk_v_i_b, zchk_smv_b, zchk_fs_b, zchk_fw_b ! Check conservation (C Rousset) |
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[3963] | 70 | REAL(wp) :: zchk_vmin, zchk_amin, zchk_amax ! Check errors (C Rousset) |
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[2715] | 71 | !!------------------------------------------------------------------ |
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[3938] | 72 | ! ------------------------------- |
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| 73 | !- check conservation (C Rousset) |
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| 74 | IF (ln_limdiahsb) THEN |
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| 75 | zchk_v_i_b = glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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| 76 | zchk_smv_b = glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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| 77 | zchk_fw_b = glob_sum( rdmicif(:,:) * area(:,:) * tms(:,:) ) |
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| 78 | zchk_fs_b = glob_sum( ( fsbri(:,:) + fseqv(:,:) + fsalt_res(:,:) + fsalt_rpo(:,:) ) * area(:,:) * tms(:,:) ) |
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| 79 | ENDIF |
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| 80 | !- check conservation (C Rousset) |
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| 81 | ! ------------------------------- |
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[825] | 82 | |
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[921] | 83 | IF( kt == nit000 .AND. lwp ) THEN |
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| 84 | WRITE(numout,*) |
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| 85 | WRITE(numout,*) 'lim_itd_th : Thermodynamics of the ice thickness distribution' |
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| 86 | WRITE(numout,*) '~~~~~~~~~~~' |
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| 87 | ENDIF |
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[825] | 88 | |
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[921] | 89 | !------------------------------------------------------------------------------| |
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| 90 | ! 1) Transport of ice between thickness categories. | |
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| 91 | !------------------------------------------------------------------------------| |
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[825] | 92 | ! Given thermodynamic growth rates, transport ice between |
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| 93 | ! thickness categories. |
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| 94 | DO jm = 1, jpm |
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| 95 | jbnd1 = ice_cat_bounds(jm,1) |
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| 96 | jbnd2 = ice_cat_bounds(jm,2) |
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[2715] | 97 | IF( ice_ncat_types(jm) > 1 ) CALL lim_itd_th_rem( jbnd1, jbnd2, jm, kt ) |
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[825] | 98 | END DO |
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[2715] | 99 | ! |
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| 100 | CALL lim_var_glo2eqv ! only for info |
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[825] | 101 | CALL lim_var_agg(1) |
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| 102 | |
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[921] | 103 | !------------------------------------------------------------------------------| |
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| 104 | ! 3) Add frazil ice growing in leads. |
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| 105 | !------------------------------------------------------------------------------| |
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[825] | 106 | |
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| 107 | CALL lim_thd_lac |
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[2715] | 108 | CALL lim_var_glo2eqv ! only for info |
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[825] | 109 | |
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[921] | 110 | !---------------------------------------------------------------------------------------- |
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| 111 | ! 4) Computation of trend terms and get back to old values |
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| 112 | !---------------------------------------------------------------------------------------- |
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[825] | 113 | |
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| 114 | !- Trend terms |
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| 115 | d_a_i_thd (:,:,:) = a_i(:,:,:) - old_a_i(:,:,:) |
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| 116 | d_v_s_thd (:,:,:) = v_s(:,:,:) - old_v_s(:,:,:) |
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| 117 | d_v_i_thd (:,:,:) = v_i(:,:,:) - old_v_i(:,:,:) |
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| 118 | d_e_s_thd(:,:,:,:) = e_s(:,:,:,:) - old_e_s(:,:,:,:) |
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| 119 | d_e_i_thd(:,:,:,:) = e_i(:,:,:,:) - old_e_i(:,:,:,:) |
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[3938] | 120 | !?? d_oa_i_thd(:,:,:) = oa_i (:,:,:) - old_oa_i (:,:,:) |
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[2715] | 121 | d_smv_i_thd(:,:,:) = 0._wp |
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| 122 | IF( num_sal == 2 .OR. num_sal == 4 ) d_smv_i_thd(:,:,:) = smv_i(:,:,:) - old_smv_i(:,:,:) |
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[825] | 123 | |
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[3938] | 124 | ! diag only (clem) |
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| 125 | dv_dt_thd(:,:,:) = d_v_i_thd(:,:,:) / rdt_ice * 86400.0 |
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| 126 | |
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[863] | 127 | IF(ln_ctl) THEN ! Control print |
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[867] | 128 | CALL prt_ctl_info(' ') |
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| 129 | CALL prt_ctl_info(' - Cell values : ') |
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| 130 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
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[863] | 131 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_itd_th : cell area :') |
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| 132 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_itd_th : at_i :') |
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| 133 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_itd_th : vt_i :') |
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| 134 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_itd_th : vt_s :') |
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| 135 | DO jl = 1, jpl |
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[867] | 136 | CALL prt_ctl_info(' ') |
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[863] | 137 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
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| 138 | CALL prt_ctl_info(' ~~~~~~~~~~') |
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| 139 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_itd_th : a_i : ') |
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| 140 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_itd_th : ht_i : ') |
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| 141 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_itd_th : ht_s : ') |
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| 142 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_itd_th : v_i : ') |
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| 143 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_itd_th : v_s : ') |
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| 144 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_itd_th : e_s : ') |
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| 145 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_itd_th : t_su : ') |
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| 146 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_itd_th : t_snow : ') |
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| 147 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_itd_th : sm_i : ') |
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| 148 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_itd_th : smv_i : ') |
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| 149 | DO ja = 1, nlay_i |
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[867] | 150 | CALL prt_ctl_info(' ') |
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[863] | 151 | CALL prt_ctl_info(' - Layer : ', ivar1=ja) |
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| 152 | CALL prt_ctl_info(' ~~~~~~~') |
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| 153 | CALL prt_ctl(tab2d_1=t_i(:,:,ja,jl) , clinfo1= ' lim_itd_th : t_i : ') |
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| 154 | CALL prt_ctl(tab2d_1=e_i(:,:,ja,jl) , clinfo1= ' lim_itd_th : e_i : ') |
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| 155 | END DO |
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| 156 | END DO |
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| 157 | ENDIF |
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[3938] | 158 | ! |
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| 159 | ! ------------------------------- |
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| 160 | !- check conservation (C Rousset) |
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| 161 | IF (ln_limdiahsb) THEN |
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| 162 | zchk_fs = glob_sum( ( fsbri(:,:) + fseqv(:,:) + fsalt_res(:,:) + fsalt_rpo(:,:) ) * area(:,:) * tms(:,:) ) - zchk_fs_b |
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| 163 | zchk_fw = glob_sum( rdmicif(:,:) * area(:,:) * tms(:,:) ) - zchk_fw_b |
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| 164 | |
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| 165 | zchk_v_i = ( glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_v_i_b - ( zchk_fw / rhoic ) ) / rdt_ice |
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| 166 | zchk_smv = ( glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_smv_b ) / rdt_ice + ( zchk_fs / rhoic ) |
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[921] | 167 | |
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[3963] | 168 | zchk_vmin = glob_min(v_i) |
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| 169 | zchk_amax = glob_max(SUM(a_i,dim=3)) |
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| 170 | zchk_amin = glob_min(a_i) |
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| 171 | |
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[3938] | 172 | IF(lwp) THEN |
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[3963] | 173 | IF ( ABS( zchk_v_i ) > 1.e-5 ) WRITE(numout,*) 'violation volume [m3/day] (limitd_th) = ',(zchk_v_i * 86400.) |
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| 174 | IF ( ABS( zchk_smv ) > 1.e-4 ) WRITE(numout,*) 'violation saline [psu*m3/day] (limitd_th) = ',(zchk_smv * 86400.) |
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| 175 | IF ( zchk_vmin < 0. ) WRITE(numout,*) 'violation v_i<0 [mm] (limitd_th) = ',(zchk_vmin * 1.e-3) |
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| 176 | IF ( zchk_amax > amax+epsi10 ) WRITE(numout,*) 'violation a_i>amax (limitd_th) = ',zchk_amax |
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| 177 | IF ( zchk_amin < 0. ) WRITE(numout,*) 'violation a_i<0 (limitd_th) = ',zchk_amin |
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[3938] | 178 | ENDIF |
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| 179 | ENDIF |
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| 180 | !- check conservation (C Rousset) |
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| 181 | ! ------------------------------- |
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| 182 | ! |
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[867] | 183 | !- Recover Old values |
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[2715] | 184 | a_i(:,:,:) = old_a_i (:,:,:) |
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| 185 | v_s(:,:,:) = old_v_s (:,:,:) |
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| 186 | v_i(:,:,:) = old_v_i (:,:,:) |
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| 187 | e_s(:,:,:,:) = old_e_s (:,:,:,:) |
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| 188 | e_i(:,:,:,:) = old_e_i (:,:,:,:) |
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[3938] | 189 | !?? oa_i(:,:,:) = old_oa_i(:,:,:) |
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[2715] | 190 | IF( num_sal == 2 .OR. num_sal == 4 ) smv_i(:,:,:) = old_smv_i (:,:,:) |
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| 191 | ! |
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[921] | 192 | END SUBROUTINE lim_itd_th |
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| 193 | ! |
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[867] | 194 | |
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[921] | 195 | SUBROUTINE lim_itd_th_rem( klbnd, kubnd, ntyp, kt ) |
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| 196 | !!------------------------------------------------------------------ |
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| 197 | !! *** ROUTINE lim_itd_th_rem *** |
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| 198 | !! |
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[2715] | 199 | !! ** Purpose : computes the redistribution of ice thickness |
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| 200 | !! after thermodynamic growth of ice thickness |
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| 201 | !! |
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[921] | 202 | !! ** Method : Linear remapping |
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| 203 | !! |
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[2715] | 204 | !! References : W.H. Lipscomb, JGR 2001 |
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[921] | 205 | !!------------------------------------------------------------------ |
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[2715] | 206 | INTEGER , INTENT (in) :: klbnd ! Start thickness category index point |
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| 207 | INTEGER , INTENT (in) :: kubnd ! End point on which the the computation is applied |
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| 208 | INTEGER , INTENT (in) :: ntyp ! Number of the type used |
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| 209 | INTEGER , INTENT (in) :: kt ! Ocean time step |
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| 210 | ! |
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| 211 | INTEGER :: ji, jj, jl ! dummy loop index |
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| 212 | INTEGER :: zji, zjj, nd ! local integer |
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| 213 | REAL(wp) :: zx1, zwk1, zdh0, zetamin, zdamax ! local scalars |
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[3963] | 214 | REAL(wp) :: zx2, zwk2, zda0, zetamax ! - - |
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[2715] | 215 | REAL(wp) :: zx3, zareamin, zindb ! - - |
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| 216 | CHARACTER (len = 15) :: fieldid |
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[825] | 217 | |
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[3294] | 218 | INTEGER , POINTER, DIMENSION(:,:,:) :: zdonor ! donor category index |
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[825] | 219 | |
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[3294] | 220 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zdhice ! ice thickness increment |
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| 221 | REAL(wp), POINTER, DIMENSION(:,:,:) :: g0 ! coefficients for fitting the line of the ITD |
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| 222 | REAL(wp), POINTER, DIMENSION(:,:,:) :: g1 ! coefficients for fitting the line of the ITD |
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| 223 | REAL(wp), POINTER, DIMENSION(:,:,:) :: hL ! left boundary for the ITD for each thickness |
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| 224 | REAL(wp), POINTER, DIMENSION(:,:,:) :: hR ! left boundary for the ITD for each thickness |
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| 225 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zht_i_o ! old ice thickness |
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| 226 | REAL(wp), POINTER, DIMENSION(:,:,:) :: dummy_es |
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| 227 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zdaice, zdvice ! local increment of ice area and volume |
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| 228 | REAL(wp), POINTER, DIMENSION(:) :: zvetamin, zvetamax ! maximum values for etas |
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| 229 | INTEGER , POINTER, DIMENSION(:) :: nind_i, nind_j ! compressed indices for i/j directions |
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| 230 | INTEGER :: nbrem ! number of cells with ice to transfer |
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| 231 | REAL(wp) :: zslope ! used to compute local thermodynamic "speeds" |
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| 232 | REAL(wp), POINTER, DIMENSION(:,:) :: zhb0, zhb1 ! category boundaries for thinnes categories |
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| 233 | REAL(wp), POINTER, DIMENSION(:,:) :: vt_i_init, vt_i_final ! ice volume summed over categories |
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| 234 | REAL(wp), POINTER, DIMENSION(:,:) :: vt_s_init, vt_s_final ! snow volume summed over categories |
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| 235 | REAL(wp), POINTER, DIMENSION(:,:) :: et_i_init, et_i_final ! ice energy summed over categories |
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| 236 | REAL(wp), POINTER, DIMENSION(:,:) :: et_s_init, et_s_final ! snow energy summed over categories |
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| 237 | INTEGER , POINTER, DIMENSION(:,:) :: zremap_flag ! compute remapping or not ???? |
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| 238 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhbnew ! new boundaries of ice categories |
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| 239 | !!------------------------------------------------------------------ |
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[825] | 240 | |
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[3294] | 241 | CALL wrk_alloc( jpi,jpj, zremap_flag ) ! integer |
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| 242 | CALL wrk_alloc( jpi,jpj,jpl-1, zdonor ) ! integer |
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| 243 | CALL wrk_alloc( jpi,jpj,jpl, zdhice, g0, g1, hL, hR, zht_i_o, dummy_es ) |
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| 244 | CALL wrk_alloc( jpi,jpj,jpl-1, zdaice, zdvice ) |
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| 245 | CALL wrk_alloc( jpi,jpj,jpl+1, zhbnew, kkstart = 0 ) |
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| 246 | CALL wrk_alloc( (jpi+1)*(jpj+1), zvetamin, zvetamax ) |
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| 247 | CALL wrk_alloc( (jpi+1)*(jpj+1), nind_i, nind_j ) ! integer |
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| 248 | CALL wrk_alloc( jpi,jpj, zhb0,zhb1,vt_i_init,vt_i_final,vt_s_init,vt_s_final,et_i_init,et_i_final,et_s_init,et_s_final ) |
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[825] | 249 | |
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[2715] | 250 | zareamin = epsi10 !minimum area in thickness categories tolerated by the conceptors of the model |
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[921] | 251 | |
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| 252 | !!---------------------------------------------------------------------------------------------- |
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| 253 | !! 0) Conservation checkand changes in each ice category |
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| 254 | !!---------------------------------------------------------------------------------------------- |
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[2715] | 255 | IF( con_i ) THEN |
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[825] | 256 | CALL lim_column_sum (jpl, v_i, vt_i_init) |
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| 257 | CALL lim_column_sum (jpl, v_s, vt_s_init) |
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| 258 | CALL lim_column_sum_energy (jpl, nlay_i, e_i, et_i_init) |
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| 259 | dummy_es(:,:,:) = e_s(:,:,1,:) |
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| 260 | CALL lim_column_sum (jpl, dummy_es(:,:,:) , et_s_init) |
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| 261 | ENDIF |
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| 262 | |
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[921] | 263 | !!---------------------------------------------------------------------------------------------- |
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| 264 | !! 1) Compute thickness and changes in each ice category |
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| 265 | !!---------------------------------------------------------------------------------------------- |
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[2715] | 266 | IF( kt == nit000 .AND. lwp) THEN |
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[921] | 267 | WRITE(numout,*) |
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| 268 | WRITE(numout,*) 'lim_itd_th_rem : Remapping the ice thickness distribution' |
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| 269 | WRITE(numout,*) '~~~~~~~~~~~~~~~' |
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| 270 | WRITE(numout,*) ' klbnd : ', klbnd |
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| 271 | WRITE(numout,*) ' kubnd : ', kubnd |
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| 272 | WRITE(numout,*) ' ntyp : ', ntyp |
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| 273 | ENDIF |
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[825] | 274 | |
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[2715] | 275 | zdhice(:,:,:) = 0._wp |
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[921] | 276 | DO jl = klbnd, kubnd |
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| 277 | DO jj = 1, jpj |
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| 278 | DO ji = 1, jpi |
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[3938] | 279 | zindb = 1.0-MAX(0.0,SIGN(1.0,-a_i(ji,jj,jl)+epsi10)) !0 if no ice and 1 if yes |
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[2715] | 280 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / MAX(a_i(ji,jj,jl),epsi10) * zindb |
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[3938] | 281 | zindb = 1.0-MAX(0.0,SIGN(1.0,-old_a_i(ji,jj,jl)+epsi10)) !0 if no ice and 1 if yes |
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[2715] | 282 | zht_i_o(ji,jj,jl) = old_v_i(ji,jj,jl) / MAX(old_a_i(ji,jj,jl),epsi10) * zindb |
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| 283 | IF( a_i(ji,jj,jl) > 1e-6 ) zdhice(ji,jj,jl) = ht_i(ji,jj,jl) - zht_i_o(ji,jj,jl) |
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[921] | 284 | END DO |
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| 285 | END DO |
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| 286 | END DO |
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| 287 | |
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| 288 | !----------------------------------------------------------------------------------------------- |
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| 289 | ! 2) Compute fractional ice area in each grid cell |
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| 290 | !----------------------------------------------------------------------------------------------- |
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[2715] | 291 | at_i(:,:) = 0._wp |
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[825] | 292 | DO jl = klbnd, kubnd |
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[2715] | 293 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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[825] | 294 | END DO |
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| 295 | |
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[921] | 296 | !----------------------------------------------------------------------------------------------- |
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| 297 | ! 3) Identify grid cells with ice |
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| 298 | !----------------------------------------------------------------------------------------------- |
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[825] | 299 | nbrem = 0 |
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| 300 | DO jj = 1, jpj |
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| 301 | DO ji = 1, jpi |
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| 302 | IF ( at_i(ji,jj) .gt. zareamin ) THEN |
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| 303 | nbrem = nbrem + 1 |
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| 304 | nind_i(nbrem) = ji |
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| 305 | nind_j(nbrem) = jj |
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[3294] | 306 | zremap_flag(ji,jj) = 1 |
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[825] | 307 | ELSE |
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[3294] | 308 | zremap_flag(ji,jj) = 0 |
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[825] | 309 | ENDIF |
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| 310 | END DO !ji |
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| 311 | END DO !jj |
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| 312 | |
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[921] | 313 | !----------------------------------------------------------------------------------------------- |
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| 314 | ! 4) Compute new category boundaries |
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| 315 | !----------------------------------------------------------------------------------------------- |
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[825] | 316 | !- 4.1 Compute category boundaries |
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[862] | 317 | ! Tricky trick see limitd_me.F90 |
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[844] | 318 | ! will be soon removed, CT |
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| 319 | ! hi_max(kubnd) = 999.99 |
---|
[2715] | 320 | zhbnew(:,:,:) = 0._wp |
---|
[825] | 321 | |
---|
| 322 | DO jl = klbnd, kubnd - 1 |
---|
| 323 | DO ji = 1, nbrem |
---|
| 324 | zji = nind_i(ji) |
---|
| 325 | zjj = nind_j(ji) |
---|
| 326 | ! |
---|
[2715] | 327 | IF ( ( zht_i_o(zji,zjj,jl) .GT.epsi10 ) .AND. & |
---|
| 328 | ( zht_i_o(zji,zjj,jl+1).GT.epsi10 ) ) THEN |
---|
[825] | 329 | !interpolate between adjacent category growth rates |
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| 330 | zslope = ( zdhice(zji,zjj,jl+1) - zdhice(zji,zjj,jl) ) / & |
---|
[921] | 331 | ( zht_i_o (zji,zjj,jl+1) - zht_i_o (zji,zjj,jl) ) |
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[825] | 332 | zhbnew(zji,zjj,jl) = hi_max(jl) + zdhice(zji,zjj,jl) + & |
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[921] | 333 | zslope * ( hi_max(jl) - zht_i_o(zji,zjj,jl) ) |
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[2715] | 334 | ELSEIF (zht_i_o(zji,zjj,jl).gt.epsi10) THEN |
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[825] | 335 | zhbnew(zji,zjj,jl) = hi_max(jl) + zdhice(zji,zjj,jl) |
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[2715] | 336 | ELSEIF (zht_i_o(zji,zjj,jl+1).gt.epsi10) THEN |
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[825] | 337 | zhbnew(zji,zjj,jl) = hi_max(jl) + zdhice(zji,zjj,jl+1) |
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| 338 | ELSE |
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| 339 | zhbnew(zji,zjj,jl) = hi_max(jl) |
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| 340 | ENDIF |
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[2715] | 341 | END DO |
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[825] | 342 | |
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[921] | 343 | !- 4.2 Check that each zhbnew lies between adjacent values of ice thickness |
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[825] | 344 | DO ji = 1, nbrem |
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| 345 | ! jl, ji |
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| 346 | zji = nind_i(ji) |
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| 347 | zjj = nind_j(ji) |
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| 348 | ! jl, ji |
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[2715] | 349 | IF ( ( a_i(zji,zjj,jl) .GT.epsi10) .AND. & |
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[921] | 350 | ( ht_i(zji,zjj,jl).GE. zhbnew(zji,zjj,jl) ) & |
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[825] | 351 | ) THEN |
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[3294] | 352 | zremap_flag(zji,zjj) = 0 |
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[2715] | 353 | ELSEIF ( ( a_i(zji,zjj,jl+1) .GT. epsi10 ) .AND. & |
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[921] | 354 | ( ht_i(zji,zjj,jl+1).LE. zhbnew(zji,zjj,jl) ) & |
---|
| 355 | ) THEN |
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[3294] | 356 | zremap_flag(zji,zjj) = 0 |
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[825] | 357 | ENDIF |
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| 358 | |
---|
[921] | 359 | !- 4.3 Check that each zhbnew does not exceed maximal values hi_max |
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[825] | 360 | ! jl, ji |
---|
| 361 | IF (zhbnew(zji,zjj,jl).gt.hi_max(jl+1)) THEN |
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[3294] | 362 | zremap_flag(zji,zjj) = 0 |
---|
[825] | 363 | ENDIF |
---|
| 364 | ! jl, ji |
---|
| 365 | IF (zhbnew(zji,zjj,jl).lt.hi_max(jl-1)) THEN |
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[3294] | 366 | zremap_flag(zji,zjj) = 0 |
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[825] | 367 | ENDIF |
---|
| 368 | ! jl, ji |
---|
| 369 | END DO !ji |
---|
| 370 | ! ji |
---|
| 371 | END DO !jl |
---|
| 372 | |
---|
[921] | 373 | !----------------------------------------------------------------------------------------------- |
---|
| 374 | ! 5) Identify cells where ITD is to be remapped |
---|
| 375 | !----------------------------------------------------------------------------------------------- |
---|
| 376 | nbrem = 0 |
---|
| 377 | DO jj = 1, jpj |
---|
| 378 | DO ji = 1, jpi |
---|
[3294] | 379 | IF ( zremap_flag(ji,jj) == 1 ) THEN |
---|
[921] | 380 | nbrem = nbrem + 1 |
---|
| 381 | nind_i(nbrem) = ji |
---|
| 382 | nind_j(nbrem) = jj |
---|
| 383 | ENDIF |
---|
| 384 | END DO !ji |
---|
| 385 | END DO !jj |
---|
[825] | 386 | |
---|
[921] | 387 | !----------------------------------------------------------------------------------------------- |
---|
| 388 | ! 6) Fill arrays with lowermost / uppermost boundaries of 'new' categories |
---|
| 389 | !----------------------------------------------------------------------------------------------- |
---|
| 390 | DO jj = 1, jpj |
---|
| 391 | DO ji = 1, jpi |
---|
| 392 | zhb0(ji,jj) = hi_max_typ(0,ntyp) ! 0eme |
---|
| 393 | zhb1(ji,jj) = hi_max_typ(1,ntyp) ! 1er |
---|
[825] | 394 | |
---|
[2715] | 395 | zhbnew(ji,jj,klbnd-1) = 0._wp |
---|
[825] | 396 | |
---|
[2715] | 397 | IF( a_i(ji,jj,kubnd) > epsi10 ) THEN |
---|
| 398 | zhbnew(ji,jj,kubnd) = 3._wp * ht_i(ji,jj,kubnd) - 2._wp * zhbnew(ji,jj,kubnd-1) |
---|
[921] | 399 | ELSE |
---|
| 400 | zhbnew(ji,jj,kubnd) = hi_max(kubnd) |
---|
| 401 | ENDIF |
---|
[825] | 402 | |
---|
[2715] | 403 | IF( zhbnew(ji,jj,kubnd) < hi_max(kubnd-1) ) zhbnew(ji,jj,kubnd) = hi_max(kubnd-1) |
---|
[825] | 404 | |
---|
[921] | 405 | END DO !jj |
---|
| 406 | END DO !jj |
---|
[825] | 407 | |
---|
[921] | 408 | !----------------------------------------------------------------------------------------------- |
---|
| 409 | ! 7) Compute g(h) |
---|
| 410 | !----------------------------------------------------------------------------------------------- |
---|
| 411 | !- 7.1 g(h) for category 1 at start of time step |
---|
[2715] | 412 | CALL lim_itd_fitline( klbnd, zhb0, zhb1, zht_i_o(:,:,klbnd), & |
---|
| 413 | & g0(:,:,klbnd), g1(:,:,klbnd), hL(:,:,klbnd), & |
---|
| 414 | & hR(:,:,klbnd), zremap_flag ) |
---|
[825] | 415 | |
---|
[921] | 416 | !- 7.2 Area lost due to melting of thin ice (first category, klbnd) |
---|
| 417 | DO ji = 1, nbrem |
---|
| 418 | zji = nind_i(ji) |
---|
| 419 | zjj = nind_j(ji) |
---|
[825] | 420 | |
---|
[921] | 421 | !ji |
---|
[2715] | 422 | IF (a_i(zji,zjj,klbnd) .gt. epsi10) THEN |
---|
[921] | 423 | zdh0 = zdhice(zji,zjj,klbnd) !decrease of ice thickness in the lower category |
---|
[2715] | 424 | ! ji, a_i > epsi10 |
---|
[921] | 425 | IF (zdh0 .lt. 0.0) THEN !remove area from category 1 |
---|
[2715] | 426 | ! ji, a_i > epsi10; zdh0 < 0 |
---|
[921] | 427 | zdh0 = MIN(-zdh0,hi_max(klbnd)) |
---|
[825] | 428 | |
---|
[921] | 429 | !Integrate g(1) from 0 to dh0 to estimate area melted |
---|
| 430 | zetamax = MIN(zdh0,hR(zji,zjj,klbnd)) - hL(zji,zjj,klbnd) |
---|
| 431 | IF (zetamax.gt.0.0) THEN |
---|
| 432 | zx1 = zetamax |
---|
| 433 | zx2 = 0.5 * zetamax*zetamax |
---|
| 434 | zda0 = g1(zji,zjj,klbnd) * zx2 + g0(zji,zjj,klbnd) * zx1 !ice area removed |
---|
| 435 | ! Constrain new thickness <= ht_i |
---|
| 436 | zdamax = a_i(zji,zjj,klbnd) * & |
---|
| 437 | (1.0 - ht_i(zji,zjj,klbnd)/zht_i_o(zji,zjj,klbnd)) ! zdamax > 0 |
---|
| 438 | !ice area lost due to melting of thin ice |
---|
| 439 | zda0 = MIN(zda0, zdamax) |
---|
[825] | 440 | |
---|
[921] | 441 | ! Remove area, conserving volume |
---|
| 442 | ht_i(zji,zjj,klbnd) = ht_i(zji,zjj,klbnd) & |
---|
| 443 | * a_i(zji,zjj,klbnd) / ( a_i(zji,zjj,klbnd) - zda0 ) |
---|
| 444 | a_i(zji,zjj,klbnd) = a_i(zji,zjj,klbnd) - zda0 |
---|
[3938] | 445 | v_i(zji,zjj,klbnd) = a_i(zji,zjj,klbnd)*ht_i(zji,zjj,klbnd) ! clem@useless |
---|
[921] | 446 | ENDIF ! zetamax > 0 |
---|
[2715] | 447 | ! ji, a_i > epsi10 |
---|
[825] | 448 | |
---|
[921] | 449 | ELSE ! if ice accretion |
---|
[2715] | 450 | ! ji, a_i > epsi10; zdh0 > 0 |
---|
[921] | 451 | IF ( ntyp .EQ. 1 ) zhbnew(zji,zjj,klbnd-1) = MIN(zdh0,hi_max(klbnd)) |
---|
| 452 | ! zhbnew was 0, and is shifted to the right to account for thin ice |
---|
| 453 | ! growth in openwater (F0 = f1) |
---|
| 454 | IF ( ntyp .NE. 1 ) zhbnew(zji,zjj,0) = 0 |
---|
| 455 | ! in other types there is |
---|
| 456 | ! no open water growth (F0 = 0) |
---|
| 457 | ENDIF ! zdh0 |
---|
[825] | 458 | |
---|
[2715] | 459 | ! a_i > epsi10 |
---|
| 460 | ENDIF ! a_i > epsi10 |
---|
[825] | 461 | |
---|
[921] | 462 | END DO ! ji |
---|
[825] | 463 | |
---|
[921] | 464 | !- 7.3 g(h) for each thickness category |
---|
| 465 | DO jl = klbnd, kubnd |
---|
| 466 | CALL lim_itd_fitline(jl, zhbnew(:,:,jl-1), zhbnew(:,:,jl), ht_i(:,:,jl), & |
---|
| 467 | g0(:,:,jl), g1(:,:,jl), hL(:,:,jl), hR(:,:,jl), & |
---|
| 468 | zremap_flag) |
---|
| 469 | END DO |
---|
[825] | 470 | |
---|
[921] | 471 | !----------------------------------------------------------------------------------------------- |
---|
| 472 | ! 8) Compute area and volume to be shifted across each boundary |
---|
| 473 | !----------------------------------------------------------------------------------------------- |
---|
[825] | 474 | |
---|
[921] | 475 | DO jl = klbnd, kubnd - 1 |
---|
| 476 | DO jj = 1, jpj |
---|
| 477 | DO ji = 1, jpi |
---|
| 478 | zdonor(ji,jj,jl) = 0 |
---|
| 479 | zdaice(ji,jj,jl) = 0.0 |
---|
| 480 | zdvice(ji,jj,jl) = 0.0 |
---|
| 481 | END DO |
---|
| 482 | END DO |
---|
[825] | 483 | |
---|
[921] | 484 | DO ji = 1, nbrem |
---|
| 485 | zji = nind_i(ji) |
---|
| 486 | zjj = nind_j(ji) |
---|
[825] | 487 | |
---|
[921] | 488 | IF (zhbnew(zji,zjj,jl) .gt. hi_max(jl)) THEN ! transfer from jl to jl+1 |
---|
[825] | 489 | |
---|
[921] | 490 | ! left and right integration limits in eta space |
---|
| 491 | zvetamin(ji) = MAX(hi_max(jl), hL(zji,zjj,jl)) - hL(zji,zjj,jl) |
---|
| 492 | zvetamax(ji) = MIN(zhbnew(zji,zjj,jl), hR(zji,zjj,jl)) - hL(zji,zjj,jl) |
---|
| 493 | zdonor(zji,zjj,jl) = jl |
---|
[825] | 494 | |
---|
[921] | 495 | ELSE ! zhbnew(jl) <= hi_max(jl) ; transfer from jl+1 to jl |
---|
[825] | 496 | |
---|
[921] | 497 | ! left and right integration limits in eta space |
---|
| 498 | zvetamin(ji) = 0.0 |
---|
| 499 | zvetamax(ji) = MIN(hi_max(jl), hR(zji,zjj,jl+1)) - hL(zji,zjj,jl+1) |
---|
| 500 | zdonor(zji,zjj,jl) = jl + 1 |
---|
[825] | 501 | |
---|
[921] | 502 | ENDIF ! zhbnew(jl) > hi_max(jl) |
---|
[825] | 503 | |
---|
[921] | 504 | zetamax = MAX(zvetamax(ji), zvetamin(ji)) ! no transfer if etamax < etamin |
---|
| 505 | zetamin = zvetamin(ji) |
---|
[825] | 506 | |
---|
[921] | 507 | zx1 = zetamax - zetamin |
---|
| 508 | zwk1 = zetamin*zetamin |
---|
| 509 | zwk2 = zetamax*zetamax |
---|
| 510 | zx2 = 0.5 * (zwk2 - zwk1) |
---|
| 511 | zwk1 = zwk1 * zetamin |
---|
| 512 | zwk2 = zwk2 * zetamax |
---|
| 513 | zx3 = 1.0/3.0 * (zwk2 - zwk1) |
---|
| 514 | nd = zdonor(zji,zjj,jl) |
---|
| 515 | zdaice(zji,zjj,jl) = g1(zji,zjj,nd)*zx2 + g0(zji,zjj,nd)*zx1 |
---|
| 516 | zdvice(zji,zjj,jl) = g1(zji,zjj,nd)*zx3 + g0(zji,zjj,nd)*zx2 + & |
---|
| 517 | zdaice(zji,zjj,jl)*hL(zji,zjj,nd) |
---|
| 518 | |
---|
| 519 | END DO ! ji |
---|
| 520 | END DO ! jl klbnd -> kubnd - 1 |
---|
| 521 | |
---|
| 522 | !!---------------------------------------------------------------------------------------------- |
---|
| 523 | !! 9) Shift ice between categories |
---|
| 524 | !!---------------------------------------------------------------------------------------------- |
---|
| 525 | CALL lim_itd_shiftice ( klbnd, kubnd, zdonor, zdaice, zdvice ) |
---|
| 526 | |
---|
| 527 | !!---------------------------------------------------------------------------------------------- |
---|
| 528 | !! 10) Make sure ht_i >= minimum ice thickness hi_min |
---|
| 529 | !!---------------------------------------------------------------------------------------------- |
---|
| 530 | |
---|
| 531 | DO ji = 1, nbrem |
---|
| 532 | zji = nind_i(ji) |
---|
| 533 | zjj = nind_j(ji) |
---|
[3963] | 534 | IF ( ( a_i(zji,zjj,1) .GT. epsi10 ) .AND. ( ht_i(zji,zjj,1) .LT. hiclim ) ) THEN |
---|
| 535 | a_i(zji,zjj,1) = a_i(zji,zjj,1) * ht_i(zji,zjj,1) / hiclim |
---|
| 536 | ht_i(zji,zjj,1) = hiclim |
---|
| 537 | v_i(zji,zjj,1) = a_i(zji,zjj,1) * ht_i(zji,zjj,1) !clem@useless |
---|
[921] | 538 | ENDIF |
---|
| 539 | END DO !ji |
---|
| 540 | |
---|
| 541 | !!---------------------------------------------------------------------------------------------- |
---|
| 542 | !! 11) Conservation check |
---|
| 543 | !!---------------------------------------------------------------------------------------------- |
---|
[825] | 544 | IF ( con_i ) THEN |
---|
| 545 | CALL lim_column_sum (jpl, v_i, vt_i_final) |
---|
| 546 | fieldid = ' v_i : limitd_th ' |
---|
| 547 | CALL lim_cons_check (vt_i_init, vt_i_final, 1.0e-6, fieldid) |
---|
| 548 | |
---|
| 549 | CALL lim_column_sum_energy (jpl, nlay_i, e_i, et_i_final) |
---|
| 550 | fieldid = ' e_i : limitd_th ' |
---|
| 551 | CALL lim_cons_check (et_i_init, et_i_final, 1.0e-3, fieldid) |
---|
| 552 | |
---|
| 553 | CALL lim_column_sum (jpl, v_s, vt_s_final) |
---|
| 554 | fieldid = ' v_s : limitd_th ' |
---|
| 555 | CALL lim_cons_check (vt_s_init, vt_s_final, 1.0e-6, fieldid) |
---|
| 556 | |
---|
| 557 | dummy_es(:,:,:) = e_s(:,:,1,:) |
---|
| 558 | CALL lim_column_sum (jpl, dummy_es(:,:,:) , et_s_final) |
---|
| 559 | fieldid = ' e_s : limitd_th ' |
---|
| 560 | CALL lim_cons_check (et_s_init, et_s_final, 1.0e-3, fieldid) |
---|
| 561 | ENDIF |
---|
| 562 | |
---|
[3294] | 563 | CALL wrk_dealloc( jpi,jpj, zremap_flag ) ! integer |
---|
| 564 | CALL wrk_dealloc( jpi,jpj,jpl-1, zdonor ) ! integer |
---|
| 565 | CALL wrk_dealloc( jpi,jpj,jpl, zdhice, g0, g1, hL, hR, zht_i_o, dummy_es ) |
---|
| 566 | CALL wrk_dealloc( jpi,jpj,jpl-1, zdaice, zdvice ) |
---|
| 567 | CALL wrk_dealloc( jpi,jpj,jpl+1, zhbnew, kkstart = 0 ) |
---|
| 568 | CALL wrk_dealloc( (jpi+1)*(jpj+1), zvetamin, zvetamax ) |
---|
| 569 | CALL wrk_dealloc( (jpi+1)*(jpj+1), nind_i, nind_j ) ! integer |
---|
| 570 | CALL wrk_dealloc( jpi,jpj, zhb0,zhb1,vt_i_init,vt_i_final,vt_s_init,vt_s_final,et_i_init,et_i_final,et_s_init,et_s_final ) |
---|
| 571 | |
---|
[921] | 572 | END SUBROUTINE lim_itd_th_rem |
---|
[825] | 573 | |
---|
| 574 | |
---|
[2715] | 575 | SUBROUTINE lim_itd_fitline( num_cat, HbL, Hbr, hice, & |
---|
| 576 | & g0, g1, hL, hR, zremap_flag ) |
---|
[921] | 577 | !!------------------------------------------------------------------ |
---|
| 578 | !! *** ROUTINE lim_itd_fitline *** |
---|
| 579 | !! |
---|
[2715] | 580 | !! ** Purpose : fit g(h) with a line using area, volume constraints |
---|
[921] | 581 | !! |
---|
[2715] | 582 | !! ** Method : Fit g(h) with a line, satisfying area and volume constraints. |
---|
| 583 | !! To reduce roundoff errors caused by large values of g0 and g1, |
---|
| 584 | !! we actually compute g(eta), where eta = h - hL, and hL is the |
---|
| 585 | !! left boundary. |
---|
[921] | 586 | !!------------------------------------------------------------------ |
---|
[2715] | 587 | INTEGER , INTENT(in ) :: num_cat ! category index |
---|
| 588 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: HbL, HbR ! left and right category boundaries |
---|
| 589 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: hice ! ice thickness |
---|
| 590 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: g0, g1 ! coefficients in linear equation for g(eta) |
---|
| 591 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: hL ! min value of range over which g(h) > 0 |
---|
| 592 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: hR ! max value of range over which g(h) > 0 |
---|
[3294] | 593 | INTEGER , DIMENSION(jpi,jpj), INTENT(in ) :: zremap_flag ! |
---|
[2715] | 594 | ! |
---|
| 595 | INTEGER :: ji,jj ! horizontal indices |
---|
| 596 | REAL(wp) :: zh13 ! HbL + 1/3 * (HbR - HbL) |
---|
| 597 | REAL(wp) :: zh23 ! HbL + 2/3 * (HbR - HbL) |
---|
| 598 | REAL(wp) :: zdhr ! 1 / (hR - hL) |
---|
| 599 | REAL(wp) :: zwk1, zwk2 ! temporary variables |
---|
| 600 | REAL(wp) :: zacrith ! critical minimum concentration in an ice category |
---|
| 601 | !!------------------------------------------------------------------ |
---|
| 602 | ! |
---|
[825] | 603 | zacrith = 1.0e-6 |
---|
[2715] | 604 | ! |
---|
[825] | 605 | DO jj = 1, jpj |
---|
| 606 | DO ji = 1, jpi |
---|
[2715] | 607 | ! |
---|
[3294] | 608 | IF( zremap_flag(ji,jj) == 1 .AND. a_i(ji,jj,num_cat) > zacrith & |
---|
| 609 | & .AND. hice(ji,jj) > 0._wp ) THEN |
---|
[825] | 610 | |
---|
[921] | 611 | ! Initialize hL and hR |
---|
| 612 | |
---|
[825] | 613 | hL(ji,jj) = HbL(ji,jj) |
---|
| 614 | hR(ji,jj) = HbR(ji,jj) |
---|
| 615 | |
---|
[921] | 616 | ! Change hL or hR if hice falls outside central third of range |
---|
[825] | 617 | |
---|
| 618 | zh13 = 1.0/3.0 * (2.0*hL(ji,jj) + hR(ji,jj)) |
---|
| 619 | zh23 = 1.0/3.0 * (hL(ji,jj) + 2.0*hR(ji,jj)) |
---|
| 620 | |
---|
[2715] | 621 | IF ( hice(ji,jj) < zh13 ) THEN ; hR(ji,jj) = 3._wp * hice(ji,jj) - 2._wp * hL(ji,jj) |
---|
| 622 | ELSEIF( hice(ji,jj) > zh23 ) THEN ; hL(ji,jj) = 3._wp * hice(ji,jj) - 2._wp * hR(ji,jj) |
---|
[825] | 623 | ENDIF |
---|
| 624 | |
---|
[921] | 625 | ! Compute coefficients of g(eta) = g0 + g1*eta |
---|
| 626 | |
---|
[2715] | 627 | zdhr = 1._wp / (hR(ji,jj) - hL(ji,jj)) |
---|
| 628 | zwk1 = 6._wp * a_i(ji,jj,num_cat) * zdhr |
---|
| 629 | zwk2 = ( hice(ji,jj) - hL(ji,jj) ) * zdhr |
---|
| 630 | g0(ji,jj) = zwk1 * ( 2._wp/3._wp - zwk2 ) |
---|
| 631 | g1(ji,jj) = 2._wp * zdhr * zwk1 * (zwk2 - 0.5) |
---|
| 632 | ! |
---|
| 633 | ELSE ! remap_flag = .false. or a_i < epsi10 |
---|
| 634 | hL(ji,jj) = 0._wp |
---|
| 635 | hR(ji,jj) = 0._wp |
---|
| 636 | g0(ji,jj) = 0._wp |
---|
| 637 | g1(ji,jj) = 0._wp |
---|
| 638 | ENDIF ! a_i > epsi10 |
---|
| 639 | ! |
---|
| 640 | END DO |
---|
| 641 | END DO |
---|
| 642 | ! |
---|
| 643 | END SUBROUTINE lim_itd_fitline |
---|
[825] | 644 | |
---|
| 645 | |
---|
[2715] | 646 | SUBROUTINE lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
---|
[921] | 647 | !!------------------------------------------------------------------ |
---|
| 648 | !! *** ROUTINE lim_itd_shiftice *** |
---|
[2715] | 649 | !! |
---|
| 650 | !! ** Purpose : shift ice across category boundaries, conserving everything |
---|
[921] | 651 | !! ( area, volume, energy, age*vol, and mass of salt ) |
---|
| 652 | !! |
---|
| 653 | !! ** Method : |
---|
| 654 | !!------------------------------------------------------------------ |
---|
[3294] | 655 | INTEGER , INTENT(in ) :: klbnd ! Start thickness category index point |
---|
| 656 | INTEGER , INTENT(in ) :: kubnd ! End point on which the the computation is applied |
---|
[2715] | 657 | INTEGER , DIMENSION(jpi,jpj,jpl-1), INTENT(in ) :: zdonor ! donor category index |
---|
| 658 | REAL(wp), DIMENSION(jpi,jpj,jpl-1), INTENT(inout) :: zdaice ! ice area transferred across boundary |
---|
| 659 | REAL(wp), DIMENSION(jpi,jpj,jpl-1), INTENT(inout) :: zdvice ! ice volume transferred across boundary |
---|
[825] | 660 | |
---|
[2715] | 661 | INTEGER :: ji, jj, jl, jl2, jl1, jk ! dummy loop indices |
---|
| 662 | INTEGER :: zji, zjj ! indices when changing from 2D-1D is done |
---|
[825] | 663 | |
---|
[3294] | 664 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zaTsfn |
---|
| 665 | REAL(wp), POINTER, DIMENSION(:,:) :: zworka ! temporary array used here |
---|
[825] | 666 | |
---|
[2715] | 667 | REAL(wp) :: zdvsnow, zdesnow ! snow volume and energy transferred |
---|
| 668 | REAL(wp) :: zdeice ! ice energy transferred |
---|
| 669 | REAL(wp) :: zdsm_vice ! ice salinity times volume transferred |
---|
| 670 | REAL(wp) :: zdo_aice ! ice age times volume transferred |
---|
| 671 | REAL(wp) :: zdaTsf ! aicen*Tsfcn transferred |
---|
| 672 | REAL(wp) :: zindsn ! snow or not |
---|
| 673 | REAL(wp) :: zindb ! ice or not |
---|
[825] | 674 | |
---|
[3294] | 675 | INTEGER, POINTER, DIMENSION(:) :: nind_i, nind_j ! compressed indices for i/j directions |
---|
[825] | 676 | |
---|
[2715] | 677 | INTEGER :: nbrem ! number of cells with ice to transfer |
---|
[825] | 678 | |
---|
[2715] | 679 | LOGICAL :: zdaice_negative ! true if daice < -puny |
---|
| 680 | LOGICAL :: zdvice_negative ! true if dvice < -puny |
---|
| 681 | LOGICAL :: zdaice_greater_aicen ! true if daice > aicen |
---|
| 682 | LOGICAL :: zdvice_greater_vicen ! true if dvice > vicen |
---|
| 683 | !!------------------------------------------------------------------ |
---|
[825] | 684 | |
---|
[3294] | 685 | CALL wrk_alloc( jpi,jpj,jpl, zaTsfn ) |
---|
| 686 | CALL wrk_alloc( jpi,jpj, zworka ) |
---|
| 687 | CALL wrk_alloc( (jpi+1)*(jpj+1), nind_i, nind_j ) ! integer |
---|
| 688 | |
---|
[921] | 689 | !---------------------------------------------------------------------------------------------- |
---|
| 690 | ! 1) Define a variable equal to a_i*T_su |
---|
| 691 | !---------------------------------------------------------------------------------------------- |
---|
[825] | 692 | |
---|
| 693 | DO jl = klbnd, kubnd |
---|
[2715] | 694 | zaTsfn(:,:,jl) = a_i(:,:,jl)*t_su(:,:,jl) |
---|
| 695 | END DO |
---|
[825] | 696 | |
---|
[921] | 697 | !---------------------------------------------------------------------------------------------- |
---|
| 698 | ! 2) Check for daice or dvice out of range, allowing for roundoff error |
---|
| 699 | !---------------------------------------------------------------------------------------------- |
---|
[825] | 700 | ! Note: zdaice < 0 or zdvice < 0 usually happens when category jl |
---|
| 701 | ! has a small area, with h(n) very close to a boundary. Then |
---|
| 702 | ! the coefficients of g(h) are large, and the computed daice and |
---|
| 703 | ! dvice can be in error. If this happens, it is best to transfer |
---|
| 704 | ! either the entire category or nothing at all, depending on which |
---|
| 705 | ! side of the boundary hice(n) lies. |
---|
| 706 | !----------------------------------------------------------------- |
---|
| 707 | DO jl = klbnd, kubnd-1 |
---|
| 708 | |
---|
| 709 | zdaice_negative = .false. |
---|
| 710 | zdvice_negative = .false. |
---|
| 711 | zdaice_greater_aicen = .false. |
---|
| 712 | zdvice_greater_vicen = .false. |
---|
| 713 | |
---|
| 714 | DO jj = 1, jpj |
---|
| 715 | DO ji = 1, jpi |
---|
| 716 | |
---|
[921] | 717 | IF (zdonor(ji,jj,jl) .GT. 0) THEN |
---|
| 718 | jl1 = zdonor(ji,jj,jl) |
---|
[825] | 719 | |
---|
[921] | 720 | IF (zdaice(ji,jj,jl) .LT. 0.0) THEN |
---|
[2715] | 721 | IF (zdaice(ji,jj,jl) .GT. -epsi10) THEN |
---|
[921] | 722 | IF ( ( jl1.EQ.jl .AND. ht_i(ji,jj,jl1) .GT. hi_max(jl) ) & |
---|
| 723 | .OR. & |
---|
| 724 | ( jl1.EQ.jl+1 .AND. ht_i(ji,jj,jl1) .LE. hi_max(jl) ) & |
---|
| 725 | ) THEN |
---|
| 726 | zdaice(ji,jj,jl) = a_i(ji,jj,jl1) ! shift entire category |
---|
| 727 | zdvice(ji,jj,jl) = v_i(ji,jj,jl1) |
---|
| 728 | ELSE |
---|
| 729 | zdaice(ji,jj,jl) = 0.0 ! shift no ice |
---|
| 730 | zdvice(ji,jj,jl) = 0.0 |
---|
| 731 | ENDIF |
---|
[825] | 732 | ELSE |
---|
[921] | 733 | zdaice_negative = .true. |
---|
[825] | 734 | ENDIF |
---|
| 735 | ENDIF |
---|
| 736 | |
---|
[921] | 737 | IF (zdvice(ji,jj,jl) .LT. 0.0) THEN |
---|
[2715] | 738 | IF (zdvice(ji,jj,jl) .GT. -epsi10 ) THEN |
---|
[921] | 739 | IF ( ( jl1.EQ.jl .AND. ht_i(ji,jj,jl1).GT.hi_max(jl) ) & |
---|
| 740 | .OR. & |
---|
| 741 | ( jl1.EQ.jl+1 .AND. ht_i(ji,jj,jl1) .LE. hi_max(jl) ) & |
---|
| 742 | ) THEN |
---|
| 743 | zdaice(ji,jj,jl) = a_i(ji,jj,jl1) ! shift entire category |
---|
| 744 | zdvice(ji,jj,jl) = v_i(ji,jj,jl1) |
---|
| 745 | ELSE |
---|
| 746 | zdaice(ji,jj,jl) = 0.0 ! shift no ice |
---|
| 747 | zdvice(ji,jj,jl) = 0.0 |
---|
| 748 | ENDIF |
---|
[825] | 749 | ELSE |
---|
[921] | 750 | zdvice_negative = .true. |
---|
[825] | 751 | ENDIF |
---|
| 752 | ENDIF |
---|
| 753 | |
---|
[921] | 754 | ! If daice is close to aicen, set daice = aicen. |
---|
[2715] | 755 | IF (zdaice(ji,jj,jl) .GT. a_i(ji,jj,jl1) - epsi10 ) THEN |
---|
| 756 | IF (zdaice(ji,jj,jl) .LT. a_i(ji,jj,jl1)+epsi10) THEN |
---|
[921] | 757 | zdaice(ji,jj,jl) = a_i(ji,jj,jl1) |
---|
| 758 | zdvice(ji,jj,jl) = v_i(ji,jj,jl1) |
---|
| 759 | ELSE |
---|
| 760 | zdaice_greater_aicen = .true. |
---|
| 761 | ENDIF |
---|
[825] | 762 | ENDIF |
---|
| 763 | |
---|
[2715] | 764 | IF (zdvice(ji,jj,jl) .GT. v_i(ji,jj,jl1)-epsi10) THEN |
---|
| 765 | IF (zdvice(ji,jj,jl) .LT. v_i(ji,jj,jl1)+epsi10) THEN |
---|
[921] | 766 | zdaice(ji,jj,jl) = a_i(ji,jj,jl1) |
---|
| 767 | zdvice(ji,jj,jl) = v_i(ji,jj,jl1) |
---|
| 768 | ELSE |
---|
| 769 | zdvice_greater_vicen = .true. |
---|
| 770 | ENDIF |
---|
[825] | 771 | ENDIF |
---|
| 772 | |
---|
[921] | 773 | ENDIF ! donor > 0 |
---|
| 774 | END DO ! i |
---|
[825] | 775 | END DO ! j |
---|
| 776 | |
---|
| 777 | END DO !jl |
---|
| 778 | |
---|
[921] | 779 | !------------------------------------------------------------------------------- |
---|
| 780 | ! 3) Transfer volume and energy between categories |
---|
| 781 | !------------------------------------------------------------------------------- |
---|
[825] | 782 | |
---|
| 783 | DO jl = klbnd, kubnd - 1 |
---|
| 784 | nbrem = 0 |
---|
| 785 | DO jj = 1, jpj |
---|
| 786 | DO ji = 1, jpi |
---|
| 787 | IF (zdaice(ji,jj,jl) .GT. 0.0 ) THEN ! daice(n) can be < puny |
---|
| 788 | nbrem = nbrem + 1 |
---|
| 789 | nind_i(nbrem) = ji |
---|
| 790 | nind_j(nbrem) = jj |
---|
| 791 | ENDIF ! tmask |
---|
| 792 | END DO |
---|
| 793 | END DO |
---|
| 794 | |
---|
| 795 | DO ji = 1, nbrem |
---|
| 796 | zji = nind_i(ji) |
---|
| 797 | zjj = nind_j(ji) |
---|
| 798 | |
---|
| 799 | jl1 = zdonor(zji,zjj,jl) |
---|
[2715] | 800 | zindb = MAX( 0.0 , SIGN( 1.0 , v_i(zji,zjj,jl1) - epsi10 ) ) |
---|
| 801 | zworka(zji,zjj) = zdvice(zji,zjj,jl) / MAX(v_i(zji,zjj,jl1),epsi10) * zindb |
---|
| 802 | IF( jl1 == jl) THEN ; jl2 = jl1+1 |
---|
| 803 | ELSE ; jl2 = jl |
---|
[825] | 804 | ENDIF |
---|
| 805 | |
---|
| 806 | !-------------- |
---|
| 807 | ! Ice areas |
---|
| 808 | !-------------- |
---|
| 809 | |
---|
| 810 | a_i(zji,zjj,jl1) = a_i(zji,zjj,jl1) - zdaice(zji,zjj,jl) |
---|
| 811 | a_i(zji,zjj,jl2) = a_i(zji,zjj,jl2) + zdaice(zji,zjj,jl) |
---|
| 812 | |
---|
| 813 | !-------------- |
---|
| 814 | ! Ice volumes |
---|
| 815 | !-------------- |
---|
| 816 | |
---|
| 817 | v_i(zji,zjj,jl1) = v_i(zji,zjj,jl1) - zdvice(zji,zjj,jl) |
---|
| 818 | v_i(zji,zjj,jl2) = v_i(zji,zjj,jl2) + zdvice(zji,zjj,jl) |
---|
| 819 | |
---|
| 820 | !-------------- |
---|
| 821 | ! Snow volumes |
---|
| 822 | !-------------- |
---|
| 823 | |
---|
| 824 | zdvsnow = v_s(zji,zjj,jl1) * zworka(zji,zjj) |
---|
| 825 | v_s(zji,zjj,jl1) = v_s(zji,zjj,jl1) - zdvsnow |
---|
| 826 | v_s(zji,zjj,jl2) = v_s(zji,zjj,jl2) + zdvsnow |
---|
| 827 | |
---|
| 828 | !-------------------- |
---|
| 829 | ! Snow heat content |
---|
| 830 | !-------------------- |
---|
| 831 | |
---|
| 832 | zdesnow = e_s(zji,zjj,1,jl1) * zworka(zji,zjj) |
---|
| 833 | e_s(zji,zjj,1,jl1) = e_s(zji,zjj,1,jl1) - zdesnow |
---|
| 834 | e_s(zji,zjj,1,jl2) = e_s(zji,zjj,1,jl2) + zdesnow |
---|
| 835 | |
---|
| 836 | !-------------- |
---|
| 837 | ! Ice age |
---|
| 838 | !-------------- |
---|
| 839 | |
---|
| 840 | zdo_aice = oa_i(zji,zjj,jl1) * zdaice(zji,zjj,jl) |
---|
| 841 | oa_i(zji,zjj,jl1) = oa_i(zji,zjj,jl1) - zdo_aice |
---|
| 842 | oa_i(zji,zjj,jl2) = oa_i(zji,zjj,jl2) + zdo_aice |
---|
| 843 | |
---|
| 844 | !-------------- |
---|
| 845 | ! Ice salinity |
---|
| 846 | !-------------- |
---|
| 847 | |
---|
| 848 | zdsm_vice = smv_i(zji,zjj,jl1) * zworka(zji,zjj) |
---|
| 849 | smv_i(zji,zjj,jl1) = smv_i(zji,zjj,jl1) - zdsm_vice |
---|
| 850 | smv_i(zji,zjj,jl2) = smv_i(zji,zjj,jl2) + zdsm_vice |
---|
| 851 | |
---|
| 852 | !--------------------- |
---|
| 853 | ! Surface temperature |
---|
| 854 | !--------------------- |
---|
| 855 | |
---|
| 856 | zdaTsf = t_su(zji,zjj,jl1) * zdaice(zji,zjj,jl) |
---|
| 857 | zaTsfn(zji,zjj,jl1) = zaTsfn(zji,zjj,jl1) - zdaTsf |
---|
| 858 | zaTsfn(zji,zjj,jl2) = zaTsfn(zji,zjj,jl2) + zdaTsf |
---|
| 859 | |
---|
| 860 | END DO ! ji |
---|
| 861 | |
---|
| 862 | !------------------ |
---|
| 863 | ! Ice heat content |
---|
| 864 | !------------------ |
---|
| 865 | |
---|
| 866 | DO jk = 1, nlay_i |
---|
[868] | 867 | !CDIR NODEP |
---|
[825] | 868 | DO ji = 1, nbrem |
---|
| 869 | zji = nind_i(ji) |
---|
| 870 | zjj = nind_j(ji) |
---|
| 871 | |
---|
| 872 | jl1 = zdonor(zji,zjj,jl) |
---|
| 873 | IF (jl1 .EQ. jl) THEN |
---|
| 874 | jl2 = jl+1 |
---|
| 875 | ELSE ! n1 = n+1 |
---|
| 876 | jl2 = jl |
---|
| 877 | ENDIF |
---|
| 878 | |
---|
| 879 | zdeice = e_i(zji,zjj,jk,jl1) * zworka(zji,zjj) |
---|
| 880 | e_i(zji,zjj,jk,jl1) = e_i(zji,zjj,jk,jl1) - zdeice |
---|
| 881 | e_i(zji,zjj,jk,jl2) = e_i(zji,zjj,jk,jl2) + zdeice |
---|
| 882 | END DO ! ji |
---|
| 883 | END DO ! jk |
---|
| 884 | |
---|
| 885 | END DO ! boundaries, 1 to ncat-1 |
---|
| 886 | |
---|
| 887 | !----------------------------------------------------------------- |
---|
| 888 | ! Update ice thickness and temperature |
---|
| 889 | !----------------------------------------------------------------- |
---|
| 890 | |
---|
| 891 | DO jl = klbnd, kubnd |
---|
| 892 | DO jj = 1, jpj |
---|
[921] | 893 | DO ji = 1, jpi |
---|
[2715] | 894 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
---|
| 895 | ht_i(ji,jj,jl) = v_i (ji,jj,jl) / a_i(ji,jj,jl) |
---|
[921] | 896 | t_su(ji,jj,jl) = zaTsfn(ji,jj,jl) / a_i(ji,jj,jl) |
---|
[3938] | 897 | zindsn = 1.0 - MAX(0.0,SIGN(1.0,-v_s(ji,jj,jl)+epsi10)) !0 if no ice and 1 if yes |
---|
[921] | 898 | ELSE |
---|
[2715] | 899 | ht_i(ji,jj,jl) = 0._wp |
---|
[921] | 900 | t_su(ji,jj,jl) = rtt |
---|
| 901 | ENDIF |
---|
| 902 | END DO ! ji |
---|
[825] | 903 | END DO ! jj |
---|
| 904 | END DO ! jl |
---|
[2715] | 905 | ! |
---|
[3294] | 906 | CALL wrk_dealloc( jpi,jpj,jpl, zaTsfn ) |
---|
| 907 | CALL wrk_dealloc( jpi,jpj, zworka ) |
---|
| 908 | CALL wrk_dealloc( (jpi+1)*(jpj+1), nind_i, nind_j ) ! integer |
---|
| 909 | ! |
---|
[921] | 910 | END SUBROUTINE lim_itd_shiftice |
---|
[2715] | 911 | |
---|
[825] | 912 | |
---|
[2715] | 913 | SUBROUTINE lim_itd_th_reb( klbnd, kubnd, ntyp ) |
---|
[921] | 914 | !!------------------------------------------------------------------ |
---|
| 915 | !! *** ROUTINE lim_itd_th_reb *** |
---|
[2715] | 916 | !! |
---|
[921] | 917 | !! ** Purpose : rebin - rebins thicknesses into defined categories |
---|
| 918 | !! |
---|
| 919 | !! ** Method : |
---|
| 920 | !!------------------------------------------------------------------ |
---|
[2715] | 921 | INTEGER , INTENT (in) :: klbnd ! Start thickness category index point |
---|
| 922 | INTEGER , INTENT (in) :: kubnd ! End point on which the the computation is applied |
---|
| 923 | INTEGER , INTENT (in) :: ntyp ! number of the ice type involved in the rebinning process |
---|
| 924 | ! |
---|
| 925 | INTEGER :: ji,jj, jl ! dummy loop indices |
---|
| 926 | INTEGER :: zshiftflag ! = .true. if ice must be shifted |
---|
[921] | 927 | CHARACTER (len = 15) :: fieldid |
---|
[825] | 928 | |
---|
[3294] | 929 | INTEGER , POINTER, DIMENSION(:,:,:) :: zdonor ! donor category index |
---|
| 930 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zdaice, zdvice ! ice area and volume transferred |
---|
[825] | 931 | |
---|
[3294] | 932 | REAL(wp), POINTER, DIMENSION(:,:) :: vt_i_init, vt_i_final ! ice volume summed over categories |
---|
| 933 | REAL(wp), POINTER, DIMENSION(:,:) :: vt_s_init, vt_s_final ! snow volume summed over categories |
---|
[2715] | 934 | !!------------------------------------------------------------------ |
---|
[3294] | 935 | |
---|
| 936 | CALL wrk_alloc( jpi,jpj,jpl, zdonor ) ! interger |
---|
| 937 | CALL wrk_alloc( jpi,jpj,jpl, zdaice, zdvice ) |
---|
| 938 | CALL wrk_alloc( jpi,jpj, vt_i_init, vt_i_final, vt_s_init, vt_s_final ) |
---|
[2715] | 939 | ! |
---|
| 940 | IF( con_i ) THEN ! conservation check |
---|
[834] | 941 | CALL lim_column_sum (jpl, v_i, vt_i_init) |
---|
| 942 | CALL lim_column_sum (jpl, v_s, vt_s_init) |
---|
| 943 | ENDIF |
---|
[825] | 944 | |
---|
[921] | 945 | ! |
---|
| 946 | !------------------------------------------------------------------------------ |
---|
| 947 | ! 1) Compute ice thickness. |
---|
| 948 | !------------------------------------------------------------------------------ |
---|
[825] | 949 | DO jl = klbnd, kubnd |
---|
| 950 | DO jj = 1, jpj |
---|
[921] | 951 | DO ji = 1, jpi |
---|
[2715] | 952 | IF( a_i(ji,jj,jl) > epsi10 ) THEN |
---|
[921] | 953 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / a_i(ji,jj,jl) |
---|
| 954 | ELSE |
---|
[2715] | 955 | ht_i(ji,jj,jl) = 0._wp |
---|
[921] | 956 | ENDIF |
---|
[2715] | 957 | END DO |
---|
| 958 | END DO |
---|
| 959 | END DO |
---|
[825] | 960 | |
---|
[921] | 961 | !------------------------------------------------------------------------------ |
---|
| 962 | ! 2) Make sure thickness of cat klbnd is at least hi_max_typ(klbnd) |
---|
| 963 | !------------------------------------------------------------------------------ |
---|
[825] | 964 | DO jj = 1, jpj |
---|
[921] | 965 | DO ji = 1, jpi |
---|
[2715] | 966 | IF( a_i(ji,jj,klbnd) > epsi10 ) THEN |
---|
| 967 | IF( ht_i(ji,jj,klbnd) <= hi_max_typ(0,ntyp) .AND. hi_max_typ(0,ntyp) > 0._wp ) THEN |
---|
[921] | 968 | a_i(ji,jj,klbnd) = v_i(ji,jj,klbnd) / hi_max_typ(0,ntyp) |
---|
| 969 | ht_i(ji,jj,klbnd) = hi_max_typ(0,ntyp) |
---|
| 970 | ENDIF |
---|
[825] | 971 | ENDIF |
---|
[2715] | 972 | END DO |
---|
| 973 | END DO |
---|
[825] | 974 | |
---|
[921] | 975 | !------------------------------------------------------------------------------ |
---|
| 976 | ! 3) If a category thickness is not in bounds, shift the |
---|
| 977 | ! entire area, volume, and energy to the neighboring category |
---|
| 978 | !------------------------------------------------------------------------------ |
---|
[825] | 979 | !------------------------- |
---|
| 980 | ! Initialize shift arrays |
---|
| 981 | !------------------------- |
---|
| 982 | DO jl = klbnd, kubnd |
---|
[2715] | 983 | zdonor(:,:,jl) = 0 |
---|
| 984 | zdaice(:,:,jl) = 0._wp |
---|
| 985 | zdvice(:,:,jl) = 0._wp |
---|
[825] | 986 | END DO |
---|
| 987 | |
---|
| 988 | !------------------------- |
---|
| 989 | ! Move thin categories up |
---|
| 990 | !------------------------- |
---|
| 991 | |
---|
| 992 | DO jl = klbnd, kubnd - 1 ! loop over category boundaries |
---|
| 993 | |
---|
[921] | 994 | !--------------------------------------- |
---|
| 995 | ! identify thicknesses that are too big |
---|
| 996 | !--------------------------------------- |
---|
[869] | 997 | zshiftflag = 0 |
---|
[825] | 998 | |
---|
| 999 | DO jj = 1, jpj |
---|
| 1000 | DO ji = 1, jpi |
---|
[2715] | 1001 | IF( a_i(ji,jj,jl) > epsi10 .AND. ht_i(ji,jj,jl) > hi_max(jl) ) THEN |
---|
[869] | 1002 | zshiftflag = 1 |
---|
[825] | 1003 | zdonor(ji,jj,jl) = jl |
---|
| 1004 | zdaice(ji,jj,jl) = a_i(ji,jj,jl) |
---|
| 1005 | zdvice(ji,jj,jl) = v_i(ji,jj,jl) |
---|
[3938] | 1006 | ! begin TECLIM change |
---|
| 1007 | ! zdaice(ji,jj,jl) = a_i(ji,jj,jl) |
---|
| 1008 | ! zdvice(ji,jj,jl) = v_i(ji,jj,jl) |
---|
| 1009 | zdaice(ji,jj,jl) = a_i(ji,jj,jl)/2 |
---|
| 1010 | zdvice(ji,jj,jl) = v_i(ji,jj,jl)-zdaice(ji,jj,jl)*(hi_max(jl)+hi_max(jl-1))/2 |
---|
| 1011 | ! end TECLIM change |
---|
[825] | 1012 | ENDIF |
---|
| 1013 | END DO ! ji |
---|
| 1014 | END DO ! jj |
---|
[2715] | 1015 | IF(lk_mpp) CALL mpp_max( zshiftflag ) |
---|
[825] | 1016 | |
---|
[2715] | 1017 | IF( zshiftflag == 1 ) THEN ! Shift ice between categories |
---|
| 1018 | CALL lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
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[921] | 1019 | ! Reset shift parameters |
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[2715] | 1020 | zdonor(:,:,jl) = 0 |
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| 1021 | zdaice(:,:,jl) = 0._wp |
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| 1022 | zdvice(:,:,jl) = 0._wp |
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| 1023 | ENDIF |
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| 1024 | ! |
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[825] | 1025 | END DO ! jl |
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| 1026 | |
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| 1027 | !---------------------------- |
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| 1028 | ! Move thick categories down |
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| 1029 | !---------------------------- |
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| 1030 | |
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| 1031 | DO jl = kubnd - 1, 1, -1 ! loop over category boundaries |
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| 1032 | |
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[921] | 1033 | !----------------------------------------- |
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| 1034 | ! Identify thicknesses that are too small |
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| 1035 | !----------------------------------------- |
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[869] | 1036 | zshiftflag = 0 |
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[825] | 1037 | |
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| 1038 | DO jj = 1, jpj |
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| 1039 | DO ji = 1, jpi |
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[2715] | 1040 | IF( a_i(ji,jj,jl+1) > epsi10 .AND. & |
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| 1041 | ht_i(ji,jj,jl+1) <= hi_max(jl) ) THEN |
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| 1042 | ! |
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[869] | 1043 | zshiftflag = 1 |
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[825] | 1044 | zdonor(ji,jj,jl) = jl + 1 |
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| 1045 | zdaice(ji,jj,jl) = a_i(ji,jj,jl+1) |
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| 1046 | zdvice(ji,jj,jl) = v_i(ji,jj,jl+1) |
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| 1047 | ENDIF |
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| 1048 | END DO ! ji |
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| 1049 | END DO ! jj |
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| 1050 | |
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[2715] | 1051 | IF(lk_mpp) CALL mpp_max( zshiftflag ) |
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| 1052 | |
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| 1053 | IF( zshiftflag == 1 ) THEN ! Shift ice between categories |
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| 1054 | CALL lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
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[921] | 1055 | ! Reset shift parameters |
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[2715] | 1056 | zdonor(:,:,jl) = 0 |
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| 1057 | zdaice(:,:,jl) = 0._wp |
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| 1058 | zdvice(:,:,jl) = 0._wp |
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| 1059 | ENDIF |
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[825] | 1060 | |
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| 1061 | END DO ! jl |
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| 1062 | |
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[921] | 1063 | !------------------------------------------------------------------------------ |
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| 1064 | ! 4) Conservation check |
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| 1065 | !------------------------------------------------------------------------------ |
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[825] | 1066 | |
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[2715] | 1067 | IF( con_i ) THEN |
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[921] | 1068 | CALL lim_column_sum (jpl, v_i, vt_i_final) |
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| 1069 | fieldid = ' v_i : limitd_reb ' |
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| 1070 | CALL lim_cons_check (vt_i_init, vt_i_final, 1.0e-6, fieldid) |
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[825] | 1071 | |
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[921] | 1072 | CALL lim_column_sum (jpl, v_s, vt_s_final) |
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| 1073 | fieldid = ' v_s : limitd_reb ' |
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| 1074 | CALL lim_cons_check (vt_s_init, vt_s_final, 1.0e-6, fieldid) |
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| 1075 | ENDIF |
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[2715] | 1076 | ! |
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[3294] | 1077 | CALL wrk_dealloc( jpi,jpj,jpl, zdonor ) ! interger |
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| 1078 | CALL wrk_dealloc( jpi,jpj,jpl, zdaice, zdvice ) |
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| 1079 | CALL wrk_dealloc( jpi,jpj, vt_i_init, vt_i_final, vt_s_init, vt_s_final ) |
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| 1080 | |
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[921] | 1081 | END SUBROUTINE lim_itd_th_reb |
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[825] | 1082 | |
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| 1083 | #else |
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[2715] | 1084 | !!---------------------------------------------------------------------- |
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| 1085 | !! Default option Dummy module NO LIM sea-ice model |
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| 1086 | !!---------------------------------------------------------------------- |
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[825] | 1087 | CONTAINS |
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| 1088 | SUBROUTINE lim_itd_th ! Empty routines |
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| 1089 | END SUBROUTINE lim_itd_th |
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| 1090 | SUBROUTINE lim_itd_th_ini |
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| 1091 | END SUBROUTINE lim_itd_th_ini |
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| 1092 | SUBROUTINE lim_itd_th_rem |
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| 1093 | END SUBROUTINE lim_itd_th_rem |
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| 1094 | SUBROUTINE lim_itd_fitline |
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| 1095 | END SUBROUTINE lim_itd_fitline |
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| 1096 | SUBROUTINE lim_itd_shiftice |
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| 1097 | END SUBROUTINE lim_itd_shiftice |
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| 1098 | SUBROUTINE lim_itd_th_reb |
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| 1099 | END SUBROUTINE lim_itd_th_reb |
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| 1100 | #endif |
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[2715] | 1101 | !!====================================================================== |
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[921] | 1102 | END MODULE limitd_th |
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