[825] | 1 | MODULE limitd_th |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limitd_th *** |
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[3625] | 4 | !! LIM3 ice model : ice thickness distribution: Thermodynamics |
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[825] | 5 | !!====================================================================== |
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[2715] | 6 | !! History : - ! (W. H. Lipscomb and E.C. Hunke) CICE (c) original code |
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| 7 | !! 3.0 ! 2005-12 (M. Vancoppenolle) adaptation to LIM-3 |
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[4869] | 8 | !! - ! 2006-06 (M. Vancoppenolle) adaptation to include salt, age |
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[2715] | 9 | !! - ! 2007-04 (M. Vancoppenolle) Mass conservation checked |
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| 10 | !!---------------------------------------------------------------------- |
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[2528] | 11 | #if defined key_lim3 |
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[825] | 12 | !!---------------------------------------------------------------------- |
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[2528] | 13 | !! 'key_lim3' : LIM3 sea-ice model |
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| 14 | !!---------------------------------------------------------------------- |
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[2715] | 15 | !! lim_itd_th_rem : |
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| 16 | !! lim_itd_th_reb : |
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| 17 | !! lim_itd_fitline : |
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| 18 | !! lim_itd_shiftice : |
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[2528] | 19 | !!---------------------------------------------------------------------- |
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[4161] | 20 | USE par_oce ! ocean parameters |
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| 21 | USE dom_oce ! ocean domain |
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| 22 | USE phycst ! physical constants (ocean directory) |
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| 23 | USE thd_ice ! LIM-3 thermodynamic variables |
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| 24 | USE ice ! LIM-3 variables |
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| 25 | USE limvar ! LIM-3 variables |
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| 26 | USE prtctl ! Print control |
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| 27 | USE in_out_manager ! I/O manager |
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| 28 | USE lib_mpp ! MPP library |
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| 29 | USE lib_fortran ! to use key_nosignedzero |
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[5123] | 30 | USE limcons ! conservation tests |
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[921] | 31 | |
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[825] | 32 | IMPLICIT NONE |
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| 33 | PRIVATE |
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| 34 | |
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[2715] | 35 | PUBLIC lim_itd_th_rem |
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| 36 | PUBLIC lim_itd_th_reb |
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[825] | 37 | |
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| 38 | !!---------------------------------------------------------------------- |
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[4161] | 39 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2010) |
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[1156] | 40 | !! $Id$ |
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[2715] | 41 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[825] | 42 | !!---------------------------------------------------------------------- |
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| 43 | CONTAINS |
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| 44 | |
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[4869] | 45 | SUBROUTINE lim_itd_th_rem( klbnd, kubnd, kt ) |
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[921] | 46 | !!------------------------------------------------------------------ |
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| 47 | !! *** ROUTINE lim_itd_th_rem *** |
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| 48 | !! |
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[2715] | 49 | !! ** Purpose : computes the redistribution of ice thickness |
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| 50 | !! after thermodynamic growth of ice thickness |
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| 51 | !! |
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[921] | 52 | !! ** Method : Linear remapping |
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| 53 | !! |
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[2715] | 54 | !! References : W.H. Lipscomb, JGR 2001 |
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[921] | 55 | !!------------------------------------------------------------------ |
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[2715] | 56 | INTEGER , INTENT (in) :: klbnd ! Start thickness category index point |
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| 57 | INTEGER , INTENT (in) :: kubnd ! End point on which the the computation is applied |
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| 58 | INTEGER , INTENT (in) :: kt ! Ocean time step |
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| 59 | ! |
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| 60 | INTEGER :: ji, jj, jl ! dummy loop index |
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[4161] | 61 | INTEGER :: ii, ij ! 2D corresponding indices to ji |
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| 62 | INTEGER :: nd ! local integer |
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[2715] | 63 | REAL(wp) :: zx1, zwk1, zdh0, zetamin, zdamax ! local scalars |
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[4161] | 64 | REAL(wp) :: zx2, zwk2, zda0, zetamax ! - - |
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[5123] | 65 | REAL(wp) :: zx3 |
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[2715] | 66 | CHARACTER (len = 15) :: fieldid |
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[825] | 67 | |
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[7910] | 68 | INTEGER , DIMENSION(jpi,jpj,jpl-1) :: zdonor ! donor category index |
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[825] | 69 | |
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[7910] | 70 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zdhice ! ice thickness increment |
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| 71 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: g0 ! coefficients for fitting the line of the ITD |
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| 72 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: g1 ! coefficients for fitting the line of the ITD |
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| 73 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: hL ! left boundary for the ITD for each thickness |
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| 74 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: hR ! left boundary for the ITD for each thickness |
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| 75 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zht_i_b ! old ice thickness |
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| 76 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: dummy_es |
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| 77 | REAL(wp), DIMENSION(jpi,jpj,jpl-1) :: zdaice, zdvice ! local increment of ice area and volume |
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| 78 | REAL(wp), DIMENSION((jpi+1)*(jpj+1)) :: zvetamin, zvetamax ! maximum values for etas |
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| 79 | INTEGER , DIMENSION((jpi+1)*(jpj+1)) :: nind_i, nind_j ! compressed indices for i/j directions |
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[3294] | 80 | INTEGER :: nbrem ! number of cells with ice to transfer |
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| 81 | REAL(wp) :: zslope ! used to compute local thermodynamic "speeds" |
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[7910] | 82 | REAL(wp), DIMENSION(jpi,jpj) :: zhb0, zhb1 ! category boundaries for thinnes categories |
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| 83 | REAL(wp), DIMENSION(jpi,jpj) :: vt_i_init, vt_i_final ! ice volume summed over categories |
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| 84 | REAL(wp), DIMENSION(jpi,jpj) :: vt_s_init, vt_s_final ! snow volume summed over categories |
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| 85 | REAL(wp), DIMENSION(jpi,jpj) :: et_i_init, et_i_final ! ice energy summed over categories |
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| 86 | REAL(wp), DIMENSION(jpi,jpj) :: et_s_init, et_s_final ! snow energy summed over categories |
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| 87 | INTEGER , DIMENSION(jpi,jpj) :: zremap_flag ! compute remapping or not ???? |
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| 88 | REAL(wp), DIMENSION(jpi,jpj,0:jpl) :: zhbnew ! new boundaries of ice categories |
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[3294] | 89 | !!------------------------------------------------------------------ |
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[825] | 90 | |
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| 91 | |
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[921] | 92 | !!---------------------------------------------------------------------------------------------- |
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| 93 | !! 0) Conservation checkand changes in each ice category |
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| 94 | !!---------------------------------------------------------------------------------------------- |
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[2715] | 95 | IF( con_i ) THEN |
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[825] | 96 | CALL lim_column_sum (jpl, v_i, vt_i_init) |
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| 97 | CALL lim_column_sum (jpl, v_s, vt_s_init) |
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| 98 | CALL lim_column_sum_energy (jpl, nlay_i, e_i, et_i_init) |
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[7753] | 99 | dummy_es(:,:,:) = e_s(:,:,1,:) |
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[825] | 100 | CALL lim_column_sum (jpl, dummy_es(:,:,:) , et_s_init) |
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| 101 | ENDIF |
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| 102 | |
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[921] | 103 | !!---------------------------------------------------------------------------------------------- |
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| 104 | !! 1) Compute thickness and changes in each ice category |
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| 105 | !!---------------------------------------------------------------------------------------------- |
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[2715] | 106 | IF( kt == nit000 .AND. lwp) THEN |
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[921] | 107 | WRITE(numout,*) |
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| 108 | WRITE(numout,*) 'lim_itd_th_rem : Remapping the ice thickness distribution' |
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| 109 | WRITE(numout,*) '~~~~~~~~~~~~~~~' |
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| 110 | WRITE(numout,*) ' klbnd : ', klbnd |
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| 111 | WRITE(numout,*) ' kubnd : ', kubnd |
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| 112 | ENDIF |
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[825] | 113 | |
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[7753] | 114 | zdhice(:,:,:) = 0._wp |
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[921] | 115 | DO jl = klbnd, kubnd |
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| 116 | DO jj = 1, jpj |
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| 117 | DO ji = 1, jpi |
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[5134] | 118 | rswitch = MAX( 0.0, SIGN( 1.0, a_i(ji,jj,jl) - epsi10 ) ) !0 if no ice and 1 if yes |
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[4990] | 119 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi10 ) * rswitch |
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[5407] | 120 | rswitch = MAX( 0.0, SIGN( 1.0, a_i_b(ji,jj,jl) - epsi10) ) |
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[4990] | 121 | zht_i_b(ji,jj,jl) = v_i_b(ji,jj,jl) / MAX( a_i_b(ji,jj,jl), epsi10 ) * rswitch |
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[5407] | 122 | IF( a_i(ji,jj,jl) > epsi10 ) zdhice(ji,jj,jl) = ht_i(ji,jj,jl) - zht_i_b(ji,jj,jl) ! clem: useless IF statement? |
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[921] | 123 | END DO |
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| 124 | END DO |
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| 125 | END DO |
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| 126 | |
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| 127 | !----------------------------------------------------------------------------------------------- |
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| 128 | ! 2) Compute fractional ice area in each grid cell |
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| 129 | !----------------------------------------------------------------------------------------------- |
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[7753] | 130 | at_i(:,:) = 0._wp |
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[825] | 131 | DO jl = klbnd, kubnd |
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[7753] | 132 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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[825] | 133 | END DO |
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| 134 | |
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[921] | 135 | !----------------------------------------------------------------------------------------------- |
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| 136 | ! 3) Identify grid cells with ice |
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| 137 | !----------------------------------------------------------------------------------------------- |
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[825] | 138 | nbrem = 0 |
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| 139 | DO jj = 1, jpj |
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| 140 | DO ji = 1, jpi |
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[5123] | 141 | IF ( at_i(ji,jj) > epsi10 ) THEN |
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[825] | 142 | nbrem = nbrem + 1 |
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| 143 | nind_i(nbrem) = ji |
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| 144 | nind_j(nbrem) = jj |
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[3294] | 145 | zremap_flag(ji,jj) = 1 |
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[825] | 146 | ELSE |
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[3294] | 147 | zremap_flag(ji,jj) = 0 |
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[825] | 148 | ENDIF |
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[5123] | 149 | END DO |
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| 150 | END DO |
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[825] | 151 | |
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[921] | 152 | !----------------------------------------------------------------------------------------------- |
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| 153 | ! 4) Compute new category boundaries |
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| 154 | !----------------------------------------------------------------------------------------------- |
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[825] | 155 | !- 4.1 Compute category boundaries |
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[7753] | 156 | zhbnew(:,:,:) = 0._wp |
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[825] | 157 | |
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| 158 | DO jl = klbnd, kubnd - 1 |
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| 159 | DO ji = 1, nbrem |
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[4161] | 160 | ii = nind_i(ji) |
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| 161 | ij = nind_j(ji) |
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[825] | 162 | ! |
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[4688] | 163 | zhbnew(ii,ij,jl) = hi_max(jl) |
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[5407] | 164 | IF ( a_i_b(ii,ij,jl) > epsi10 .AND. a_i_b(ii,ij,jl+1) > epsi10 ) THEN |
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[825] | 165 | !interpolate between adjacent category growth rates |
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[4872] | 166 | zslope = ( zdhice(ii,ij,jl+1) - zdhice(ii,ij,jl) ) / ( zht_i_b(ii,ij,jl+1) - zht_i_b(ii,ij,jl) ) |
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| 167 | zhbnew(ii,ij,jl) = hi_max(jl) + zdhice(ii,ij,jl) + zslope * ( hi_max(jl) - zht_i_b(ii,ij,jl) ) |
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[5407] | 168 | ELSEIF( a_i_b(ii,ij,jl) > epsi10) THEN |
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[4161] | 169 | zhbnew(ii,ij,jl) = hi_max(jl) + zdhice(ii,ij,jl) |
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[5407] | 170 | ELSEIF( a_i_b(ii,ij,jl+1) > epsi10) THEN |
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[4161] | 171 | zhbnew(ii,ij,jl) = hi_max(jl) + zdhice(ii,ij,jl+1) |
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[825] | 172 | ENDIF |
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[2715] | 173 | END DO |
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[825] | 174 | |
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[921] | 175 | !- 4.2 Check that each zhbnew lies between adjacent values of ice thickness |
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[825] | 176 | DO ji = 1, nbrem |
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[4161] | 177 | ii = nind_i(ji) |
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| 178 | ij = nind_j(ji) |
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[5407] | 179 | |
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| 180 | ! clem: we do not want ht_i to be too close to either HR or HL otherwise a division by nearly 0 is possible |
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| 181 | ! in lim_itd_fitline in the case (HR-HL) = 3(Hice - HL) or = 3(HR - Hice) |
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| 182 | IF ( a_i(ii,ij,jl ) > epsi10 .AND. ht_i(ii,ij,jl ) > ( zhbnew(ii,ij,jl) - epsi10 ) ) THEN |
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[4161] | 183 | zremap_flag(ii,ij) = 0 |
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[5407] | 184 | ELSEIF( a_i(ii,ij,jl+1) > epsi10 .AND. ht_i(ii,ij,jl+1) < ( zhbnew(ii,ij,jl) + epsi10 ) ) THEN |
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[4161] | 185 | zremap_flag(ii,ij) = 0 |
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[825] | 186 | ENDIF |
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| 187 | |
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[921] | 188 | !- 4.3 Check that each zhbnew does not exceed maximal values hi_max |
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[5407] | 189 | IF( zhbnew(ii,ij,jl) < hi_max(jl-1) ) zremap_flag(ii,ij) = 0 |
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[4688] | 190 | IF( zhbnew(ii,ij,jl) > hi_max(jl+1) ) zremap_flag(ii,ij) = 0 |
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[5407] | 191 | ! clem bug: why is not the following instead? |
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| 192 | !!IF( zhbnew(ii,ij,jl) < hi_max(jl-1) ) zremap_flag(ii,ij) = 0 |
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| 193 | !!IF( zhbnew(ii,ij,jl) > hi_max(jl ) ) zremap_flag(ii,ij) = 0 |
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| 194 | |
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[4688] | 195 | END DO |
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| 196 | |
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[5123] | 197 | END DO |
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[825] | 198 | |
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[921] | 199 | !----------------------------------------------------------------------------------------------- |
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| 200 | ! 5) Identify cells where ITD is to be remapped |
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| 201 | !----------------------------------------------------------------------------------------------- |
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| 202 | nbrem = 0 |
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| 203 | DO jj = 1, jpj |
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| 204 | DO ji = 1, jpi |
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[4688] | 205 | IF( zremap_flag(ji,jj) == 1 ) THEN |
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[921] | 206 | nbrem = nbrem + 1 |
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| 207 | nind_i(nbrem) = ji |
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| 208 | nind_j(nbrem) = jj |
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| 209 | ENDIF |
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[4688] | 210 | END DO |
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| 211 | END DO |
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[825] | 212 | |
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[921] | 213 | !----------------------------------------------------------------------------------------------- |
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| 214 | ! 6) Fill arrays with lowermost / uppermost boundaries of 'new' categories |
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| 215 | !----------------------------------------------------------------------------------------------- |
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| 216 | DO jj = 1, jpj |
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| 217 | DO ji = 1, jpi |
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[5407] | 218 | zhb0(ji,jj) = hi_max(0) |
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| 219 | zhb1(ji,jj) = hi_max(1) |
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[825] | 220 | |
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[2715] | 221 | IF( a_i(ji,jj,kubnd) > epsi10 ) THEN |
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[5134] | 222 | zhbnew(ji,jj,kubnd) = MAX( hi_max(kubnd-1), 3._wp * ht_i(ji,jj,kubnd) - 2._wp * zhbnew(ji,jj,kubnd-1) ) |
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[921] | 223 | ELSE |
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[5407] | 224 | !clem bug zhbnew(ji,jj,kubnd) = hi_max(kubnd) |
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| 225 | zhbnew(ji,jj,kubnd) = hi_max(kubnd-1) ! not used anyway |
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[921] | 226 | ENDIF |
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[825] | 227 | |
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[5407] | 228 | ! clem: we do not want ht_i_b to be too close to either HR or HL otherwise a division by nearly 0 is possible |
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| 229 | ! in lim_itd_fitline in the case (HR-HL) = 3(Hice - HL) or = 3(HR - Hice) |
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| 230 | IF ( zht_i_b(ji,jj,klbnd) < ( zhb0(ji,jj) + epsi10 ) ) THEN |
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| 231 | zremap_flag(ji,jj) = 0 |
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| 232 | ELSEIF( zht_i_b(ji,jj,klbnd) > ( zhb1(ji,jj) - epsi10 ) ) THEN |
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| 233 | zremap_flag(ji,jj) = 0 |
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| 234 | ENDIF |
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| 235 | |
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[5134] | 236 | END DO |
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| 237 | END DO |
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[825] | 238 | |
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[921] | 239 | !----------------------------------------------------------------------------------------------- |
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| 240 | ! 7) Compute g(h) |
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| 241 | !----------------------------------------------------------------------------------------------- |
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| 242 | !- 7.1 g(h) for category 1 at start of time step |
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[5123] | 243 | CALL lim_itd_fitline( klbnd, zhb0, zhb1, zht_i_b(:,:,klbnd), g0(:,:,klbnd), g1(:,:,klbnd), hL(:,:,klbnd), & |
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[2715] | 244 | & hR(:,:,klbnd), zremap_flag ) |
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[825] | 245 | |
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[921] | 246 | !- 7.2 Area lost due to melting of thin ice (first category, klbnd) |
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| 247 | DO ji = 1, nbrem |
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[4161] | 248 | ii = nind_i(ji) |
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| 249 | ij = nind_j(ji) |
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[825] | 250 | |
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[5123] | 251 | IF( a_i(ii,ij,klbnd) > epsi10 ) THEN |
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[5407] | 252 | |
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[4161] | 253 | zdh0 = zdhice(ii,ij,klbnd) !decrease of ice thickness in the lower category |
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[5407] | 254 | |
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| 255 | IF( zdh0 < 0.0 ) THEN !remove area from category 1 |
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[5123] | 256 | zdh0 = MIN( -zdh0, hi_max(klbnd) ) |
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[921] | 257 | !Integrate g(1) from 0 to dh0 to estimate area melted |
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[5123] | 258 | zetamax = MIN( zdh0, hR(ii,ij,klbnd) ) - hL(ii,ij,klbnd) |
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[5407] | 259 | |
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[5123] | 260 | IF( zetamax > 0.0 ) THEN |
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[5407] | 261 | zx1 = zetamax |
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| 262 | zx2 = 0.5 * zetamax * zetamax |
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| 263 | zda0 = g1(ii,ij,klbnd) * zx2 + g0(ii,ij,klbnd) * zx1 ! ice area removed |
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| 264 | zdamax = a_i(ii,ij,klbnd) * (1.0 - ht_i(ii,ij,klbnd) / zht_i_b(ii,ij,klbnd) ) ! Constrain new thickness <= ht_i |
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| 265 | zda0 = MIN( zda0, zdamax ) ! ice area lost due to melting |
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| 266 | ! of thin ice (zdamax > 0) |
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[921] | 267 | ! Remove area, conserving volume |
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[5123] | 268 | ht_i(ii,ij,klbnd) = ht_i(ii,ij,klbnd) * a_i(ii,ij,klbnd) / ( a_i(ii,ij,klbnd) - zda0 ) |
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[4161] | 269 | a_i(ii,ij,klbnd) = a_i(ii,ij,klbnd) - zda0 |
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[5123] | 270 | v_i(ii,ij,klbnd) = a_i(ii,ij,klbnd) * ht_i(ii,ij,klbnd) ! clem-useless ? |
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| 271 | ENDIF |
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[825] | 272 | |
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[5407] | 273 | ELSE ! if ice accretion zdh0 > 0 |
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| 274 | ! zhbnew was 0, and is shifted to the right to account for thin ice growth in openwater (F0 = f1) |
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[5123] | 275 | zhbnew(ii,ij,klbnd-1) = MIN( zdh0, hi_max(klbnd) ) |
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[5407] | 276 | ENDIF |
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[825] | 277 | |
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[5407] | 278 | ENDIF |
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[825] | 279 | |
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[5134] | 280 | END DO |
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[825] | 281 | |
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[921] | 282 | !- 7.3 g(h) for each thickness category |
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| 283 | DO jl = klbnd, kubnd |
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[5123] | 284 | CALL lim_itd_fitline( jl, zhbnew(:,:,jl-1), zhbnew(:,:,jl), ht_i(:,:,jl), & |
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| 285 | & g0(:,:,jl), g1(:,:,jl), hL(:,:,jl), hR(:,:,jl), zremap_flag ) |
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[921] | 286 | END DO |
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[825] | 287 | |
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[921] | 288 | !----------------------------------------------------------------------------------------------- |
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| 289 | ! 8) Compute area and volume to be shifted across each boundary |
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| 290 | !----------------------------------------------------------------------------------------------- |
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[825] | 291 | |
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[921] | 292 | DO jl = klbnd, kubnd - 1 |
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| 293 | DO jj = 1, jpj |
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| 294 | DO ji = 1, jpi |
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| 295 | zdonor(ji,jj,jl) = 0 |
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| 296 | zdaice(ji,jj,jl) = 0.0 |
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| 297 | zdvice(ji,jj,jl) = 0.0 |
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| 298 | END DO |
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| 299 | END DO |
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[825] | 300 | |
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[921] | 301 | DO ji = 1, nbrem |
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[4161] | 302 | ii = nind_i(ji) |
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| 303 | ij = nind_j(ji) |
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[825] | 304 | |
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[5123] | 305 | IF (zhbnew(ii,ij,jl) > hi_max(jl)) THEN ! transfer from jl to jl+1 |
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[921] | 306 | ! left and right integration limits in eta space |
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[5123] | 307 | zvetamin(ji) = MAX( hi_max(jl), hL(ii,ij,jl) ) - hL(ii,ij,jl) |
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[5407] | 308 | zvetamax(ji) = MIN( zhbnew(ii,ij,jl), hR(ii,ij,jl) ) - hL(ii,ij,jl) |
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[4161] | 309 | zdonor(ii,ij,jl) = jl |
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[825] | 310 | |
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[5407] | 311 | ELSE ! zhbnew(jl) <= hi_max(jl) ; transfer from jl+1 to jl |
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[921] | 312 | ! left and right integration limits in eta space |
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| 313 | zvetamin(ji) = 0.0 |
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[5123] | 314 | zvetamax(ji) = MIN( hi_max(jl), hR(ii,ij,jl+1) ) - hL(ii,ij,jl+1) |
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[4161] | 315 | zdonor(ii,ij,jl) = jl + 1 |
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[825] | 316 | |
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[5407] | 317 | ENDIF |
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[825] | 318 | |
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[5123] | 319 | zetamax = MAX( zvetamax(ji), zvetamin(ji) ) ! no transfer if etamax < etamin |
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[921] | 320 | zetamin = zvetamin(ji) |
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[825] | 321 | |
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[921] | 322 | zx1 = zetamax - zetamin |
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[5123] | 323 | zwk1 = zetamin * zetamin |
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| 324 | zwk2 = zetamax * zetamax |
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| 325 | zx2 = 0.5 * ( zwk2 - zwk1 ) |
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[921] | 326 | zwk1 = zwk1 * zetamin |
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| 327 | zwk2 = zwk2 * zetamax |
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[5123] | 328 | zx3 = 1.0 / 3.0 * ( zwk2 - zwk1 ) |
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[4161] | 329 | nd = zdonor(ii,ij,jl) |
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| 330 | zdaice(ii,ij,jl) = g1(ii,ij,nd)*zx2 + g0(ii,ij,nd)*zx1 |
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[4688] | 331 | zdvice(ii,ij,jl) = g1(ii,ij,nd)*zx3 + g0(ii,ij,nd)*zx2 + zdaice(ii,ij,jl)*hL(ii,ij,nd) |
---|
[921] | 332 | |
---|
[5123] | 333 | END DO |
---|
[5407] | 334 | END DO |
---|
[921] | 335 | |
---|
| 336 | !!---------------------------------------------------------------------------------------------- |
---|
| 337 | !! 9) Shift ice between categories |
---|
| 338 | !!---------------------------------------------------------------------------------------------- |
---|
| 339 | CALL lim_itd_shiftice ( klbnd, kubnd, zdonor, zdaice, zdvice ) |
---|
| 340 | |
---|
| 341 | !!---------------------------------------------------------------------------------------------- |
---|
| 342 | !! 10) Make sure ht_i >= minimum ice thickness hi_min |
---|
| 343 | !!---------------------------------------------------------------------------------------------- |
---|
| 344 | |
---|
| 345 | DO ji = 1, nbrem |
---|
[4161] | 346 | ii = nind_i(ji) |
---|
| 347 | ij = nind_j(ji) |
---|
[5123] | 348 | IF ( a_i(ii,ij,1) > epsi10 .AND. ht_i(ii,ij,1) < rn_himin ) THEN |
---|
[5134] | 349 | a_i (ii,ij,1) = a_i(ii,ij,1) * ht_i(ii,ij,1) / rn_himin |
---|
[5123] | 350 | ht_i(ii,ij,1) = rn_himin |
---|
[921] | 351 | ENDIF |
---|
[5123] | 352 | END DO |
---|
[921] | 353 | |
---|
| 354 | !!---------------------------------------------------------------------------------------------- |
---|
| 355 | !! 11) Conservation check |
---|
| 356 | !!---------------------------------------------------------------------------------------------- |
---|
[825] | 357 | IF ( con_i ) THEN |
---|
| 358 | CALL lim_column_sum (jpl, v_i, vt_i_final) |
---|
| 359 | fieldid = ' v_i : limitd_th ' |
---|
| 360 | CALL lim_cons_check (vt_i_init, vt_i_final, 1.0e-6, fieldid) |
---|
| 361 | |
---|
| 362 | CALL lim_column_sum_energy (jpl, nlay_i, e_i, et_i_final) |
---|
| 363 | fieldid = ' e_i : limitd_th ' |
---|
| 364 | CALL lim_cons_check (et_i_init, et_i_final, 1.0e-3, fieldid) |
---|
| 365 | |
---|
| 366 | CALL lim_column_sum (jpl, v_s, vt_s_final) |
---|
| 367 | fieldid = ' v_s : limitd_th ' |
---|
| 368 | CALL lim_cons_check (vt_s_init, vt_s_final, 1.0e-6, fieldid) |
---|
| 369 | |
---|
[7753] | 370 | dummy_es(:,:,:) = e_s(:,:,1,:) |
---|
[825] | 371 | CALL lim_column_sum (jpl, dummy_es(:,:,:) , et_s_final) |
---|
| 372 | fieldid = ' e_s : limitd_th ' |
---|
| 373 | CALL lim_cons_check (et_s_init, et_s_final, 1.0e-3, fieldid) |
---|
| 374 | ENDIF |
---|
| 375 | |
---|
[3294] | 376 | |
---|
[921] | 377 | END SUBROUTINE lim_itd_th_rem |
---|
[825] | 378 | |
---|
| 379 | |
---|
[5123] | 380 | SUBROUTINE lim_itd_fitline( num_cat, HbL, Hbr, hice, g0, g1, hL, hR, zremap_flag ) |
---|
[921] | 381 | !!------------------------------------------------------------------ |
---|
| 382 | !! *** ROUTINE lim_itd_fitline *** |
---|
| 383 | !! |
---|
[2715] | 384 | !! ** Purpose : fit g(h) with a line using area, volume constraints |
---|
[921] | 385 | !! |
---|
[2715] | 386 | !! ** Method : Fit g(h) with a line, satisfying area and volume constraints. |
---|
| 387 | !! To reduce roundoff errors caused by large values of g0 and g1, |
---|
| 388 | !! we actually compute g(eta), where eta = h - hL, and hL is the |
---|
| 389 | !! left boundary. |
---|
[921] | 390 | !!------------------------------------------------------------------ |
---|
[2715] | 391 | INTEGER , INTENT(in ) :: num_cat ! category index |
---|
| 392 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: HbL, HbR ! left and right category boundaries |
---|
| 393 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: hice ! ice thickness |
---|
| 394 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: g0, g1 ! coefficients in linear equation for g(eta) |
---|
| 395 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: hL ! min value of range over which g(h) > 0 |
---|
| 396 | REAL(wp), DIMENSION(jpi,jpj), INTENT( out) :: hR ! max value of range over which g(h) > 0 |
---|
[3294] | 397 | INTEGER , DIMENSION(jpi,jpj), INTENT(in ) :: zremap_flag ! |
---|
[2715] | 398 | ! |
---|
[5407] | 399 | INTEGER :: ji,jj ! horizontal indices |
---|
[2715] | 400 | REAL(wp) :: zh13 ! HbL + 1/3 * (HbR - HbL) |
---|
| 401 | REAL(wp) :: zh23 ! HbL + 2/3 * (HbR - HbL) |
---|
| 402 | REAL(wp) :: zdhr ! 1 / (hR - hL) |
---|
| 403 | REAL(wp) :: zwk1, zwk2 ! temporary variables |
---|
| 404 | !!------------------------------------------------------------------ |
---|
| 405 | ! |
---|
[825] | 406 | DO jj = 1, jpj |
---|
| 407 | DO ji = 1, jpi |
---|
[2715] | 408 | ! |
---|
[4333] | 409 | IF( zremap_flag(ji,jj) == 1 .AND. a_i(ji,jj,num_cat) > epsi10 & |
---|
[5407] | 410 | & .AND. hice(ji,jj) > 0._wp ) THEN |
---|
[825] | 411 | |
---|
[921] | 412 | ! Initialize hL and hR |
---|
[825] | 413 | hL(ji,jj) = HbL(ji,jj) |
---|
| 414 | hR(ji,jj) = HbR(ji,jj) |
---|
| 415 | |
---|
[921] | 416 | ! Change hL or hR if hice falls outside central third of range |
---|
[5123] | 417 | zh13 = 1.0 / 3.0 * ( 2.0 * hL(ji,jj) + hR(ji,jj) ) |
---|
| 418 | zh23 = 1.0 / 3.0 * ( hL(ji,jj) + 2.0 * hR(ji,jj) ) |
---|
[825] | 419 | |
---|
[2715] | 420 | IF ( hice(ji,jj) < zh13 ) THEN ; hR(ji,jj) = 3._wp * hice(ji,jj) - 2._wp * hL(ji,jj) |
---|
| 421 | ELSEIF( hice(ji,jj) > zh23 ) THEN ; hL(ji,jj) = 3._wp * hice(ji,jj) - 2._wp * hR(ji,jj) |
---|
[825] | 422 | ENDIF |
---|
| 423 | |
---|
[921] | 424 | ! Compute coefficients of g(eta) = g0 + g1*eta |
---|
[2715] | 425 | zdhr = 1._wp / (hR(ji,jj) - hL(ji,jj)) |
---|
| 426 | zwk1 = 6._wp * a_i(ji,jj,num_cat) * zdhr |
---|
| 427 | zwk2 = ( hice(ji,jj) - hL(ji,jj) ) * zdhr |
---|
[5123] | 428 | g0(ji,jj) = zwk1 * ( 2._wp / 3._wp - zwk2 ) |
---|
| 429 | g1(ji,jj) = 2._wp * zdhr * zwk1 * ( zwk2 - 0.5 ) |
---|
[2715] | 430 | ! |
---|
[5407] | 431 | ELSE ! remap_flag = .false. or a_i < epsi10 |
---|
[2715] | 432 | hL(ji,jj) = 0._wp |
---|
| 433 | hR(ji,jj) = 0._wp |
---|
| 434 | g0(ji,jj) = 0._wp |
---|
| 435 | g1(ji,jj) = 0._wp |
---|
[5407] | 436 | ENDIF |
---|
[2715] | 437 | ! |
---|
| 438 | END DO |
---|
| 439 | END DO |
---|
| 440 | ! |
---|
| 441 | END SUBROUTINE lim_itd_fitline |
---|
[825] | 442 | |
---|
| 443 | |
---|
[2715] | 444 | SUBROUTINE lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
---|
[921] | 445 | !!------------------------------------------------------------------ |
---|
| 446 | !! *** ROUTINE lim_itd_shiftice *** |
---|
[2715] | 447 | !! |
---|
| 448 | !! ** Purpose : shift ice across category boundaries, conserving everything |
---|
[921] | 449 | !! ( area, volume, energy, age*vol, and mass of salt ) |
---|
| 450 | !! |
---|
| 451 | !! ** Method : |
---|
| 452 | !!------------------------------------------------------------------ |
---|
[3294] | 453 | INTEGER , INTENT(in ) :: klbnd ! Start thickness category index point |
---|
| 454 | INTEGER , INTENT(in ) :: kubnd ! End point on which the the computation is applied |
---|
[2715] | 455 | INTEGER , DIMENSION(jpi,jpj,jpl-1), INTENT(in ) :: zdonor ! donor category index |
---|
| 456 | REAL(wp), DIMENSION(jpi,jpj,jpl-1), INTENT(inout) :: zdaice ! ice area transferred across boundary |
---|
| 457 | REAL(wp), DIMENSION(jpi,jpj,jpl-1), INTENT(inout) :: zdvice ! ice volume transferred across boundary |
---|
[825] | 458 | |
---|
[2715] | 459 | INTEGER :: ji, jj, jl, jl2, jl1, jk ! dummy loop indices |
---|
[5407] | 460 | INTEGER :: ii, ij ! indices when changing from 2D-1D is done |
---|
[825] | 461 | |
---|
[7910] | 462 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zaTsfn |
---|
| 463 | REAL(wp), DIMENSION(jpi,jpj) :: zworka ! temporary array used here |
---|
[825] | 464 | |
---|
[2715] | 465 | REAL(wp) :: zdvsnow, zdesnow ! snow volume and energy transferred |
---|
| 466 | REAL(wp) :: zdeice ! ice energy transferred |
---|
| 467 | REAL(wp) :: zdsm_vice ! ice salinity times volume transferred |
---|
| 468 | REAL(wp) :: zdo_aice ! ice age times volume transferred |
---|
| 469 | REAL(wp) :: zdaTsf ! aicen*Tsfcn transferred |
---|
[825] | 470 | |
---|
[7910] | 471 | INTEGER, DIMENSION((jpi+1)*(jpj+1)) :: nind_i, nind_j ! compressed indices for i/j directions |
---|
[825] | 472 | |
---|
[5407] | 473 | INTEGER :: nbrem ! number of cells with ice to transfer |
---|
[2715] | 474 | !!------------------------------------------------------------------ |
---|
[825] | 475 | |
---|
[3294] | 476 | |
---|
[921] | 477 | !---------------------------------------------------------------------------------------------- |
---|
| 478 | ! 1) Define a variable equal to a_i*T_su |
---|
| 479 | !---------------------------------------------------------------------------------------------- |
---|
[825] | 480 | |
---|
| 481 | DO jl = klbnd, kubnd |
---|
[7753] | 482 | zaTsfn(:,:,jl) = a_i(:,:,jl) * t_su(:,:,jl) |
---|
[2715] | 483 | END DO |
---|
[825] | 484 | |
---|
[921] | 485 | !------------------------------------------------------------------------------- |
---|
[5407] | 486 | ! 2) Transfer volume and energy between categories |
---|
[921] | 487 | !------------------------------------------------------------------------------- |
---|
[825] | 488 | |
---|
| 489 | DO jl = klbnd, kubnd - 1 |
---|
| 490 | nbrem = 0 |
---|
| 491 | DO jj = 1, jpj |
---|
| 492 | DO ji = 1, jpi |
---|
[5123] | 493 | IF (zdaice(ji,jj,jl) > 0.0 ) THEN ! daice(n) can be < puny |
---|
[825] | 494 | nbrem = nbrem + 1 |
---|
| 495 | nind_i(nbrem) = ji |
---|
| 496 | nind_j(nbrem) = jj |
---|
[5123] | 497 | ENDIF |
---|
[825] | 498 | END DO |
---|
| 499 | END DO |
---|
| 500 | |
---|
| 501 | DO ji = 1, nbrem |
---|
[4161] | 502 | ii = nind_i(ji) |
---|
| 503 | ij = nind_j(ji) |
---|
[825] | 504 | |
---|
[4161] | 505 | jl1 = zdonor(ii,ij,jl) |
---|
[5407] | 506 | rswitch = MAX( 0._wp , SIGN( 1._wp , v_i(ii,ij,jl1) - epsi10 ) ) |
---|
| 507 | zworka(ii,ij) = zdvice(ii,ij,jl) / MAX( v_i(ii,ij,jl1), epsi10 ) * rswitch |
---|
[2715] | 508 | IF( jl1 == jl) THEN ; jl2 = jl1+1 |
---|
[5123] | 509 | ELSE ; jl2 = jl |
---|
[825] | 510 | ENDIF |
---|
| 511 | |
---|
| 512 | !-------------- |
---|
| 513 | ! Ice areas |
---|
| 514 | !-------------- |
---|
[4161] | 515 | a_i(ii,ij,jl1) = a_i(ii,ij,jl1) - zdaice(ii,ij,jl) |
---|
| 516 | a_i(ii,ij,jl2) = a_i(ii,ij,jl2) + zdaice(ii,ij,jl) |
---|
[825] | 517 | |
---|
| 518 | !-------------- |
---|
| 519 | ! Ice volumes |
---|
| 520 | !-------------- |
---|
[4161] | 521 | v_i(ii,ij,jl1) = v_i(ii,ij,jl1) - zdvice(ii,ij,jl) |
---|
| 522 | v_i(ii,ij,jl2) = v_i(ii,ij,jl2) + zdvice(ii,ij,jl) |
---|
[825] | 523 | |
---|
| 524 | !-------------- |
---|
| 525 | ! Snow volumes |
---|
| 526 | !-------------- |
---|
[4688] | 527 | zdvsnow = v_s(ii,ij,jl1) * zworka(ii,ij) |
---|
[4161] | 528 | v_s(ii,ij,jl1) = v_s(ii,ij,jl1) - zdvsnow |
---|
| 529 | v_s(ii,ij,jl2) = v_s(ii,ij,jl2) + zdvsnow |
---|
[825] | 530 | |
---|
| 531 | !-------------------- |
---|
| 532 | ! Snow heat content |
---|
| 533 | !-------------------- |
---|
[4688] | 534 | zdesnow = e_s(ii,ij,1,jl1) * zworka(ii,ij) |
---|
[4161] | 535 | e_s(ii,ij,1,jl1) = e_s(ii,ij,1,jl1) - zdesnow |
---|
| 536 | e_s(ii,ij,1,jl2) = e_s(ii,ij,1,jl2) + zdesnow |
---|
[825] | 537 | |
---|
| 538 | !-------------- |
---|
| 539 | ! Ice age |
---|
| 540 | !-------------- |
---|
[4688] | 541 | zdo_aice = oa_i(ii,ij,jl1) * zdaice(ii,ij,jl) |
---|
[4161] | 542 | oa_i(ii,ij,jl1) = oa_i(ii,ij,jl1) - zdo_aice |
---|
| 543 | oa_i(ii,ij,jl2) = oa_i(ii,ij,jl2) + zdo_aice |
---|
[825] | 544 | |
---|
| 545 | !-------------- |
---|
| 546 | ! Ice salinity |
---|
| 547 | !-------------- |
---|
[4688] | 548 | zdsm_vice = smv_i(ii,ij,jl1) * zworka(ii,ij) |
---|
[4161] | 549 | smv_i(ii,ij,jl1) = smv_i(ii,ij,jl1) - zdsm_vice |
---|
| 550 | smv_i(ii,ij,jl2) = smv_i(ii,ij,jl2) + zdsm_vice |
---|
[825] | 551 | |
---|
| 552 | !--------------------- |
---|
| 553 | ! Surface temperature |
---|
| 554 | !--------------------- |
---|
[4688] | 555 | zdaTsf = t_su(ii,ij,jl1) * zdaice(ii,ij,jl) |
---|
[4161] | 556 | zaTsfn(ii,ij,jl1) = zaTsfn(ii,ij,jl1) - zdaTsf |
---|
| 557 | zaTsfn(ii,ij,jl2) = zaTsfn(ii,ij,jl2) + zdaTsf |
---|
[825] | 558 | |
---|
[5123] | 559 | END DO |
---|
[825] | 560 | |
---|
| 561 | !------------------ |
---|
| 562 | ! Ice heat content |
---|
| 563 | !------------------ |
---|
| 564 | |
---|
| 565 | DO jk = 1, nlay_i |
---|
| 566 | DO ji = 1, nbrem |
---|
[4161] | 567 | ii = nind_i(ji) |
---|
| 568 | ij = nind_j(ji) |
---|
[825] | 569 | |
---|
[4161] | 570 | jl1 = zdonor(ii,ij,jl) |
---|
[5123] | 571 | IF (jl1 == jl) THEN |
---|
[825] | 572 | jl2 = jl+1 |
---|
| 573 | ELSE ! n1 = n+1 |
---|
| 574 | jl2 = jl |
---|
| 575 | ENDIF |
---|
| 576 | |
---|
[4161] | 577 | zdeice = e_i(ii,ij,jk,jl1) * zworka(ii,ij) |
---|
| 578 | e_i(ii,ij,jk,jl1) = e_i(ii,ij,jk,jl1) - zdeice |
---|
| 579 | e_i(ii,ij,jk,jl2) = e_i(ii,ij,jk,jl2) + zdeice |
---|
[5123] | 580 | END DO |
---|
| 581 | END DO |
---|
[825] | 582 | |
---|
| 583 | END DO ! boundaries, 1 to ncat-1 |
---|
| 584 | |
---|
| 585 | !----------------------------------------------------------------- |
---|
| 586 | ! Update ice thickness and temperature |
---|
| 587 | !----------------------------------------------------------------- |
---|
| 588 | |
---|
| 589 | DO jl = klbnd, kubnd |
---|
| 590 | DO jj = 1, jpj |
---|
[921] | 591 | DO ji = 1, jpi |
---|
[2715] | 592 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
---|
| 593 | ht_i(ji,jj,jl) = v_i (ji,jj,jl) / a_i(ji,jj,jl) |
---|
[921] | 594 | t_su(ji,jj,jl) = zaTsfn(ji,jj,jl) / a_i(ji,jj,jl) |
---|
| 595 | ELSE |
---|
[2715] | 596 | ht_i(ji,jj,jl) = 0._wp |
---|
[5123] | 597 | t_su(ji,jj,jl) = rt0 |
---|
[921] | 598 | ENDIF |
---|
[5123] | 599 | END DO |
---|
| 600 | END DO |
---|
| 601 | END DO |
---|
[2715] | 602 | ! |
---|
[3294] | 603 | ! |
---|
[921] | 604 | END SUBROUTINE lim_itd_shiftice |
---|
[2715] | 605 | |
---|
[825] | 606 | |
---|
[4869] | 607 | SUBROUTINE lim_itd_th_reb( klbnd, kubnd ) |
---|
[921] | 608 | !!------------------------------------------------------------------ |
---|
| 609 | !! *** ROUTINE lim_itd_th_reb *** |
---|
[2715] | 610 | !! |
---|
[921] | 611 | !! ** Purpose : rebin - rebins thicknesses into defined categories |
---|
| 612 | !! |
---|
| 613 | !! ** Method : |
---|
| 614 | !!------------------------------------------------------------------ |
---|
[2715] | 615 | INTEGER , INTENT (in) :: klbnd ! Start thickness category index point |
---|
| 616 | INTEGER , INTENT (in) :: kubnd ! End point on which the the computation is applied |
---|
| 617 | ! |
---|
| 618 | INTEGER :: ji,jj, jl ! dummy loop indices |
---|
| 619 | INTEGER :: zshiftflag ! = .true. if ice must be shifted |
---|
[921] | 620 | CHARACTER (len = 15) :: fieldid |
---|
[825] | 621 | |
---|
[7910] | 622 | INTEGER , DIMENSION(jpi,jpj,jpl) :: zdonor ! donor category index |
---|
| 623 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zdaice, zdvice ! ice area and volume transferred |
---|
[825] | 624 | |
---|
[7910] | 625 | REAL(wp), DIMENSION(jpi,jpj) :: vt_i_init, vt_i_final ! ice volume summed over categories |
---|
| 626 | REAL(wp), DIMENSION(jpi,jpj) :: vt_s_init, vt_s_final ! snow volume summed over categories |
---|
[2715] | 627 | !!------------------------------------------------------------------ |
---|
[3294] | 628 | |
---|
[2715] | 629 | ! |
---|
| 630 | IF( con_i ) THEN ! conservation check |
---|
[834] | 631 | CALL lim_column_sum (jpl, v_i, vt_i_init) |
---|
| 632 | CALL lim_column_sum (jpl, v_s, vt_s_init) |
---|
| 633 | ENDIF |
---|
[825] | 634 | |
---|
[921] | 635 | ! |
---|
| 636 | !------------------------------------------------------------------------------ |
---|
| 637 | ! 1) Compute ice thickness. |
---|
| 638 | !------------------------------------------------------------------------------ |
---|
[825] | 639 | DO jl = klbnd, kubnd |
---|
| 640 | DO jj = 1, jpj |
---|
[921] | 641 | DO ji = 1, jpi |
---|
[5134] | 642 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi10 ) ) |
---|
| 643 | ht_i(ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi10 ) * rswitch |
---|
[2715] | 644 | END DO |
---|
| 645 | END DO |
---|
| 646 | END DO |
---|
[825] | 647 | |
---|
[921] | 648 | !------------------------------------------------------------------------------ |
---|
[5134] | 649 | ! 2) If a category thickness is not in bounds, shift the |
---|
[921] | 650 | ! entire area, volume, and energy to the neighboring category |
---|
| 651 | !------------------------------------------------------------------------------ |
---|
[825] | 652 | !------------------------- |
---|
| 653 | ! Initialize shift arrays |
---|
| 654 | !------------------------- |
---|
| 655 | DO jl = klbnd, kubnd |
---|
[7753] | 656 | zdonor(:,:,jl) = 0 |
---|
| 657 | zdaice(:,:,jl) = 0._wp |
---|
| 658 | zdvice(:,:,jl) = 0._wp |
---|
[825] | 659 | END DO |
---|
| 660 | |
---|
| 661 | !------------------------- |
---|
| 662 | ! Move thin categories up |
---|
| 663 | !------------------------- |
---|
| 664 | |
---|
| 665 | DO jl = klbnd, kubnd - 1 ! loop over category boundaries |
---|
| 666 | |
---|
[921] | 667 | !--------------------------------------- |
---|
| 668 | ! identify thicknesses that are too big |
---|
| 669 | !--------------------------------------- |
---|
[869] | 670 | zshiftflag = 0 |
---|
[825] | 671 | |
---|
| 672 | DO jj = 1, jpj |
---|
| 673 | DO ji = 1, jpi |
---|
[2715] | 674 | IF( a_i(ji,jj,jl) > epsi10 .AND. ht_i(ji,jj,jl) > hi_max(jl) ) THEN |
---|
[869] | 675 | zshiftflag = 1 |
---|
[825] | 676 | zdonor(ji,jj,jl) = jl |
---|
[4161] | 677 | ! begin TECLIM change |
---|
[4293] | 678 | !zdaice(ji,jj,jl) = a_i(ji,jj,jl) * 0.5_wp |
---|
| 679 | !zdvice(ji,jj,jl) = v_i(ji,jj,jl)-zdaice(ji,jj,jl)*(hi_max(jl)+hi_max(jl-1)) * 0.5_wp |
---|
[4161] | 680 | ! end TECLIM change |
---|
[4293] | 681 | ! clem: how much of a_i you send in cat sup is somewhat arbitrary |
---|
[5134] | 682 | zdaice(ji,jj,jl) = a_i(ji,jj,jl) * ( ht_i(ji,jj,jl) - hi_max(jl) + epsi20 ) / ht_i(ji,jj,jl) |
---|
| 683 | zdvice(ji,jj,jl) = v_i(ji,jj,jl) - ( a_i(ji,jj,jl) - zdaice(ji,jj,jl) ) * ( hi_max(jl) - epsi20 ) |
---|
[825] | 684 | ENDIF |
---|
[5123] | 685 | END DO |
---|
| 686 | END DO |
---|
[2715] | 687 | IF(lk_mpp) CALL mpp_max( zshiftflag ) |
---|
[825] | 688 | |
---|
[2715] | 689 | IF( zshiftflag == 1 ) THEN ! Shift ice between categories |
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| 690 | CALL lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
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[921] | 691 | ! Reset shift parameters |
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[7753] | 692 | zdonor(:,:,jl) = 0 |
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| 693 | zdaice(:,:,jl) = 0._wp |
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| 694 | zdvice(:,:,jl) = 0._wp |
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[2715] | 695 | ENDIF |
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| 696 | ! |
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[5134] | 697 | END DO |
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[825] | 698 | |
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| 699 | !---------------------------- |
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| 700 | ! Move thick categories down |
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| 701 | !---------------------------- |
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| 702 | |
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| 703 | DO jl = kubnd - 1, 1, -1 ! loop over category boundaries |
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| 704 | |
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[921] | 705 | !----------------------------------------- |
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| 706 | ! Identify thicknesses that are too small |
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| 707 | !----------------------------------------- |
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[869] | 708 | zshiftflag = 0 |
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[825] | 709 | |
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[4688] | 710 | DO jj = 1, jpj |
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| 711 | DO ji = 1, jpi |
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| 712 | IF( a_i(ji,jj,jl+1) > epsi10 .AND. ht_i(ji,jj,jl+1) <= hi_max(jl) ) THEN |
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[7753] | 713 | ! |
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[4688] | 714 | zshiftflag = 1 |
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| 715 | zdonor(ji,jj,jl) = jl + 1 |
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| 716 | zdaice(ji,jj,jl) = a_i(ji,jj,jl+1) |
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| 717 | zdvice(ji,jj,jl) = v_i(ji,jj,jl+1) |
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| 718 | ENDIF |
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[5123] | 719 | END DO |
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| 720 | END DO |
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[4688] | 721 | |
---|
| 722 | IF(lk_mpp) CALL mpp_max( zshiftflag ) |
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| 723 | |
---|
| 724 | IF( zshiftflag == 1 ) THEN ! Shift ice between categories |
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| 725 | CALL lim_itd_shiftice( klbnd, kubnd, zdonor, zdaice, zdvice ) |
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| 726 | ! Reset shift parameters |
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[7753] | 727 | zdonor(:,:,jl) = 0 |
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| 728 | zdaice(:,:,jl) = 0._wp |
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| 729 | zdvice(:,:,jl) = 0._wp |
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[4688] | 730 | ENDIF |
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| 731 | |
---|
[5123] | 732 | END DO |
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[825] | 733 | |
---|
[921] | 734 | !------------------------------------------------------------------------------ |
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[5134] | 735 | ! 3) Conservation check |
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[921] | 736 | !------------------------------------------------------------------------------ |
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[825] | 737 | |
---|
[2715] | 738 | IF( con_i ) THEN |
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[921] | 739 | CALL lim_column_sum (jpl, v_i, vt_i_final) |
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| 740 | fieldid = ' v_i : limitd_reb ' |
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| 741 | CALL lim_cons_check (vt_i_init, vt_i_final, 1.0e-6, fieldid) |
---|
[825] | 742 | |
---|
[921] | 743 | CALL lim_column_sum (jpl, v_s, vt_s_final) |
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| 744 | fieldid = ' v_s : limitd_reb ' |
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| 745 | CALL lim_cons_check (vt_s_init, vt_s_final, 1.0e-6, fieldid) |
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| 746 | ENDIF |
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[2715] | 747 | ! |
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[3294] | 748 | |
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[921] | 749 | END SUBROUTINE lim_itd_th_reb |
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[825] | 750 | |
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| 751 | #else |
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[2715] | 752 | !!---------------------------------------------------------------------- |
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| 753 | !! Default option Dummy module NO LIM sea-ice model |
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| 754 | !!---------------------------------------------------------------------- |
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[825] | 755 | CONTAINS |
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| 756 | SUBROUTINE lim_itd_th_rem |
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| 757 | END SUBROUTINE lim_itd_th_rem |
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| 758 | SUBROUTINE lim_itd_fitline |
---|
| 759 | END SUBROUTINE lim_itd_fitline |
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| 760 | SUBROUTINE lim_itd_shiftice |
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| 761 | END SUBROUTINE lim_itd_shiftice |
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| 762 | SUBROUTINE lim_itd_th_reb |
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| 763 | END SUBROUTINE lim_itd_th_reb |
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| 764 | #endif |
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[2715] | 765 | !!====================================================================== |
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[921] | 766 | END MODULE limitd_th |
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