[825] | 1 | MODULE limthd |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limthd *** |
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[1572] | 4 | !! LIM-3 : ice thermodynamic |
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[825] | 5 | !!====================================================================== |
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[1572] | 6 | !! History : LIM ! 2000-01 (M.A. Morales Maqueda, H. Goosse, T. Fichefet) LIM-1 |
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| 7 | !! 2.0 ! 2002-07 (C. Ethe, G. Madec) LIM-2 (F90 rewriting) |
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| 8 | !! 3.0 ! 2005-11 (M. Vancoppenolle) LIM-3 : Multi-layer thermodynamics + salinity variations |
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[2528] | 9 | !! - ! 2007-04 (M. Vancoppenolle) add lim_thd_glohec, lim_thd_con_dh and lim_thd_con_dif |
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[4688] | 10 | !! 3.2 ! 2009-07 (M. Vancoppenolle, Y. Aksenov, G. Madec) bug correction in wfx_snw |
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[2528] | 11 | !! 3.3 ! 2010-11 (G. Madec) corrected snow melting heat (due to factor betas) |
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[2715] | 12 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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[4161] | 13 | !! - ! 2012-05 (C. Rousset) add penetration solar flux |
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[1572] | 14 | !!---------------------------------------------------------------------- |
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[825] | 15 | #if defined key_lim3 |
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| 16 | !!---------------------------------------------------------------------- |
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[834] | 17 | !! 'key_lim3' LIM3 sea-ice model |
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[825] | 18 | !!---------------------------------------------------------------------- |
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[3625] | 19 | !! lim_thd : thermodynamic of sea ice |
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| 20 | !! lim_thd_init : initialisation of sea-ice thermodynamic |
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[825] | 21 | !!---------------------------------------------------------------------- |
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[3625] | 22 | USE phycst ! physical constants |
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| 23 | USE dom_oce ! ocean space and time domain variables |
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[7646] | 24 | USE ice ! sea-ice variables |
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[8321] | 25 | USE sbc_oce , ONLY : sst_m, e3t_m, utau, vtau, ssu_m, ssv_m, frq_m, qns_tot, qsr_tot, sprecip, ln_cpl |
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| 26 | USE sbc_ice , ONLY : qsr_oce, qns_oce, qemp_oce, qsr_ice, qns_ice, dqns_ice, evap_ice, qprec_ice, qevap_ice, & |
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| 27 | & fr1_i0, fr2_i0, nn_limflx |
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[7646] | 28 | USE thd_ice ! thermodynamic sea-ice variables |
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| 29 | USE limthd_dif ! vertical diffusion |
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| 30 | USE limthd_dh ! ice-snow growth and melt |
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| 31 | USE limthd_da ! lateral melting |
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| 32 | USE limthd_sal ! ice salinity |
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| 33 | USE limthd_ent ! ice enthalpy redistribution |
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| 34 | USE limthd_lac ! lateral accretion |
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| 35 | USE limitd_th ! remapping thickness distribution |
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| 36 | USE limtab ! 1D <==> 2D transformation |
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| 37 | USE limvar ! |
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| 38 | USE limcons ! conservation tests |
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| 39 | USE limctl ! control print |
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[6140] | 40 | ! |
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| 41 | USE in_out_manager ! I/O manager |
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[3625] | 42 | USE lbclnk ! lateral boundary condition - MPP links |
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| 43 | USE lib_mpp ! MPP library |
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| 44 | USE wrk_nemo ! work arrays |
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| 45 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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[4161] | 46 | USE timing ! Timing |
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[825] | 47 | |
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| 48 | IMPLICIT NONE |
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| 49 | PRIVATE |
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| 50 | |
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[5407] | 51 | PUBLIC lim_thd ! called by limstp module |
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[8321] | 52 | PUBLIC lim_thd_init ! called by ice_init |
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[825] | 53 | |
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| 54 | !! * Substitutions |
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| 55 | # include "vectopt_loop_substitute.h90" |
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| 56 | !!---------------------------------------------------------------------- |
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[2528] | 57 | !! NEMO/LIM3 3.3 , UCL - NEMO Consortium (2010) |
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[1156] | 58 | !! $Id$ |
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[2528] | 59 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[825] | 60 | !!---------------------------------------------------------------------- |
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| 61 | CONTAINS |
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| 62 | |
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[921] | 63 | SUBROUTINE lim_thd( kt ) |
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[825] | 64 | !!------------------------------------------------------------------- |
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| 65 | !! *** ROUTINE lim_thd *** |
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| 66 | !! |
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[4990] | 67 | !! ** Purpose : This routine manages ice thermodynamics |
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[825] | 68 | !! |
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| 69 | !! ** Action : - Initialisation of some variables |
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| 70 | !! - Some preliminary computation (oceanic heat flux |
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| 71 | !! at the ice base, snow acc.,heat budget of the leads) |
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| 72 | !! - selection of the icy points and put them in an array |
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[4990] | 73 | !! - call lim_thd_dif for vertical heat diffusion |
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| 74 | !! - call lim_thd_dh for vertical ice growth and melt |
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| 75 | !! - call lim_thd_ent for enthalpy remapping |
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| 76 | !! - call lim_thd_sal for ice desalination |
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| 77 | !! - call lim_thd_temp to retrieve temperature from ice enthalpy |
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[825] | 78 | !! - back to the geographic grid |
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| 79 | !! |
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[4990] | 80 | !! ** References : |
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[1572] | 81 | !!--------------------------------------------------------------------- |
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[5123] | 82 | INTEGER, INTENT(in) :: kt ! number of iteration |
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[6140] | 83 | ! |
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[4688] | 84 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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[5123] | 85 | INTEGER :: nbpb ! nb of icy pts for vertical thermo calculations |
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[8239] | 86 | REAL(wp) :: zfric_u, zqld, zqfr, zqfr_neg |
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[4688] | 87 | REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b |
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[5202] | 88 | REAL(wp), PARAMETER :: zfric_umin = 0._wp ! lower bound for the friction velocity (cice value=5.e-04) |
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| 89 | REAL(wp), PARAMETER :: zch = 0.0057_wp ! heat transfer coefficient |
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[7646] | 90 | REAL(wp), POINTER, DIMENSION(:,:) :: zu_io, zv_io, zfric ! ice-ocean velocity (m/s) and frictional velocity (m2/s2) |
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| 91 | ! |
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[825] | 92 | !!------------------------------------------------------------------- |
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[4990] | 93 | |
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[6140] | 94 | IF( nn_timing == 1 ) CALL timing_start('limthd') |
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[2715] | 95 | |
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[7646] | 96 | CALL wrk_alloc( jpi,jpj, zu_io, zv_io, zfric ) |
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| 97 | |
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| 98 | IF( kt == nit000 .AND. lwp ) THEN |
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| 99 | WRITE(numout,*)'' |
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| 100 | WRITE(numout,*)' lim_thd ' |
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| 101 | WRITE(numout,*)' ~~~~~~~~' |
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| 102 | ENDIF |
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| 103 | |
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[4688] | 104 | ! conservation test |
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[7646] | 105 | IF( ln_limdiachk ) CALL lim_cons_hsm(0, 'limthd', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[4161] | 106 | |
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[5167] | 107 | CALL lim_var_glo2eqv |
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[7646] | 108 | |
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| 109 | !---------------------------------------------! |
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| 110 | ! computation of friction velocity at T points |
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| 111 | !---------------------------------------------! |
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| 112 | IF( ln_limdyn ) THEN |
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[7753] | 113 | zu_io(:,:) = u_ice(:,:) - ssu_m(:,:) |
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| 114 | zv_io(:,:) = v_ice(:,:) - ssv_m(:,:) |
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[7646] | 115 | DO jj = 2, jpjm1 |
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| 116 | DO ji = fs_2, fs_jpim1 |
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| 117 | zfric(ji,jj) = rn_cio * ( 0.5_wp * & |
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| 118 | & ( zu_io(ji,jj) * zu_io(ji,jj) + zu_io(ji-1,jj) * zu_io(ji-1,jj) & |
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| 119 | & + zv_io(ji,jj) * zv_io(ji,jj) + zv_io(ji,jj-1) * zv_io(ji,jj-1) ) ) * tmask(ji,jj,1) |
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| 120 | END DO |
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| 121 | END DO |
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| 122 | ELSE ! if no ice dynamics => transmit directly the atmospheric stress to the ocean |
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| 123 | DO jj = 2, jpjm1 |
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| 124 | DO ji = fs_2, fs_jpim1 |
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| 125 | zfric(ji,jj) = r1_rau0 * SQRT( 0.5_wp * & |
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| 126 | & ( utau(ji,jj) * utau(ji,jj) + utau(ji-1,jj) * utau(ji-1,jj) & |
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| 127 | & + vtau(ji,jj) * vtau(ji,jj) + vtau(ji,jj-1) * vtau(ji,jj-1) ) ) * tmask(ji,jj,1) |
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| 128 | END DO |
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| 129 | END DO |
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| 130 | ENDIF |
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| 131 | CALL lbc_lnk( zfric, 'T', 1. ) |
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| 132 | ! |
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[8325] | 133 | ftr_ice(:,:,:) = 0._wp ! initialization (part of solar radiation transmitted through the ice) |
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[825] | 134 | |
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[7646] | 135 | !--------------------------------------------------------------------! |
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| 136 | ! Partial computation of forcing for the thermodynamic sea ice model |
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| 137 | !--------------------------------------------------------------------! |
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[921] | 138 | DO jj = 1, jpj |
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| 139 | DO ji = 1, jpi |
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[5134] | 140 | rswitch = tmask(ji,jj,1) * MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) - epsi10 ) ) ! 0 if no ice |
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[2528] | 141 | ! |
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[921] | 142 | ! ! solar irradiance transmission at the mixed layer bottom and used in the lead heat budget |
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| 143 | ! ! practically no "direct lateral ablation" |
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| 144 | ! |
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| 145 | ! ! net downward heat flux from the ice to the ocean, expressed as a function of ocean |
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| 146 | ! ! temperature and turbulent mixing (McPhee, 1992) |
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[4688] | 147 | ! |
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| 148 | ! --- Energy received in the lead, zqld is defined everywhere (J.m-2) --- ! |
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[5407] | 149 | zqld = tmask(ji,jj,1) * rdt_ice * & |
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[8313] | 150 | & ( ( 1._wp - at_i_b(ji,jj) ) * qsr_oce(ji,jj) * frq_m(ji,jj) + & |
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| 151 | & ( 1._wp - at_i_b(ji,jj) ) * qns_oce(ji,jj) + qemp_oce(ji,jj) ) |
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[825] | 152 | |
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[5123] | 153 | ! --- Energy needed to bring ocean surface layer until its freezing (<0, J.m-2) --- ! |
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[8239] | 154 | ! includes supercooling potential energy (>0) or "above-freezing" energy (<0) |
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[6140] | 155 | zqfr = tmask(ji,jj,1) * rau0 * rcp * e3t_m(ji,jj) * ( t_bo(ji,jj) - ( sst_m(ji,jj) + rt0 ) ) |
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[4688] | 156 | |
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[8239] | 157 | ! --- Above-freezing sensible heat content (J/m2 grid) |
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| 158 | zqfr_neg = tmask(ji,jj,1) * rau0 * rcp * e3t_m(ji,jj) * MIN( ( t_bo(ji,jj) - ( sst_m(ji,jj) + rt0 ) ), 0._wp ) |
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| 159 | |
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| 160 | ! --- Sensible ocean-to-ice heat flux (W/m2) |
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[7646] | 161 | zfric_u = MAX( SQRT( zfric(ji,jj) ), zfric_umin ) |
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[8239] | 162 | fhtur(ji,jj) = rswitch * rau0 * rcp * zch * zfric_u * ( ( sst_m(ji,jj) + rt0 ) - t_bo(ji,jj) ) ! W.m-2 |
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| 163 | |
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| 164 | fhtur(ji,jj) = rswitch * MIN( fhtur(ji,jj), - zqfr_neg * r1_rdtice / MAX( at_i(ji,jj), epsi10 ) ) |
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[5123] | 165 | ! upper bound for fhtur: the heat retrieved from the ocean must be smaller than the heat necessary to reach |
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| 166 | ! the freezing point, so that we do not have SST < T_freeze |
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| 167 | ! This implies: - ( fhtur(ji,jj) * at_i(ji,jj) * rtdice ) - zqfr >= 0 |
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| 168 | |
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[8239] | 169 | !-- Energy Budget of the leads (J.m-2), source of lateral accretion. Must be < 0 to form ice |
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[5123] | 170 | qlead(ji,jj) = MIN( 0._wp , zqld - ( fhtur(ji,jj) * at_i(ji,jj) * rdt_ice ) - zqfr ) |
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[4688] | 171 | |
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| 172 | ! If there is ice and leads are warming, then transfer energy from the lead budget and use it for bottom melting |
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[5123] | 173 | IF( zqld > 0._wp ) THEN |
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| 174 | fhld (ji,jj) = rswitch * zqld * r1_rdtice / MAX( at_i(ji,jj), epsi10 ) ! divided by at_i since this is (re)multiplied by a_i in limthd_dh.F90 |
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[4688] | 175 | qlead(ji,jj) = 0._wp |
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[4990] | 176 | ELSE |
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| 177 | fhld (ji,jj) = 0._wp |
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[4688] | 178 | ENDIF |
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[2528] | 179 | ! |
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[7646] | 180 | ! Net heat flux on top of the ice-ocean [W.m-2] |
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| 181 | ! --------------------------------------------- |
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[5407] | 182 | hfx_in(ji,jj) = qns_tot(ji,jj) + qsr_tot(ji,jj) |
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[7646] | 183 | END DO |
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| 184 | END DO |
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| 185 | |
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| 186 | ! In case we bypass open-water ice formation |
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[7753] | 187 | IF( .NOT. ln_limdO ) qlead(:,:) = 0._wp |
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[7646] | 188 | ! In case we bypass growing/melting from top and bottom: we suppose ice is impermeable => ocean is isolated from atmosphere |
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[8313] | 189 | IF( .NOT. ln_limdH ) hfx_in(:,:) = ( 1._wp - at_i_b(:,:) ) * ( qns_oce(:,:) + qsr_oce(:,:) ) + qemp_oce(:,:) |
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[7753] | 190 | IF( .NOT. ln_limdH ) fhtur (:,:) = 0._wp ; fhld (:,:) = 0._wp |
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[4688] | 191 | |
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[7646] | 192 | ! --------------------------------------------------------------------- |
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| 193 | ! Net heat flux on top of the ocean after ice thermo (1st step) [W.m-2] |
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| 194 | ! --------------------------------------------------------------------- |
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| 195 | ! First step here : non solar + precip - qlead - qturb |
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| 196 | ! Second step in limthd_dh : heat remaining if total melt (zq_rema) |
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| 197 | ! Third step in limsbc : heat from ice-ocean mass exchange (zf_mass) + solar |
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| 198 | DO jj = 1, jpj |
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| 199 | DO ji = 1, jpi |
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[8313] | 200 | hfx_out(ji,jj) = ( 1._wp - at_i_b(ji,jj) ) * qns_oce(ji,jj) + qemp_oce(ji,jj) & ! Non solar heat flux received by the ocean |
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| 201 | & - qlead(ji,jj) * r1_rdtice & ! heat flux taken from the ocean where there is open water ice formation |
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| 202 | & - at_i(ji,jj) * fhtur(ji,jj) & ! heat flux taken by turbulence |
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| 203 | & - at_i(ji,jj) * fhld(ji,jj) ! heat flux taken during bottom growth/melt |
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| 204 | ! (fhld should be 0 while bott growth) |
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[825] | 205 | END DO |
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| 206 | END DO |
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| 207 | |
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[921] | 208 | !------------------------------------------------------------------------------! |
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[7646] | 209 | ! Thermodynamic computation (only on grid points covered by ice) |
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[921] | 210 | !------------------------------------------------------------------------------! |
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[825] | 211 | |
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| 212 | DO jl = 1, jpl !loop over ice categories |
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| 213 | |
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[7646] | 214 | ! select ice covered grid points |
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[825] | 215 | nbpb = 0 |
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| 216 | DO jj = 1, jpj |
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| 217 | DO ji = 1, jpi |
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[5123] | 218 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
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[825] | 219 | nbpb = nbpb + 1 |
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| 220 | npb(nbpb) = (jj - 1) * jpi + ji |
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| 221 | ENDIF |
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| 222 | END DO |
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| 223 | END DO |
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| 224 | |
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[4333] | 225 | ! debug point to follow |
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| 226 | jiindex_1d = 0 |
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[7646] | 227 | IF( ln_limctl ) THEN |
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[5128] | 228 | DO ji = mi0(iiceprt), mi1(iiceprt) |
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| 229 | DO jj = mj0(jiceprt), mj1(jiceprt) |
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[4333] | 230 | jiindex_1d = (jj - 1) * jpi + ji |
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[4688] | 231 | WRITE(numout,*) ' lim_thd : Category no : ', jl |
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[4333] | 232 | END DO |
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| 233 | END DO |
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| 234 | ENDIF |
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| 235 | |
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[7646] | 236 | IF( lk_mpp ) CALL mpp_ini_ice( nbpb , numout ) |
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[825] | 237 | |
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[7646] | 238 | IF( nbpb > 0 ) THEN ! If there is no ice, do nothing. |
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| 239 | ! |
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| 240 | s_i_new (:) = 0._wp ; dh_s_tot (:) = 0._wp ! --- some init --- ! |
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| 241 | dh_i_surf (:) = 0._wp ; dh_i_bott(:) = 0._wp |
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| 242 | dh_snowice(:) = 0._wp ; dh_i_sub (:) = 0._wp |
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[869] | 243 | |
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[7646] | 244 | CALL lim_thd_1d2d( nbpb, jl, 1 ) ! --- Move to 1D arrays --- ! |
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[6140] | 245 | ! |
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[8325] | 246 | DO jk = 1, nlay_i ! --- Change units from J/m2 to J/m3 --- ! |
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| 247 | WHERE( ht_i_1d(:)>0._wp ) e_i_1d(:,jk) = e_i_1d(:,jk) / (ht_i_1d(:) * a_i_1d(:)) * nlay_i |
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| 248 | ENDDO |
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| 249 | DO jk = 1, nlay_s |
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| 250 | WHERE( ht_s_1d(:)>0._wp ) e_s_1d(:,jk) = e_s_1d(:,jk) / (ht_s_1d(:) * a_i_1d(:)) * nlay_s |
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| 251 | ENDDO |
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| 252 | ! |
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[7646] | 253 | IF( ln_limdH ) CALL lim_thd_dif( 1, nbpb ) ! --- Ice/Snow Temperature profile --- ! |
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[6140] | 254 | ! |
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[7646] | 255 | IF( ln_limdH ) CALL lim_thd_dh( 1, nbpb ) ! --- Ice/Snow thickness --- ! |
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[6140] | 256 | ! |
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[8325] | 257 | IF( ln_limdH ) CALL lim_thd_ent( 1, nbpb, e_i_1d(1:nbpb,:) ) ! --- Ice enthalpy remapping --- ! |
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[6140] | 258 | ! |
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[7646] | 259 | CALL lim_thd_sal( 1, nbpb ) ! --- Ice salinity --- ! |
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[6140] | 260 | ! |
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[7646] | 261 | CALL lim_thd_temp( 1, nbpb ) ! --- temperature update --- ! |
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[6140] | 262 | ! |
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[7646] | 263 | IF( ln_limdH ) THEN |
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| 264 | IF ( ( nn_monocat == 1 .OR. nn_monocat == 4 ) .AND. jpl == 1 ) THEN |
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| 265 | CALL lim_thd_lam( 1, nbpb ) ! --- extra lateral melting if monocat --- ! |
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| 266 | END IF |
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[5123] | 267 | END IF |
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[2528] | 268 | ! |
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[8325] | 269 | DO jk = 1, nlay_i ! --- Change units from J/m3 to J/m2 --- ! |
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| 270 | e_i_1d(:,jk) = e_i_1d(:,jk) * ht_i_1d(:) * a_i_1d(:) * r1_nlay_i |
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| 271 | ENDDO |
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| 272 | DO jk = 1, nlay_s |
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| 273 | e_s_1d(:,jk) = e_s_1d(:,jk) * ht_s_1d(:) * a_i_1d(:) * r1_nlay_s |
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| 274 | ENDDO |
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| 275 | ! |
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[7646] | 276 | CALL lim_thd_1d2d( nbpb, jl, 2 ) ! --- Move to 2D arrays --- ! |
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[6140] | 277 | ! |
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[7646] | 278 | IF( lk_mpp ) CALL mpp_comm_free( ncomm_ice ) !RB necessary ?? |
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[1572] | 279 | ENDIF |
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| 280 | ! |
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[5167] | 281 | END DO !jl |
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[825] | 282 | |
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[7646] | 283 | IF( ln_limdA) CALL lim_thd_da ! --- lateral melting --- ! |
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[825] | 284 | |
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[7753] | 285 | ! Change thickness to volume |
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| 286 | v_i(:,:,:) = ht_i(:,:,:) * a_i(:,:,:) |
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| 287 | v_s(:,:,:) = ht_s(:,:,:) * a_i(:,:,:) |
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| 288 | smv_i(:,:,:) = sm_i(:,:,:) * v_i(:,:,:) |
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[825] | 289 | |
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[5202] | 290 | ! update ice age (in case a_i changed, i.e. becomes 0 or lateral melting in monocat) |
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| 291 | DO jl = 1, jpl |
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| 292 | DO jj = 1, jpj |
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| 293 | DO ji = 1, jpi |
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| 294 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i_b(ji,jj,jl) - epsi10 ) ) |
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| 295 | oa_i(ji,jj,jl) = rswitch * oa_i(ji,jj,jl) * a_i(ji,jj,jl) / MAX( a_i_b(ji,jj,jl), epsi10 ) |
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| 296 | END DO |
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| 297 | END DO |
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| 298 | END DO |
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| 299 | |
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[5134] | 300 | CALL lim_var_zapsmall |
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[5202] | 301 | |
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[7646] | 302 | ! control checks |
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| 303 | IF( ln_limctl ) CALL lim_prt( kt, iiceprt, jiceprt, 1, ' - ice thermodyn. - ' ) ! control print |
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[2528] | 304 | ! |
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[7646] | 305 | IF( ln_limdiachk ) CALL lim_cons_hsm(1, 'limthd', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[4990] | 306 | |
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[7646] | 307 | !------------------------------------------------! |
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| 308 | ! Transport ice between thickness categories |
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| 309 | !------------------------------------------------! |
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[5167] | 310 | ! Given thermodynamic growth rates, transport ice between thickness categories. |
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[7646] | 311 | IF( ln_limdiachk ) CALL lim_cons_hsm(0, 'limitd_th_rem', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[5123] | 312 | |
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[5167] | 313 | IF( jpl > 1 ) CALL lim_itd_th_rem( 1, jpl, kt ) |
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[5123] | 314 | |
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[7646] | 315 | IF( ln_limdiachk ) CALL lim_cons_hsm(1, 'limitd_th_rem', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[5167] | 316 | |
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[7646] | 317 | !------------------------------------------------! |
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| 318 | ! Add frazil ice growing in leads |
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| 319 | !------------------------------------------------! |
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| 320 | IF( ln_limdiachk ) CALL lim_cons_hsm(0, 'limthd_lac', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[5167] | 321 | |
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[7646] | 322 | IF( ln_limdO ) CALL lim_thd_lac |
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[5123] | 323 | |
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[7646] | 324 | ! conservation test |
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| 325 | IF( ln_limdiachk ) CALL lim_cons_hsm(1, 'limthd_lac', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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[5123] | 326 | |
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[5167] | 327 | ! Control print |
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[7646] | 328 | IF( ln_ctl ) CALL lim_prt3D( 'limthd' ) |
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[4161] | 329 | ! |
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[7646] | 330 | CALL wrk_dealloc( jpi,jpj, zu_io, zv_io, zfric ) |
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[6140] | 331 | ! |
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[7646] | 332 | IF( nn_timing == 1 ) CALL timing_stop('limthd') |
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| 333 | |
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[4688] | 334 | END SUBROUTINE lim_thd |
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[825] | 335 | |
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[5407] | 336 | |
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[4688] | 337 | SUBROUTINE lim_thd_temp( kideb, kiut ) |
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[825] | 338 | !!----------------------------------------------------------------------- |
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[4688] | 339 | !! *** ROUTINE lim_thd_temp *** |
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[825] | 340 | !! |
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[4688] | 341 | !! ** Purpose : Computes sea ice temperature (Kelvin) from enthalpy |
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[825] | 342 | !! |
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| 343 | !! ** Method : Formula (Bitz and Lipscomb, 1999) |
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| 344 | !!------------------------------------------------------------------- |
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[1572] | 345 | INTEGER, INTENT(in) :: kideb, kiut ! bounds for the spatial loop |
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[6140] | 346 | ! |
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[2715] | 347 | INTEGER :: ji, jk ! dummy loop indices |
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[4990] | 348 | REAL(wp) :: ztmelts, zaaa, zbbb, zccc, zdiscrim ! local scalar |
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[825] | 349 | !!------------------------------------------------------------------- |
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[4688] | 350 | ! Recover ice temperature |
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| 351 | DO jk = 1, nlay_i |
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[825] | 352 | DO ji = kideb, kiut |
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[5123] | 353 | ztmelts = -tmut * s_i_1d(ji,jk) + rt0 |
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[4688] | 354 | ! Conversion q(S,T) -> T (second order equation) |
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| 355 | zaaa = cpic |
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[8325] | 356 | zbbb = ( rcp - cpic ) * ( ztmelts - rt0 ) + e_i_1d(ji,jk) * r1_rhoic - lfus |
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[5123] | 357 | zccc = lfus * ( ztmelts - rt0 ) |
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[4688] | 358 | zdiscrim = SQRT( MAX( zbbb * zbbb - 4._wp * zaaa * zccc, 0._wp ) ) |
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[5123] | 359 | t_i_1d(ji,jk) = rt0 - ( zbbb + zdiscrim ) / ( 2._wp * zaaa ) |
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[4688] | 360 | |
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| 361 | ! mask temperature |
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[4990] | 362 | rswitch = 1._wp - MAX( 0._wp , SIGN( 1._wp , - ht_i_1d(ji) ) ) |
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[5123] | 363 | t_i_1d(ji,jk) = rswitch * t_i_1d(ji,jk) + ( 1._wp - rswitch ) * rt0 |
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[4688] | 364 | END DO |
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| 365 | END DO |
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[6140] | 366 | ! |
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[4688] | 367 | END SUBROUTINE lim_thd_temp |
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[825] | 368 | |
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[6140] | 369 | |
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[5123] | 370 | SUBROUTINE lim_thd_lam( kideb, kiut ) |
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| 371 | !!----------------------------------------------------------------------- |
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| 372 | !! *** ROUTINE lim_thd_lam *** |
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| 373 | !! |
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| 374 | !! ** Purpose : Lateral melting in case monocategory |
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| 375 | !! ( dA = A/2h dh ) |
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| 376 | !!----------------------------------------------------------------------- |
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| 377 | INTEGER, INTENT(in) :: kideb, kiut ! bounds for the spatial loop |
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[6140] | 378 | ! |
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| 379 | INTEGER :: ji ! dummy loop indices |
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| 380 | REAL(wp) :: zhi_bef ! ice thickness before thermo |
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| 381 | REAL(wp) :: zdh_mel, zda_mel ! net melting |
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| 382 | REAL(wp) :: zvi, zvs ! ice/snow volumes |
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| 383 | !!----------------------------------------------------------------------- |
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| 384 | ! |
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[5123] | 385 | DO ji = kideb, kiut |
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[6416] | 386 | zdh_mel = MIN( 0._wp, dh_i_surf(ji) + dh_i_bott(ji) + dh_snowice(ji) + dh_i_sub(ji) ) |
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[5167] | 387 | IF( zdh_mel < 0._wp .AND. a_i_1d(ji) > 0._wp ) THEN |
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| 388 | zvi = a_i_1d(ji) * ht_i_1d(ji) |
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| 389 | zvs = a_i_1d(ji) * ht_s_1d(ji) |
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[5123] | 390 | ! lateral melting = concentration change |
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| 391 | zhi_bef = ht_i_1d(ji) - zdh_mel |
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[5167] | 392 | rswitch = MAX( 0._wp , SIGN( 1._wp , zhi_bef - epsi20 ) ) |
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| 393 | zda_mel = rswitch * a_i_1d(ji) * zdh_mel / ( 2._wp * MAX( zhi_bef, epsi20 ) ) |
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| 394 | a_i_1d(ji) = MAX( epsi20, a_i_1d(ji) + zda_mel ) |
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[7646] | 395 | ! adjust thickness |
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[5167] | 396 | ht_i_1d(ji) = zvi / a_i_1d(ji) |
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| 397 | ht_s_1d(ji) = zvs / a_i_1d(ji) |
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[5123] | 398 | ! retrieve total concentration |
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| 399 | at_i_1d(ji) = a_i_1d(ji) |
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| 400 | END IF |
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| 401 | END DO |
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[6140] | 402 | ! |
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[5123] | 403 | END SUBROUTINE lim_thd_lam |
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| 404 | |
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[6140] | 405 | |
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[5123] | 406 | SUBROUTINE lim_thd_1d2d( nbpb, jl, kn ) |
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| 407 | !!----------------------------------------------------------------------- |
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| 408 | !! *** ROUTINE lim_thd_1d2d *** |
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| 409 | !! |
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| 410 | !! ** Purpose : move arrays from 1d to 2d and the reverse |
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| 411 | !!----------------------------------------------------------------------- |
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[6140] | 412 | INTEGER, INTENT(in) :: kn ! 1= from 2D to 1D ; 2= from 1D to 2D |
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[5123] | 413 | INTEGER, INTENT(in) :: nbpb ! size of 1D arrays |
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| 414 | INTEGER, INTENT(in) :: jl ! ice cat |
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[6140] | 415 | ! |
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[5123] | 416 | INTEGER :: jk ! dummy loop indices |
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[6140] | 417 | !!----------------------------------------------------------------------- |
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| 418 | ! |
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[5123] | 419 | SELECT CASE( kn ) |
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[6140] | 420 | ! |
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| 421 | CASE( 1 ) ! from 2D to 1D |
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| 422 | ! |
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[5123] | 423 | CALL tab_2d_1d( nbpb, at_i_1d (1:nbpb), at_i , jpi, jpj, npb(1:nbpb) ) |
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| 424 | CALL tab_2d_1d( nbpb, a_i_1d (1:nbpb), a_i(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 425 | CALL tab_2d_1d( nbpb, ht_i_1d (1:nbpb), ht_i(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 426 | CALL tab_2d_1d( nbpb, ht_s_1d (1:nbpb), ht_s(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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[6140] | 427 | ! |
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[5123] | 428 | CALL tab_2d_1d( nbpb, t_su_1d (1:nbpb), t_su(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 429 | CALL tab_2d_1d( nbpb, sm_i_1d (1:nbpb), sm_i(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 430 | DO jk = 1, nlay_s |
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| 431 | CALL tab_2d_1d( nbpb, t_s_1d(1:nbpb,jk), t_s(:,:,jk,jl) , jpi, jpj, npb(1:nbpb) ) |
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[8325] | 432 | CALL tab_2d_1d( nbpb, e_s_1d(1:nbpb,jk), e_s(:,:,jk,jl) , jpi, jpj, npb(1:nbpb) ) |
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[5123] | 433 | END DO |
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| 434 | DO jk = 1, nlay_i |
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| 435 | CALL tab_2d_1d( nbpb, t_i_1d(1:nbpb,jk), t_i(:,:,jk,jl) , jpi, jpj, npb(1:nbpb) ) |
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[8325] | 436 | CALL tab_2d_1d( nbpb, e_i_1d(1:nbpb,jk), e_i(:,:,jk,jl) , jpi, jpj, npb(1:nbpb) ) |
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[5123] | 437 | CALL tab_2d_1d( nbpb, s_i_1d(1:nbpb,jk), s_i(:,:,jk,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 438 | END DO |
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[6140] | 439 | ! |
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[5407] | 440 | CALL tab_2d_1d( nbpb, qprec_ice_1d(1:nbpb), qprec_ice(:,:) , jpi, jpj, npb(1:nbpb) ) |
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[6416] | 441 | CALL tab_2d_1d( nbpb, qevap_ice_1d(1:nbpb), qevap_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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[5123] | 442 | CALL tab_2d_1d( nbpb, qsr_ice_1d (1:nbpb), qsr_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 443 | CALL tab_2d_1d( nbpb, fr1_i0_1d (1:nbpb), fr1_i0 , jpi, jpj, npb(1:nbpb) ) |
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| 444 | CALL tab_2d_1d( nbpb, fr2_i0_1d (1:nbpb), fr2_i0 , jpi, jpj, npb(1:nbpb) ) |
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| 445 | CALL tab_2d_1d( nbpb, qns_ice_1d (1:nbpb), qns_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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| 446 | CALL tab_2d_1d( nbpb, ftr_ice_1d (1:nbpb), ftr_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) |
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[5407] | 447 | CALL tab_2d_1d( nbpb, evap_ice_1d (1:nbpb), evap_ice(:,:,jl), jpi, jpj, npb(1:nbpb) ) |
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[5123] | 448 | CALL tab_2d_1d( nbpb, dqns_ice_1d(1:nbpb), dqns_ice(:,:,jl), jpi, jpj, npb(1:nbpb) ) |
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| 449 | CALL tab_2d_1d( nbpb, t_bo_1d (1:nbpb), t_bo , jpi, jpj, npb(1:nbpb) ) |
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| 450 | CALL tab_2d_1d( nbpb, sprecip_1d (1:nbpb), sprecip , jpi, jpj, npb(1:nbpb) ) |
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| 451 | CALL tab_2d_1d( nbpb, fhtur_1d (1:nbpb), fhtur , jpi, jpj, npb(1:nbpb) ) |
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| 452 | CALL tab_2d_1d( nbpb, qlead_1d (1:nbpb), qlead , jpi, jpj, npb(1:nbpb) ) |
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| 453 | CALL tab_2d_1d( nbpb, fhld_1d (1:nbpb), fhld , jpi, jpj, npb(1:nbpb) ) |
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[6140] | 454 | ! |
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[5123] | 455 | CALL tab_2d_1d( nbpb, wfx_snw_1d (1:nbpb), wfx_snw , jpi, jpj, npb(1:nbpb) ) |
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[8233] | 456 | CALL tab_2d_1d( nbpb, wfx_snw_sum_1d(1:nbpb), wfx_snw_sum , jpi, jpj, npb(1:nbpb) ) |
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[5123] | 457 | CALL tab_2d_1d( nbpb, wfx_sub_1d (1:nbpb), wfx_sub , jpi, jpj, npb(1:nbpb) ) |
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[8239] | 458 | CALL tab_2d_1d( nbpb, wfx_snw_sub_1d(1:nbpb), wfx_snw_sub , jpi, jpj, npb(1:nbpb) ) |
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| 459 | CALL tab_2d_1d( nbpb, wfx_ice_sub_1d(1:nbpb), wfx_ice_sub , jpi, jpj, npb(1:nbpb) ) |
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[6140] | 460 | ! |
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[5123] | 461 | CALL tab_2d_1d( nbpb, wfx_bog_1d (1:nbpb), wfx_bog , jpi, jpj, npb(1:nbpb) ) |
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| 462 | CALL tab_2d_1d( nbpb, wfx_bom_1d (1:nbpb), wfx_bom , jpi, jpj, npb(1:nbpb) ) |
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| 463 | CALL tab_2d_1d( nbpb, wfx_sum_1d (1:nbpb), wfx_sum , jpi, jpj, npb(1:nbpb) ) |
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| 464 | CALL tab_2d_1d( nbpb, wfx_sni_1d (1:nbpb), wfx_sni , jpi, jpj, npb(1:nbpb) ) |
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| 465 | CALL tab_2d_1d( nbpb, wfx_res_1d (1:nbpb), wfx_res , jpi, jpj, npb(1:nbpb) ) |
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| 466 | CALL tab_2d_1d( nbpb, wfx_spr_1d (1:nbpb), wfx_spr , jpi, jpj, npb(1:nbpb) ) |
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[6140] | 467 | ! |
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[5123] | 468 | CALL tab_2d_1d( nbpb, sfx_bog_1d (1:nbpb), sfx_bog , jpi, jpj, npb(1:nbpb) ) |
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| 469 | CALL tab_2d_1d( nbpb, sfx_bom_1d (1:nbpb), sfx_bom , jpi, jpj, npb(1:nbpb) ) |
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| 470 | CALL tab_2d_1d( nbpb, sfx_sum_1d (1:nbpb), sfx_sum , jpi, jpj, npb(1:nbpb) ) |
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| 471 | CALL tab_2d_1d( nbpb, sfx_sni_1d (1:nbpb), sfx_sni , jpi, jpj, npb(1:nbpb) ) |
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| 472 | CALL tab_2d_1d( nbpb, sfx_bri_1d (1:nbpb), sfx_bri , jpi, jpj, npb(1:nbpb) ) |
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| 473 | CALL tab_2d_1d( nbpb, sfx_res_1d (1:nbpb), sfx_res , jpi, jpj, npb(1:nbpb) ) |
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[6416] | 474 | CALL tab_2d_1d( nbpb, sfx_sub_1d (1:nbpb), sfx_sub , jpi, jpj,npb(1:nbpb) ) |
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[6140] | 475 | ! |
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[5123] | 476 | CALL tab_2d_1d( nbpb, hfx_thd_1d (1:nbpb), hfx_thd , jpi, jpj, npb(1:nbpb) ) |
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| 477 | CALL tab_2d_1d( nbpb, hfx_spr_1d (1:nbpb), hfx_spr , jpi, jpj, npb(1:nbpb) ) |
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| 478 | CALL tab_2d_1d( nbpb, hfx_sum_1d (1:nbpb), hfx_sum , jpi, jpj, npb(1:nbpb) ) |
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| 479 | CALL tab_2d_1d( nbpb, hfx_bom_1d (1:nbpb), hfx_bom , jpi, jpj, npb(1:nbpb) ) |
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| 480 | CALL tab_2d_1d( nbpb, hfx_bog_1d (1:nbpb), hfx_bog , jpi, jpj, npb(1:nbpb) ) |
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| 481 | CALL tab_2d_1d( nbpb, hfx_dif_1d (1:nbpb), hfx_dif , jpi, jpj, npb(1:nbpb) ) |
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| 482 | CALL tab_2d_1d( nbpb, hfx_opw_1d (1:nbpb), hfx_opw , jpi, jpj, npb(1:nbpb) ) |
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| 483 | CALL tab_2d_1d( nbpb, hfx_snw_1d (1:nbpb), hfx_snw , jpi, jpj, npb(1:nbpb) ) |
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| 484 | CALL tab_2d_1d( nbpb, hfx_sub_1d (1:nbpb), hfx_sub , jpi, jpj, npb(1:nbpb) ) |
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| 485 | CALL tab_2d_1d( nbpb, hfx_err_1d (1:nbpb), hfx_err , jpi, jpj, npb(1:nbpb) ) |
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| 486 | CALL tab_2d_1d( nbpb, hfx_res_1d (1:nbpb), hfx_res , jpi, jpj, npb(1:nbpb) ) |
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[5146] | 487 | CALL tab_2d_1d( nbpb, hfx_err_dif_1d (1:nbpb), hfx_err_dif , jpi, jpj, npb(1:nbpb) ) |
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[5123] | 488 | CALL tab_2d_1d( nbpb, hfx_err_rem_1d (1:nbpb), hfx_err_rem , jpi, jpj, npb(1:nbpb) ) |
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[6140] | 489 | ! |
---|
[8239] | 490 | ! SIMIP diagnostics |
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| 491 | CALL tab_2d_1d( nbpb, diag_fc_bo_1d (1:nbpb), diag_fc_bo , jpi, jpj, npb(1:nbpb) ) |
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| 492 | CALL tab_2d_1d( nbpb, diag_fc_su_1d (1:nbpb), diag_fc_su , jpi, jpj, npb(1:nbpb) ) |
---|
| 493 | ! |
---|
[6140] | 494 | CASE( 2 ) ! from 1D to 2D |
---|
| 495 | ! |
---|
[5123] | 496 | CALL tab_1d_2d( nbpb, at_i , npb, at_i_1d (1:nbpb) , jpi, jpj ) |
---|
| 497 | CALL tab_1d_2d( nbpb, ht_i(:,:,jl) , npb, ht_i_1d (1:nbpb) , jpi, jpj ) |
---|
| 498 | CALL tab_1d_2d( nbpb, ht_s(:,:,jl) , npb, ht_s_1d (1:nbpb) , jpi, jpj ) |
---|
| 499 | CALL tab_1d_2d( nbpb, a_i (:,:,jl) , npb, a_i_1d (1:nbpb) , jpi, jpj ) |
---|
| 500 | CALL tab_1d_2d( nbpb, t_su(:,:,jl) , npb, t_su_1d (1:nbpb) , jpi, jpj ) |
---|
| 501 | CALL tab_1d_2d( nbpb, sm_i(:,:,jl) , npb, sm_i_1d (1:nbpb) , jpi, jpj ) |
---|
| 502 | DO jk = 1, nlay_s |
---|
| 503 | CALL tab_1d_2d( nbpb, t_s(:,:,jk,jl), npb, t_s_1d (1:nbpb,jk), jpi, jpj) |
---|
[8325] | 504 | CALL tab_1d_2d( nbpb, e_s(:,:,jk,jl), npb, e_s_1d (1:nbpb,jk), jpi, jpj) |
---|
[5123] | 505 | END DO |
---|
| 506 | DO jk = 1, nlay_i |
---|
| 507 | CALL tab_1d_2d( nbpb, t_i(:,:,jk,jl), npb, t_i_1d (1:nbpb,jk), jpi, jpj) |
---|
[8325] | 508 | CALL tab_1d_2d( nbpb, e_i(:,:,jk,jl), npb, e_i_1d (1:nbpb,jk), jpi, jpj) |
---|
[5123] | 509 | CALL tab_1d_2d( nbpb, s_i(:,:,jk,jl), npb, s_i_1d (1:nbpb,jk), jpi, jpj) |
---|
| 510 | END DO |
---|
| 511 | CALL tab_1d_2d( nbpb, qlead , npb, qlead_1d (1:nbpb) , jpi, jpj ) |
---|
[6140] | 512 | ! |
---|
[5123] | 513 | CALL tab_1d_2d( nbpb, wfx_snw , npb, wfx_snw_1d(1:nbpb) , jpi, jpj ) |
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[8233] | 514 | CALL tab_1d_2d( nbpb, wfx_snw_sum , npb, wfx_snw_sum_1d(1:nbpb),jpi, jpj ) |
---|
[5123] | 515 | CALL tab_1d_2d( nbpb, wfx_sub , npb, wfx_sub_1d(1:nbpb) , jpi, jpj ) |
---|
[8239] | 516 | CALL tab_1d_2d( nbpb, wfx_snw_sub , npb, wfx_snw_sub_1d(1:nbpb), jpi, jpj ) |
---|
| 517 | CALL tab_1d_2d( nbpb, wfx_ice_sub , npb, wfx_ice_sub_1d(1:nbpb), jpi, jpj ) |
---|
[6140] | 518 | ! |
---|
[5123] | 519 | CALL tab_1d_2d( nbpb, wfx_bog , npb, wfx_bog_1d(1:nbpb) , jpi, jpj ) |
---|
| 520 | CALL tab_1d_2d( nbpb, wfx_bom , npb, wfx_bom_1d(1:nbpb) , jpi, jpj ) |
---|
| 521 | CALL tab_1d_2d( nbpb, wfx_sum , npb, wfx_sum_1d(1:nbpb) , jpi, jpj ) |
---|
| 522 | CALL tab_1d_2d( nbpb, wfx_sni , npb, wfx_sni_1d(1:nbpb) , jpi, jpj ) |
---|
| 523 | CALL tab_1d_2d( nbpb, wfx_res , npb, wfx_res_1d(1:nbpb) , jpi, jpj ) |
---|
| 524 | CALL tab_1d_2d( nbpb, wfx_spr , npb, wfx_spr_1d(1:nbpb) , jpi, jpj ) |
---|
[6140] | 525 | ! |
---|
[5123] | 526 | CALL tab_1d_2d( nbpb, sfx_bog , npb, sfx_bog_1d(1:nbpb) , jpi, jpj ) |
---|
| 527 | CALL tab_1d_2d( nbpb, sfx_bom , npb, sfx_bom_1d(1:nbpb) , jpi, jpj ) |
---|
| 528 | CALL tab_1d_2d( nbpb, sfx_sum , npb, sfx_sum_1d(1:nbpb) , jpi, jpj ) |
---|
| 529 | CALL tab_1d_2d( nbpb, sfx_sni , npb, sfx_sni_1d(1:nbpb) , jpi, jpj ) |
---|
| 530 | CALL tab_1d_2d( nbpb, sfx_res , npb, sfx_res_1d(1:nbpb) , jpi, jpj ) |
---|
| 531 | CALL tab_1d_2d( nbpb, sfx_bri , npb, sfx_bri_1d(1:nbpb) , jpi, jpj ) |
---|
[6416] | 532 | CALL tab_1d_2d( nbpb, sfx_sub , npb, sfx_sub_1d(1:nbpb) , jpi, jpj ) |
---|
[6140] | 533 | ! |
---|
[5123] | 534 | CALL tab_1d_2d( nbpb, hfx_thd , npb, hfx_thd_1d(1:nbpb) , jpi, jpj ) |
---|
| 535 | CALL tab_1d_2d( nbpb, hfx_spr , npb, hfx_spr_1d(1:nbpb) , jpi, jpj ) |
---|
| 536 | CALL tab_1d_2d( nbpb, hfx_sum , npb, hfx_sum_1d(1:nbpb) , jpi, jpj ) |
---|
| 537 | CALL tab_1d_2d( nbpb, hfx_bom , npb, hfx_bom_1d(1:nbpb) , jpi, jpj ) |
---|
| 538 | CALL tab_1d_2d( nbpb, hfx_bog , npb, hfx_bog_1d(1:nbpb) , jpi, jpj ) |
---|
| 539 | CALL tab_1d_2d( nbpb, hfx_dif , npb, hfx_dif_1d(1:nbpb) , jpi, jpj ) |
---|
| 540 | CALL tab_1d_2d( nbpb, hfx_opw , npb, hfx_opw_1d(1:nbpb) , jpi, jpj ) |
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| 541 | CALL tab_1d_2d( nbpb, hfx_snw , npb, hfx_snw_1d(1:nbpb) , jpi, jpj ) |
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| 542 | CALL tab_1d_2d( nbpb, hfx_sub , npb, hfx_sub_1d(1:nbpb) , jpi, jpj ) |
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| 543 | CALL tab_1d_2d( nbpb, hfx_err , npb, hfx_err_1d(1:nbpb) , jpi, jpj ) |
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| 544 | CALL tab_1d_2d( nbpb, hfx_res , npb, hfx_res_1d(1:nbpb) , jpi, jpj ) |
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| 545 | CALL tab_1d_2d( nbpb, hfx_err_rem , npb, hfx_err_rem_1d(1:nbpb), jpi, jpj ) |
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[5146] | 546 | CALL tab_1d_2d( nbpb, hfx_err_dif , npb, hfx_err_dif_1d(1:nbpb), jpi, jpj ) |
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[5123] | 547 | ! |
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| 548 | CALL tab_1d_2d( nbpb, qns_ice(:,:,jl), npb, qns_ice_1d(1:nbpb) , jpi, jpj) |
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| 549 | CALL tab_1d_2d( nbpb, ftr_ice(:,:,jl), npb, ftr_ice_1d(1:nbpb) , jpi, jpj ) |
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[8239] | 550 | ! |
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| 551 | ! SIMIP diagnostics |
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| 552 | CALL tab_1d_2d( nbpb, t_si(:,:,jl) , npb, t_si_1d (1:nbpb) , jpi, jpj ) |
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| 553 | CALL tab_1d_2d( nbpb, diag_fc_bo , npb, diag_fc_bo_1d(1:nbpb) , jpi, jpj ) |
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| 554 | CALL tab_1d_2d( nbpb, diag_fc_su , npb, diag_fc_su_1d(1:nbpb) , jpi, jpj ) |
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[5123] | 555 | END SELECT |
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[6140] | 556 | ! |
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[5123] | 557 | END SUBROUTINE lim_thd_1d2d |
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| 558 | |
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| 559 | |
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[825] | 560 | SUBROUTINE lim_thd_init |
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| 561 | !!----------------------------------------------------------------------- |
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| 562 | !! *** ROUTINE lim_thd_init *** |
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| 563 | !! |
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| 564 | !! ** Purpose : Physical constants and parameters linked to the ice |
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[1572] | 565 | !! thermodynamics |
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[825] | 566 | !! |
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| 567 | !! ** Method : Read the namicethd namelist and check the ice-thermo |
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[1572] | 568 | !! parameter values called at the first timestep (nit000) |
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[825] | 569 | !! |
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| 570 | !! ** input : Namelist namicether |
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[2528] | 571 | !!------------------------------------------------------------------- |
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[4147] | 572 | INTEGER :: ios ! Local integer output status for namelist read |
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[8313] | 573 | NAMELIST/namicethd/ rn_kappa_i, nn_ice_thcon, ln_dqnsice, rn_cdsn, & |
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| 574 | & ln_limdH, rn_betas, & |
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| 575 | & ln_limdA, rn_beta, rn_dmin, & |
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[8321] | 576 | & ln_limdO, rn_hnewice, ln_frazil, rn_maxfrazb, rn_vfrazb, rn_Cfrazb, rn_himin, & |
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| 577 | & nn_limflx |
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[825] | 578 | !!------------------------------------------------------------------- |
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[2528] | 579 | ! |
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[4147] | 580 | REWIND( numnam_ice_ref ) ! Namelist namicethd in reference namelist : Ice thermodynamics |
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| 581 | READ ( numnam_ice_ref, namicethd, IOSTAT = ios, ERR = 901) |
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| 582 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namicethd in reference namelist', lwp ) |
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| 583 | |
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| 584 | REWIND( numnam_ice_cfg ) ! Namelist namicethd in configuration namelist : Ice thermodynamics |
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| 585 | READ ( numnam_ice_cfg, namicethd, IOSTAT = ios, ERR = 902 ) |
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| 586 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namicethd in configuration namelist', lwp ) |
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[4624] | 587 | IF(lwm) WRITE ( numoni, namicethd ) |
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[5123] | 588 | ! |
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[7813] | 589 | ! |
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[1572] | 590 | IF(lwp) THEN ! control print |
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[7646] | 591 | WRITE(numout,*) 'lim_thd_init : Ice Thermodynamics' |
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| 592 | WRITE(numout,*) '~~~~~~~~~~~~~' |
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| 593 | WRITE(numout,*)' -- limthd_dif --' |
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| 594 | WRITE(numout,*)' extinction radiation parameter in sea ice rn_kappa_i = ', rn_kappa_i |
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| 595 | WRITE(numout,*)' switch for comp. of thermal conductivity in the ice nn_ice_thcon = ', nn_ice_thcon |
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[8313] | 596 | WRITE(numout,*)' change the surface non-solar flux with Tsu or not ln_dqnsice = ', ln_dqnsice |
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[7813] | 597 | WRITE(numout,*)' thermal conductivity of the snow rn_cdsn = ', rn_cdsn |
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[7646] | 598 | WRITE(numout,*)' -- limthd_dh --' |
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| 599 | WRITE(numout,*)' activate ice thick change from top/bot (T) or not (F) ln_limdH = ', ln_limdH |
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| 600 | WRITE(numout,*)' coefficient for ice-lead partition of snowfall rn_betas = ', rn_betas |
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| 601 | WRITE(numout,*)' -- limthd_da --' |
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| 602 | WRITE(numout,*)' activate lateral melting (T) or not (F) ln_limdA = ', ln_limdA |
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| 603 | WRITE(numout,*)' Coef. beta for lateral melting param. rn_beta = ', rn_beta |
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| 604 | WRITE(numout,*)' Minimum floe diameter for lateral melting param. rn_dmin = ', rn_dmin |
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| 605 | WRITE(numout,*)' -- limthd_lac --' |
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| 606 | WRITE(numout,*)' activate ice growth in open-water (T) or not (F) ln_limdO = ', ln_limdO |
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[5123] | 607 | WRITE(numout,*)' ice thick. for lateral accretion rn_hnewice = ', rn_hnewice |
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| 608 | WRITE(numout,*)' Frazil ice thickness as a function of wind or not ln_frazil = ', ln_frazil |
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| 609 | WRITE(numout,*)' Maximum proportion of frazil ice collecting at bottom rn_maxfrazb = ', rn_maxfrazb |
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| 610 | WRITE(numout,*)' Thresold relative drift speed for collection of frazil rn_vfrazb = ', rn_vfrazb |
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| 611 | WRITE(numout,*)' Squeezing coefficient for collection of frazil rn_Cfrazb = ', rn_Cfrazb |
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[7646] | 612 | WRITE(numout,*)' -- limitd_th --' |
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[5123] | 613 | WRITE(numout,*)' minimum ice thickness rn_himin = ', rn_himin |
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[4688] | 614 | WRITE(numout,*)' check heat conservation in the ice/snow con_i = ', con_i |
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[8321] | 615 | WRITE(numout,*)' -- icestp --' |
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| 616 | WRITE(numout,*)' Multicategory heat flux formulation nn_limflx = ', nn_limflx |
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[825] | 617 | ENDIF |
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[1572] | 618 | ! |
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[8313] | 619 | IF ( rn_hnewice < rn_himin ) CALL ctl_stop( 'STOP', 'lim_thd_init : rn_hnewice should be >= rn_himin' ) |
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| 620 | ! |
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[8321] | 621 | IF(lwp) WRITE(numout,*) |
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| 622 | SELECT CASE( nn_limflx ) ! LIM3 Multi-category heat flux formulation |
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| 623 | CASE ( -1 ) |
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| 624 | IF(lwp) WRITE(numout,*) ' LIM3: use per-category fluxes (nn_limflx = -1) ' |
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| 625 | IF( ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in coupled mode must be 0 or 2' ) |
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| 626 | CASE ( 0 ) |
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| 627 | IF(lwp) WRITE(numout,*) ' LIM3: use average per-category fluxes (nn_limflx = 0) ' |
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| 628 | CASE ( 1 ) |
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| 629 | IF(lwp) WRITE(numout,*) ' LIM3: use average then redistribute per-category fluxes (nn_limflx = 1) ' |
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| 630 | IF( ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in coupled mode must be 0 or 2' ) |
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| 631 | CASE ( 2 ) |
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| 632 | IF(lwp) WRITE(numout,*) ' LIM3: Redistribute a single flux over categories (nn_limflx = 2) ' |
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| 633 | IF( .NOT. ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in forced mode cannot be 2' ) |
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| 634 | CASE DEFAULT |
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| 635 | CALL ctl_stop( 'sbcmod: LIM3 option, nn_limflx, should be between -1 and 2' ) |
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| 636 | END SELECT |
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| 637 | ! |
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[825] | 638 | END SUBROUTINE lim_thd_init |
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| 639 | |
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| 640 | #else |
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[1572] | 641 | !!---------------------------------------------------------------------- |
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[2528] | 642 | !! Default option Dummy module NO LIM3 sea-ice model |
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[1572] | 643 | !!---------------------------------------------------------------------- |
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[825] | 644 | #endif |
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| 645 | |
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| 646 | !!====================================================================== |
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| 647 | END MODULE limthd |
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