[8586] | 1 | MODULE icethd |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icethd *** |
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| 4 | !! sea-ice : master routine for thermodynamics |
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| 5 | !!====================================================================== |
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[9656] | 6 | !! History : 1.0 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, T. Fichefet) original code 1D |
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[9604] | 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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[8586] | 8 | !!---------------------------------------------------------------------- |
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[9570] | 9 | #if defined key_si3 |
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[8586] | 10 | !!---------------------------------------------------------------------- |
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[9570] | 11 | !! 'key_si3' SI3 sea-ice model |
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[8586] | 12 | !!---------------------------------------------------------------------- |
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| 13 | !! ice_thd : thermodynamics of sea ice |
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| 14 | !! ice_thd_init : initialisation of sea-ice thermodynamics |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE phycst ! physical constants |
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| 17 | USE dom_oce ! ocean space and time domain variables |
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| 18 | USE ice ! sea-ice: variables |
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| 19 | !!gm list trop longue ==>>> why not passage en argument d'appel ? |
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| 20 | USE sbc_oce , ONLY : sss_m, sst_m, e3t_m, utau, vtau, ssu_m, ssv_m, frq_m, qns_tot, qsr_tot, sprecip, ln_cpl |
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| 21 | 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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[8813] | 22 | & qml_ice, qcn_ice, qsr_ice_tr |
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[8586] | 23 | USE ice1D ! sea-ice: thermodynamics variables |
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| 24 | USE icethd_zdf ! sea-ice: vertical heat diffusion |
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| 25 | USE icethd_dh ! sea-ice: ice-snow growth and melt |
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| 26 | USE icethd_da ! sea-ice: lateral melting |
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| 27 | USE icethd_sal ! sea-ice: salinity |
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| 28 | USE icethd_ent ! sea-ice: enthalpy redistribution |
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| 29 | USE icethd_do ! sea-ice: growth in open water |
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[8637] | 30 | USE icethd_pnd ! sea-ice: melt ponds |
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[8586] | 31 | USE iceitd ! sea-ice: remapping thickness distribution |
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| 32 | USE icetab ! sea-ice: 1D <==> 2D transformation |
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| 33 | USE icevar ! sea-ice: operations |
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| 34 | USE icectl ! sea-ice: control print |
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| 35 | ! |
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| 36 | USE in_out_manager ! I/O manager |
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| 37 | USE lib_mpp ! MPP library |
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| 38 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 39 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 40 | USE timing ! Timing |
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| 41 | |
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| 42 | IMPLICIT NONE |
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| 43 | PRIVATE |
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| 44 | |
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| 45 | PUBLIC ice_thd ! called by limstp module |
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| 46 | PUBLIC ice_thd_init ! called by ice_init |
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| 47 | |
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| 48 | !!** namelist (namthd) ** |
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| 49 | LOGICAL :: ln_icedH ! activate ice thickness change from growing/melting (T) or not (F) |
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| 50 | LOGICAL :: ln_icedA ! activate lateral melting param. (T) or not (F) |
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| 51 | LOGICAL :: ln_icedO ! activate ice growth in open-water (T) or not (F) |
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| 52 | LOGICAL :: ln_icedS ! activate gravity drainage and flushing (T) or not (F) |
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| 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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[9598] | 57 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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[8586] | 58 | !! $Id: icethd.F90 8420 2017-08-08 12:18:46Z clem $ |
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[9598] | 59 | !! Software governed by the CeCILL licence (./LICENSE) |
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[8586] | 60 | !!---------------------------------------------------------------------- |
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| 61 | CONTAINS |
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| 62 | |
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| 63 | SUBROUTINE ice_thd( kt ) |
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| 64 | !!------------------------------------------------------------------- |
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| 65 | !! *** ROUTINE ice_thd *** |
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| 66 | !! |
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| 67 | !! ** Purpose : This routine manages ice thermodynamics |
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| 68 | !! |
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[9604] | 69 | !! ** Action : - computation of oceanic sensible heat flux at the ice base |
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| 70 | !! energy budget in the leads |
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| 71 | !! net fluxes on top of ice and of ocean |
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| 72 | !! - selection of grid cells with ice |
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| 73 | !! - call ice_thd_zdf for vertical heat diffusion |
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| 74 | !! - call ice_thd_dh for vertical ice growth and melt |
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| 75 | !! - call ice_thd_pnd for melt ponds |
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| 76 | !! - call ice_thd_ent for enthalpy remapping |
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| 77 | !! - call ice_thd_sal for ice desalination |
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| 78 | !! - call ice_thd_temp to retrieve temperature from ice enthalpy |
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| 79 | !! - call ice_thd_lam for extra lateral ice melt if active virtual thickness distribution |
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| 80 | !! - call ice_thd_da for lateral ice melt |
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[8586] | 81 | !! - back to the geographic grid |
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[9604] | 82 | !! - call ice_thd_rem for remapping thickness distribution |
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| 83 | !! - call ice_thd_do for ice growth in leads |
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[8637] | 84 | !!------------------------------------------------------------------- |
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[8586] | 85 | INTEGER, INTENT(in) :: kt ! number of iteration |
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| 86 | ! |
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| 87 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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| 88 | REAL(wp) :: zfric_u, zqld, zqfr, zqfr_neg |
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| 89 | REAL(wp), PARAMETER :: zfric_umin = 0._wp ! lower bound for the friction velocity (cice value=5.e-04) |
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| 90 | REAL(wp), PARAMETER :: zch = 0.0057_wp ! heat transfer coefficient |
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| 91 | REAL(wp), DIMENSION(jpi,jpj) :: zu_io, zv_io, zfric ! ice-ocean velocity (m/s) and frictional velocity (m2/s2) |
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| 92 | ! |
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| 93 | !!------------------------------------------------------------------- |
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| 94 | ! controls |
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[9124] | 95 | IF( ln_timing ) CALL timing_start('icethd') ! timing |
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| 96 | IF( ln_icediachk ) CALL ice_cons_hsm(0, 'icethd', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) ! conservation |
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[8586] | 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,*) 'ice_thd: sea-ice thermodynamics' |
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| 101 | WRITE(numout,*) '~~~~~~~' |
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| 102 | ENDIF |
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| 103 | |
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| 104 | CALL ice_var_glo2eqv |
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| 105 | |
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| 106 | !---------------------------------------------! |
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| 107 | ! computation of friction velocity at T points |
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| 108 | !---------------------------------------------! |
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| 109 | IF( ln_icedyn ) THEN |
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| 110 | zu_io(:,:) = u_ice(:,:) - ssu_m(:,:) |
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| 111 | zv_io(:,:) = v_ice(:,:) - ssv_m(:,:) |
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| 112 | DO jj = 2, jpjm1 |
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| 113 | DO ji = fs_2, fs_jpim1 |
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| 114 | zfric(ji,jj) = rn_cio * ( 0.5_wp * & |
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| 115 | & ( zu_io(ji,jj) * zu_io(ji,jj) + zu_io(ji-1,jj) * zu_io(ji-1,jj) & |
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| 116 | & + 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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| 117 | END DO |
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| 118 | END DO |
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| 119 | ELSE ! if no ice dynamics => transmit directly the atmospheric stress to the ocean |
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| 120 | DO jj = 2, jpjm1 |
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| 121 | DO ji = fs_2, fs_jpim1 |
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| 122 | zfric(ji,jj) = r1_rau0 * SQRT( 0.5_wp * & |
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| 123 | & ( utau(ji,jj) * utau(ji,jj) + utau(ji-1,jj) * utau(ji-1,jj) & |
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| 124 | & + vtau(ji,jj) * vtau(ji,jj) + vtau(ji,jj-1) * vtau(ji,jj-1) ) ) * tmask(ji,jj,1) |
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| 125 | END DO |
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| 126 | END DO |
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| 127 | ENDIF |
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| 128 | CALL lbc_lnk( zfric, 'T', 1. ) |
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| 129 | ! |
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| 130 | ftr_ice(:,:,:) = 0._wp ! initialization (part of solar radiation transmitted through the ice) |
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| 131 | |
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| 132 | !--------------------------------------------------------------------! |
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| 133 | ! Partial computation of forcing for the thermodynamic sea ice model |
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| 134 | !--------------------------------------------------------------------! |
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| 135 | DO jj = 1, jpj |
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| 136 | DO ji = 1, jpi |
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| 137 | rswitch = tmask(ji,jj,1) * MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) - epsi10 ) ) ! 0 if no ice |
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| 138 | ! |
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| 139 | ! ! solar irradiance transmission at the mixed layer bottom and used in the lead heat budget |
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| 140 | ! ! practically no "direct lateral ablation" |
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| 141 | ! |
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| 142 | ! ! net downward heat flux from the ice to the ocean, expressed as a function of ocean |
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| 143 | ! ! temperature and turbulent mixing (McPhee, 1992) |
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| 144 | ! |
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| 145 | ! --- Energy received in the lead, zqld is defined everywhere (J.m-2) --- ! |
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| 146 | zqld = tmask(ji,jj,1) * rdt_ice * & |
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| 147 | & ( ( 1._wp - at_i_b(ji,jj) ) * qsr_oce(ji,jj) * frq_m(ji,jj) + & |
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| 148 | & ( 1._wp - at_i_b(ji,jj) ) * qns_oce(ji,jj) + qemp_oce(ji,jj) ) |
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| 149 | |
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| 150 | ! --- Energy needed to bring ocean surface layer until its freezing (<0, J.m-2) --- ! |
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| 151 | ! includes supercooling potential energy (>0) or "above-freezing" energy (<0) |
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| 152 | zqfr = tmask(ji,jj,1) * rau0 * rcp * e3t_m(ji,jj) * ( t_bo(ji,jj) - ( sst_m(ji,jj) + rt0 ) ) |
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| 153 | |
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| 154 | ! --- Above-freezing sensible heat content (J/m2 grid) |
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| 155 | 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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| 156 | |
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| 157 | ! --- Sensible ocean-to-ice heat flux (W/m2) |
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| 158 | zfric_u = MAX( SQRT( zfric(ji,jj) ), zfric_umin ) |
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| 159 | 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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| 160 | |
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| 161 | fhtur(ji,jj) = rswitch * MIN( fhtur(ji,jj), - zqfr_neg * r1_rdtice / MAX( at_i(ji,jj), epsi10 ) ) |
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| 162 | ! upper bound for fhtur: the heat retrieved from the ocean must be smaller than the heat necessary to reach |
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| 163 | ! the freezing point, so that we do not have SST < T_freeze |
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| 164 | ! This implies: - ( fhtur(ji,jj) * at_i(ji,jj) * rtdice ) - zqfr >= 0 |
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| 165 | |
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| 166 | !-- Energy Budget of the leads (J.m-2), source of lateral accretion. Must be < 0 to form ice |
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| 167 | qlead(ji,jj) = MIN( 0._wp , zqld - ( fhtur(ji,jj) * at_i(ji,jj) * rdt_ice ) - zqfr ) |
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| 168 | |
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| 169 | ! 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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| 170 | IF( zqld > 0._wp ) THEN |
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| 171 | 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 icethd_dh.F90 |
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| 172 | qlead(ji,jj) = 0._wp |
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| 173 | ELSE |
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| 174 | fhld (ji,jj) = 0._wp |
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| 175 | ENDIF |
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| 176 | ! |
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| 177 | ! Net heat flux on top of the ice-ocean [W.m-2] |
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| 178 | ! --------------------------------------------- |
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| 179 | hfx_in(ji,jj) = qns_tot(ji,jj) + qsr_tot(ji,jj) |
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| 180 | END DO |
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| 181 | END DO |
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| 182 | |
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| 183 | ! In case we bypass open-water ice formation |
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| 184 | IF( .NOT. ln_icedO ) qlead(:,:) = 0._wp |
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| 185 | ! In case we bypass growing/melting from top and bottom: we suppose ice is impermeable => ocean is isolated from atmosphere |
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| 186 | IF( .NOT. ln_icedH ) THEN |
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| 187 | hfx_in(:,:) = ( 1._wp - at_i_b(:,:) ) * ( qns_oce(:,:) + qsr_oce(:,:) ) + qemp_oce(:,:) |
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| 188 | fhtur (:,:) = 0._wp |
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| 189 | fhld (:,:) = 0._wp |
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| 190 | ENDIF |
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| 191 | |
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| 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 icethd_dh : heat remaining if total melt (zq_rema) |
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| 197 | ! Third step in iceupdate.F90 : heat from ice-ocean mass exchange (zf_mass) + solar |
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| 198 | hfx_out(:,:) = ( 1._wp - at_i_b(:,:) ) * qns_oce(:,:) + qemp_oce(:,:) & ! Non solar heat flux received by the ocean |
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| 199 | & - qlead(:,:) * r1_rdtice & ! heat flux taken from the ocean where there is open water ice formation |
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| 200 | & - at_i (:,:) * fhtur(:,:) & ! heat flux taken by turbulence |
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| 201 | & - at_i (:,:) * fhld(:,:) ! heat flux taken during bottom growth/melt |
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| 202 | ! (fhld should be 0 while bott growth) |
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| 203 | !-------------------------------------------------------------------------------------------! |
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| 204 | ! Thermodynamic computation (only on grid points covered by ice) => loop over ice categories |
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| 205 | !-------------------------------------------------------------------------------------------! |
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| 206 | DO jl = 1, jpl |
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| 207 | |
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| 208 | ! select ice covered grid points |
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| 209 | npti = 0 ; nptidx(:) = 0 |
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| 210 | DO jj = 1, jpj |
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| 211 | DO ji = 1, jpi |
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| 212 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
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| 213 | npti = npti + 1 |
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| 214 | nptidx(npti) = (jj - 1) * jpi + ji |
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| 215 | ENDIF |
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| 216 | END DO |
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| 217 | END DO |
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| 218 | |
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| 219 | IF( lk_mpp ) CALL mpp_ini_ice( npti , numout ) |
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| 220 | |
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| 221 | IF( npti > 0 ) THEN ! If there is no ice, do nothing. |
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| 222 | ! |
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| 223 | CALL ice_thd_1d2d( jl, 1 ) ! --- Move to 1D arrays --- ! |
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| 224 | ! ! --- & Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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| 225 | ! |
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| 226 | s_i_new (1:npti) = 0._wp ; dh_s_tot (1:npti) = 0._wp ! --- some init --- ! (important to have them here) |
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| 227 | dh_i_surf (1:npti) = 0._wp ; dh_i_bott(1:npti) = 0._wp |
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[8637] | 228 | dh_snowice(1:npti) = 0._wp ; dh_i_sub (1:npti) = 0._wp ; dh_s_mlt(1:npti) = 0._wp |
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[8586] | 229 | ! |
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| 230 | IF( ln_icedH ) THEN ! --- growing/melting --- ! |
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| 231 | CALL ice_thd_zdf ! Ice/Snow Temperature profile |
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| 232 | CALL ice_thd_dh ! Ice/Snow thickness |
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[8637] | 233 | CALL ice_thd_pnd ! Melt ponds formation |
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[8586] | 234 | CALL ice_thd_ent( e_i_1d(1:npti,:) ) ! Ice enthalpy remapping |
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| 235 | ENDIF |
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| 236 | ! |
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| 237 | CALL ice_thd_sal( ln_icedS ) ! --- Ice salinity --- ! |
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| 238 | ! |
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| 239 | CALL ice_thd_temp ! --- temperature update --- ! |
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| 240 | ! |
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| 241 | !!gm please create a new logical (l_thd_lam or a better explicit name) set one for all in icestp.F90 module |
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[9076] | 242 | !!gm l_thd_lam = ln_icedH .AND. ( ( nn_virtual_itd == 1 .OR. nn_virtual_itd == 4 ) .AND. jpl == 1 ) |
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| 243 | !!gm by the way, the different options associated with nn_virtual_itd =1 to 4 are quite impossible to identify |
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[8586] | 244 | !!gm more comment to add when ready the namelist, with an explicit print in the ocean.output |
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| 245 | IF( ln_icedH ) THEN |
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[9076] | 246 | IF ( ( nn_virtual_itd == 1 .OR. nn_virtual_itd == 3 ) .AND. jpl == 1 ) THEN |
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| 247 | CALL ice_thd_lam ! --- extra lateral melting if virtual_itd --- ! |
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[8586] | 248 | END IF |
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| 249 | END IF |
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| 250 | ! |
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| 251 | IF( ln_icedA ) CALL ice_thd_da ! --- lateral melting --- ! |
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| 252 | ! |
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| 253 | CALL ice_thd_1d2d( jl, 2 ) ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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| 254 | ! ! --- & Move to 2D arrays --- ! |
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| 255 | ! |
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| 256 | IF( lk_mpp ) CALL mpp_comm_free( ncomm_ice ) !RB necessary ?? |
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| 257 | ENDIF |
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| 258 | ! |
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| 259 | END DO |
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| 260 | ! update ice age (in case a_i changed, i.e. becomes 0 or lateral melting) |
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| 261 | oa_i(:,:,:) = o_i(:,:,:) * a_i(:,:,:) |
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| 262 | |
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| 263 | IF( ln_icediachk ) CALL ice_cons_hsm(1, 'icethd', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) |
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| 264 | ! |
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| 265 | CALL ice_var_zapsmall ! --- remove very small ice concentration (<1e-10) --- ! |
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| 266 | ! ! & make sure at_i=SUM(a_i) & ato_i=1 where at_i=0 |
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| 267 | ! |
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[9124] | 268 | IF( jpl > 1 ) CALL ice_itd_rem( kt ) ! --- Transport ice between thickness categories --- ! |
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[8586] | 269 | ! |
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[9124] | 270 | IF( ln_icedO ) CALL ice_thd_do ! --- frazil ice growing in leads --- ! |
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[8586] | 271 | ! |
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| 272 | ! controls |
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[9124] | 273 | IF( ln_icectl ) CALL ice_prt (kt, iiceprt, jiceprt, 1, ' - ice thermodyn. - ') ! prints |
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| 274 | IF( ln_ctl ) CALL ice_prt3D ('icethd') ! prints |
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| 275 | IF( ln_timing ) CALL timing_stop('icethd') ! timing |
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[8586] | 276 | ! |
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| 277 | END SUBROUTINE ice_thd |
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| 278 | |
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| 279 | |
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| 280 | SUBROUTINE ice_thd_temp |
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| 281 | !!----------------------------------------------------------------------- |
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| 282 | !! *** ROUTINE ice_thd_temp *** |
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| 283 | !! |
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| 284 | !! ** Purpose : Computes sea ice temperature (Kelvin) from enthalpy |
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| 285 | !! |
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| 286 | !! ** Method : Formula (Bitz and Lipscomb, 1999) |
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| 287 | !!------------------------------------------------------------------- |
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| 288 | INTEGER :: ji, jk ! dummy loop indices |
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| 289 | REAL(wp) :: ztmelts, zbbb, zccc ! local scalar |
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| 290 | !!------------------------------------------------------------------- |
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| 291 | ! Recover ice temperature |
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| 292 | DO jk = 1, nlay_i |
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| 293 | DO ji = 1, npti |
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| 294 | ztmelts = -tmut * sz_i_1d(ji,jk) |
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| 295 | ! Conversion q(S,T) -> T (second order equation) |
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| 296 | zbbb = ( rcp - cpic ) * ztmelts + e_i_1d(ji,jk) * r1_rhoic - lfus |
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| 297 | zccc = SQRT( MAX( zbbb * zbbb - 4._wp * cpic * lfus * ztmelts, 0._wp ) ) |
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| 298 | t_i_1d(ji,jk) = rt0 - ( zbbb + zccc ) * 0.5_wp * r1_cpic |
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| 299 | |
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| 300 | ! mask temperature |
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| 301 | rswitch = 1._wp - MAX( 0._wp , SIGN( 1._wp , - h_i_1d(ji) ) ) |
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| 302 | t_i_1d(ji,jk) = rswitch * t_i_1d(ji,jk) + ( 1._wp - rswitch ) * rt0 |
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| 303 | END DO |
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| 304 | END DO |
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| 305 | ! |
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| 306 | END SUBROUTINE ice_thd_temp |
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| 307 | |
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| 308 | |
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| 309 | SUBROUTINE ice_thd_lam |
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| 310 | !!----------------------------------------------------------------------- |
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| 311 | !! *** ROUTINE ice_thd_lam *** |
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| 312 | !! |
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[9076] | 313 | !! ** Purpose : Lateral melting in case virtual_itd |
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[8586] | 314 | !! ( dA = A/2h dh ) |
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| 315 | !!----------------------------------------------------------------------- |
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| 316 | INTEGER :: ji ! dummy loop indices |
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| 317 | REAL(wp) :: zhi_bef ! ice thickness before thermo |
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| 318 | REAL(wp) :: zdh_mel, zda_mel ! net melting |
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| 319 | REAL(wp) :: zvi, zvs ! ice/snow volumes |
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| 320 | !!----------------------------------------------------------------------- |
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| 321 | ! |
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| 322 | DO ji = 1, npti |
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| 323 | zdh_mel = MIN( 0._wp, dh_i_surf(ji) + dh_i_bott(ji) + dh_snowice(ji) + dh_i_sub(ji) ) |
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| 324 | IF( zdh_mel < 0._wp .AND. a_i_1d(ji) > 0._wp ) THEN |
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| 325 | zvi = a_i_1d(ji) * h_i_1d(ji) |
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| 326 | zvs = a_i_1d(ji) * h_s_1d(ji) |
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| 327 | ! lateral melting = concentration change |
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| 328 | zhi_bef = h_i_1d(ji) - zdh_mel |
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| 329 | rswitch = MAX( 0._wp , SIGN( 1._wp , zhi_bef - epsi20 ) ) |
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| 330 | zda_mel = rswitch * a_i_1d(ji) * zdh_mel / ( 2._wp * MAX( zhi_bef, epsi20 ) ) |
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| 331 | a_i_1d(ji) = MAX( epsi20, a_i_1d(ji) + zda_mel ) |
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| 332 | ! adjust thickness |
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| 333 | h_i_1d(ji) = zvi / a_i_1d(ji) |
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| 334 | h_s_1d(ji) = zvs / a_i_1d(ji) |
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| 335 | ! retrieve total concentration |
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| 336 | at_i_1d(ji) = a_i_1d(ji) |
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| 337 | END IF |
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| 338 | END DO |
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| 339 | ! |
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| 340 | END SUBROUTINE ice_thd_lam |
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| 341 | |
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| 342 | |
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| 343 | SUBROUTINE ice_thd_1d2d( kl, kn ) |
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| 344 | !!----------------------------------------------------------------------- |
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| 345 | !! *** ROUTINE ice_thd_1d2d *** |
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| 346 | !! |
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| 347 | !! ** Purpose : move arrays from 1d to 2d and the reverse |
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| 348 | !!----------------------------------------------------------------------- |
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| 349 | INTEGER, INTENT(in) :: kl ! index of the ice category |
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| 350 | INTEGER, INTENT(in) :: kn ! 1= from 2D to 1D ; 2= from 1D to 2D |
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| 351 | ! |
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| 352 | INTEGER :: jk ! dummy loop indices |
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| 353 | !!----------------------------------------------------------------------- |
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| 354 | ! |
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| 355 | SELECT CASE( kn ) |
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| 356 | ! !---------------------! |
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| 357 | CASE( 1 ) !== from 2D to 1D ==! |
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| 358 | ! !---------------------! |
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| 359 | CALL tab_2d_1d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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| 360 | CALL tab_2d_1d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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[8637] | 361 | CALL tab_2d_1d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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| 362 | CALL tab_2d_1d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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[8586] | 363 | CALL tab_2d_1d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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[8637] | 364 | CALL tab_2d_1d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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[8586] | 365 | DO jk = 1, nlay_s |
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[8637] | 366 | CALL tab_2d_1d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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| 367 | CALL tab_2d_1d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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[8586] | 368 | END DO |
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| 369 | DO jk = 1, nlay_i |
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[8637] | 370 | CALL tab_2d_1d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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| 371 | CALL tab_2d_1d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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| 372 | CALL tab_2d_1d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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[8586] | 373 | END DO |
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[8637] | 374 | CALL tab_2d_1d( npti, nptidx(1:npti), a_ip_1d (1:npti), a_ip (:,:,kl) ) |
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| 375 | CALL tab_2d_1d( npti, nptidx(1:npti), h_ip_1d (1:npti), h_ip (:,:,kl) ) |
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| 376 | CALL tab_2d_1d( npti, nptidx(1:npti), a_ip_frac_1d(1:npti), a_ip_frac(:,:,kl) ) |
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[8586] | 377 | ! |
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| 378 | CALL tab_2d_1d( npti, nptidx(1:npti), qprec_ice_1d(1:npti), qprec_ice ) |
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| 379 | CALL tab_2d_1d( npti, nptidx(1:npti), qsr_ice_1d (1:npti), qsr_ice (:,:,kl) ) |
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| 380 | CALL tab_2d_1d( npti, nptidx(1:npti), qns_ice_1d (1:npti), qns_ice (:,:,kl) ) |
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| 381 | CALL tab_2d_1d( npti, nptidx(1:npti), ftr_ice_1d (1:npti), ftr_ice (:,:,kl) ) |
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| 382 | CALL tab_2d_1d( npti, nptidx(1:npti), evap_ice_1d (1:npti), evap_ice(:,:,kl) ) |
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| 383 | CALL tab_2d_1d( npti, nptidx(1:npti), dqns_ice_1d (1:npti), dqns_ice(:,:,kl) ) |
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| 384 | CALL tab_2d_1d( npti, nptidx(1:npti), t_bo_1d (1:npti), t_bo ) |
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| 385 | CALL tab_2d_1d( npti, nptidx(1:npti), sprecip_1d (1:npti), sprecip ) |
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| 386 | CALL tab_2d_1d( npti, nptidx(1:npti), fhtur_1d (1:npti), fhtur ) |
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| 387 | CALL tab_2d_1d( npti, nptidx(1:npti), fhld_1d (1:npti), fhld ) |
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[8813] | 388 | |
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| 389 | CALL tab_2d_1d( npti, nptidx(1:npti), qml_ice_1d (1:npti), qml_ice (:,:,kl) ) |
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| 390 | CALL tab_2d_1d( npti, nptidx(1:npti), qcn_ice_1d (1:npti), qcn_ice (:,:,kl) ) |
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| 391 | CALL tab_2d_1d( npti, nptidx(1:npti), qsr_ice_tr_1d(1:npti), qsr_ice_tr (:,:,kl) ) |
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[8586] | 392 | ! |
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| 393 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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| 394 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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| 395 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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| 396 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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| 397 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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| 398 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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| 399 | ! |
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| 400 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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| 401 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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| 402 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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| 403 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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| 404 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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| 405 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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| 406 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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[8637] | 407 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_pnd_1d (1:npti), wfx_pnd ) |
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[8586] | 408 | ! |
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| 409 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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| 410 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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| 411 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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| 412 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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| 413 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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| 414 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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| 415 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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| 416 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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| 417 | ! |
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| 418 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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| 419 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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| 420 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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| 421 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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| 422 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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| 423 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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| 424 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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| 425 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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| 426 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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| 427 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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| 428 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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| 429 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_err_rem_1d(1:npti), hfx_err_rem ) |
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| 430 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_out_1d (1:npti), hfx_out ) |
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| 431 | ! |
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| 432 | ! SIMIP diagnostics |
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| 433 | CALL tab_2d_1d( npti, nptidx(1:npti), diag_fc_bo_1d(1:npti), diag_fc_bo ) |
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| 434 | CALL tab_2d_1d( npti, nptidx(1:npti), diag_fc_su_1d(1:npti), diag_fc_su ) |
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| 435 | ! ocean surface fields |
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| 436 | CALL tab_2d_1d( npti, nptidx(1:npti), sst_1d(1:npti), sst_m ) |
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| 437 | CALL tab_2d_1d( npti, nptidx(1:npti), sss_1d(1:npti), sss_m ) |
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| 438 | |
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| 439 | ! --- Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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| 440 | DO jk = 1, nlay_i |
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| 441 | WHERE( h_i_1d(1:npti)>0._wp ) e_i_1d(1:npti,jk) = e_i_1d(1:npti,jk) / (h_i_1d(1:npti) * a_i_1d(1:npti)) * nlay_i |
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| 442 | END DO |
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| 443 | DO jk = 1, nlay_s |
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| 444 | WHERE( h_s_1d(1:npti)>0._wp ) e_s_1d(1:npti,jk) = e_s_1d(1:npti,jk) / (h_s_1d(1:npti) * a_i_1d(1:npti)) * nlay_s |
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| 445 | END DO |
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| 446 | ! |
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| 447 | ! !---------------------! |
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| 448 | CASE( 2 ) !== from 1D to 2D ==! |
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| 449 | ! !---------------------! |
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| 450 | ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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| 451 | DO jk = 1, nlay_i |
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| 452 | e_i_1d(1:npti,jk) = e_i_1d(1:npti,jk) * h_i_1d(1:npti) * a_i_1d(1:npti) * r1_nlay_i |
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| 453 | END DO |
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| 454 | DO jk = 1, nlay_s |
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| 455 | e_s_1d(1:npti,jk) = e_s_1d(1:npti,jk) * h_s_1d(1:npti) * a_i_1d(1:npti) * r1_nlay_s |
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| 456 | END DO |
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| 457 | ! |
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| 458 | ! Change thickness to volume (replaces routine ice_var_eqv2glo) |
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[8637] | 459 | v_i_1d (1:npti) = h_i_1d (1:npti) * a_i_1d (1:npti) |
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| 460 | v_s_1d (1:npti) = h_s_1d (1:npti) * a_i_1d (1:npti) |
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| 461 | sv_i_1d(1:npti) = s_i_1d (1:npti) * v_i_1d (1:npti) |
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| 462 | v_ip_1d(1:npti) = h_ip_1d(1:npti) * a_ip_1d(1:npti) |
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[8586] | 463 | |
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| 464 | CALL tab_1d_2d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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| 465 | CALL tab_1d_2d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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[8637] | 466 | CALL tab_1d_2d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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| 467 | CALL tab_1d_2d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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[8586] | 468 | CALL tab_1d_2d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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[8637] | 469 | CALL tab_1d_2d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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[8586] | 470 | DO jk = 1, nlay_s |
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[8637] | 471 | CALL tab_1d_2d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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| 472 | CALL tab_1d_2d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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[8586] | 473 | END DO |
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| 474 | DO jk = 1, nlay_i |
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[8637] | 475 | CALL tab_1d_2d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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| 476 | CALL tab_1d_2d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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| 477 | CALL tab_1d_2d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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[8586] | 478 | END DO |
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[8637] | 479 | CALL tab_1d_2d( npti, nptidx(1:npti), a_ip_1d (1:npti), a_ip (:,:,kl) ) |
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| 480 | CALL tab_1d_2d( npti, nptidx(1:npti), h_ip_1d (1:npti), h_ip (:,:,kl) ) |
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| 481 | CALL tab_1d_2d( npti, nptidx(1:npti), a_ip_frac_1d(1:npti), a_ip_frac(:,:,kl) ) |
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[8586] | 482 | ! |
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| 483 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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| 484 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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| 485 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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| 486 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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| 487 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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| 488 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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| 489 | ! |
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| 490 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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| 491 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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| 492 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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| 493 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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| 494 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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| 495 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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| 496 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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[8813] | 497 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_pnd_1d (1:npti), wfx_pnd ) |
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[8586] | 498 | ! |
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| 499 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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| 500 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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| 501 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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| 502 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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| 503 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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| 504 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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| 505 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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| 506 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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| 507 | ! |
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| 508 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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| 509 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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| 510 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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| 511 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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| 512 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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| 513 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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| 514 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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| 515 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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| 516 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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| 517 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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| 518 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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| 519 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_err_rem_1d(1:npti), hfx_err_rem ) |
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| 520 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_out_1d (1:npti), hfx_out ) |
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| 521 | ! |
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| 522 | CALL tab_1d_2d( npti, nptidx(1:npti), qns_ice_1d(1:npti), qns_ice(:,:,kl) ) |
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| 523 | CALL tab_1d_2d( npti, nptidx(1:npti), ftr_ice_1d(1:npti), ftr_ice(:,:,kl) ) |
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[8933] | 524 | ! effective conductivity and 1st layer temperature (for Jules coupling) |
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| 525 | CALL tab_1d_2d( npti, nptidx(1:npti), cnd_ice_1d(1:npti), cnd_ice(:,:,kl) ) |
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| 526 | CALL tab_1d_2d( npti, nptidx(1:npti), t1_ice_1d (1:npti), t1_ice (:,:,kl) ) |
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[8586] | 527 | ! SIMIP diagnostics |
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| 528 | CALL tab_1d_2d( npti, nptidx(1:npti), t_si_1d (1:npti), t_si(:,:,kl) ) |
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| 529 | CALL tab_1d_2d( npti, nptidx(1:npti), diag_fc_bo_1d(1:npti), diag_fc_bo ) |
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| 530 | CALL tab_1d_2d( npti, nptidx(1:npti), diag_fc_su_1d(1:npti), diag_fc_su ) |
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| 531 | ! extensive variables |
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| 532 | CALL tab_1d_2d( npti, nptidx(1:npti), v_i_1d (1:npti), v_i (:,:,kl) ) |
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| 533 | CALL tab_1d_2d( npti, nptidx(1:npti), v_s_1d (1:npti), v_s (:,:,kl) ) |
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| 534 | CALL tab_1d_2d( npti, nptidx(1:npti), sv_i_1d(1:npti), sv_i(:,:,kl) ) |
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[8637] | 535 | CALL tab_1d_2d( npti, nptidx(1:npti), v_ip_1d(1:npti), v_ip(:,:,kl) ) |
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[8586] | 536 | ! |
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| 537 | END SELECT |
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| 538 | ! |
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| 539 | END SUBROUTINE ice_thd_1d2d |
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| 540 | |
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| 541 | |
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| 542 | SUBROUTINE ice_thd_init |
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[8637] | 543 | !!------------------------------------------------------------------- |
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[8586] | 544 | !! *** ROUTINE ice_thd_init *** |
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| 545 | !! |
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| 546 | !! ** Purpose : Physical constants and parameters associated with |
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| 547 | !! ice thermodynamics |
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| 548 | !! |
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| 549 | !! ** Method : Read the namthd namelist and check the parameters |
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| 550 | !! called at the first timestep (nit000) |
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| 551 | !! |
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| 552 | !! ** input : Namelist namthd |
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| 553 | !!------------------------------------------------------------------- |
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| 554 | INTEGER :: ios ! Local integer output status for namelist read |
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| 555 | !! |
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| 556 | NAMELIST/namthd/ ln_icedH, ln_icedA, ln_icedO, ln_icedS |
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| 557 | !!------------------------------------------------------------------- |
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| 558 | ! |
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| 559 | REWIND( numnam_ice_ref ) ! Namelist namthd in reference namelist : Ice thermodynamics |
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| 560 | READ ( numnam_ice_ref, namthd, IOSTAT = ios, ERR = 901) |
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[9169] | 561 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namthd in reference namelist', lwp ) |
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[8586] | 562 | REWIND( numnam_ice_cfg ) ! Namelist namthd in configuration namelist : Ice thermodynamics |
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| 563 | READ ( numnam_ice_cfg, namthd, IOSTAT = ios, ERR = 902 ) |
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[9169] | 564 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namthd in configuration namelist', lwp ) |
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| 565 | IF(lwm) WRITE( numoni, namthd ) |
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[8586] | 566 | ! |
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| 567 | IF(lwp) THEN ! control print |
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[9169] | 568 | WRITE(numout,*) |
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[8586] | 569 | WRITE(numout,*) 'ice_thd_init: Ice Thermodynamics' |
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| 570 | WRITE(numout,*) '~~~~~~~~~~~~' |
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| 571 | WRITE(numout,*) ' Namelist namthd:' |
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| 572 | WRITE(numout,*) ' activate ice thick change from top/bot (T) or not (F) ln_icedH = ', ln_icedH |
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| 573 | WRITE(numout,*) ' activate lateral melting (T) or not (F) ln_icedA = ', ln_icedA |
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| 574 | WRITE(numout,*) ' activate ice growth in open-water (T) or not (F) ln_icedO = ', ln_icedO |
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| 575 | WRITE(numout,*) ' activate gravity drainage and flushing (T) or not (F) ln_icedS = ', ln_icedS |
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| 576 | ENDIF |
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| 577 | ! |
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| 578 | CALL ice_thd_zdf_init ! set ice heat diffusion parameters |
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| 579 | IF( ln_icedA ) CALL ice_thd_da_init ! set ice lateral melting parameters |
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| 580 | IF( ln_icedO ) CALL ice_thd_do_init ! set ice growth in open water parameters |
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| 581 | CALL ice_thd_sal_init ! set ice salinity parameters |
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[8637] | 582 | CALL ice_thd_pnd_init ! set melt ponds parameters |
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[8586] | 583 | ! |
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| 584 | END SUBROUTINE ice_thd_init |
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| 585 | |
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| 586 | #else |
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| 587 | !!---------------------------------------------------------------------- |
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[9570] | 588 | !! Default option Dummy module NO SI3 sea-ice model |
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[8586] | 589 | !!---------------------------------------------------------------------- |
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| 590 | #endif |
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| 591 | |
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| 592 | !!====================================================================== |
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| 593 | END MODULE icethd |
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