| 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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| 6 | !! History : 1.0 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, T. Fichefet) original code 1D |
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| 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_si3 |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_si3' SI3 sea-ice model |
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| 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, 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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| 22 | & qml_ice, qcn_ice, qtr_ice_top |
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| 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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| 30 | USE icethd_pnd ! sea-ice: melt ponds |
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| 31 | USE iceitd ! sea-ice: remapping thickness distribution |
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| 32 | USE icecor ! sea-ice: corrections |
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| 33 | USE icetab ! sea-ice: 1D <==> 2D transformation |
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| 34 | USE icevar ! sea-ice: operations |
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| 35 | USE icectl ! sea-ice: control print |
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| 36 | ! |
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| 37 | USE in_out_manager ! I/O manager |
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| 38 | USE iom ! I/O manager library |
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| 39 | USE lib_mpp ! MPP library |
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| 40 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 41 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 42 | USE timing ! Timing |
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| 43 | |
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| 44 | IMPLICIT NONE |
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| 45 | PRIVATE |
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| 46 | |
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| 47 | PUBLIC ice_thd ! called by limstp module |
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| 48 | PUBLIC ice_thd_init ! called by ice_init |
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| 49 | |
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| 50 | !! for convergence tests |
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| 51 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztice_cvgerr, ztice_cvgstp |
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| 52 | |
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| 53 | !! * Substitutions |
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| 54 | # include "do_loop_substitute.h90" |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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| 57 | !! $Id$ |
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| 58 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 59 | !!---------------------------------------------------------------------- |
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| 60 | CONTAINS |
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| 61 | |
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| 62 | SUBROUTINE ice_thd( kt ) |
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| 63 | !!------------------------------------------------------------------- |
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| 64 | !! *** ROUTINE ice_thd *** |
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| 65 | !! |
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| 66 | !! ** Purpose : This routine manages ice thermodynamics |
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| 67 | !! |
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| 68 | !! ** Action : - computation of oceanic sensible heat flux at the ice base |
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| 69 | !! energy budget in the leads |
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| 70 | !! net fluxes on top of ice and of ocean |
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| 71 | !! - selection of grid cells with ice |
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| 72 | !! - call ice_thd_zdf for vertical heat diffusion |
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| 73 | !! - call ice_thd_dh for vertical ice growth and melt |
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| 74 | !! - call ice_thd_pnd for melt ponds |
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| 75 | !! - call ice_thd_ent for enthalpy remapping |
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| 76 | !! - call ice_thd_sal for ice desalination |
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| 77 | !! - call ice_thd_temp to retrieve temperature from ice enthalpy |
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| 78 | !! - call ice_thd_mono for extra lateral ice melt if active virtual thickness distribution |
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| 79 | !! - call ice_thd_da for lateral ice melt |
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| 80 | !! - back to the geographic grid |
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| 81 | !! - call ice_thd_rem for remapping thickness distribution |
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| 82 | !! - call ice_thd_do for ice growth in leads |
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| 83 | !!------------------------------------------------------------------- |
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| 84 | INTEGER, INTENT(in) :: kt ! number of iteration |
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| 85 | ! |
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| 86 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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| 87 | !!------------------------------------------------------------------- |
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| 88 | ! controls |
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| 89 | IF( ln_timing ) CALL timing_start('icethd') ! timing |
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| 90 | 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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| 91 | IF( ln_icediachk ) CALL ice_cons2D (0, 'icethd', diag_v, diag_s, diag_t, diag_fv, diag_fs, diag_ft) ! conservation |
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| 92 | |
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| 93 | IF( kt == nit000 .AND. lwp ) THEN |
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| 94 | WRITE(numout,*) |
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| 95 | WRITE(numout,*) 'ice_thd: sea-ice thermodynamics' |
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| 96 | WRITE(numout,*) '~~~~~~~' |
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| 97 | ENDIF |
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| 98 | |
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| 99 | ! convergence tests |
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| 100 | IF( ln_zdf_chkcvg ) THEN |
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| 101 | ALLOCATE( ztice_cvgerr(jpi,jpj,jpl) , ztice_cvgstp(jpi,jpj,jpl) ) |
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| 102 | ztice_cvgerr = 0._wp ; ztice_cvgstp = 0._wp |
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| 103 | ENDIF |
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| 104 | ! |
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| 105 | CALL ice_thd_frazil !--- frazil ice: collection thickness (ht_i_new) & fraction of frazil (fraz_frac) |
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| 106 | ! |
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| 107 | !-------------------------------------------------------------------------------------------! |
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| 108 | ! Thermodynamic computation (only on grid points covered by ice) => loop over ice categories |
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| 109 | !-------------------------------------------------------------------------------------------! |
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| 110 | DO jl = 1, jpl |
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| 111 | |
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| 112 | ! select ice covered grid points |
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| 113 | npti = 0 ; nptidx(:) = 0 |
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| 114 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
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| 115 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
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| 116 | npti = npti + 1 |
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| 117 | nptidx(npti) = (jj - 1) * jpi + ji |
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| 118 | ENDIF |
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| 119 | END_2D |
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| 120 | |
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| 121 | IF( npti > 0 ) THEN ! If there is no ice, do nothing. |
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| 122 | ! |
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| 123 | CALL ice_thd_1d2d( jl, 1 ) ! --- Move to 1D arrays --- ! |
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| 124 | ! ! --- & Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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| 125 | ! |
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| 126 | 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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| 127 | dh_i_sum (1:npti) = 0._wp ; dh_i_bom(1:npti) = 0._wp ; dh_i_itm (1:npti) = 0._wp |
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| 128 | dh_i_sub (1:npti) = 0._wp ; dh_i_bog(1:npti) = 0._wp |
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| 129 | dh_snowice(1:npti) = 0._wp ; dh_s_mlt(1:npti) = 0._wp |
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| 130 | ! |
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| 131 | CALL ice_thd_zdf ! --- Ice-Snow temperature --- ! |
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| 132 | ! |
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| 133 | IF( ln_icedH ) THEN ! --- Growing/Melting --- ! |
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| 134 | CALL ice_thd_dh ! Ice-Snow thickness |
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| 135 | CALL ice_thd_ent( e_i_1d(1:npti,:) ) ! Ice enthalpy remapping |
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| 136 | ENDIF |
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| 137 | CALL ice_thd_sal( ln_icedS ) ! --- Ice salinity --- ! |
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| 138 | ! |
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| 139 | CALL ice_thd_temp ! --- Temperature update --- ! |
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| 140 | ! |
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| 141 | IF( ln_icedH .AND. ln_virtual_itd ) & |
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| 142 | & CALL ice_thd_mono ! --- Extra lateral melting if virtual_itd --- ! |
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| 143 | ! |
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| 144 | IF( ln_icedA ) CALL ice_thd_da ! --- Lateral melting --- ! |
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| 145 | ! |
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| 146 | CALL ice_thd_1d2d( jl, 2 ) ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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| 147 | ! ! --- & Move to 2D arrays --- ! |
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| 148 | ENDIF |
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| 149 | ! |
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| 150 | END DO |
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| 151 | ! |
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| 152 | 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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| 153 | IF( ln_icediachk ) CALL ice_cons2D (1, 'icethd', diag_v, diag_s, diag_t, diag_fv, diag_fs, diag_ft) |
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| 154 | ! |
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| 155 | IF ( ln_pnd .AND. ln_icedH ) & |
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| 156 | & CALL ice_thd_pnd ! --- Melt ponds --- ! |
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| 157 | ! |
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| 158 | IF( jpl > 1 ) CALL ice_itd_rem( kt ) ! --- Transport ice between thickness categories --- ! |
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| 159 | ! |
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| 160 | IF( ln_icedO ) CALL ice_thd_do ! --- Frazil ice growth in leads --- ! |
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| 161 | ! |
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| 162 | CALL ice_cor( kt , 2 ) ! --- Corrections --- ! |
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| 163 | ! |
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| 164 | oa_i(:,:,:) = oa_i(:,:,:) + a_i(:,:,:) * rDt_ice ! --- Ice natural aging incrementation |
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| 165 | ! |
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| 166 | DO_2D( 0, 0, 0, 0 ) ! --- Ice velocity corrections |
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| 167 | IF( at_i(ji,jj) == 0._wp ) THEN ! if ice has melted |
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| 168 | IF( at_i(ji+1,jj) == 0._wp ) u_ice(ji ,jj) = 0._wp ! right side |
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| 169 | IF( at_i(ji-1,jj) == 0._wp ) u_ice(ji-1,jj) = 0._wp ! left side |
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| 170 | IF( at_i(ji,jj+1) == 0._wp ) v_ice(ji,jj ) = 0._wp ! upper side |
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| 171 | IF( at_i(ji,jj-1) == 0._wp ) v_ice(ji,jj-1) = 0._wp ! bottom side |
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| 172 | ENDIF |
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| 173 | END_2D |
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| 174 | CALL lbc_lnk( 'icethd', u_ice, 'U', -1.0_wp, v_ice, 'V', -1.0_wp ) |
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| 175 | ! |
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| 176 | ! convergence tests |
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| 177 | IF( ln_zdf_chkcvg ) THEN |
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| 178 | CALL iom_put( 'tice_cvgerr', ztice_cvgerr ) ; DEALLOCATE( ztice_cvgerr ) |
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| 179 | CALL iom_put( 'tice_cvgstp', ztice_cvgstp ) ; DEALLOCATE( ztice_cvgstp ) |
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| 180 | ENDIF |
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| 181 | ! |
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| 182 | ! controls |
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| 183 | IF( ln_icectl ) CALL ice_prt (kt, iiceprt, jiceprt, 1, ' - ice thermodyn. - ') ! prints |
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| 184 | IF( sn_cfctl%l_prtctl ) & |
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| 185 | & CALL ice_prt3D ('icethd') ! prints |
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| 186 | IF( ln_timing ) CALL timing_stop('icethd') ! timing |
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| 187 | ! |
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| 188 | END SUBROUTINE ice_thd |
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| 189 | |
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| 190 | |
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| 191 | SUBROUTINE ice_thd_temp |
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| 192 | !!----------------------------------------------------------------------- |
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| 193 | !! *** ROUTINE ice_thd_temp *** |
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| 194 | !! |
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| 195 | !! ** Purpose : Computes sea ice temperature (Kelvin) from enthalpy |
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| 196 | !! |
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| 197 | !! ** Method : Formula (Bitz and Lipscomb, 1999) |
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| 198 | !!------------------------------------------------------------------- |
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| 199 | INTEGER :: ji, jk ! dummy loop indices |
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| 200 | REAL(wp) :: ztmelts, zbbb, zccc ! local scalar |
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| 201 | !!------------------------------------------------------------------- |
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| 202 | ! Recover ice temperature |
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| 203 | DO jk = 1, nlay_i |
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| 204 | DO ji = 1, npti |
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| 205 | ztmelts = -rTmlt * sz_i_1d(ji,jk) |
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| 206 | ! Conversion q(S,T) -> T (second order equation) |
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| 207 | zbbb = ( rcp - rcpi ) * ztmelts + e_i_1d(ji,jk) * r1_rhoi - rLfus |
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| 208 | zccc = SQRT( MAX( zbbb * zbbb - 4._wp * rcpi * rLfus * ztmelts, 0._wp ) ) |
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| 209 | t_i_1d(ji,jk) = rt0 - ( zbbb + zccc ) * 0.5_wp * r1_rcpi |
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| 210 | |
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| 211 | ! mask temperature |
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| 212 | rswitch = 1._wp - MAX( 0._wp , SIGN( 1._wp , - h_i_1d(ji) ) ) |
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| 213 | t_i_1d(ji,jk) = rswitch * t_i_1d(ji,jk) + ( 1._wp - rswitch ) * rt0 |
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| 214 | END DO |
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| 215 | END DO |
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| 216 | ! |
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| 217 | END SUBROUTINE ice_thd_temp |
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| 218 | |
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| 219 | |
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| 220 | SUBROUTINE ice_thd_mono |
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| 221 | !!----------------------------------------------------------------------- |
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| 222 | !! *** ROUTINE ice_thd_mono *** |
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| 223 | !! |
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| 224 | !! ** Purpose : Lateral melting in case virtual_itd |
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| 225 | !! ( dA = A/2h dh ) |
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| 226 | !!----------------------------------------------------------------------- |
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| 227 | INTEGER :: ji ! dummy loop indices |
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| 228 | REAL(wp) :: zhi_bef ! ice thickness before thermo |
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| 229 | REAL(wp) :: zdh_mel, zda_mel ! net melting |
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| 230 | REAL(wp) :: zvi, zvs ! ice/snow volumes |
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| 231 | !!----------------------------------------------------------------------- |
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| 232 | ! |
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| 233 | DO ji = 1, npti |
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| 234 | zdh_mel = MIN( 0._wp, dh_i_itm(ji) + dh_i_sum(ji) + dh_i_bom(ji) + dh_snowice(ji) + dh_i_sub(ji) ) |
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| 235 | IF( zdh_mel < 0._wp .AND. a_i_1d(ji) > 0._wp ) THEN |
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| 236 | zvi = a_i_1d(ji) * h_i_1d(ji) |
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| 237 | zvs = a_i_1d(ji) * h_s_1d(ji) |
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| 238 | ! lateral melting = concentration change |
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| 239 | zhi_bef = h_i_1d(ji) - zdh_mel |
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| 240 | rswitch = MAX( 0._wp , SIGN( 1._wp , zhi_bef - epsi20 ) ) |
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| 241 | zda_mel = rswitch * a_i_1d(ji) * zdh_mel / ( 2._wp * MAX( zhi_bef, epsi20 ) ) |
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| 242 | a_i_1d(ji) = MAX( epsi20, a_i_1d(ji) + zda_mel ) |
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| 243 | ! adjust thickness |
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| 244 | h_i_1d(ji) = zvi / a_i_1d(ji) |
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| 245 | h_s_1d(ji) = zvs / a_i_1d(ji) |
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| 246 | ! retrieve total concentration |
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| 247 | at_i_1d(ji) = a_i_1d(ji) |
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| 248 | END IF |
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| 249 | END DO |
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| 250 | ! |
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| 251 | END SUBROUTINE ice_thd_mono |
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| 252 | |
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| 253 | SUBROUTINE ice_thd_1d2d( kl, kn ) |
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| 254 | !!----------------------------------------------------------------------- |
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| 255 | !! *** ROUTINE ice_thd_1d2d *** |
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| 256 | !! |
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| 257 | !! ** Purpose : move arrays from 1d to 2d and the reverse |
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| 258 | !!----------------------------------------------------------------------- |
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| 259 | INTEGER, INTENT(in) :: kl ! index of the ice category |
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| 260 | INTEGER, INTENT(in) :: kn ! 1= from 2D to 1D ; 2= from 1D to 2D |
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| 261 | ! |
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| 262 | INTEGER :: jk ! dummy loop indices |
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| 263 | !!----------------------------------------------------------------------- |
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| 264 | ! |
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| 265 | SELECT CASE( kn ) |
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| 266 | ! !---------------------! |
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| 267 | CASE( 1 ) !== from 2D to 1D ==! |
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| 268 | ! !---------------------! |
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| 269 | CALL tab_2d_1d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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| 270 | CALL tab_2d_1d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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| 271 | CALL tab_2d_1d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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| 272 | CALL tab_2d_1d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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| 273 | CALL tab_2d_1d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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| 274 | CALL tab_2d_1d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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| 275 | DO jk = 1, nlay_s |
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| 276 | CALL tab_2d_1d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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| 277 | CALL tab_2d_1d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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| 278 | END DO |
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| 279 | DO jk = 1, nlay_i |
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| 280 | CALL tab_2d_1d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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| 281 | CALL tab_2d_1d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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| 282 | CALL tab_2d_1d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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| 283 | END DO |
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| 284 | ! |
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| 285 | CALL tab_2d_1d( npti, nptidx(1:npti), qprec_ice_1d (1:npti), qprec_ice ) |
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| 286 | CALL tab_2d_1d( npti, nptidx(1:npti), qsr_ice_1d (1:npti), qsr_ice (:,:,kl) ) |
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| 287 | CALL tab_2d_1d( npti, nptidx(1:npti), qns_ice_1d (1:npti), qns_ice (:,:,kl) ) |
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| 288 | CALL tab_2d_1d( npti, nptidx(1:npti), evap_ice_1d (1:npti), evap_ice(:,:,kl) ) |
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| 289 | CALL tab_2d_1d( npti, nptidx(1:npti), dqns_ice_1d (1:npti), dqns_ice(:,:,kl) ) |
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| 290 | CALL tab_2d_1d( npti, nptidx(1:npti), t_bo_1d (1:npti), t_bo ) |
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| 291 | CALL tab_2d_1d( npti, nptidx(1:npti), sprecip_1d (1:npti), sprecip ) |
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| 292 | CALL tab_2d_1d( npti, nptidx(1:npti), qsb_ice_bot_1d(1:npti), qsb_ice_bot ) |
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| 293 | CALL tab_2d_1d( npti, nptidx(1:npti), fhld_1d (1:npti), fhld ) |
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| 294 | |
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| 295 | CALL tab_2d_1d( npti, nptidx(1:npti), qml_ice_1d (1:npti), qml_ice (:,:,kl) ) |
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| 296 | CALL tab_2d_1d( npti, nptidx(1:npti), qcn_ice_1d (1:npti), qcn_ice (:,:,kl) ) |
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| 297 | CALL tab_2d_1d( npti, nptidx(1:npti), qtr_ice_top_1d(1:npti), qtr_ice_top(:,:,kl) ) |
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| 298 | ! |
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| 299 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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| 300 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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| 301 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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| 302 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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| 303 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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| 304 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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| 305 | ! |
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| 306 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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| 307 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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| 308 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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| 309 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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| 310 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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| 311 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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| 312 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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| 313 | ! |
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| 314 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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| 315 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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| 316 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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| 317 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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| 318 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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| 319 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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| 320 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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| 321 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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| 322 | ! |
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| 323 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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| 324 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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| 325 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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| 326 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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| 327 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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| 328 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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| 329 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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| 330 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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| 331 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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| 332 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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| 333 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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| 334 | ! |
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| 335 | ! ocean surface fields |
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| 336 | CALL tab_2d_1d( npti, nptidx(1:npti), sst_1d(1:npti), sst_m ) |
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| 337 | CALL tab_2d_1d( npti, nptidx(1:npti), sss_1d(1:npti), sss_m ) |
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| 338 | CALL tab_2d_1d( npti, nptidx(1:npti), frq_m_1d(1:npti), frq_m ) |
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| 339 | ! |
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| 340 | ! to update ice age |
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| 341 | CALL tab_2d_1d( npti, nptidx(1:npti), o_i_1d (1:npti), o_i (:,:,kl) ) |
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| 342 | CALL tab_2d_1d( npti, nptidx(1:npti), oa_i_1d(1:npti), oa_i(:,:,kl) ) |
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| 343 | ! |
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| 344 | ! --- Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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| 345 | DO jk = 1, nlay_i |
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| 346 | 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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| 347 | END DO |
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| 348 | DO jk = 1, nlay_s |
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| 349 | 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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| 350 | END DO |
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| 351 | ! |
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| 352 | ! !---------------------! |
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| 353 | CASE( 2 ) !== from 1D to 2D ==! |
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| 354 | ! !---------------------! |
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| 355 | ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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| 356 | DO jk = 1, nlay_i |
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| 357 | 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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| 358 | END DO |
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| 359 | DO jk = 1, nlay_s |
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| 360 | 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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| 361 | END DO |
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| 362 | ! |
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| 363 | ! Change thickness to volume (replaces routine ice_var_eqv2glo) |
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| 364 | v_i_1d (1:npti) = h_i_1d (1:npti) * a_i_1d (1:npti) |
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| 365 | v_s_1d (1:npti) = h_s_1d (1:npti) * a_i_1d (1:npti) |
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| 366 | sv_i_1d(1:npti) = s_i_1d (1:npti) * v_i_1d (1:npti) |
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| 367 | oa_i_1d(1:npti) = o_i_1d (1:npti) * a_i_1d (1:npti) |
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| 368 | |
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| 369 | CALL tab_1d_2d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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| 370 | CALL tab_1d_2d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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| 371 | CALL tab_1d_2d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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| 372 | CALL tab_1d_2d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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| 373 | CALL tab_1d_2d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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| 374 | CALL tab_1d_2d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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| 375 | DO jk = 1, nlay_s |
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| 376 | CALL tab_1d_2d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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| 377 | CALL tab_1d_2d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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| 378 | END DO |
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| 379 | DO jk = 1, nlay_i |
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| 380 | CALL tab_1d_2d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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| 381 | CALL tab_1d_2d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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| 382 | CALL tab_1d_2d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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| 383 | END DO |
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| 384 | ! |
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| 385 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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| 386 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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| 387 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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| 388 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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| 389 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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| 390 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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| 391 | ! |
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| 392 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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| 393 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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| 394 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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| 395 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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| 396 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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| 397 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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| 398 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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| 399 | ! |
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| 400 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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| 401 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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| 402 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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| 403 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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| 404 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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| 405 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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| 406 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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| 407 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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| 408 | ! |
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| 409 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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| 410 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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| 411 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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| 412 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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| 413 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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| 414 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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| 415 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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| 416 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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| 417 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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| 418 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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| 419 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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| 420 | ! |
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| 421 | CALL tab_1d_2d( npti, nptidx(1:npti), qns_ice_1d (1:npti), qns_ice (:,:,kl) ) |
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| 422 | CALL tab_1d_2d( npti, nptidx(1:npti), qtr_ice_bot_1d(1:npti), qtr_ice_bot(:,:,kl) ) |
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| 423 | ! effective conductivity and 1st layer temperature (ln_cndflx=T) |
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| 424 | CALL tab_1d_2d( npti, nptidx(1:npti), cnd_ice_1d(1:npti), cnd_ice(:,:,kl) ) |
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| 425 | CALL tab_1d_2d( npti, nptidx(1:npti), t1_ice_1d (1:npti), t1_ice (:,:,kl) ) |
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| 426 | ! Melt ponds |
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| 427 | CALL tab_1d_2d( npti, nptidx(1:npti), dh_i_sum (1:npti) , dh_i_sum_2d(:,:,kl) ) |
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| 428 | CALL tab_1d_2d( npti, nptidx(1:npti), dh_s_mlt (1:npti) , dh_s_mlt_2d(:,:,kl) ) |
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| 429 | ! SIMIP diagnostics |
|---|
| 430 | CALL tab_1d_2d( npti, nptidx(1:npti), t_si_1d (1:npti), t_si (:,:,kl) ) |
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| 431 | CALL tab_1d_2d( npti, nptidx(1:npti), qcn_ice_bot_1d(1:npti), qcn_ice_bot(:,:,kl) ) |
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| 432 | CALL tab_1d_2d( npti, nptidx(1:npti), qcn_ice_top_1d(1:npti), qcn_ice_top(:,:,kl) ) |
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| 433 | CALL tab_1d_2d( npti, nptidx(1:npti), qml_ice_1d (1:npti), qml_ice (:,:,kl) ) |
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| 434 | ! extensive variables |
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| 435 | CALL tab_1d_2d( npti, nptidx(1:npti), v_i_1d (1:npti), v_i (:,:,kl) ) |
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| 436 | CALL tab_1d_2d( npti, nptidx(1:npti), v_s_1d (1:npti), v_s (:,:,kl) ) |
|---|
| 437 | CALL tab_1d_2d( npti, nptidx(1:npti), sv_i_1d(1:npti), sv_i(:,:,kl) ) |
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| 438 | CALL tab_1d_2d( npti, nptidx(1:npti), oa_i_1d(1:npti), oa_i(:,:,kl) ) |
|---|
| 439 | ! check convergence of heat diffusion scheme |
|---|
| 440 | IF( ln_zdf_chkcvg ) THEN |
|---|
| 441 | CALL tab_1d_2d( npti, nptidx(1:npti), tice_cvgerr_1d(1:npti), ztice_cvgerr(:,:,kl) ) |
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| 442 | CALL tab_1d_2d( npti, nptidx(1:npti), tice_cvgstp_1d(1:npti), ztice_cvgstp(:,:,kl) ) |
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| 443 | ENDIF |
|---|
| 444 | ! |
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| 445 | END SELECT |
|---|
| 446 | ! |
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| 447 | END SUBROUTINE ice_thd_1d2d |
|---|
| 448 | |
|---|
| 449 | |
|---|
| 450 | SUBROUTINE ice_thd_init |
|---|
| 451 | !!------------------------------------------------------------------- |
|---|
| 452 | !! *** ROUTINE ice_thd_init *** |
|---|
| 453 | !! |
|---|
| 454 | !! ** Purpose : Physical constants and parameters associated with |
|---|
| 455 | !! ice thermodynamics |
|---|
| 456 | !! |
|---|
| 457 | !! ** Method : Read the namthd namelist and check the parameters |
|---|
| 458 | !! called at the first timestep (nit000) |
|---|
| 459 | !! |
|---|
| 460 | !! ** input : Namelist namthd |
|---|
| 461 | !!------------------------------------------------------------------- |
|---|
| 462 | INTEGER :: ios ! Local integer output status for namelist read |
|---|
| 463 | !! |
|---|
| 464 | NAMELIST/namthd/ ln_icedH, ln_icedA, ln_icedO, ln_icedS, ln_leadhfx |
|---|
| 465 | !!------------------------------------------------------------------- |
|---|
| 466 | ! |
|---|
| 467 | READ ( numnam_ice_ref, namthd, IOSTAT = ios, ERR = 901) |
|---|
| 468 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namthd in reference namelist' ) |
|---|
| 469 | READ ( numnam_ice_cfg, namthd, IOSTAT = ios, ERR = 902 ) |
|---|
| 470 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namthd in configuration namelist' ) |
|---|
| 471 | IF(lwm) WRITE( numoni, namthd ) |
|---|
| 472 | ! |
|---|
| 473 | IF(lwp) THEN ! control print |
|---|
| 474 | WRITE(numout,*) |
|---|
| 475 | WRITE(numout,*) 'ice_thd_init: Ice Thermodynamics' |
|---|
| 476 | WRITE(numout,*) '~~~~~~~~~~~~' |
|---|
| 477 | WRITE(numout,*) ' Namelist namthd:' |
|---|
| 478 | WRITE(numout,*) ' activate ice thick change from top/bot (T) or not (F) ln_icedH = ', ln_icedH |
|---|
| 479 | WRITE(numout,*) ' activate lateral melting (T) or not (F) ln_icedA = ', ln_icedA |
|---|
| 480 | WRITE(numout,*) ' activate ice growth in open-water (T) or not (F) ln_icedO = ', ln_icedO |
|---|
| 481 | WRITE(numout,*) ' activate gravity drainage and flushing (T) or not (F) ln_icedS = ', ln_icedS |
|---|
| 482 | WRITE(numout,*) ' heat in the leads is used to melt sea-ice before warming the ocean ln_leadhfx = ', ln_leadhfx |
|---|
| 483 | ENDIF |
|---|
| 484 | ! |
|---|
| 485 | CALL ice_thd_zdf_init ! set ice heat diffusion parameters |
|---|
| 486 | IF( ln_icedA ) CALL ice_thd_da_init ! set ice lateral melting parameters |
|---|
| 487 | IF( ln_icedO ) CALL ice_thd_do_init ! set ice growth in open water parameters |
|---|
| 488 | CALL ice_thd_sal_init ! set ice salinity parameters |
|---|
| 489 | CALL ice_thd_pnd_init ! set melt ponds parameters |
|---|
| 490 | ! |
|---|
| 491 | END SUBROUTINE ice_thd_init |
|---|
| 492 | |
|---|
| 493 | #else |
|---|
| 494 | !!---------------------------------------------------------------------- |
|---|
| 495 | !! Default option Dummy module NO SI3 sea-ice model |
|---|
| 496 | !!---------------------------------------------------------------------- |
|---|
| 497 | #endif |
|---|
| 498 | |
|---|
| 499 | !!====================================================================== |
|---|
| 500 | END MODULE icethd |
|---|
