[8586] | 1 | MODULE icestp |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icestp *** |
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[9604] | 4 | !! sea ice : Master routine for all the sea ice model |
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[8586] | 5 | !!===================================================================== |
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[9604] | 6 | !! |
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| 7 | !! The sea ice model SI3 (Sea Ice modelling Integrated Initiative), |
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| 8 | !! aka Sea Ice cube for its nickname |
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| 9 | !! |
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| 10 | !! is originally based on LIM3, developed in Louvain-la-Neuve by: |
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| 11 | !! * Martin Vancoppenolle (UCL-ASTR, Belgium) |
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| 12 | !! * Sylvain Bouillon (UCL-ASTR, Belgium) |
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| 13 | !! * Miguel Angel Morales Maqueda (NOC-L, UK) |
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| 14 | !! thanks to valuable earlier work by |
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| 15 | !! * Thierry Fichefet |
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| 16 | !! * Hugues Goosse |
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| 17 | !! thanks also to the following persons who contributed |
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| 18 | !! * Gurvan Madec, Claude Talandier, Christian Ethe (LOCEAN, France) |
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| 19 | !! * Xavier Fettweis (UCL-ASTR), Ralph Timmermann (AWI, Germany) |
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| 20 | !! * Bill Lipscomb (LANL), Cecilia Bitz (UWa) and Elisabeth Hunke (LANL), USA. |
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| 21 | !! |
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| 22 | !! SI3 has been made possible by a handful of persons who met as working group |
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[9866] | 23 | !! (from France, Belgium, UK and Italy) |
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[9653] | 24 | !! * Clement Rousset, Martin Vancoppenolle & Gurvan Madec (LOCEAN, France) |
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| 25 | !! * Matthieu Chevalier & David Salas (Meteo France, France) |
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| 26 | !! * Gilles Garric (Mercator Ocean, France) |
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| 27 | !! * Thierry Fichefet & Francois Massonnet (UCL, Belgium) |
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| 28 | !! * Ed Blockley & Jeff Ridley (Met Office, UK) |
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| 29 | !! * Danny Feltham & David Schroeder (CPOM, UK) |
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| 30 | !! * Yevgeny Aksenov (NOC, UK) |
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| 31 | !! * Paul Holland (BAS, UK) |
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| 32 | !! * Dorotea Iovino (CMCC, Italy) |
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[9604] | 33 | !!====================================================================== |
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| 34 | !! History : 4.0 ! 2018 (C. Rousset) Original code SI3 |
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[8586] | 35 | !!---------------------------------------------------------------------- |
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[9570] | 36 | #if defined key_si3 |
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[8586] | 37 | !!---------------------------------------------------------------------- |
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[9570] | 38 | !! 'key_si3' SI3 sea-ice model |
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[8586] | 39 | !!---------------------------------------------------------------------- |
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| 40 | !! ice_stp : sea-ice model time-stepping and update ocean SBC over ice-covered area |
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| 41 | !! ice_init : initialize sea-ice |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | USE oce ! ocean dynamics and tracers |
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| 44 | USE dom_oce ! ocean space and time domain |
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| 45 | USE c1d ! 1D vertical configuration |
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| 46 | USE ice ! sea-ice: variables |
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| 47 | USE ice1D ! sea-ice: thermodynamical 1D variables |
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| 48 | ! |
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| 49 | USE phycst ! Define parameters for the routines |
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| 50 | USE eosbn2 ! equation of state |
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| 51 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 52 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 53 | ! |
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[10535] | 54 | USE icesbc ! sea-ice: Surface boundary conditions |
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[8586] | 55 | USE icedyn ! sea-ice: dynamics |
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| 56 | USE icethd ! sea-ice: thermodynamics |
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| 57 | USE icecor ! sea-ice: corrections |
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| 58 | USE iceupdate ! sea-ice: sea surface boundary condition update |
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| 59 | USE icedia ! sea-ice: budget diagnostics |
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| 60 | USE icewri ! sea-ice: outputs |
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| 61 | USE icerst ! sea-ice: restarts |
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| 62 | USE icevar ! sea-ice: operations |
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| 63 | USE icectl ! sea-ice: control |
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| 64 | USE iceistate ! sea-ice: initial state |
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| 65 | USE iceitd ! sea-ice: remapping thickness distribution |
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| 66 | USE icealb ! sea-ice: albedo |
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| 67 | ! |
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| 68 | USE bdy_oce , ONLY : ln_bdy ! flag for bdy |
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| 69 | USE bdyice ! unstructured open boundary data for sea-ice |
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| 70 | # if defined key_agrif |
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| 71 | USE agrif_ice |
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[9596] | 72 | USE agrif_ice_interp |
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[8586] | 73 | # endif |
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| 74 | ! |
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| 75 | USE in_out_manager ! I/O manager |
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| 76 | USE iom ! I/O manager library |
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| 77 | USE lib_mpp ! MPP library |
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| 78 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 79 | USE timing ! Timing |
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| 80 | USE prtctl ! Print control |
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| 81 | |
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[12369] | 82 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 83 | |
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[8586] | 84 | IMPLICIT NONE |
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| 85 | PRIVATE |
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| 86 | |
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| 87 | PUBLIC ice_stp ! called by sbcmod.F90 |
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| 88 | PUBLIC ice_init ! called by sbcmod.F90 |
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| 89 | |
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| 90 | !! * Substitutions |
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| 91 | # include "vectopt_loop_substitute.h90" |
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| 92 | !!---------------------------------------------------------------------- |
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[9598] | 93 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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[10069] | 94 | !! $Id$ |
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[10068] | 95 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[8586] | 96 | !!---------------------------------------------------------------------- |
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| 97 | CONTAINS |
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| 98 | |
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| 99 | SUBROUTINE ice_stp( kt, ksbc ) |
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| 100 | !!--------------------------------------------------------------------- |
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| 101 | !! *** ROUTINE ice_stp *** |
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| 102 | !! |
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| 103 | !! ** Purpose : sea-ice model time-stepping and update ocean surface |
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| 104 | !! boundary condition over ice-covered area |
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| 105 | !! |
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| 106 | !! ** Method : ice model time stepping |
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| 107 | !! - call the ice dynamics routine |
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| 108 | !! - call the ice advection/diffusion routine |
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| 109 | !! - call the ice thermodynamics routine |
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| 110 | !! - call the routine that computes mass and |
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| 111 | !! heat fluxes at the ice/ocean interface |
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| 112 | !! - save the outputs |
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| 113 | !! - save the outputs for restart when necessary |
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| 114 | !! |
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| 115 | !! ** Action : - time evolution of the LIM sea-ice model |
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| 116 | !! - update all sbc variables below sea-ice: |
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| 117 | !! utau, vtau, taum, wndm, qns , qsr, emp , sfx |
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| 118 | !!--------------------------------------------------------------------- |
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| 119 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 120 | INTEGER, INTENT(in) :: ksbc ! flux formulation (user defined, bulk, or Pure Coupled) |
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| 121 | ! |
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[12369] | 122 | INTEGER :: ji, jj, jk, jl, jn, gi, gj ! dummy loop indices |
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| 123 | REAL(wp) :: delta_lon, delta_lat, lon_west, lon_east, lat_south, lat_north, lon_print, lat_print |
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[8586] | 124 | !!---------------------------------------------------------------------- |
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| 125 | ! |
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[9124] | 126 | IF( ln_timing ) CALL timing_start('ice_stp') |
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[12369] | 127 | |
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| 128 | DO jj = 1, jpj |
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| 129 | DO ji = 1, jpi |
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| 130 | |
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| 131 | gi = nimpp + ji - 1 |
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| 132 | gj = njmpp + jj - 1 |
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| 133 | delta_lon = (glamt(2,jj) - glamt(1,jj))/2.0 |
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| 134 | delta_lat = (gphit(ji,2) - gphit(ji,1))/2.0 |
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| 135 | |
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| 136 | lon_west = glamt(ji,jj) - delta_lon |
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| 137 | lon_east = glamt(ji,jj) + delta_lon |
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| 138 | lat_south = gphit(ji,jj) - delta_lat |
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| 139 | lat_north = gphit(ji,jj) + delta_lat |
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| 140 | to_print_2d(ji,jj) = 0 |
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| 141 | |
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| 142 | lon_print = 95.0 |
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| 143 | lat_print = -63.0 ! For bottom melt investigation |
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| 144 | |
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| 145 | IF ( lon_west <= lon_print .AND. lon_print <= lon_east .AND. lat_south <= lat_print .AND. lat_print <= lat_north ) THEN |
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| 146 | to_print_2d(ji,jj) = 1 |
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| 147 | write(numout,*)'icethd: location to print: ji, jj, gi,gj, to_print_2d(ji,jj) = ', ji, jj, gi,gj, to_print_2d(ji,jj) |
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| 148 | ENDIF |
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| 149 | |
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| 150 | lon_print = 10.0 |
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| 151 | lat_print = -62.0 ! For top melt investigation |
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| 152 | |
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| 153 | IF ( lon_west <= lon_print .AND. lon_print <= lon_east .AND. lat_south <= lat_print .AND. lat_print <= lat_north ) THEN |
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| 154 | to_print_2d(ji,jj) = 2 |
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| 155 | write(numout,*)'icethd: location to print: ji, jj, gi,gj, to_print_2d(ji,jj) = ', ji, jj, gi,gj, to_print_2d(ji,jj) |
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| 156 | ENDIF |
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| 157 | |
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| 158 | lon_print = 137.81 |
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| 159 | lat_print = -66 ! For conductivity investigation |
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| 160 | |
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| 161 | IF ( lon_west <= lon_print .AND. lon_print <= lon_east .AND. lat_south <= lat_print .AND. lat_print <= lat_north ) THEN |
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| 162 | to_print_2d(ji,jj) = 3 |
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| 163 | write(numout,*)'icethd: location to print: ji, jj, gi,gj, to_print_2d(ji,jj) = ', ji, jj, gi,gj, to_print_2d(ji,jj) |
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| 164 | ENDIF |
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| 165 | |
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| 166 | lon_print = 137.81 - 360.0 |
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| 167 | |
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| 168 | IF ( lon_west <= lon_print .AND. lon_print <= lon_east .AND. lat_south <= lat_print .AND. lat_print <= lat_north ) THEN |
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| 169 | to_print_2d(ji,jj) = 3 |
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| 170 | write(numout,*)'icethd: location to print: ji, jj, gi,gj, to_print_2d(ji,jj) = ', ji, jj, gi,gj, to_print_2d(ji,jj) |
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| 171 | ENDIF |
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| 172 | |
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| 173 | lon_print = 8 |
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| 174 | lat_print = -67 ! For top melt investigation |
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| 175 | |
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| 176 | IF ( lon_west <= lon_print .AND. lon_print <= lon_east .AND. lat_south <= lat_print .AND. lat_print <= lat_north ) THEN |
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| 177 | to_print_2d(ji,jj) = 10 |
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| 178 | write(numout,*)'icethd: location to print: ji, jj, gi,gj, to_print_2d(ji,jj) = ', ji, jj, gi,gj, to_print_2d(ji,jj) |
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| 179 | ENDIF |
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| 180 | END DO |
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| 181 | END DO |
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| 182 | |
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[8586] | 183 | ! |
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| 184 | ! !-----------------------! |
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| 185 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN ! --- Ice time step --- ! |
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| 186 | ! !-----------------------! |
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| 187 | ! |
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| 188 | kt_ice = kt ! -- Ice model time step |
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[12369] | 189 | |
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| 190 | write(numout,*)'icestp 0: e_s = ',e_s (42,26,1,1) |
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[8586] | 191 | ! |
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| 192 | u_oce(:,:) = ssu_m(:,:) ! -- mean surface ocean current |
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| 193 | v_oce(:,:) = ssv_m(:,:) |
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| 194 | ! |
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| 195 | CALL eos_fzp( sss_m(:,:) , t_bo(:,:) ) ! -- freezing temperature [Kelvin] (set to rt0 over land) |
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| 196 | t_bo(:,:) = ( t_bo(:,:) + rt0 ) * tmask(:,:,1) + rt0 * ( 1._wp - tmask(:,:,1) ) |
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| 197 | ! |
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[9482] | 198 | ! !== AGRIF Parent to Child ==! |
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| 199 | #if defined key_agrif |
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[9872] | 200 | ! ! nbstep_ice ranges from 1 to the nb of child ocean steps inside one parent ice step |
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| 201 | IF( .NOT. Agrif_Root() ) nbstep_ice = MOD( nbstep_ice, Agrif_irhot() * Agrif_Parent(nn_fsbc) / nn_fsbc ) + 1 |
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[9482] | 202 | ! ! these calls must remain here for restartability purposes |
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[9610] | 203 | CALL agrif_interp_ice( 'T' ) |
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| 204 | CALL agrif_interp_ice( 'U' ) |
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| 205 | CALL agrif_interp_ice( 'V' ) |
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[9482] | 206 | #endif |
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| 207 | CALL store_fields ! Store now ice values |
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[8586] | 208 | ! |
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| 209 | !------------------------------------------------! |
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| 210 | ! --- Dynamical coupling with the atmosphere --- ! |
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| 211 | !------------------------------------------------! |
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| 212 | ! It provides the following fields used in sea ice model: |
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| 213 | ! utau_ice, vtau_ice = surface ice stress [N/m2] |
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| 214 | !------------------------------------------------! |
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[12369] | 215 | CALL ice_sbc_tau( kt, ksbc, utau_ice, vtau_ice ) |
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| 216 | |
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| 217 | write(numout,*)'icestp 1: e_s = ',e_s (42,26,1,1) |
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| 218 | |
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[8586] | 219 | !-------------------------------------! |
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| 220 | ! --- ice dynamics and advection --- ! |
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| 221 | !-------------------------------------! |
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[9482] | 222 | CALL diag_set0 ! set diag of mass, heat and salt fluxes to 0 |
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| 223 | CALL ice_rst_opn( kt ) ! Open Ice restart file (if necessary) |
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[8586] | 224 | ! |
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| 225 | IF( ln_icedyn .AND. .NOT.lk_c1d ) & |
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| 226 | & CALL ice_dyn( kt ) ! -- Ice dynamics |
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[12369] | 227 | |
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| 228 | write(numout,*)'icestp 2: e_s = ',e_s (42,26,1,1) |
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[8586] | 229 | ! |
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| 230 | ! !== lateral boundary conditions ==! |
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| 231 | IF( ln_icethd .AND. ln_bdy ) CALL bdy_ice( kt ) ! -- bdy ice thermo |
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[12369] | 232 | |
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| 233 | write(numout,*)'icestp 3: e_s = ',e_s (42,26,1,1) |
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[8586] | 234 | ! |
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[9482] | 235 | ! !== previous lead fraction and ice volume for flux calculations |
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| 236 | CALL ice_var_glo2eqv ! h_i and h_s for ice albedo calculation |
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[12369] | 237 | |
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| 238 | write(numout,*)'icestp 4: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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| 239 | |
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[9482] | 240 | CALL ice_var_agg(1) ! at_i for coupling |
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[12369] | 241 | |
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| 242 | write(numout,*)'icestp 5: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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| 243 | |
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[9482] | 244 | CALL store_fields ! Store now ice values |
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[12369] | 245 | |
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| 246 | write(numout,*)'icestp 6: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[8586] | 247 | ! |
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| 248 | !------------------------------------------------------! |
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| 249 | ! --- Thermodynamical coupling with the atmosphere --- ! |
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| 250 | !------------------------------------------------------! |
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| 251 | ! It provides the following fields used in sea ice model: |
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| 252 | ! emp_oce , emp_ice = E-P over ocean and sea ice [Kg/m2/s] |
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| 253 | ! sprecip = solid precipitation [Kg/m2/s] |
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| 254 | ! evap_ice = sublimation [Kg/m2/s] |
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| 255 | ! qsr_tot , qns_tot = solar & non solar heat flux (total) [W/m2] |
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| 256 | ! qsr_ice , qns_ice = solar & non solar heat flux over ice [W/m2] |
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| 257 | ! dqns_ice = non solar heat sensistivity [W/m2] |
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| 258 | ! qemp_oce, qemp_ice, = sensible heat (associated with evap & precip) [W/m2] |
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| 259 | ! qprec_ice, qevap_ice |
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| 260 | !------------------------------------------------------! |
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[10535] | 261 | CALL ice_sbc_flx( kt, ksbc ) |
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[12369] | 262 | write(numout,*)'icestp 7: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[8586] | 263 | !----------------------------! |
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| 264 | ! --- ice thermodynamics --- ! |
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| 265 | !----------------------------! |
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[12369] | 266 | IF( ln_icethd ) CALL ice_thd( kt ) ! -- Ice thermodynamics |
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| 267 | write(numout,*)'icestp 8: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[8586] | 268 | ! |
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[11081] | 269 | CALL ice_cor( kt , 2 ) ! -- Corrections |
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[12369] | 270 | write(numout,*)'icestp 9: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[9482] | 271 | ! |
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| 272 | CALL ice_var_glo2eqv ! necessary calls (at least for coupling) |
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[12369] | 273 | write(numout,*)'icestp 10: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[9482] | 274 | CALL ice_var_agg( 2 ) ! necessary calls (at least for coupling) |
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[12369] | 275 | write(numout,*)'icestp 11: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[9482] | 276 | ! |
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[8586] | 277 | CALL ice_update_flx( kt ) ! -- Update ocean surface mass, heat and salt fluxes |
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[12369] | 278 | write(numout,*)'icestp 12: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[10415] | 279 | ! |
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[8586] | 280 | IF( ln_icediahsb ) CALL ice_dia( kt ) ! -- Diagnostics outputs |
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| 281 | ! |
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| 282 | CALL ice_wri( kt ) ! -- Ice outputs |
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| 283 | ! |
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| 284 | IF( lrst_ice ) CALL ice_rst_write( kt ) ! -- Ice restart file |
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| 285 | ! |
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| 286 | IF( ln_icectl ) CALL ice_ctl( kt ) ! -- alerts in case of model crash |
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[12369] | 287 | write(numout,*)'icestp 13: t_s, e_s = ',t_s(ji,jj,jk,jl) - rt0, ' ', e_s (42,26,1,1) |
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[8586] | 288 | ! |
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| 289 | ENDIF ! End sea-ice time step only |
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| 290 | |
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| 291 | !-------------------------! |
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| 292 | ! --- Ocean time step --- ! |
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| 293 | !-------------------------! |
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| 294 | IF( ln_icedyn ) CALL ice_update_tau( kt, ub(:,:,1), vb(:,:,1) ) ! -- update surface ocean stresses |
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| 295 | !!gm remark, the ocean-ice stress is not saved in ice diag call above ..... find a solution!!! |
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| 296 | ! |
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[9124] | 297 | IF( ln_timing ) CALL timing_stop('ice_stp') |
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[8586] | 298 | ! |
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| 299 | END SUBROUTINE ice_stp |
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| 300 | |
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| 301 | |
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| 302 | SUBROUTINE ice_init |
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| 303 | !!---------------------------------------------------------------------- |
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| 304 | !! *** ROUTINE ice_init *** |
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| 305 | !! |
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| 306 | !! ** purpose : Initialize sea-ice parameters |
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| 307 | !!---------------------------------------------------------------------- |
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| 308 | INTEGER :: ji, jj, ierr |
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| 309 | !!---------------------------------------------------------------------- |
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| 310 | IF(lwp) WRITE(numout,*) |
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[10519] | 311 | IF(lwp) WRITE(numout,*) 'Sea Ice Model: SI3 (Sea Ice modelling Integrated Initiative)' |
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| 312 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~' |
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| 313 | IF(lwp) WRITE(numout,*) |
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| 314 | IF(lwp) WRITE(numout,*) 'ice_init: Arrays allocation & Initialization of all routines & init state' |
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[8586] | 315 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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| 316 | ! |
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| 317 | ! ! Open the reference and configuration namelist files and namelist output file |
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| 318 | CALL ctl_opn( numnam_ice_ref, 'namelist_ice_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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| 319 | CALL ctl_opn( numnam_ice_cfg, 'namelist_ice_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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| 320 | IF(lwm) CALL ctl_opn( numoni, 'output.namelist.ice', 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, 1 ) |
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| 321 | ! |
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| 322 | CALL par_init ! set some ice run parameters |
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| 323 | ! |
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| 324 | ! ! Allocate the ice arrays (sbc_ice already allocated in sbc_init) |
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| 325 | ierr = ice_alloc () ! ice variables |
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[10535] | 326 | ierr = ierr + sbc_ice_alloc () ! surface boundary conditions |
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[8586] | 327 | ierr = ierr + ice1D_alloc () ! thermodynamics |
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| 328 | ! |
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[10425] | 329 | CALL mpp_sum( 'icestp', ierr ) |
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[8586] | 330 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'ice_init : unable to allocate ice arrays') |
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| 331 | ! |
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| 332 | CALL ice_itd_init ! ice thickness distribution initialization |
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| 333 | ! |
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[9118] | 334 | CALL ice_thd_init ! set ice thermodynics parameters (clem: important to call it first for melt ponds) |
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| 335 | ! |
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[8586] | 336 | ! ! Initial sea-ice state |
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| 337 | IF( .NOT. ln_rstart ) THEN ! start from rest: sea-ice deduced from sst |
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| 338 | CALL ice_istate_init |
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| 339 | CALL ice_istate |
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| 340 | ELSE ! start from a restart file |
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| 341 | CALL ice_rst_read |
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| 342 | ENDIF |
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| 343 | CALL ice_var_glo2eqv |
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[9725] | 344 | CALL ice_var_agg(1) |
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[8586] | 345 | ! |
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[10535] | 346 | CALL ice_sbc_init ! set ice-ocean and ice-atm. coupling parameters |
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[8586] | 347 | ! |
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[9118] | 348 | CALL ice_dyn_init ! set ice dynamics parameters |
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[8586] | 349 | ! |
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| 350 | CALL ice_update_init ! ice surface boundary condition |
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| 351 | ! |
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| 352 | CALL ice_alb_init ! ice surface albedo |
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| 353 | ! |
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| 354 | CALL ice_dia_init ! initialization for diags |
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| 355 | ! |
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| 356 | fr_i (:,:) = at_i(:,:) ! initialisation of sea-ice fraction |
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| 357 | tn_ice(:,:,:) = t_su(:,:,:) ! initialisation of surface temp for coupled simu |
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| 358 | ! |
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| 359 | ! ! set max concentration in both hemispheres |
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| 360 | WHERE( gphit(:,:) > 0._wp ) ; rn_amax_2d(:,:) = rn_amax_n ! NH |
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| 361 | ELSEWHERE ; rn_amax_2d(:,:) = rn_amax_s ! SH |
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| 362 | END WHERE |
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| 363 | |
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| 364 | IF( ln_rstart ) CALL iom_close( numrir ) ! close input ice restart file |
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| 365 | ! |
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| 366 | END SUBROUTINE ice_init |
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| 367 | |
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| 368 | |
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| 369 | SUBROUTINE par_init |
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| 370 | !!------------------------------------------------------------------- |
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| 371 | !! *** ROUTINE par_init *** |
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| 372 | !! |
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| 373 | !! ** Purpose : Definition generic parameters for ice model |
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| 374 | !! |
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| 375 | !! ** Method : Read namelist and check the parameter |
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| 376 | !! values called at the first timestep (nit000) |
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| 377 | !! |
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| 378 | !! ** input : Namelist nampar |
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| 379 | !!------------------------------------------------------------------- |
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[9169] | 380 | INTEGER :: ios ! Local integer |
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| 381 | !! |
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[10531] | 382 | NAMELIST/nampar/ jpl, nlay_i, nlay_s, ln_virtual_itd, ln_icedyn, ln_icethd, rn_amax_n, rn_amax_s, & |
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[8586] | 383 | & cn_icerst_in, cn_icerst_indir, cn_icerst_out, cn_icerst_outdir |
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| 384 | !!------------------------------------------------------------------- |
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| 385 | ! |
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| 386 | REWIND( numnam_ice_ref ) ! Namelist nampar in reference namelist : Parameters for ice |
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| 387 | READ ( numnam_ice_ref, nampar, IOSTAT = ios, ERR = 901) |
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[9169] | 388 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampar in reference namelist', lwp ) |
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[8586] | 389 | REWIND( numnam_ice_cfg ) ! Namelist nampar in configuration namelist : Parameters for ice |
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| 390 | READ ( numnam_ice_cfg, nampar, IOSTAT = ios, ERR = 902 ) |
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[9169] | 391 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampar in configuration namelist', lwp ) |
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| 392 | IF(lwm) WRITE( numoni, nampar ) |
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[8586] | 393 | ! |
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| 394 | IF(lwp) THEN ! control print |
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| 395 | WRITE(numout,*) |
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[9169] | 396 | WRITE(numout,*) ' par_init: ice parameters shared among all the routines' |
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| 397 | WRITE(numout,*) ' ~~~~~~~~' |
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| 398 | WRITE(numout,*) ' Namelist nampar: ' |
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| 399 | WRITE(numout,*) ' number of ice categories jpl = ', jpl |
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| 400 | WRITE(numout,*) ' number of ice layers nlay_i = ', nlay_i |
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| 401 | WRITE(numout,*) ' number of snow layers nlay_s = ', nlay_s |
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[10531] | 402 | WRITE(numout,*) ' virtual ITD param for jpl=1 (T) or not (F) ln_virtual_itd = ', ln_virtual_itd |
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[9169] | 403 | WRITE(numout,*) ' Ice dynamics (T) or not (F) ln_icedyn = ', ln_icedyn |
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| 404 | WRITE(numout,*) ' Ice thermodynamics (T) or not (F) ln_icethd = ', ln_icethd |
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| 405 | WRITE(numout,*) ' maximum ice concentration for NH = ', rn_amax_n |
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| 406 | WRITE(numout,*) ' maximum ice concentration for SH = ', rn_amax_s |
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[8586] | 407 | ENDIF |
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[11081] | 408 | ! !--- change max ice concentration for roundoff errors |
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| 409 | rn_amax_n = MIN( rn_amax_n, 1._wp - epsi10 ) |
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| 410 | rn_amax_s = MIN( rn_amax_s, 1._wp - epsi10 ) |
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[8586] | 411 | ! !--- check consistency |
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[10531] | 412 | IF ( jpl > 1 .AND. ln_virtual_itd ) THEN |
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| 413 | ln_virtual_itd = .FALSE. |
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[8586] | 414 | IF(lwp) WRITE(numout,*) |
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[10531] | 415 | IF(lwp) WRITE(numout,*) ' ln_virtual_itd forced to false as jpl>1, no need with multiple categories to emulate them' |
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[8586] | 416 | ENDIF |
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[8933] | 417 | ! |
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[9604] | 418 | IF( ln_cpl .AND. nn_cats_cpl /= 1 .AND. nn_cats_cpl /= jpl ) THEN |
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| 419 | CALL ctl_stop( 'STOP', 'par_init: in coupled mode, nn_cats_cpl should be either 1 or jpl' ) |
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| 420 | ENDIF |
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[8586] | 421 | ! |
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| 422 | IF( ln_bdy .AND. ln_icediachk ) CALL ctl_warn('par_init: online conservation check does not work with BDY') |
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| 423 | ! |
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[9169] | 424 | rdt_ice = REAL(nn_fsbc) * rdt !--- sea-ice timestep and its inverse |
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[8586] | 425 | r1_rdtice = 1._wp / rdt_ice |
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[9169] | 426 | IF(lwp) WRITE(numout,*) |
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| 427 | IF(lwp) WRITE(numout,*) ' ice timestep rdt_ice = nn_fsbc*rdt = ', rdt_ice |
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[8586] | 428 | ! |
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| 429 | r1_nlay_i = 1._wp / REAL( nlay_i, wp ) !--- inverse of nlay_i and nlay_s |
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| 430 | r1_nlay_s = 1._wp / REAL( nlay_s, wp ) |
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| 431 | ! |
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| 432 | END SUBROUTINE par_init |
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| 433 | |
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| 434 | |
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| 435 | SUBROUTINE store_fields |
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| 436 | !!---------------------------------------------------------------------- |
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| 437 | !! *** ROUTINE store_fields *** |
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| 438 | !! |
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| 439 | !! ** purpose : store ice variables at "before" time step |
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| 440 | !!---------------------------------------------------------------------- |
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| 441 | INTEGER :: ji, jj, jl ! dummy loop index |
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| 442 | !!---------------------------------------------------------------------- |
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| 443 | ! |
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| 444 | a_i_b (:,:,:) = a_i (:,:,:) ! ice area |
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| 445 | v_i_b (:,:,:) = v_i (:,:,:) ! ice volume |
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| 446 | v_s_b (:,:,:) = v_s (:,:,:) ! snow volume |
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| 447 | sv_i_b(:,:,:) = sv_i(:,:,:) ! salt content |
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| 448 | oa_i_b(:,:,:) = oa_i(:,:,:) ! areal age content |
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| 449 | e_s_b (:,:,:,:) = e_s (:,:,:,:) ! snow thermal energy |
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| 450 | e_i_b (:,:,:,:) = e_i (:,:,:,:) ! ice thermal energy |
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| 451 | WHERE( a_i_b(:,:,:) >= epsi20 ) |
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[10415] | 452 | h_i_b(:,:,:) = v_i_b(:,:,:) / a_i_b(:,:,:) ! ice thickness |
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| 453 | h_s_b(:,:,:) = v_s_b(:,:,:) / a_i_b(:,:,:) ! snw thickness |
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[8586] | 454 | ELSEWHERE |
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| 455 | h_i_b(:,:,:) = 0._wp |
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| 456 | h_s_b(:,:,:) = 0._wp |
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| 457 | END WHERE |
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[10415] | 458 | |
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| 459 | WHERE( a_ip(:,:,:) >= epsi20 ) |
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| 460 | h_ip_b(:,:,:) = v_ip(:,:,:) / a_ip(:,:,:) ! ice pond thickness |
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| 461 | ELSEWHERE |
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| 462 | h_ip_b(:,:,:) = 0._wp |
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| 463 | END WHERE |
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[9169] | 464 | ! |
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[8586] | 465 | ! ice velocities & total concentration |
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| 466 | at_i_b(:,:) = SUM( a_i_b(:,:,:), dim=3 ) |
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| 467 | u_ice_b(:,:) = u_ice(:,:) |
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| 468 | v_ice_b(:,:) = v_ice(:,:) |
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| 469 | ! |
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| 470 | END SUBROUTINE store_fields |
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| 471 | |
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| 472 | |
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| 473 | SUBROUTINE diag_set0 |
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| 474 | !!---------------------------------------------------------------------- |
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| 475 | !! *** ROUTINE diag_set0 *** |
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| 476 | !! |
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| 477 | !! ** purpose : set ice-ocean and ice-atm. fluxes to zeros at the beggining |
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| 478 | !! of the time step |
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| 479 | !!---------------------------------------------------------------------- |
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| 480 | INTEGER :: ji, jj ! dummy loop index |
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| 481 | !!---------------------------------------------------------------------- |
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| 482 | sfx (:,:) = 0._wp ; |
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| 483 | sfx_bri(:,:) = 0._wp ; sfx_lam(:,:) = 0._wp |
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| 484 | sfx_sni(:,:) = 0._wp ; sfx_opw(:,:) = 0._wp |
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| 485 | sfx_bog(:,:) = 0._wp ; sfx_dyn(:,:) = 0._wp |
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| 486 | sfx_bom(:,:) = 0._wp ; sfx_sum(:,:) = 0._wp |
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| 487 | sfx_res(:,:) = 0._wp ; sfx_sub(:,:) = 0._wp |
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[12449] | 488 | sfx_pnd(:,:) = 0._wp |
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[8586] | 489 | ! |
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| 490 | wfx_snw(:,:) = 0._wp ; wfx_ice(:,:) = 0._wp |
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| 491 | wfx_sni(:,:) = 0._wp ; wfx_opw(:,:) = 0._wp |
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| 492 | wfx_bog(:,:) = 0._wp ; wfx_dyn(:,:) = 0._wp |
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| 493 | wfx_bom(:,:) = 0._wp ; wfx_sum(:,:) = 0._wp |
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| 494 | wfx_res(:,:) = 0._wp ; wfx_sub(:,:) = 0._wp |
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| 495 | wfx_spr(:,:) = 0._wp ; wfx_lam(:,:) = 0._wp |
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| 496 | wfx_snw_dyn(:,:) = 0._wp ; wfx_snw_sum(:,:) = 0._wp |
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| 497 | wfx_snw_sub(:,:) = 0._wp ; wfx_ice_sub(:,:) = 0._wp |
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| 498 | wfx_snw_sni(:,:) = 0._wp |
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| 499 | wfx_pnd(:,:) = 0._wp |
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| 500 | |
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| 501 | hfx_thd(:,:) = 0._wp ; |
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| 502 | hfx_snw(:,:) = 0._wp ; hfx_opw(:,:) = 0._wp |
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| 503 | hfx_bog(:,:) = 0._wp ; hfx_dyn(:,:) = 0._wp |
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| 504 | hfx_bom(:,:) = 0._wp ; hfx_sum(:,:) = 0._wp |
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| 505 | hfx_res(:,:) = 0._wp ; hfx_sub(:,:) = 0._wp |
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| 506 | hfx_spr(:,:) = 0._wp ; hfx_dif(:,:) = 0._wp |
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| 507 | hfx_err_rem(:,:) = 0._wp |
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| 508 | hfx_err_dif(:,:) = 0._wp |
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| 509 | wfx_err_sub(:,:) = 0._wp |
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| 510 | ! |
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| 511 | afx_tot(:,:) = 0._wp ; |
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| 512 | ! |
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| 513 | diag_heat(:,:) = 0._wp ; diag_sice(:,:) = 0._wp |
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| 514 | diag_vice(:,:) = 0._wp ; diag_vsnw(:,:) = 0._wp |
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| 515 | |
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| 516 | ! SIMIP diagnostics |
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[9916] | 517 | qcn_ice_bot(:,:,:) = 0._wp ; qcn_ice_top(:,:,:) = 0._wp ! conductive fluxes |
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| 518 | t_si (:,:,:) = rt0 ! temp at the ice-snow interface |
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[8586] | 519 | |
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[11081] | 520 | tau_icebfr (:,:) = 0._wp ! landfast ice param only (clem: important to keep the init here) |
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| 521 | cnd_ice (:,:,:) = 0._wp ! initialisation: effective conductivity at the top of ice/snow (ln_cndflx=T) |
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| 522 | qcn_ice (:,:,:) = 0._wp ! initialisation: conductive flux (ln_cndflx=T & ln_cndemule=T) |
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| 523 | qtr_ice_bot(:,:,:) = 0._wp ! initialization: part of solar radiation transmitted through the ice needed at least for outputs |
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| 524 | qsb_ice_bot(:,:) = 0._wp ! (needed if ln_icethd=F) |
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[9169] | 525 | ! |
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[9409] | 526 | ! for control checks (ln_icediachk) |
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| 527 | diag_trp_vi(:,:) = 0._wp ; diag_trp_vs(:,:) = 0._wp |
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| 528 | diag_trp_ei(:,:) = 0._wp ; diag_trp_es(:,:) = 0._wp |
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| 529 | diag_trp_sv(:,:) = 0._wp |
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| 530 | |
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[8586] | 531 | END SUBROUTINE diag_set0 |
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| 532 | |
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| 533 | #else |
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| 534 | !!---------------------------------------------------------------------- |
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[9570] | 535 | !! Default option Dummy module NO SI3 sea-ice model |
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[8586] | 536 | !!---------------------------------------------------------------------- |
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| 537 | CONTAINS |
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| 538 | SUBROUTINE ice_stp ( kt, ksbc ) ! Dummy routine |
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| 539 | INTEGER, INTENT(in) :: kt, ksbc |
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| 540 | WRITE(*,*) 'ice_stp: You should not have seen this print! error?', kt |
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| 541 | END SUBROUTINE ice_stp |
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| 542 | SUBROUTINE ice_init ! Dummy routine |
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| 543 | END SUBROUTINE ice_init |
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| 544 | #endif |
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| 545 | |
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| 546 | !!====================================================================== |
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| 547 | END MODULE icestp |
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