[8586] | 1 | MODULE icedyn_adv_pra |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icedyn_adv_pra *** |
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| 4 | !! sea-ice : advection => Prather scheme |
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| 5 | !!====================================================================== |
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[9656] | 6 | !! History : ! 2008-03 (M. Vancoppenolle) original code |
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[9604] | 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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[8586] | 8 | !!-------------------------------------------------------------------- |
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[9570] | 9 | #if defined key_si3 |
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[8586] | 10 | !!---------------------------------------------------------------------- |
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[9570] | 11 | !! 'key_si3' SI3 sea-ice model |
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[8586] | 12 | !!---------------------------------------------------------------------- |
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[8817] | 13 | !! ice_dyn_adv_pra : advection of sea ice using Prather scheme |
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| 14 | !! adv_x, adv_y : Prather scheme applied in i- and j-direction, resp. |
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| 15 | !! adv_pra_init : initialisation of the Prather scheme |
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| 16 | !! adv_pra_rst : read/write Prather field in ice restart file, or initialized to zero |
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[8586] | 17 | !!---------------------------------------------------------------------- |
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[11812] | 18 | USE phycst ! physical constant |
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[8586] | 19 | USE dom_oce ! ocean domain |
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| 20 | USE ice ! sea-ice variables |
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| 21 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
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[11612] | 22 | USE icevar ! sea-ice: operations |
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[8586] | 23 | ! |
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| 24 | USE in_out_manager ! I/O manager |
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| 25 | USE iom ! I/O manager library |
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| 26 | USE lib_mpp ! MPP library |
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| 27 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 28 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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| 33 | PUBLIC ice_dyn_adv_pra ! called by icedyn_adv |
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| 34 | PUBLIC adv_pra_init ! called by icedyn_adv |
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| 35 | |
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| 36 | ! Moments for advection |
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| 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice ! ice thickness |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn ! snow thickness |
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[11627] | 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
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[8586] | 40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal ! ice salinity |
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| 41 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage ! ice age |
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[9271] | 42 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 ! snow layers heat content |
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[8817] | 43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye ! ice layers heat content |
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[8586] | 44 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxap , syap , sxxap , syyap , sxyap ! melt pond fraction |
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| 45 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvp , syvp , sxxvp , syyvp , sxyvp ! melt pond volume |
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[12720] | 46 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvl , syvl , sxxvl , syyvl , sxyvl ! melt pond lid volume |
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[8817] | 47 | |
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[8586] | 48 | !! * Substitutions |
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| 49 | # include "vectopt_loop_substitute.h90" |
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| 50 | !!---------------------------------------------------------------------- |
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[9598] | 51 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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[10069] | 52 | !! $Id$ |
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[10068] | 53 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[8586] | 54 | !!---------------------------------------------------------------------- |
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| 55 | CONTAINS |
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| 56 | |
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[12197] | 57 | SUBROUTINE ice_dyn_adv_pra( kt, pu_ice, pv_ice, ph_i, ph_s, ph_ip, & |
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[12720] | 58 | & pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pv_il, pe_s, pe_i ) |
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[8586] | 59 | !!---------------------------------------------------------------------- |
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| 60 | !! ** routine ice_dyn_adv_pra ** |
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| 61 | !! |
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| 62 | !! ** purpose : Computes and adds the advection trend to sea-ice |
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| 63 | !! |
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| 64 | !! ** method : Uses Prather second order scheme that advects tracers |
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| 65 | !! but also their quadratic forms. The method preserves |
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| 66 | !! tracer structures by conserving second order moments. |
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| 67 | !! |
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| 68 | !! Reference: Prather, 1986, JGR, 91, D6. 6671-6681. |
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| 69 | !!---------------------------------------------------------------------- |
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| 70 | INTEGER , INTENT(in ) :: kt ! time step |
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| 71 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pu_ice ! ice i-velocity |
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| 72 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pv_ice ! ice j-velocity |
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[12197] | 73 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_i ! ice thickness |
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| 74 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_s ! snw thickness |
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| 75 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_ip ! ice pond thickness |
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[8586] | 76 | REAL(wp), DIMENSION(:,:) , INTENT(inout) :: pato_i ! open water area |
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| 77 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i ! ice volume |
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| 78 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_s ! snw volume |
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| 79 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: psv_i ! salt content |
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| 80 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: poa_i ! age content |
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| 81 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_i ! ice concentration |
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| 82 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_ip ! melt pond fraction |
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| 83 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_ip ! melt pond volume |
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[12720] | 84 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_il ! melt pond lid thickness |
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[8586] | 85 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s ! snw heat content |
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| 86 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i ! ice heat content |
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| 87 | ! |
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[12720] | 88 | INTEGER :: ji, jj, jk, jl, jt ! dummy loop indices |
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[11612] | 89 | INTEGER :: icycle ! number of sub-timestep for the advection |
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| 90 | REAL(wp) :: zdt ! - - |
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| 91 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
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[11732] | 92 | REAL(wp), DIMENSION(jpi,jpj) :: zati1, zati2 |
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| 93 | REAL(wp), DIMENSION(jpi,jpj) :: zudy, zvdx |
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[12197] | 94 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhi_max, zhs_max, zhip_max |
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[11612] | 95 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
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| 96 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
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[12720] | 97 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp, z0vl |
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[11612] | 98 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
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| 99 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
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[8586] | 100 | !!---------------------------------------------------------------------- |
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| 101 | ! |
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| 102 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
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| 103 | ! |
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[12197] | 104 | ! --- Record max of the surrounding 9-pts ice thick. (for call Hbig) --- ! |
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| 105 | DO jl = 1, jpl |
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| 106 | DO jj = 2, jpjm1 |
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| 107 | DO ji = fs_2, fs_jpim1 |
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| 108 | zhip_max(ji,jj,jl) = MAX( epsi20, ph_ip(ji,jj,jl), ph_ip(ji+1,jj ,jl), ph_ip(ji ,jj+1,jl), & |
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| 109 | & ph_ip(ji-1,jj ,jl), ph_ip(ji ,jj-1,jl), & |
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| 110 | & ph_ip(ji+1,jj+1,jl), ph_ip(ji-1,jj-1,jl), & |
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| 111 | & ph_ip(ji+1,jj-1,jl), ph_ip(ji-1,jj+1,jl) ) |
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| 112 | zhi_max (ji,jj,jl) = MAX( epsi20, ph_i (ji,jj,jl), ph_i (ji+1,jj ,jl), ph_i (ji ,jj+1,jl), & |
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| 113 | & ph_i (ji-1,jj ,jl), ph_i (ji ,jj-1,jl), & |
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| 114 | & ph_i (ji+1,jj+1,jl), ph_i (ji-1,jj-1,jl), & |
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| 115 | & ph_i (ji+1,jj-1,jl), ph_i (ji-1,jj+1,jl) ) |
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| 116 | zhs_max (ji,jj,jl) = MAX( epsi20, ph_s (ji,jj,jl), ph_s (ji+1,jj ,jl), ph_s (ji ,jj+1,jl), & |
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| 117 | & ph_s (ji-1,jj ,jl), ph_s (ji ,jj-1,jl), & |
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| 118 | & ph_s (ji+1,jj+1,jl), ph_s (ji-1,jj-1,jl), & |
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| 119 | & ph_s (ji+1,jj-1,jl), ph_s (ji-1,jj+1,jl) ) |
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| 120 | END DO |
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| 121 | END DO |
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| 122 | END DO |
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| 123 | CALL lbc_lnk_multi( 'icedyn_adv_pra', zhi_max, 'T', 1., zhs_max, 'T', 1., zhip_max, 'T', 1. ) |
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| 124 | ! |
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[11612] | 125 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
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| 126 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
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| 127 | ! this should not affect too much the stability |
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| 128 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) |
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| 129 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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[8586] | 130 | |
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[11612] | 131 | ! non-blocking global communication send zcflnow and receive zcflprv |
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| 132 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
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| 133 | |
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| 134 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
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| 135 | ELSE ; icycle = 1 |
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[8586] | 136 | ENDIF |
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[11612] | 137 | zdt = rdt_ice / REAL(icycle) |
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[8586] | 138 | |
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[11732] | 139 | ! --- transport --- ! |
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| 140 | zudy(:,:) = pu_ice(:,:) * e2u(:,:) |
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| 141 | zvdx(:,:) = pv_ice(:,:) * e1v(:,:) |
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| 142 | |
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| 143 | DO jt = 1, icycle |
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| 144 | |
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| 145 | ! record at_i before advection (for open water) |
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| 146 | zati1(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
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| 147 | |
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| 148 | ! --- transported fields --- ! |
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| 149 | DO jl = 1, jpl |
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| 150 | zarea(:,:,jl) = e1e2t(:,:) |
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| 151 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
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| 152 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
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| 153 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
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| 154 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
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| 155 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
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| 156 | DO jk = 1, nlay_s |
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| 157 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
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| 158 | END DO |
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| 159 | DO jk = 1, nlay_i |
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| 160 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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| 161 | END DO |
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[12832] | 162 | IF ( ln_pnd_LEV ) THEN |
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[12720] | 163 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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| 164 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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[12744] | 165 | IF ( ln_pnd_lids ) THEN |
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| 166 | z0vl(:,:,jl) = pv_il(:,:,jl) * e1e2t(:,:) ! Melt pond lid volume |
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| 167 | ENDIF |
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[11732] | 168 | ENDIF |
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[9271] | 169 | END DO |
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[11732] | 170 | ! |
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| 171 | ! !--------------------------------------------! |
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| 172 | IF( MOD( (kt - 1) / nn_fsbc , 2 ) == MOD( (jt - 1) , 2 ) ) THEN !== odd ice time step: adv_x then adv_y ==! |
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| 173 | ! !--------------------------------------------! |
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| 174 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 175 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 176 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 177 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 178 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 179 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 180 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 181 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 182 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 183 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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[11612] | 184 | ! |
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[11732] | 185 | DO jk = 1, nlay_s !--- snow heat content |
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| 186 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 187 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 188 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 189 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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[8586] | 190 | END DO |
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[11732] | 191 | DO jk = 1, nlay_i !--- ice heat content |
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| 192 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 193 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 194 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 195 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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[11612] | 196 | END DO |
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| 197 | ! |
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[12832] | 198 | IF ( ln_pnd_LEV ) THEN |
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[11732] | 199 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 200 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 201 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 202 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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[12744] | 203 | IF ( ln_pnd_lids ) THEN |
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| 204 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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| 205 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
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| 206 | ENDIF |
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[11612] | 207 | ENDIF |
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[11732] | 208 | ! !--------------------------------------------! |
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| 209 | ELSE !== even ice time step: adv_y then adv_x ==! |
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| 210 | ! !--------------------------------------------! |
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| 211 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 212 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 213 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 214 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 215 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 216 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 217 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 218 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 219 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 220 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 221 | DO jk = 1, nlay_s !--- snow heat content |
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| 222 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 223 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 224 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 225 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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[8586] | 226 | END DO |
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[11732] | 227 | DO jk = 1, nlay_i !--- ice heat content |
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| 228 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 229 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 230 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 231 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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[11612] | 232 | END DO |
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[12832] | 233 | IF ( ln_pnd_LEV ) THEN |
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[11732] | 234 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 235 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 236 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 237 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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[12744] | 238 | IF ( ln_pnd_lids ) THEN |
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| 239 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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| 240 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
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| 241 | ENDIF |
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[12720] | 242 | ENDIF |
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[11732] | 243 | ! |
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| 244 | ENDIF |
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[8586] | 245 | |
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[11732] | 246 | ! --- Recover the properties from their contents --- ! |
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| 247 | DO jl = 1, jpl |
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| 248 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 249 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 250 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 251 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 252 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 253 | DO jk = 1, nlay_s |
---|
| 254 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 255 | END DO |
---|
| 256 | DO jk = 1, nlay_i |
---|
| 257 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 258 | END DO |
---|
[12832] | 259 | IF ( ln_pnd_LEV ) THEN |
---|
[11732] | 260 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 261 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
[12744] | 262 | IF ( ln_pnd_lids ) THEN |
---|
| 263 | pv_il(:,:,jl) = z0vl(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 264 | ENDIF |
---|
[11732] | 265 | ENDIF |
---|
[9271] | 266 | END DO |
---|
[11732] | 267 | ! |
---|
| 268 | ! derive open water from ice concentration |
---|
| 269 | zati2(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
---|
| 270 | DO jj = 2, jpjm1 |
---|
| 271 | DO ji = fs_2, fs_jpim1 |
---|
| 272 | pato_i(ji,jj) = pato_i(ji,jj) - ( zati2(ji,jj) - zati1(ji,jj) ) & !--- open water |
---|
| 273 | & - ( zudy(ji,jj) - zudy(ji-1,jj) + zvdx(ji,jj) - zvdx(ji,jj-1) ) * r1_e1e2t(ji,jj) * zdt |
---|
| 274 | END DO |
---|
[8586] | 275 | END DO |
---|
[11732] | 276 | CALL lbc_lnk( 'icedyn_adv_pra', pato_i, 'T', 1. ) |
---|
| 277 | ! |
---|
| 278 | ! --- Ensure non-negative fields --- ! |
---|
| 279 | ! Remove negative values (conservation is ensured) |
---|
| 280 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
---|
[12720] | 281 | CALL ice_var_zapneg( zdt, pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pv_il, pe_s, pe_i ) |
---|
[11732] | 282 | ! |
---|
[12197] | 283 | ! --- Make sure ice thickness is not too big --- ! |
---|
| 284 | ! (because ice thickness can be too large where ice concentration is very small) |
---|
| 285 | CALL Hbig( zdt, zhi_max, zhs_max, zhip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 286 | ! |
---|
[11732] | 287 | ! --- Ensure snow load is not too big --- ! |
---|
| 288 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 289 | ! |
---|
[8586] | 290 | END DO |
---|
| 291 | ! |
---|
| 292 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
---|
| 293 | ! |
---|
| 294 | END SUBROUTINE ice_dyn_adv_pra |
---|
| 295 | |
---|
[8817] | 296 | |
---|
[11612] | 297 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
---|
[8586] | 298 | & psx, psxx, psy , psyy, psxy ) |
---|
| 299 | !!---------------------------------------------------------------------- |
---|
| 300 | !! ** routine adv_x ** |
---|
| 301 | !! |
---|
| 302 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 303 | !! variable on x axis |
---|
| 304 | !!---------------------------------------------------------------------- |
---|
[11612] | 305 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
---|
| 306 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
| 307 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
---|
| 308 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 309 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
| 310 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 311 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 312 | !! |
---|
[11612] | 313 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
| 314 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
---|
[8586] | 315 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
| 316 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
| 317 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
---|
| 318 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
---|
| 319 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
| 320 | !----------------------------------------------------------------------- |
---|
[11612] | 321 | ! |
---|
| 322 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
| 323 | ! |
---|
| 324 | DO jl = 1, jcat ! loop on categories |
---|
| 325 | ! |
---|
| 326 | ! Limitation of moments. |
---|
| 327 | DO jj = 2, jpjm1 |
---|
| 328 | DO ji = 1, jpi |
---|
| 329 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
| 330 | psm (ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
---|
| 331 | ! |
---|
| 332 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 333 | zs1max = 1.5 * zslpmax |
---|
| 334 | zs1new = MIN( zs1max, MAX( -zs1max, psx(ji,jj,jl) ) ) |
---|
| 335 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), & |
---|
| 336 | & MAX( ABS( zs1new ) - zslpmax, psxx(ji,jj,jl) ) ) |
---|
| 337 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
[8586] | 338 | |
---|
[11612] | 339 | ps0 (ji,jj,jl) = zslpmax |
---|
| 340 | psx (ji,jj,jl) = zs1new * rswitch |
---|
| 341 | psxx(ji,jj,jl) = zs2new * rswitch |
---|
| 342 | psy (ji,jj,jl) = psy (ji,jj,jl) * rswitch |
---|
| 343 | psyy(ji,jj,jl) = psyy(ji,jj,jl) * rswitch |
---|
| 344 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
---|
| 345 | END DO |
---|
| 346 | END DO |
---|
[8586] | 347 | |
---|
[11612] | 348 | ! Calculate fluxes and moments between boxes i<-->i+1 |
---|
| 349 | DO jj = 2, jpjm1 ! Flux from i to i+1 WHEN u GT 0 |
---|
| 350 | DO ji = 1, jpi |
---|
| 351 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
---|
[11732] | 352 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt / psm(ji,jj,jl) |
---|
[11612] | 353 | zalfq = zalf * zalf |
---|
| 354 | zalf1 = 1.0 - zalf |
---|
| 355 | zalf1q = zalf1 * zalf1 |
---|
| 356 | ! |
---|
| 357 | zfm (ji,jj) = zalf * psm (ji,jj,jl) |
---|
| 358 | zf0 (ji,jj) = zalf * ( ps0 (ji,jj,jl) + zalf1 * ( psx(ji,jj,jl) + (zalf1 - zalf) * psxx(ji,jj,jl) ) ) |
---|
| 359 | zfx (ji,jj) = zalfq * ( psx (ji,jj,jl) + 3.0 * zalf1 * psxx(ji,jj,jl) ) |
---|
| 360 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) * zalfq |
---|
| 361 | zfy (ji,jj) = zalf * ( psy (ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
---|
| 362 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
---|
| 363 | zfyy(ji,jj) = zalf * psyy(ji,jj,jl) |
---|
[8586] | 364 | |
---|
[11612] | 365 | ! Readjust moments remaining in the box. |
---|
| 366 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 367 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 368 | psx (ji,jj,jl) = zalf1q * ( psx(ji,jj,jl) - 3.0 * zalf * psxx(ji,jj,jl) ) |
---|
| 369 | psxx(ji,jj,jl) = zalf1 * zalf1q * psxx(ji,jj,jl) |
---|
| 370 | psy (ji,jj,jl) = psy (ji,jj,jl) - zfy(ji,jj) |
---|
| 371 | psyy(ji,jj,jl) = psyy(ji,jj,jl) - zfyy(ji,jj) |
---|
| 372 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
---|
| 373 | END DO |
---|
[8586] | 374 | END DO |
---|
| 375 | |
---|
[11612] | 376 | DO jj = 2, jpjm1 ! Flux from i+1 to i when u LT 0. |
---|
| 377 | DO ji = 1, fs_jpim1 |
---|
[11732] | 378 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt / psm(ji+1,jj,jl) |
---|
[11612] | 379 | zalg (ji,jj) = zalf |
---|
| 380 | zalfq = zalf * zalf |
---|
| 381 | zalf1 = 1.0 - zalf |
---|
| 382 | zalg1 (ji,jj) = zalf1 |
---|
| 383 | zalf1q = zalf1 * zalf1 |
---|
| 384 | zalg1q(ji,jj) = zalf1q |
---|
| 385 | ! |
---|
| 386 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
---|
| 387 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
---|
| 388 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
---|
| 389 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
---|
| 390 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
---|
| 391 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
---|
| 392 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
---|
| 393 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
---|
| 394 | END DO |
---|
[8586] | 395 | END DO |
---|
| 396 | |
---|
[11612] | 397 | DO jj = 2, jpjm1 ! Readjust moments remaining in the box. |
---|
| 398 | DO ji = fs_2, fs_jpim1 |
---|
| 399 | zbt = zbet(ji-1,jj) |
---|
| 400 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 401 | ! |
---|
| 402 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji-1,jj) ) |
---|
| 403 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji-1,jj) ) |
---|
| 404 | psx (ji,jj,jl) = zalg1q(ji-1,jj) * ( psx(ji,jj,jl) + 3.0 * zalg(ji-1,jj) * psxx(ji,jj,jl) ) |
---|
| 405 | psxx(ji,jj,jl) = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * psxx(ji,jj,jl) |
---|
| 406 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) - zfy (ji-1,jj) ) |
---|
| 407 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) - zfyy(ji-1,jj) ) |
---|
| 408 | psxy(ji,jj,jl) = zalg1q(ji-1,jj) * psxy(ji,jj,jl) |
---|
| 409 | END DO |
---|
[8586] | 410 | END DO |
---|
| 411 | |
---|
[11612] | 412 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
| 413 | DO jj = 2, jpjm1 ! Flux from i to i+1 IF u GT 0. |
---|
| 414 | DO ji = fs_2, fs_jpim1 |
---|
| 415 | zbt = zbet(ji-1,jj) |
---|
| 416 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 417 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji-1,jj) ) + zbt1 * psm(ji,jj,jl) |
---|
| 418 | zalf = zbt * zfm(ji-1,jj) / psm(ji,jj,jl) |
---|
| 419 | zalf1 = 1.0 - zalf |
---|
| 420 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji-1,jj) |
---|
| 421 | ! |
---|
| 422 | ps0 (ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji-1,jj) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 423 | psx (ji,jj,jl) = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) + zbt1 * psx(ji,jj,jl) |
---|
| 424 | psxx(ji,jj,jl) = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 425 | & + 5.0 * ( zalf * zalf1 * ( psx (ji,jj,jl) - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
| 426 | & + zbt1 * psxx(ji,jj,jl) |
---|
| 427 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 428 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * psy(ji,jj,jl) ) ) & |
---|
| 429 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 430 | psy (ji,jj,jl) = zbt * ( psy (ji,jj,jl) + zfy (ji-1,jj) ) + zbt1 * psy (ji,jj,jl) |
---|
| 431 | psyy(ji,jj,jl) = zbt * ( psyy(ji,jj,jl) + zfyy(ji-1,jj) ) + zbt1 * psyy(ji,jj,jl) |
---|
| 432 | END DO |
---|
[8586] | 433 | END DO |
---|
| 434 | |
---|
[11612] | 435 | DO jj = 2, jpjm1 ! Flux from i+1 to i IF u LT 0. |
---|
| 436 | DO ji = fs_2, fs_jpim1 |
---|
| 437 | zbt = zbet(ji,jj) |
---|
| 438 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 439 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 440 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 441 | zalf1 = 1.0 - zalf |
---|
| 442 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 443 | ! |
---|
| 444 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 445 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 446 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 447 | & + 5.0 * ( zalf * zalf1 * ( - psx(ji,jj,jl) + zfx(ji,jj) ) & |
---|
| 448 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 449 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 450 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * psy(ji,jj,jl) ) ) |
---|
| 451 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) + zfy (ji,jj) ) |
---|
| 452 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) + zfyy(ji,jj) ) |
---|
| 453 | END DO |
---|
[8586] | 454 | END DO |
---|
| 455 | |
---|
| 456 | END DO |
---|
| 457 | |
---|
| 458 | !-- Lateral boundary conditions |
---|
[11612] | 459 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
---|
| 460 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
---|
| 461 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
---|
[8586] | 462 | ! |
---|
| 463 | END SUBROUTINE adv_x |
---|
| 464 | |
---|
| 465 | |
---|
[11612] | 466 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
---|
[8586] | 467 | & psx, psxx, psy , psyy, psxy ) |
---|
| 468 | !!--------------------------------------------------------------------- |
---|
| 469 | !! ** routine adv_y ** |
---|
| 470 | !! |
---|
| 471 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 472 | !! variable on y axis |
---|
| 473 | !!--------------------------------------------------------------------- |
---|
[11612] | 474 | REAL(wp) , INTENT(in ) :: pdt ! time step |
---|
| 475 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
| 476 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
---|
| 477 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 478 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
| 479 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 480 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 481 | !! |
---|
[11612] | 482 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
| 483 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
---|
[8586] | 484 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
| 485 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
| 486 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
---|
| 487 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
---|
| 488 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
| 489 | !--------------------------------------------------------------------- |
---|
[11612] | 490 | ! |
---|
| 491 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
| 492 | ! |
---|
| 493 | DO jl = 1, jcat ! loop on categories |
---|
| 494 | ! |
---|
| 495 | ! Limitation of moments. |
---|
| 496 | DO jj = 1, jpj |
---|
| 497 | DO ji = fs_2, fs_jpim1 |
---|
| 498 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
| 499 | psm(ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
---|
| 500 | ! |
---|
| 501 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 502 | zs1max = 1.5 * zslpmax |
---|
| 503 | zs1new = MIN( zs1max, MAX( -zs1max, psy(ji,jj,jl) ) ) |
---|
| 504 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), & |
---|
| 505 | & MAX( ABS( zs1new )-zslpmax, psyy(ji,jj,jl) ) ) |
---|
| 506 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
| 507 | ! |
---|
| 508 | ps0 (ji,jj,jl) = zslpmax |
---|
| 509 | psx (ji,jj,jl) = psx (ji,jj,jl) * rswitch |
---|
| 510 | psxx(ji,jj,jl) = psxx(ji,jj,jl) * rswitch |
---|
| 511 | psy (ji,jj,jl) = zs1new * rswitch |
---|
| 512 | psyy(ji,jj,jl) = zs2new * rswitch |
---|
| 513 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
---|
| 514 | END DO |
---|
[8586] | 515 | END DO |
---|
[11612] | 516 | |
---|
| 517 | ! Calculate fluxes and moments between boxes j<-->j+1 |
---|
| 518 | DO jj = 1, jpj ! Flux from j to j+1 WHEN v GT 0 |
---|
| 519 | DO ji = fs_2, fs_jpim1 |
---|
| 520 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
---|
[11732] | 521 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt / psm(ji,jj,jl) |
---|
[11612] | 522 | zalfq = zalf * zalf |
---|
| 523 | zalf1 = 1.0 - zalf |
---|
| 524 | zalf1q = zalf1 * zalf1 |
---|
| 525 | ! |
---|
| 526 | zfm (ji,jj) = zalf * psm(ji,jj,jl) |
---|
| 527 | zf0 (ji,jj) = zalf * ( ps0(ji,jj,jl) + zalf1 * ( psy(ji,jj,jl) + (zalf1-zalf) * psyy(ji,jj,jl) ) ) |
---|
| 528 | zfy (ji,jj) = zalfq *( psy(ji,jj,jl) + 3.0*zalf1*psyy(ji,jj,jl) ) |
---|
| 529 | zfyy(ji,jj) = zalf * zalfq * psyy(ji,jj,jl) |
---|
| 530 | zfx (ji,jj) = zalf * ( psx(ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
---|
| 531 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
---|
| 532 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) |
---|
| 533 | ! |
---|
| 534 | ! Readjust moments remaining in the box. |
---|
| 535 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 536 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 537 | psy (ji,jj,jl) = zalf1q * ( psy(ji,jj,jl) -3.0 * zalf * psyy(ji,jj,jl) ) |
---|
| 538 | psyy(ji,jj,jl) = zalf1 * zalf1q * psyy(ji,jj,jl) |
---|
| 539 | psx (ji,jj,jl) = psx (ji,jj,jl) - zfx(ji,jj) |
---|
| 540 | psxx(ji,jj,jl) = psxx(ji,jj,jl) - zfxx(ji,jj) |
---|
| 541 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
---|
| 542 | END DO |
---|
[8586] | 543 | END DO |
---|
[11612] | 544 | ! |
---|
| 545 | DO jj = 1, jpjm1 ! Flux from j+1 to j when v LT 0. |
---|
| 546 | DO ji = fs_2, fs_jpim1 |
---|
[11732] | 547 | zalf = MAX( 0._wp, -pvt(ji,jj) ) * pdt / psm(ji,jj+1,jl) |
---|
[11612] | 548 | zalg (ji,jj) = zalf |
---|
| 549 | zalfq = zalf * zalf |
---|
| 550 | zalf1 = 1.0 - zalf |
---|
| 551 | zalg1 (ji,jj) = zalf1 |
---|
| 552 | zalf1q = zalf1 * zalf1 |
---|
| 553 | zalg1q(ji,jj) = zalf1q |
---|
| 554 | ! |
---|
| 555 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
---|
| 556 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
---|
| 557 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
---|
| 558 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
---|
| 559 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
---|
| 560 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
---|
| 561 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
---|
| 562 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
---|
| 563 | END DO |
---|
[8586] | 564 | END DO |
---|
| 565 | |
---|
[11612] | 566 | ! Readjust moments remaining in the box. |
---|
| 567 | DO jj = 2, jpjm1 |
---|
| 568 | DO ji = fs_2, fs_jpim1 |
---|
| 569 | zbt = zbet(ji,jj-1) |
---|
| 570 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
---|
| 571 | ! |
---|
| 572 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji,jj-1) ) |
---|
| 573 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji,jj-1) ) |
---|
| 574 | psy (ji,jj,jl) = zalg1q(ji,jj-1) * ( psy(ji,jj,jl) + 3.0 * zalg(ji,jj-1) * psyy(ji,jj,jl) ) |
---|
| 575 | psyy(ji,jj,jl) = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * psyy(ji,jj,jl) |
---|
| 576 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) - zfx (ji,jj-1) ) |
---|
| 577 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) - zfxx(ji,jj-1) ) |
---|
| 578 | psxy(ji,jj,jl) = zalg1q(ji,jj-1) * psxy(ji,jj,jl) |
---|
| 579 | END DO |
---|
[8586] | 580 | END DO |
---|
| 581 | |
---|
[11612] | 582 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
| 583 | DO jj = 2, jpjm1 ! Flux from j to j+1 IF v GT 0. |
---|
| 584 | DO ji = fs_2, fs_jpim1 |
---|
| 585 | zbt = zbet(ji,jj-1) |
---|
| 586 | zbt1 = 1.0 - zbet(ji,jj-1) |
---|
| 587 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji,jj-1) ) + zbt1 * psm(ji,jj,jl) |
---|
| 588 | zalf = zbt * zfm(ji,jj-1) / psm(ji,jj,jl) |
---|
| 589 | zalf1 = 1.0 - zalf |
---|
| 590 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji,jj-1) |
---|
| 591 | ! |
---|
| 592 | ps0(ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji,jj-1) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 593 | psy(ji,jj,jl) = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) & |
---|
| 594 | & + zbt1 * psy(ji,jj,jl) |
---|
| 595 | psyy(ji,jj,jl) = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 596 | & + 5.0 * ( zalf * zalf1 * ( psy(ji,jj,jl) - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
| 597 | & + zbt1 * psyy(ji,jj,jl) |
---|
| 598 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * psxy(ji,jj,jl) & |
---|
| 599 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * psx(ji,jj,jl) ) ) & |
---|
| 600 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 601 | psx (ji,jj,jl) = zbt * ( psx (ji,jj,jl) + zfx (ji,jj-1) ) + zbt1 * psx (ji,jj,jl) |
---|
| 602 | psxx(ji,jj,jl) = zbt * ( psxx(ji,jj,jl) + zfxx(ji,jj-1) ) + zbt1 * psxx(ji,jj,jl) |
---|
| 603 | END DO |
---|
[8586] | 604 | END DO |
---|
| 605 | |
---|
[11612] | 606 | DO jj = 2, jpjm1 ! Flux from j+1 to j IF v LT 0. |
---|
| 607 | DO ji = fs_2, fs_jpim1 |
---|
| 608 | zbt = zbet(ji,jj) |
---|
| 609 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 610 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 611 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 612 | zalf1 = 1.0 - zalf |
---|
| 613 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 614 | ! |
---|
| 615 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 616 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 617 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 618 | & + 5.0 * ( zalf * zalf1 * ( - psy(ji,jj,jl) + zfy(ji,jj) ) & |
---|
| 619 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 620 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 621 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * psx(ji,jj,jl) ) ) |
---|
| 622 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) + zfx (ji,jj) ) |
---|
| 623 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) + zfxx(ji,jj) ) |
---|
| 624 | END DO |
---|
[8586] | 625 | END DO |
---|
[11612] | 626 | |
---|
[8586] | 627 | END DO |
---|
| 628 | |
---|
| 629 | !-- Lateral boundary conditions |
---|
[11612] | 630 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
---|
| 631 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
---|
| 632 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
---|
[8586] | 633 | ! |
---|
| 634 | END SUBROUTINE adv_y |
---|
| 635 | |
---|
[8817] | 636 | |
---|
[12197] | 637 | SUBROUTINE Hbig( pdt, phi_max, phs_max, phip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 638 | !!------------------------------------------------------------------- |
---|
| 639 | !! *** ROUTINE Hbig *** |
---|
| 640 | !! |
---|
| 641 | !! ** Purpose : Thickness correction in case advection scheme creates |
---|
| 642 | !! abnormally tick ice or snow |
---|
| 643 | !! |
---|
| 644 | !! ** Method : 1- check whether ice thickness is larger than the surrounding 9-points |
---|
| 645 | !! (before advection) and reduce it by adapting ice concentration |
---|
| 646 | !! 2- check whether snow thickness is larger than the surrounding 9-points |
---|
| 647 | !! (before advection) and reduce it by sending the excess in the ocean |
---|
| 648 | !! |
---|
| 649 | !! ** input : Max thickness of the surrounding 9-points |
---|
| 650 | !!------------------------------------------------------------------- |
---|
| 651 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 652 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: phi_max, phs_max, phip_max ! max ice thick from surrounding 9-pts |
---|
| 653 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip, pv_ip |
---|
| 654 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 655 | ! |
---|
| 656 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 657 | REAL(wp) :: z1_dt, zhip, zhi, zhs, zfra |
---|
| 658 | !!------------------------------------------------------------------- |
---|
| 659 | ! |
---|
| 660 | z1_dt = 1._wp / pdt |
---|
| 661 | ! |
---|
| 662 | DO jl = 1, jpl |
---|
| 663 | |
---|
| 664 | DO jj = 1, jpj |
---|
| 665 | DO ji = 1, jpi |
---|
| 666 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 667 | ! |
---|
| 668 | ! ! -- check h_ip -- ! |
---|
| 669 | ! if h_ip is larger than the surrounding 9 pts => reduce h_ip and increase a_ip |
---|
[12832] | 670 | IF( ln_pnd_LEV .AND. pv_ip(ji,jj,jl) > 0._wp ) THEN |
---|
[12197] | 671 | zhip = pv_ip(ji,jj,jl) / MAX( epsi20, pa_ip(ji,jj,jl) ) |
---|
| 672 | IF( zhip > phip_max(ji,jj,jl) .AND. pa_ip(ji,jj,jl) < 0.15 ) THEN |
---|
| 673 | pa_ip(ji,jj,jl) = pv_ip(ji,jj,jl) / phip_max(ji,jj,jl) |
---|
| 674 | ENDIF |
---|
| 675 | ENDIF |
---|
| 676 | ! |
---|
| 677 | ! ! -- check h_i -- ! |
---|
| 678 | ! if h_i is larger than the surrounding 9 pts => reduce h_i and increase a_i |
---|
| 679 | zhi = pv_i(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 680 | IF( zhi > phi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 681 | pa_i(ji,jj,jl) = pv_i(ji,jj,jl) / MIN( phi_max(ji,jj,jl), hi_max(jpl) ) !-- bound h_i to hi_max (99 m) |
---|
| 682 | ENDIF |
---|
| 683 | ! |
---|
| 684 | ! ! -- check h_s -- ! |
---|
| 685 | ! if h_s is larger than the surrounding 9 pts => put the snow excess in the ocean |
---|
| 686 | zhs = pv_s(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 687 | IF( pv_s(ji,jj,jl) > 0._wp .AND. zhs > phs_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 688 | zfra = phs_max(ji,jj,jl) / MAX( zhs, epsi20 ) |
---|
| 689 | ! |
---|
| 690 | wfx_res(ji,jj) = wfx_res(ji,jj) + ( pv_s(ji,jj,jl) - pa_i(ji,jj,jl) * phs_max(ji,jj,jl) ) * rhos * z1_dt |
---|
| 691 | hfx_res(ji,jj) = hfx_res(ji,jj) - SUM( pe_s(ji,jj,1:nlay_s,jl) ) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
| 692 | ! |
---|
| 693 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 694 | pv_s(ji,jj,jl) = pa_i(ji,jj,jl) * phs_max(ji,jj,jl) |
---|
| 695 | ENDIF |
---|
| 696 | ! |
---|
| 697 | ENDIF |
---|
| 698 | END DO |
---|
| 699 | END DO |
---|
| 700 | END DO |
---|
| 701 | ! |
---|
| 702 | END SUBROUTINE Hbig |
---|
| 703 | |
---|
| 704 | |
---|
[11632] | 705 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 706 | !!------------------------------------------------------------------- |
---|
| 707 | !! *** ROUTINE Hsnow *** |
---|
| 708 | !! |
---|
| 709 | !! ** Purpose : 1- Check snow load after advection |
---|
| 710 | !! 2- Correct pond concentration to avoid a_ip > a_i |
---|
| 711 | !! |
---|
| 712 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
---|
| 713 | !! then put the snow excess in the ocean |
---|
| 714 | !! |
---|
| 715 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
---|
| 716 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
---|
| 717 | !! make the snow very thick (if concentration decreases drastically) |
---|
| 718 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
---|
| 719 | !!------------------------------------------------------------------- |
---|
| 720 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 721 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
---|
| 722 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 723 | ! |
---|
| 724 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 725 | REAL(wp) :: z1_dt, zvs_excess, zfra |
---|
| 726 | !!------------------------------------------------------------------- |
---|
| 727 | ! |
---|
| 728 | z1_dt = 1._wp / pdt |
---|
| 729 | ! |
---|
| 730 | ! -- check snow load -- ! |
---|
| 731 | DO jl = 1, jpl |
---|
| 732 | DO jj = 1, jpj |
---|
| 733 | DO ji = 1, jpi |
---|
| 734 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 735 | ! |
---|
| 736 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rau0-rhoi) * r1_rhos ) |
---|
| 737 | ! |
---|
| 738 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
---|
| 739 | ! put snow excess in the ocean |
---|
| 740 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
---|
| 741 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
---|
| 742 | hfx_res(ji,jj) = hfx_res(ji,jj) - SUM( pe_s(ji,jj,1:nlay_s,jl) ) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
| 743 | ! correct snow volume and heat content |
---|
| 744 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 745 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
---|
| 746 | ENDIF |
---|
| 747 | ! |
---|
| 748 | ENDIF |
---|
| 749 | END DO |
---|
| 750 | END DO |
---|
| 751 | END DO |
---|
| 752 | ! |
---|
| 753 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
---|
| 754 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
---|
| 755 | ! |
---|
| 756 | END SUBROUTINE Hsnow |
---|
| 757 | |
---|
| 758 | |
---|
[8586] | 759 | SUBROUTINE adv_pra_init |
---|
| 760 | !!------------------------------------------------------------------- |
---|
| 761 | !! *** ROUTINE adv_pra_init *** |
---|
| 762 | !! |
---|
| 763 | !! ** Purpose : allocate and initialize arrays for Prather advection |
---|
| 764 | !!------------------------------------------------------------------- |
---|
| 765 | INTEGER :: ierr |
---|
| 766 | !!------------------------------------------------------------------- |
---|
[8817] | 767 | ! |
---|
| 768 | ! !* allocate prather fields |
---|
[11732] | 769 | ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
---|
[8586] | 770 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
---|
| 771 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
---|
| 772 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
---|
| 773 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
---|
[12720] | 774 | & sxap (jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
---|
| 775 | & sxvp (jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
---|
| 776 | & sxvl (jpi,jpj,jpl) , syvl (jpi,jpj,jpl) , sxxvl (jpi,jpj,jpl) , syyvl (jpi,jpj,jpl) , sxyvl (jpi,jpj,jpl) , & |
---|
[9271] | 777 | ! |
---|
| 778 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 779 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 780 | ! |
---|
| 781 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
---|
| 782 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
---|
[8586] | 783 | & STAT = ierr ) |
---|
| 784 | ! |
---|
[10425] | 785 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
---|
[8586] | 786 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
---|
| 787 | ! |
---|
[8817] | 788 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
---|
[8586] | 789 | ! |
---|
| 790 | END SUBROUTINE adv_pra_init |
---|
| 791 | |
---|
[8817] | 792 | |
---|
[8586] | 793 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
---|
| 794 | !!--------------------------------------------------------------------- |
---|
| 795 | !! *** ROUTINE adv_pra_rst *** |
---|
| 796 | !! |
---|
[11612] | 797 | !! ** Purpose : Read or write file in restart file |
---|
[8586] | 798 | !! |
---|
| 799 | !! ** Method : use of IOM library |
---|
| 800 | !!---------------------------------------------------------------------- |
---|
| 801 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
| 802 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
---|
| 803 | ! |
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| 804 | INTEGER :: jk, jl ! dummy loop indices |
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| 805 | INTEGER :: iter ! local integer |
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| 806 | INTEGER :: id1 ! local integer |
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| 807 | CHARACTER(len=25) :: znam |
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| 808 | CHARACTER(len=2) :: zchar, zchar1 |
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[8817] | 809 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
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[8586] | 810 | !!---------------------------------------------------------------------- |
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| 811 | ! |
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[8817] | 812 | ! !==========================! |
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| 813 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
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| 814 | ! !==========================! |
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| 815 | ! |
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[11732] | 816 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxice' , ldstop = .FALSE. ) ! file exist: id1>0 |
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[8817] | 817 | ELSE ; id1 = 0 ! no restart: id1=0 |
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| 818 | ENDIF |
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| 819 | ! |
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| 820 | IF( id1 > 0 ) THEN !** Read the restart file **! |
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[8586] | 821 | ! |
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[8817] | 822 | ! ! ice thickness |
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| 823 | CALL iom_get( numrir, jpdom_autoglo, 'sxice' , sxice ) |
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| 824 | CALL iom_get( numrir, jpdom_autoglo, 'syice' , syice ) |
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| 825 | CALL iom_get( numrir, jpdom_autoglo, 'sxxice', sxxice ) |
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| 826 | CALL iom_get( numrir, jpdom_autoglo, 'syyice', syyice ) |
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| 827 | CALL iom_get( numrir, jpdom_autoglo, 'sxyice', sxyice ) |
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| 828 | ! ! snow thickness |
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| 829 | CALL iom_get( numrir, jpdom_autoglo, 'sxsn' , sxsn ) |
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| 830 | CALL iom_get( numrir, jpdom_autoglo, 'sysn' , sysn ) |
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| 831 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsn' , sxxsn ) |
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| 832 | CALL iom_get( numrir, jpdom_autoglo, 'syysn' , syysn ) |
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| 833 | CALL iom_get( numrir, jpdom_autoglo, 'sxysn' , sxysn ) |
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[11627] | 834 | ! ! ice concentration |
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[8817] | 835 | CALL iom_get( numrir, jpdom_autoglo, 'sxa' , sxa ) |
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| 836 | CALL iom_get( numrir, jpdom_autoglo, 'sya' , sya ) |
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| 837 | CALL iom_get( numrir, jpdom_autoglo, 'sxxa' , sxxa ) |
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| 838 | CALL iom_get( numrir, jpdom_autoglo, 'syya' , syya ) |
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| 839 | CALL iom_get( numrir, jpdom_autoglo, 'sxya' , sxya ) |
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| 840 | ! ! ice salinity |
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| 841 | CALL iom_get( numrir, jpdom_autoglo, 'sxsal' , sxsal ) |
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| 842 | CALL iom_get( numrir, jpdom_autoglo, 'sysal' , sysal ) |
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| 843 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsal', sxxsal ) |
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| 844 | CALL iom_get( numrir, jpdom_autoglo, 'syysal', syysal ) |
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| 845 | CALL iom_get( numrir, jpdom_autoglo, 'sxysal', sxysal ) |
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| 846 | ! ! ice age |
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| 847 | CALL iom_get( numrir, jpdom_autoglo, 'sxage' , sxage ) |
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| 848 | CALL iom_get( numrir, jpdom_autoglo, 'syage' , syage ) |
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| 849 | CALL iom_get( numrir, jpdom_autoglo, 'sxxage', sxxage ) |
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| 850 | CALL iom_get( numrir, jpdom_autoglo, 'syyage', syyage ) |
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| 851 | CALL iom_get( numrir, jpdom_autoglo, 'sxyage', sxyage ) |
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[9271] | 852 | ! ! snow layers heat content |
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| 853 | DO jk = 1, nlay_s |
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| 854 | WRITE(zchar1,'(I2.2)') jk |
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| 855 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
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| 856 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
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| 857 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
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| 858 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
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| 859 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
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| 860 | END DO |
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[8817] | 861 | ! ! ice layers heat content |
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[9271] | 862 | DO jk = 1, nlay_i |
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[8817] | 863 | WRITE(zchar1,'(I2.2)') jk |
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[9123] | 864 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
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| 865 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sye (:,:,jk,:) = z3d(:,:,:) |
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| 866 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
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| 867 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
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| 868 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
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[8817] | 869 | END DO |
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[8586] | 870 | ! |
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[12832] | 871 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
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[12816] | 872 | IF( iom_varid( numror, 'sxap', ldstop = .FALSE. ) > 0 ) THEN |
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| 873 | CALL iom_get( numrir, jpdom_autoglo, 'sxap' , sxap ) |
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| 874 | CALL iom_get( numrir, jpdom_autoglo, 'syap' , syap ) |
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| 875 | CALL iom_get( numrir, jpdom_autoglo, 'sxxap', sxxap ) |
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| 876 | CALL iom_get( numrir, jpdom_autoglo, 'syyap', syyap ) |
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| 877 | CALL iom_get( numrir, jpdom_autoglo, 'sxyap', sxyap ) |
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| 878 | ! ! melt pond volume |
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| 879 | CALL iom_get( numrir, jpdom_autoglo, 'sxvp' , sxvp ) |
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| 880 | CALL iom_get( numrir, jpdom_autoglo, 'syvp' , syvp ) |
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| 881 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvp', sxxvp ) |
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| 882 | CALL iom_get( numrir, jpdom_autoglo, 'syyvp', syyvp ) |
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| 883 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvp', sxyvp ) |
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| 884 | ELSE |
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| 885 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
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| 886 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
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| 887 | ENDIF |
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| 888 | ! |
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[12744] | 889 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
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[12816] | 890 | IF( iom_varid( numror, 'sxvl', ldstop = .FALSE. ) > 0 ) THEN |
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| 891 | CALL iom_get( numrir, jpdom_autoglo, 'sxvl' , sxvl ) |
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| 892 | CALL iom_get( numrir, jpdom_autoglo, 'syvl' , syvl ) |
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| 893 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvl', sxxvl ) |
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| 894 | CALL iom_get( numrir, jpdom_autoglo, 'syyvl', syyvl ) |
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| 895 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvl', sxyvl ) |
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| 896 | ELSE |
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| 897 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
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| 898 | ENDIF |
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[12744] | 899 | ENDIF |
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[8586] | 900 | ENDIF |
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| 901 | ! |
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[8817] | 902 | ELSE !** start rheology from rest **! |
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| 903 | ! |
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| 904 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
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| 905 | ! |
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| 906 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
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| 907 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
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[11627] | 908 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
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[8817] | 909 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
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| 910 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
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[9271] | 911 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
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[8817] | 912 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
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[12832] | 913 | IF( ln_pnd_LEV ) THEN |
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[12744] | 914 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
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| 915 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
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| 916 | IF ( ln_pnd_lids ) THEN |
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| 917 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
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| 918 | ENDIF |
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[8586] | 919 | ENDIF |
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| 920 | ENDIF |
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| 921 | ! |
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[8817] | 922 | ! !=====================================! |
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| 923 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
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| 924 | ! !=====================================! |
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| 925 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
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[8586] | 926 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
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| 927 | ! |
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[8817] | 928 | ! |
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| 929 | ! In case Prather scheme is used for advection, write second order moments |
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| 930 | ! ------------------------------------------------------------------------ |
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| 931 | ! |
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| 932 | ! ! ice thickness |
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| 933 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
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| 934 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
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| 935 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
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| 936 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
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| 937 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
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| 938 | ! ! snow thickness |
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| 939 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
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| 940 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
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| 941 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
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| 942 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
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| 943 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
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[11627] | 944 | ! ! ice concentration |
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[8817] | 945 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
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| 946 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
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| 947 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
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| 948 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
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| 949 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
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| 950 | ! ! ice salinity |
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| 951 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
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| 952 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
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| 953 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
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| 954 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
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| 955 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
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| 956 | ! ! ice age |
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| 957 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
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| 958 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
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| 959 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
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| 960 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
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| 961 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
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[9271] | 962 | ! ! snow layers heat content |
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| 963 | DO jk = 1, nlay_s |
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| 964 | WRITE(zchar1,'(I2.2)') jk |
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| 965 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 966 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 967 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 968 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 969 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 970 | END DO |
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[8817] | 971 | ! ! ice layers heat content |
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[9271] | 972 | DO jk = 1, nlay_i |
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[8817] | 973 | WRITE(zchar1,'(I2.2)') jk |
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[9123] | 974 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 975 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 976 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 977 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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| 978 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
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[8586] | 979 | END DO |
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[8817] | 980 | ! |
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[12832] | 981 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
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[8817] | 982 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
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| 983 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
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| 984 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
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| 985 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
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| 986 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
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| 987 | ! ! melt pond volume |
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| 988 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
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| 989 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
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| 990 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
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| 991 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
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| 992 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
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[12744] | 993 | ! |
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| 994 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
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| 995 | CALL iom_rstput( iter, nitrst, numriw, 'sxvl' , sxvl ) |
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| 996 | CALL iom_rstput( iter, nitrst, numriw, 'syvl' , syvl ) |
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| 997 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvl', sxxvl ) |
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| 998 | CALL iom_rstput( iter, nitrst, numriw, 'syyvl', syyvl ) |
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| 999 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvl', sxyvl ) |
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| 1000 | ENDIF |
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[8586] | 1001 | ENDIF |
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| 1002 | ! |
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| 1003 | ENDIF |
---|
| 1004 | ! |
---|
| 1005 | END SUBROUTINE adv_pra_rst |
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| 1006 | |
---|
| 1007 | #else |
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| 1008 | !!---------------------------------------------------------------------- |
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[9570] | 1009 | !! Default option Dummy module NO SI3 sea-ice model |
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[8586] | 1010 | !!---------------------------------------------------------------------- |
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| 1011 | #endif |
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| 1012 | |
---|
| 1013 | !!====================================================================== |
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| 1014 | END MODULE icedyn_adv_pra |
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