| 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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| 6 | !! History : ! 2008-03 (M. Vancoppenolle) original code |
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| 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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| 8 | !!-------------------------------------------------------------------- |
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| 9 | #if defined key_si3 |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_si3' SI3 sea-ice model |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! ice_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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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE dom_oce ! ocean domain |
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| 19 | USE ice ! sea-ice variables |
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| 20 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
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| 21 | USE icevar ! sea-ice: operations |
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| 22 | ! |
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| 23 | USE in_out_manager ! I/O manager |
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| 24 | USE iom ! I/O manager library |
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| 25 | USE lib_mpp ! MPP library |
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| 26 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 27 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | PUBLIC ice_dyn_adv_pra ! called by icedyn_adv |
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| 33 | PUBLIC adv_pra_init ! called by icedyn_adv |
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| 34 | |
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| 35 | ! Moments for advection |
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| 36 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice ! ice thickness |
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| 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn ! snow thickness |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
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| 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal ! ice salinity |
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| 40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage ! ice age |
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| 41 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxopw, syopw, sxxopw, syyopw, sxyopw ! open water in sea ice |
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| 42 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 ! snow layers heat content |
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| 43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye ! ice layers heat content |
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| 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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| 46 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxlhp, sylhp, sxxlhp, syylhp, sxylhp ! melt pond lid thickness |
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| 47 | |
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| 48 | !! * Substitutions |
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| 49 | # include "vectopt_loop_substitute.h90" |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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| 52 | !! $Id$ |
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| 53 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | CONTAINS |
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| 56 | |
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| 57 | SUBROUTINE ice_dyn_adv_pra( kt, pu_ice, pv_ice, & |
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| 58 | & pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, plh_ip, pe_s, pe_i ) |
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| 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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| 73 | REAL(wp), DIMENSION(:,:) , INTENT(inout) :: pato_i ! open water area |
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| 74 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i ! ice volume |
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| 75 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_s ! snw volume |
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| 76 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: psv_i ! salt content |
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| 77 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: poa_i ! age content |
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| 78 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_i ! ice concentration |
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| 79 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_ip ! melt pond fraction |
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| 80 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_ip ! melt pond volume |
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| 81 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: plh_ip ! melt pond lid thickness |
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| 82 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s ! snw heat content |
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| 83 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i ! ice heat content |
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| 84 | ! |
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| 85 | INTEGER :: jk, jl, jt ! dummy loop indices |
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| 86 | INTEGER :: icycle ! number of sub-timestep for the advection |
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| 87 | REAL(wp) :: zdt ! - - |
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| 88 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
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| 89 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
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| 90 | REAL(wp), DIMENSION(jpi,jpj,1) :: z0opw |
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| 91 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
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| 92 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp, z0lhp |
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| 93 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
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| 94 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
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| 95 | !!---------------------------------------------------------------------- |
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| 96 | ! |
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| 97 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
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| 98 | ! |
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| 99 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
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| 100 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
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| 101 | ! this should not affect too much the stability |
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| 102 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) |
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| 103 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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| 104 | |
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| 105 | ! non-blocking global communication send zcflnow and receive zcflprv |
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| 106 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
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| 107 | |
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| 108 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
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| 109 | ELSE ; icycle = 1 |
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| 110 | ENDIF |
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| 111 | zdt = rdt_ice / REAL(icycle) |
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| 112 | |
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| 113 | !------------------------- |
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| 114 | ! transported fields |
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| 115 | !------------------------- |
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| 116 | z0opw(:,:,1) = pato_i(:,:) * e1e2t(:,:) ! Open water area |
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| 117 | DO jl = 1, jpl |
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| 118 | zarea(:,:,jl) = e1e2t(:,:) |
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| 119 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
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| 120 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
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| 121 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
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| 122 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
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| 123 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
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| 124 | DO jk = 1, nlay_s |
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| 125 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
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| 126 | END DO |
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| 127 | DO jk = 1, nlay_i |
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| 128 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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| 129 | END DO |
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| 130 | IF ( ln_pnd_H12 ) THEN |
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| 131 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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| 132 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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| 133 | z0lhp(:,:,jl) = plh_ip(:,:,jl) * e1e2t(:,:) ! Melt pond lid thickness |
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| 134 | ENDIF |
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| 135 | END DO |
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| 136 | |
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| 137 | ! !--------------------------------------------! |
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| 138 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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| 139 | ! !--------------------------------------------! |
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| 140 | DO jt = 1, icycle |
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| 141 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0opw , sxopw , sxxopw , syopw , syyopw , sxyopw ) !--- open water |
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| 142 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0opw , sxopw , sxxopw , syopw , syyopw , sxyopw ) |
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| 143 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 144 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 145 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 146 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 147 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 148 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 149 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 150 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 151 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 152 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 153 | ! |
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| 154 | DO jk = 1, nlay_s !--- snow heat content |
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| 155 | CALL adv_x( zdt, pu_ice, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 156 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 157 | CALL adv_y( zdt, pv_ice, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 158 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 159 | END DO |
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| 160 | DO jk = 1, nlay_i !--- ice heat content |
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| 161 | CALL adv_x( zdt, pu_ice, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 162 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 163 | CALL adv_y( zdt, pv_ice, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 164 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 165 | END DO |
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| 166 | ! |
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| 167 | IF ( ln_pnd_H12 ) THEN |
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| 168 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 169 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 170 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 171 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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| 172 | CALL adv_x( zdt , pu_ice , 1._wp , zarea , z0lhp, sxlhp, sxxlhp, sylhp, syylhp, sxylhp) !--- melt pond lid thickness |
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| 173 | CALL adv_y( zdt , pv_ice , 0._wp , zarea , z0lhp, sxlhp, sxxlhp, sylhp, syylhp, sxylhp) |
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| 174 | ENDIF |
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| 175 | END DO |
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| 176 | ! !--------------------------------------------! |
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| 177 | ELSE !== even ice time step: adv_y then adv_x ==! |
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| 178 | ! !--------------------------------------------! |
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| 179 | DO jt = 1, icycle |
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| 180 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0opw , sxopw , sxxopw , syopw , syyopw , sxyopw ) !--- open water |
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| 181 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0opw , sxopw , sxxopw , syopw , syyopw , sxyopw ) |
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| 182 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 183 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 184 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 185 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 186 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 187 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 188 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 189 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 190 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 191 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 192 | DO jk = 1, nlay_s !--- snow heat content |
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| 193 | CALL adv_y( zdt, pv_ice, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 194 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 195 | CALL adv_x( zdt, pu_ice, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 196 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 197 | END DO |
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| 198 | DO jk = 1, nlay_i !--- ice heat content |
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| 199 | CALL adv_y( zdt, pv_ice, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 200 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 201 | CALL adv_x( zdt, pu_ice, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 202 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 203 | END DO |
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| 204 | IF ( ln_pnd_H12 ) THEN |
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| 205 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 206 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 207 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 208 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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| 209 | CALL adv_y( zdt , pv_ice , 1._wp , zarea , z0lhp, sxlhp, sxxlhp, sylhp, syylhp, sxylhp) !--- melt pond lid thickness |
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| 210 | CALL adv_x( zdt , pu_ice , 0._wp , zarea , z0lhp, sxlhp, sxxlhp, sylhp, syylhp, sxylhp) |
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| 211 | ENDIF |
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| 212 | END DO |
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| 213 | ENDIF |
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| 214 | |
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| 215 | !------------------------------------------- |
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| 216 | ! Recover the properties from their contents |
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| 217 | !------------------------------------------- |
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| 218 | pato_i(:,:) = z0opw(:,:,1) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 219 | DO jl = 1, jpl |
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| 220 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 221 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 222 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 223 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 224 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 225 | DO jk = 1, nlay_s |
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| 226 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 227 | END DO |
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| 228 | DO jk = 1, nlay_i |
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| 229 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 230 | END DO |
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| 231 | IF ( ln_pnd_H12 ) THEN |
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| 232 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 233 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 234 | plh_ip(:,:,jl) = z0lhp (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 235 | ENDIF |
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| 236 | END DO |
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| 237 | ! |
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| 238 | ! --- Ensure non-negative fields --- ! |
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| 239 | ! Remove negative values (conservation is ensured) |
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| 240 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
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| 241 | CALL ice_var_zapneg( zdt, pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, plh_ip, pe_s, pe_i ) |
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| 242 | ! |
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| 243 | ! --- Ensure snow load is not too big --- ! |
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| 244 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
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| 245 | ! |
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| 246 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
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| 247 | ! |
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| 248 | END SUBROUTINE ice_dyn_adv_pra |
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| 249 | |
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| 250 | |
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| 251 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
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| 252 | & psx, psxx, psy , psyy, psxy ) |
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| 253 | !!---------------------------------------------------------------------- |
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| 254 | !! ** routine adv_x ** |
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| 255 | !! |
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| 256 | !! ** purpose : Computes and adds the advection trend to sea-ice |
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| 257 | !! variable on x axis |
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| 258 | !!---------------------------------------------------------------------- |
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| 259 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
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| 260 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
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| 261 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
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| 262 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
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| 263 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
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| 264 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
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| 265 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
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| 266 | !! |
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| 267 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
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| 268 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
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| 269 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
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| 270 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
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| 271 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
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| 272 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
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| 273 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
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| 274 | !----------------------------------------------------------------------- |
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| 275 | ! |
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| 276 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
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| 277 | ! |
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| 278 | DO jl = 1, jcat ! loop on categories |
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| 279 | ! |
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| 280 | ! Limitation of moments. |
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| 281 | DO jj = 2, jpjm1 |
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| 282 | DO ji = 1, jpi |
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| 283 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
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| 284 | psm (ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
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| 285 | ! |
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| 286 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
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| 287 | zs1max = 1.5 * zslpmax |
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| 288 | zs1new = MIN( zs1max, MAX( -zs1max, psx(ji,jj,jl) ) ) |
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| 289 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), & |
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| 290 | & MAX( ABS( zs1new ) - zslpmax, psxx(ji,jj,jl) ) ) |
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| 291 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
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| 292 | |
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| 293 | ps0 (ji,jj,jl) = zslpmax |
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| 294 | psx (ji,jj,jl) = zs1new * rswitch |
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| 295 | psxx(ji,jj,jl) = zs2new * rswitch |
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| 296 | psy (ji,jj,jl) = psy (ji,jj,jl) * rswitch |
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| 297 | psyy(ji,jj,jl) = psyy(ji,jj,jl) * rswitch |
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| 298 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
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| 299 | END DO |
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| 300 | END DO |
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| 301 | |
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| 302 | ! Calculate fluxes and moments between boxes i<-->i+1 |
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| 303 | DO jj = 2, jpjm1 ! Flux from i to i+1 WHEN u GT 0 |
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| 304 | DO ji = 1, jpi |
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| 305 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
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| 306 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt * e2u(ji,jj) / psm(ji,jj,jl) |
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| 307 | zalfq = zalf * zalf |
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| 308 | zalf1 = 1.0 - zalf |
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| 309 | zalf1q = zalf1 * zalf1 |
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| 310 | ! |
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| 311 | zfm (ji,jj) = zalf * psm (ji,jj,jl) |
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| 312 | zf0 (ji,jj) = zalf * ( ps0 (ji,jj,jl) + zalf1 * ( psx(ji,jj,jl) + (zalf1 - zalf) * psxx(ji,jj,jl) ) ) |
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| 313 | zfx (ji,jj) = zalfq * ( psx (ji,jj,jl) + 3.0 * zalf1 * psxx(ji,jj,jl) ) |
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| 314 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) * zalfq |
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| 315 | zfy (ji,jj) = zalf * ( psy (ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
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| 316 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
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| 317 | zfyy(ji,jj) = zalf * psyy(ji,jj,jl) |
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| 318 | |
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| 319 | ! Readjust moments remaining in the box. |
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| 320 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
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| 321 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
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| 322 | psx (ji,jj,jl) = zalf1q * ( psx(ji,jj,jl) - 3.0 * zalf * psxx(ji,jj,jl) ) |
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| 323 | psxx(ji,jj,jl) = zalf1 * zalf1q * psxx(ji,jj,jl) |
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| 324 | psy (ji,jj,jl) = psy (ji,jj,jl) - zfy(ji,jj) |
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| 325 | psyy(ji,jj,jl) = psyy(ji,jj,jl) - zfyy(ji,jj) |
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| 326 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
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| 327 | END DO |
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| 328 | END DO |
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| 329 | |
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| 330 | DO jj = 2, jpjm1 ! Flux from i+1 to i when u LT 0. |
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| 331 | DO ji = 1, fs_jpim1 |
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| 332 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt * e2u(ji,jj) / psm(ji+1,jj,jl) |
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| 333 | zalg (ji,jj) = zalf |
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| 334 | zalfq = zalf * zalf |
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| 335 | zalf1 = 1.0 - zalf |
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| 336 | zalg1 (ji,jj) = zalf1 |
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| 337 | zalf1q = zalf1 * zalf1 |
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| 338 | zalg1q(ji,jj) = zalf1q |
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| 339 | ! |
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| 340 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
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| 341 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
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| 342 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
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| 343 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
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| 344 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
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| 345 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
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| 346 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
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| 347 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
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| 348 | END DO |
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| 349 | END DO |
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| 350 | |
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| 351 | DO jj = 2, jpjm1 ! Readjust moments remaining in the box. |
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| 352 | DO ji = fs_2, fs_jpim1 |
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| 353 | zbt = zbet(ji-1,jj) |
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| 354 | zbt1 = 1.0 - zbet(ji-1,jj) |
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| 355 | ! |
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| 356 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji-1,jj) ) |
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| 357 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji-1,jj) ) |
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| 358 | psx (ji,jj,jl) = zalg1q(ji-1,jj) * ( psx(ji,jj,jl) + 3.0 * zalg(ji-1,jj) * psxx(ji,jj,jl) ) |
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| 359 | psxx(ji,jj,jl) = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * psxx(ji,jj,jl) |
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| 360 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) - zfy (ji-1,jj) ) |
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| 361 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) - zfyy(ji-1,jj) ) |
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| 362 | psxy(ji,jj,jl) = zalg1q(ji-1,jj) * psxy(ji,jj,jl) |
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| 363 | END DO |
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| 364 | END DO |
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| 365 | |
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| 366 | ! Put the temporary moments into appropriate neighboring boxes. |
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| 367 | DO jj = 2, jpjm1 ! Flux from i to i+1 IF u GT 0. |
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| 368 | DO ji = fs_2, fs_jpim1 |
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| 369 | zbt = zbet(ji-1,jj) |
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| 370 | zbt1 = 1.0 - zbet(ji-1,jj) |
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| 371 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji-1,jj) ) + zbt1 * psm(ji,jj,jl) |
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| 372 | zalf = zbt * zfm(ji-1,jj) / psm(ji,jj,jl) |
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| 373 | zalf1 = 1.0 - zalf |
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| 374 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji-1,jj) |
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| 375 | ! |
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| 376 | ps0 (ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji-1,jj) ) + zbt1 * ps0(ji,jj,jl) |
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| 377 | psx (ji,jj,jl) = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) + zbt1 * psx(ji,jj,jl) |
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| 378 | psxx(ji,jj,jl) = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
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| 379 | & + 5.0 * ( zalf * zalf1 * ( psx (ji,jj,jl) - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
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| 380 | & + zbt1 * psxx(ji,jj,jl) |
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| 381 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * psxy(ji,jj,jl) & |
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| 382 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * psy(ji,jj,jl) ) ) & |
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| 383 | & + zbt1 * psxy(ji,jj,jl) |
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| 384 | psy (ji,jj,jl) = zbt * ( psy (ji,jj,jl) + zfy (ji-1,jj) ) + zbt1 * psy (ji,jj,jl) |
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| 385 | psyy(ji,jj,jl) = zbt * ( psyy(ji,jj,jl) + zfyy(ji-1,jj) ) + zbt1 * psyy(ji,jj,jl) |
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| 386 | END DO |
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| 387 | END DO |
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| 388 | |
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| 389 | DO jj = 2, jpjm1 ! Flux from i+1 to i IF u LT 0. |
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| 390 | DO ji = fs_2, fs_jpim1 |
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| 391 | zbt = zbet(ji,jj) |
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| 392 | zbt1 = 1.0 - zbet(ji,jj) |
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| 393 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
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| 394 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
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| 395 | zalf1 = 1.0 - zalf |
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| 396 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
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| 397 | ! |
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| 398 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
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| 399 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) |
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| 400 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
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| 401 | & + 5.0 * ( zalf * zalf1 * ( - psx(ji,jj,jl) + zfx(ji,jj) ) & |
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| 402 | & + ( zalf1 - zalf ) * ztemp ) ) |
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| 403 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
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| 404 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * psy(ji,jj,jl) ) ) |
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| 405 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) + zfy (ji,jj) ) |
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| 406 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) + zfyy(ji,jj) ) |
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| 407 | END DO |
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| 408 | END DO |
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| 409 | |
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| 410 | END DO |
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| 411 | |
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| 412 | !-- Lateral boundary conditions |
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| 413 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
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| 414 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
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| 415 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
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| 416 | ! |
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| 417 | END SUBROUTINE adv_x |
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| 418 | |
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| 419 | |
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| 420 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
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| 421 | & psx, psxx, psy , psyy, psxy ) |
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| 422 | !!--------------------------------------------------------------------- |
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| 423 | !! ** routine adv_y ** |
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| 424 | !! |
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| 425 | !! ** purpose : Computes and adds the advection trend to sea-ice |
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| 426 | !! variable on y axis |
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| 427 | !!--------------------------------------------------------------------- |
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| 428 | REAL(wp) , INTENT(in ) :: pdt ! time step |
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| 429 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
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| 430 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
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| 431 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
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| 432 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
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| 433 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
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| 434 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
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| 435 | !! |
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| 436 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
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| 437 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
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| 438 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
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| 439 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
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| 440 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
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| 441 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
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| 442 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
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| 443 | !--------------------------------------------------------------------- |
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| 444 | ! |
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| 445 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
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| 446 | ! |
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| 447 | DO jl = 1, jcat ! loop on categories |
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| 448 | ! |
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| 449 | ! Limitation of moments. |
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| 450 | DO jj = 1, jpj |
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| 451 | DO ji = fs_2, fs_jpim1 |
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| 452 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
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| 453 | psm(ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
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| 454 | ! |
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| 455 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
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| 456 | zs1max = 1.5 * zslpmax |
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| 457 | zs1new = MIN( zs1max, MAX( -zs1max, psy(ji,jj,jl) ) ) |
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| 458 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), & |
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| 459 | & MAX( ABS( zs1new )-zslpmax, psyy(ji,jj,jl) ) ) |
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| 460 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
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| 461 | ! |
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| 462 | ps0 (ji,jj,jl) = zslpmax |
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| 463 | psx (ji,jj,jl) = psx (ji,jj,jl) * rswitch |
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| 464 | psxx(ji,jj,jl) = psxx(ji,jj,jl) * rswitch |
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| 465 | psy (ji,jj,jl) = zs1new * rswitch |
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| 466 | psyy(ji,jj,jl) = zs2new * rswitch |
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| 467 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
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| 468 | END DO |
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| 469 | END DO |
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| 470 | |
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| 471 | ! Calculate fluxes and moments between boxes j<-->j+1 |
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| 472 | DO jj = 1, jpj ! Flux from j to j+1 WHEN v GT 0 |
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| 473 | DO ji = fs_2, fs_jpim1 |
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| 474 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
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| 475 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt * e1v(ji,jj) / psm(ji,jj,jl) |
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| 476 | zalfq = zalf * zalf |
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| 477 | zalf1 = 1.0 - zalf |
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| 478 | zalf1q = zalf1 * zalf1 |
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| 479 | ! |
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| 480 | zfm (ji,jj) = zalf * psm(ji,jj,jl) |
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| 481 | zf0 (ji,jj) = zalf * ( ps0(ji,jj,jl) + zalf1 * ( psy(ji,jj,jl) + (zalf1-zalf) * psyy(ji,jj,jl) ) ) |
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| 482 | zfy (ji,jj) = zalfq *( psy(ji,jj,jl) + 3.0*zalf1*psyy(ji,jj,jl) ) |
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| 483 | zfyy(ji,jj) = zalf * zalfq * psyy(ji,jj,jl) |
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| 484 | zfx (ji,jj) = zalf * ( psx(ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
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| 485 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
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| 486 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) |
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| 487 | ! |
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| 488 | ! Readjust moments remaining in the box. |
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| 489 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
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| 490 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
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| 491 | psy (ji,jj,jl) = zalf1q * ( psy(ji,jj,jl) -3.0 * zalf * psyy(ji,jj,jl) ) |
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| 492 | psyy(ji,jj,jl) = zalf1 * zalf1q * psyy(ji,jj,jl) |
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| 493 | psx (ji,jj,jl) = psx (ji,jj,jl) - zfx(ji,jj) |
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| 494 | psxx(ji,jj,jl) = psxx(ji,jj,jl) - zfxx(ji,jj) |
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| 495 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
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| 496 | END DO |
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| 497 | END DO |
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| 498 | ! |
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| 499 | DO jj = 1, jpjm1 ! Flux from j+1 to j when v LT 0. |
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| 500 | DO ji = fs_2, fs_jpim1 |
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| 501 | zalf = ( MAX(0._wp, -pvt(ji,jj) ) * pdt * e1v(ji,jj) ) / psm(ji,jj+1,jl) |
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| 502 | zalg (ji,jj) = zalf |
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| 503 | zalfq = zalf * zalf |
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| 504 | zalf1 = 1.0 - zalf |
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| 505 | zalg1 (ji,jj) = zalf1 |
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| 506 | zalf1q = zalf1 * zalf1 |
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| 507 | zalg1q(ji,jj) = zalf1q |
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| 508 | ! |
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| 509 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
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| 510 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
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| 511 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
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| 512 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
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| 513 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
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| 514 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
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| 515 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
|---|
| 516 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
|---|
| 517 | END DO |
|---|
| 518 | END DO |
|---|
| 519 | |
|---|
| 520 | ! Readjust moments remaining in the box. |
|---|
| 521 | DO jj = 2, jpjm1 |
|---|
| 522 | DO ji = fs_2, fs_jpim1 |
|---|
| 523 | zbt = zbet(ji,jj-1) |
|---|
| 524 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
|---|
| 525 | ! |
|---|
| 526 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji,jj-1) ) |
|---|
| 527 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji,jj-1) ) |
|---|
| 528 | psy (ji,jj,jl) = zalg1q(ji,jj-1) * ( psy(ji,jj,jl) + 3.0 * zalg(ji,jj-1) * psyy(ji,jj,jl) ) |
|---|
| 529 | psyy(ji,jj,jl) = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * psyy(ji,jj,jl) |
|---|
| 530 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) - zfx (ji,jj-1) ) |
|---|
| 531 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) - zfxx(ji,jj-1) ) |
|---|
| 532 | psxy(ji,jj,jl) = zalg1q(ji,jj-1) * psxy(ji,jj,jl) |
|---|
| 533 | END DO |
|---|
| 534 | END DO |
|---|
| 535 | |
|---|
| 536 | ! Put the temporary moments into appropriate neighboring boxes. |
|---|
| 537 | DO jj = 2, jpjm1 ! Flux from j to j+1 IF v GT 0. |
|---|
| 538 | DO ji = fs_2, fs_jpim1 |
|---|
| 539 | zbt = zbet(ji,jj-1) |
|---|
| 540 | zbt1 = 1.0 - zbet(ji,jj-1) |
|---|
| 541 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji,jj-1) ) + zbt1 * psm(ji,jj,jl) |
|---|
| 542 | zalf = zbt * zfm(ji,jj-1) / psm(ji,jj,jl) |
|---|
| 543 | zalf1 = 1.0 - zalf |
|---|
| 544 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji,jj-1) |
|---|
| 545 | ! |
|---|
| 546 | ps0(ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji,jj-1) ) + zbt1 * ps0(ji,jj,jl) |
|---|
| 547 | psy(ji,jj,jl) = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) & |
|---|
| 548 | & + zbt1 * psy(ji,jj,jl) |
|---|
| 549 | psyy(ji,jj,jl) = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
|---|
| 550 | & + 5.0 * ( zalf * zalf1 * ( psy(ji,jj,jl) - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
|---|
| 551 | & + zbt1 * psyy(ji,jj,jl) |
|---|
| 552 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * psxy(ji,jj,jl) & |
|---|
| 553 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * psx(ji,jj,jl) ) ) & |
|---|
| 554 | & + zbt1 * psxy(ji,jj,jl) |
|---|
| 555 | psx (ji,jj,jl) = zbt * ( psx (ji,jj,jl) + zfx (ji,jj-1) ) + zbt1 * psx (ji,jj,jl) |
|---|
| 556 | psxx(ji,jj,jl) = zbt * ( psxx(ji,jj,jl) + zfxx(ji,jj-1) ) + zbt1 * psxx(ji,jj,jl) |
|---|
| 557 | END DO |
|---|
| 558 | END DO |
|---|
| 559 | |
|---|
| 560 | DO jj = 2, jpjm1 ! Flux from j+1 to j IF v LT 0. |
|---|
| 561 | DO ji = fs_2, fs_jpim1 |
|---|
| 562 | zbt = zbet(ji,jj) |
|---|
| 563 | zbt1 = 1.0 - zbet(ji,jj) |
|---|
| 564 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
|---|
| 565 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
|---|
| 566 | zalf1 = 1.0 - zalf |
|---|
| 567 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
|---|
| 568 | ! |
|---|
| 569 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
|---|
| 570 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) |
|---|
| 571 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
|---|
| 572 | & + 5.0 * ( zalf * zalf1 * ( - psy(ji,jj,jl) + zfy(ji,jj) ) & |
|---|
| 573 | & + ( zalf1 - zalf ) * ztemp ) ) |
|---|
| 574 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
|---|
| 575 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * psx(ji,jj,jl) ) ) |
|---|
| 576 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) + zfx (ji,jj) ) |
|---|
| 577 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) + zfxx(ji,jj) ) |
|---|
| 578 | END DO |
|---|
| 579 | END DO |
|---|
| 580 | |
|---|
| 581 | END DO |
|---|
| 582 | |
|---|
| 583 | !-- Lateral boundary conditions |
|---|
| 584 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
|---|
| 585 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
|---|
| 586 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
|---|
| 587 | ! |
|---|
| 588 | END SUBROUTINE adv_y |
|---|
| 589 | |
|---|
| 590 | |
|---|
| 591 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
|---|
| 592 | !!------------------------------------------------------------------- |
|---|
| 593 | !! *** ROUTINE Hsnow *** |
|---|
| 594 | !! |
|---|
| 595 | !! ** Purpose : 1- Check snow load after advection |
|---|
| 596 | !! 2- Correct pond concentration to avoid a_ip > a_i |
|---|
| 597 | !! |
|---|
| 598 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
|---|
| 599 | !! then put the snow excess in the ocean |
|---|
| 600 | !! |
|---|
| 601 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
|---|
| 602 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
|---|
| 603 | !! make the snow very thick (if concentration decreases drastically) |
|---|
| 604 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
|---|
| 605 | !!------------------------------------------------------------------- |
|---|
| 606 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
|---|
| 607 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
|---|
| 608 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
|---|
| 609 | ! |
|---|
| 610 | INTEGER :: ji, jj, jl ! dummy loop indices |
|---|
| 611 | REAL(wp) :: z1_dt, zvs_excess, zfra |
|---|
| 612 | !!------------------------------------------------------------------- |
|---|
| 613 | ! |
|---|
| 614 | z1_dt = 1._wp / pdt |
|---|
| 615 | ! |
|---|
| 616 | ! -- check snow load -- ! |
|---|
| 617 | DO jl = 1, jpl |
|---|
| 618 | DO jj = 1, jpj |
|---|
| 619 | DO ji = 1, jpi |
|---|
| 620 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
|---|
| 621 | ! |
|---|
| 622 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rau0-rhoi) * r1_rhos ) |
|---|
| 623 | ! |
|---|
| 624 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
|---|
| 625 | ! put snow excess in the ocean |
|---|
| 626 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
|---|
| 627 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
|---|
| 628 | 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 |
|---|
| 629 | ! correct snow volume and heat content |
|---|
| 630 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
|---|
| 631 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
|---|
| 632 | ENDIF |
|---|
| 633 | ! |
|---|
| 634 | ENDIF |
|---|
| 635 | END DO |
|---|
| 636 | END DO |
|---|
| 637 | END DO |
|---|
| 638 | ! |
|---|
| 639 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
|---|
| 640 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
|---|
| 641 | ! |
|---|
| 642 | END SUBROUTINE Hsnow |
|---|
| 643 | |
|---|
| 644 | |
|---|
| 645 | SUBROUTINE adv_pra_init |
|---|
| 646 | !!------------------------------------------------------------------- |
|---|
| 647 | !! *** ROUTINE adv_pra_init *** |
|---|
| 648 | !! |
|---|
| 649 | !! ** Purpose : allocate and initialize arrays for Prather advection |
|---|
| 650 | !!------------------------------------------------------------------- |
|---|
| 651 | INTEGER :: ierr |
|---|
| 652 | !!------------------------------------------------------------------- |
|---|
| 653 | ! |
|---|
| 654 | ! !* allocate prather fields |
|---|
| 655 | ALLOCATE( sxopw(jpi,jpj,1) , syopw(jpi,jpj,1) , sxxopw(jpi,jpj,1) , syyopw(jpi,jpj,1) , sxyopw(jpi,jpj,1) , & |
|---|
| 656 | & sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
|---|
| 657 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
|---|
| 658 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
|---|
| 659 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
|---|
| 660 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
|---|
| 661 | & sxap(jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
|---|
| 662 | & sxvp(jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
|---|
| 663 | & sxlhp(jpi,jpj,jpl) , sylhp (jpi,jpj,jpl), sxxlhp (jpi,jpj,jpl), syylhp (jpi,jpj,jpl), sxylhp (jpi,jpj,jpl), & |
|---|
| 664 | ! |
|---|
| 665 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
|---|
| 666 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
|---|
| 667 | ! |
|---|
| 668 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
|---|
| 669 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
|---|
| 670 | & STAT = ierr ) |
|---|
| 671 | ! |
|---|
| 672 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
|---|
| 673 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
|---|
| 674 | ! |
|---|
| 675 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
|---|
| 676 | ! |
|---|
| 677 | END SUBROUTINE adv_pra_init |
|---|
| 678 | |
|---|
| 679 | |
|---|
| 680 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
|---|
| 681 | !!--------------------------------------------------------------------- |
|---|
| 682 | !! *** ROUTINE adv_pra_rst *** |
|---|
| 683 | !! |
|---|
| 684 | !! ** Purpose : Read or write file in restart file |
|---|
| 685 | !! |
|---|
| 686 | !! ** Method : use of IOM library |
|---|
| 687 | !!---------------------------------------------------------------------- |
|---|
| 688 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
|---|
| 689 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
|---|
| 690 | ! |
|---|
| 691 | INTEGER :: jk, jl ! dummy loop indices |
|---|
| 692 | INTEGER :: iter ! local integer |
|---|
| 693 | INTEGER :: id1 ! local integer |
|---|
| 694 | CHARACTER(len=25) :: znam |
|---|
| 695 | CHARACTER(len=2) :: zchar, zchar1 |
|---|
| 696 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
|---|
| 697 | !!---------------------------------------------------------------------- |
|---|
| 698 | ! |
|---|
| 699 | ! !==========================! |
|---|
| 700 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
|---|
| 701 | ! !==========================! |
|---|
| 702 | ! |
|---|
| 703 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxopw' , ldstop = .FALSE. ) ! file exist: id1>0 |
|---|
| 704 | ELSE ; id1 = 0 ! no restart: id1=0 |
|---|
| 705 | ENDIF |
|---|
| 706 | ! |
|---|
| 707 | IF( id1 > 0 ) THEN !** Read the restart file **! |
|---|
| 708 | ! |
|---|
| 709 | ! ! ice thickness |
|---|
| 710 | CALL iom_get( numrir, jpdom_autoglo, 'sxice' , sxice ) |
|---|
| 711 | CALL iom_get( numrir, jpdom_autoglo, 'syice' , syice ) |
|---|
| 712 | CALL iom_get( numrir, jpdom_autoglo, 'sxxice', sxxice ) |
|---|
| 713 | CALL iom_get( numrir, jpdom_autoglo, 'syyice', syyice ) |
|---|
| 714 | CALL iom_get( numrir, jpdom_autoglo, 'sxyice', sxyice ) |
|---|
| 715 | ! ! snow thickness |
|---|
| 716 | CALL iom_get( numrir, jpdom_autoglo, 'sxsn' , sxsn ) |
|---|
| 717 | CALL iom_get( numrir, jpdom_autoglo, 'sysn' , sysn ) |
|---|
| 718 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsn' , sxxsn ) |
|---|
| 719 | CALL iom_get( numrir, jpdom_autoglo, 'syysn' , syysn ) |
|---|
| 720 | CALL iom_get( numrir, jpdom_autoglo, 'sxysn' , sxysn ) |
|---|
| 721 | ! ! ice concentration |
|---|
| 722 | CALL iom_get( numrir, jpdom_autoglo, 'sxa' , sxa ) |
|---|
| 723 | CALL iom_get( numrir, jpdom_autoglo, 'sya' , sya ) |
|---|
| 724 | CALL iom_get( numrir, jpdom_autoglo, 'sxxa' , sxxa ) |
|---|
| 725 | CALL iom_get( numrir, jpdom_autoglo, 'syya' , syya ) |
|---|
| 726 | CALL iom_get( numrir, jpdom_autoglo, 'sxya' , sxya ) |
|---|
| 727 | ! ! ice salinity |
|---|
| 728 | CALL iom_get( numrir, jpdom_autoglo, 'sxsal' , sxsal ) |
|---|
| 729 | CALL iom_get( numrir, jpdom_autoglo, 'sysal' , sysal ) |
|---|
| 730 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsal', sxxsal ) |
|---|
| 731 | CALL iom_get( numrir, jpdom_autoglo, 'syysal', syysal ) |
|---|
| 732 | CALL iom_get( numrir, jpdom_autoglo, 'sxysal', sxysal ) |
|---|
| 733 | ! ! ice age |
|---|
| 734 | CALL iom_get( numrir, jpdom_autoglo, 'sxage' , sxage ) |
|---|
| 735 | CALL iom_get( numrir, jpdom_autoglo, 'syage' , syage ) |
|---|
| 736 | CALL iom_get( numrir, jpdom_autoglo, 'sxxage', sxxage ) |
|---|
| 737 | CALL iom_get( numrir, jpdom_autoglo, 'syyage', syyage ) |
|---|
| 738 | CALL iom_get( numrir, jpdom_autoglo, 'sxyage', sxyage ) |
|---|
| 739 | ! ! open water in sea ice |
|---|
| 740 | CALL iom_get( numrir, jpdom_autoglo, 'sxopw' , sxopw ) |
|---|
| 741 | CALL iom_get( numrir, jpdom_autoglo, 'syopw' , syopw ) |
|---|
| 742 | CALL iom_get( numrir, jpdom_autoglo, 'sxxopw', sxxopw ) |
|---|
| 743 | CALL iom_get( numrir, jpdom_autoglo, 'syyopw', syyopw ) |
|---|
| 744 | CALL iom_get( numrir, jpdom_autoglo, 'sxyopw', sxyopw ) |
|---|
| 745 | ! ! snow layers heat content |
|---|
| 746 | DO jk = 1, nlay_s |
|---|
| 747 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 748 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
|---|
| 749 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
|---|
| 750 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 751 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 752 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 753 | END DO |
|---|
| 754 | ! ! ice layers heat content |
|---|
| 755 | DO jk = 1, nlay_i |
|---|
| 756 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 757 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
|---|
| 758 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sye (:,:,jk,:) = z3d(:,:,:) |
|---|
| 759 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
|---|
| 760 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
|---|
| 761 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
|---|
| 762 | END DO |
|---|
| 763 | ! |
|---|
| 764 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
|---|
| 765 | CALL iom_get( numrir, jpdom_autoglo, 'sxap' , sxap ) |
|---|
| 766 | CALL iom_get( numrir, jpdom_autoglo, 'syap' , syap ) |
|---|
| 767 | CALL iom_get( numrir, jpdom_autoglo, 'sxxap', sxxap ) |
|---|
| 768 | CALL iom_get( numrir, jpdom_autoglo, 'syyap', syyap ) |
|---|
| 769 | CALL iom_get( numrir, jpdom_autoglo, 'sxyap', sxyap ) |
|---|
| 770 | ! ! melt pond volume |
|---|
| 771 | CALL iom_get( numrir, jpdom_autoglo, 'sxvp' , sxvp ) |
|---|
| 772 | CALL iom_get( numrir, jpdom_autoglo, 'syvp' , syvp ) |
|---|
| 773 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvp', sxxvp ) |
|---|
| 774 | CALL iom_get( numrir, jpdom_autoglo, 'syyvp', syyvp ) |
|---|
| 775 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvp', sxyvp ) |
|---|
| 776 | ! ! melt pond lid thickness |
|---|
| 777 | CALL iom_get( numrir, jpdom_autoglo, 'sxlhp' , sxlhp ) |
|---|
| 778 | CALL iom_get( numrir, jpdom_autoglo, 'sylhp' , sylhp ) |
|---|
| 779 | CALL iom_get( numrir, jpdom_autoglo, 'sxxlhp', sxxlhp ) |
|---|
| 780 | CALL iom_get( numrir, jpdom_autoglo, 'syylhp', syylhp ) |
|---|
| 781 | CALL iom_get( numrir, jpdom_autoglo, 'sxylhp', sxylhp ) |
|---|
| 782 | ENDIF |
|---|
| 783 | ! |
|---|
| 784 | ELSE !** start rheology from rest **! |
|---|
| 785 | ! |
|---|
| 786 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
|---|
| 787 | ! |
|---|
| 788 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
|---|
| 789 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
|---|
| 790 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
|---|
| 791 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
|---|
| 792 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
|---|
| 793 | sxopw = 0._wp ; syopw = 0._wp ; sxxopw = 0._wp ; syyopw = 0._wp ; sxyopw = 0._wp ! open water in sea ice |
|---|
| 794 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
|---|
| 795 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
|---|
| 796 | IF( ln_pnd_H12 ) THEN |
|---|
| 797 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
|---|
| 798 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
|---|
| 799 | sxlhp = 0._wp ; sylhp = 0._wp ; sxxlhp = 0._wp ; syylhp = 0._wp ; sxylhp = 0._wp ! melt pond lid thickness |
|---|
| 800 | ENDIF |
|---|
| 801 | ENDIF |
|---|
| 802 | ! |
|---|
| 803 | ! !=====================================! |
|---|
| 804 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
|---|
| 805 | ! !=====================================! |
|---|
| 806 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
|---|
| 807 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
|---|
| 808 | ! |
|---|
| 809 | ! |
|---|
| 810 | ! In case Prather scheme is used for advection, write second order moments |
|---|
| 811 | ! ------------------------------------------------------------------------ |
|---|
| 812 | ! |
|---|
| 813 | ! ! ice thickness |
|---|
| 814 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
|---|
| 815 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
|---|
| 816 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
|---|
| 817 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
|---|
| 818 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
|---|
| 819 | ! ! snow thickness |
|---|
| 820 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
|---|
| 821 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
|---|
| 822 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
|---|
| 823 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
|---|
| 824 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
|---|
| 825 | ! ! ice concentration |
|---|
| 826 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
|---|
| 827 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
|---|
| 828 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
|---|
| 829 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
|---|
| 830 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
|---|
| 831 | ! ! ice salinity |
|---|
| 832 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
|---|
| 833 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
|---|
| 834 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
|---|
| 835 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
|---|
| 836 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
|---|
| 837 | ! ! ice age |
|---|
| 838 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
|---|
| 839 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
|---|
| 840 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
|---|
| 841 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
|---|
| 842 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
|---|
| 843 | ! ! open water in sea ice |
|---|
| 844 | CALL iom_rstput( iter, nitrst, numriw, 'sxopw' , sxopw ) |
|---|
| 845 | CALL iom_rstput( iter, nitrst, numriw, 'syopw' , syopw ) |
|---|
| 846 | CALL iom_rstput( iter, nitrst, numriw, 'sxxopw', sxxopw ) |
|---|
| 847 | CALL iom_rstput( iter, nitrst, numriw, 'syyopw', syyopw ) |
|---|
| 848 | CALL iom_rstput( iter, nitrst, numriw, 'sxyopw', sxyopw ) |
|---|
| 849 | ! ! snow layers heat content |
|---|
| 850 | DO jk = 1, nlay_s |
|---|
| 851 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 852 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 853 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 854 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 855 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 856 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 857 | END DO |
|---|
| 858 | ! ! ice layers heat content |
|---|
| 859 | DO jk = 1, nlay_i |
|---|
| 860 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 861 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 862 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 863 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 864 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 865 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 866 | END DO |
|---|
| 867 | ! |
|---|
| 868 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
|---|
| 869 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
|---|
| 870 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
|---|
| 871 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
|---|
| 872 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
|---|
| 873 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
|---|
| 874 | ! ! melt pond volume |
|---|
| 875 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
|---|
| 876 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
|---|
| 877 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
|---|
| 878 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
|---|
| 879 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
|---|
| 880 | ! ! melt pond lid thickness |
|---|
| 881 | CALL iom_rstput( iter, nitrst, numriw, 'sxlhp' , sxlhp ) |
|---|
| 882 | CALL iom_rstput( iter, nitrst, numriw, 'sylhp' , sylhp ) |
|---|
| 883 | CALL iom_rstput( iter, nitrst, numriw, 'sxxlhp', sxxlhp ) |
|---|
| 884 | CALL iom_rstput( iter, nitrst, numriw, 'syylhp', syylhp ) |
|---|
| 885 | CALL iom_rstput( iter, nitrst, numriw, 'sxylhp', sxylhp ) |
|---|
| 886 | ENDIF |
|---|
| 887 | ! |
|---|
| 888 | ENDIF |
|---|
| 889 | ! |
|---|
| 890 | END SUBROUTINE adv_pra_rst |
|---|
| 891 | |
|---|
| 892 | #else |
|---|
| 893 | !!---------------------------------------------------------------------- |
|---|
| 894 | !! Default option Dummy module NO SI3 sea-ice model |
|---|
| 895 | !!---------------------------------------------------------------------- |
|---|
| 896 | #endif |
|---|
| 897 | |
|---|
| 898 | !!====================================================================== |
|---|
| 899 | END MODULE icedyn_adv_pra |
|---|
