| 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 phycst ! physical constant |
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| 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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| 22 | USE icevar ! sea-ice: operations |
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| 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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| 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
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| 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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| 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(:,:,:) :: sxvl , syvl , sxxvl , syyvl , sxyvl ! melt pond lid volume |
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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, ph_i, ph_s, ph_ip, & |
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| 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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| 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(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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| 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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| 84 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_il ! melt pond lid thickness |
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| 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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| 88 | INTEGER :: ji, jj, jk, jl, jt ! dummy loop indices |
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| 89 | INTEGER :: icycle ! number of sub-timestep for the advection |
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| 90 | REAL(wp) :: zdt, z1_dt ! - - |
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| 91 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
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| 92 | REAL(wp), DIMENSION(jpi,jpj) :: zati1, zati2 |
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| 93 | REAL(wp), DIMENSION(jpi,jpj) :: zudy, zvdx |
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| 94 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhi_max, zhs_max, zhip_max, zs_i, zsi_max |
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| 95 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: ze_i, zei_max |
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| 96 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: ze_s, zes_max |
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| 97 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
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| 98 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
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| 99 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp, z0vl |
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| 100 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
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| 101 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
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| 102 | !! diagnostics |
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| 103 | REAL(wp), DIMENSION(jpi,jpj) :: zdiag_adv_mass, zdiag_adv_salt, zdiag_adv_heat |
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| 104 | !!---------------------------------------------------------------------- |
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| 105 | ! |
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| 106 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
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| 107 | ! |
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| 108 | ! --- Record max of the surrounding 9-pts (for call Hbig) --- ! |
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| 109 | ! thickness and salinity |
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| 110 | WHERE( pv_i(:,:,:) >= epsi10 ) ; zs_i(:,:,:) = psv_i(:,:,:) / pv_i(:,:,:) |
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| 111 | ELSEWHERE ; zs_i(:,:,:) = 0._wp |
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| 112 | END WHERE |
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| 113 | CALL icemax3D( ph_i , zhi_max ) |
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| 114 | CALL icemax3D( ph_s , zhs_max ) |
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| 115 | CALL icemax3D( ph_ip, zhip_max) |
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| 116 | CALL icemax3D( zs_i , zsi_max ) |
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| 117 | CALL lbc_lnk_multi( 'icedyn_adv_pra', zhi_max, 'T', 1., zhs_max, 'T', 1., zhip_max, 'T', 1., zsi_max, 'T', 1. ) |
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| 118 | |
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| 119 | ! enthalpies |
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| 120 | DO jk = 1, nlay_i |
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| 121 | WHERE( pv_i(:,:,:) >= epsi10 ) ; ze_i(:,:,jk,:) = pe_i(:,:,jk,:) / pv_i(:,:,:) |
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| 122 | ELSEWHERE ; ze_i(:,:,jk,:) = 0._wp |
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| 123 | END WHERE |
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| 124 | END DO |
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| 125 | DO jk = 1, nlay_s |
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| 126 | WHERE( pv_s(:,:,:) >= epsi10 ) ; ze_s(:,:,jk,:) = pe_s(:,:,jk,:) / pv_s(:,:,:) |
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| 127 | ELSEWHERE ; ze_s(:,:,jk,:) = 0._wp |
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| 128 | END WHERE |
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| 129 | END DO |
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| 130 | CALL icemax4D( ze_i , zei_max ) |
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| 131 | CALL icemax4D( ze_s , zes_max ) |
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| 132 | CALL lbc_lnk( 'icedyn_adv_pra', zei_max, 'T', 1. ) |
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| 133 | CALL lbc_lnk( 'icedyn_adv_pra', zes_max, 'T', 1. ) |
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| 134 | ! |
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| 135 | ! |
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| 136 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
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| 137 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
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| 138 | ! this should not affect too much the stability |
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| 139 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) |
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| 140 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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| 141 | |
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| 142 | ! non-blocking global communication send zcflnow and receive zcflprv |
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| 143 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
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| 144 | |
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| 145 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
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| 146 | ELSE ; icycle = 1 |
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| 147 | ENDIF |
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| 148 | zdt = rdt_ice / REAL(icycle) |
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| 149 | z1_dt = 1._wp / zdt |
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| 150 | |
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| 151 | ! --- transport --- ! |
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| 152 | zudy(:,:) = pu_ice(:,:) * e2u(:,:) |
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| 153 | zvdx(:,:) = pv_ice(:,:) * e1v(:,:) |
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| 154 | |
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| 155 | DO jt = 1, icycle |
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| 156 | |
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| 157 | ! diagnostics |
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| 158 | zdiag_adv_mass(:,:) = SUM( pv_i(:,:,:) , dim=3 ) * rhoi + SUM( pv_s(:,:,:) , dim=3 ) * rhos |
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| 159 | zdiag_adv_salt(:,:) = SUM( psv_i(:,:,:) , dim=3 ) * rhoi |
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| 160 | zdiag_adv_heat(:,:) = - SUM(SUM( pe_i(:,:,1:nlay_i,:) , dim=4 ), dim=3 ) & |
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| 161 | & - SUM(SUM( pe_s(:,:,1:nlay_s,:) , dim=4 ), dim=3 ) |
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| 162 | |
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| 163 | ! record at_i before advection (for open water) |
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| 164 | zati1(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
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| 165 | |
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| 166 | ! --- transported fields --- ! |
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| 167 | DO jl = 1, jpl |
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| 168 | zarea(:,:,jl) = e1e2t(:,:) |
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| 169 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
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| 170 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
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| 171 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
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| 172 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
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| 173 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
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| 174 | DO jk = 1, nlay_s |
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| 175 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
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| 176 | END DO |
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| 177 | DO jk = 1, nlay_i |
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| 178 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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| 179 | END DO |
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| 180 | IF ( ln_pnd_LEV ) THEN |
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| 181 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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| 182 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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| 183 | IF ( ln_pnd_lids ) THEN |
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| 184 | z0vl(:,:,jl) = pv_il(:,:,jl) * e1e2t(:,:) ! Melt pond lid volume |
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| 185 | ENDIF |
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| 186 | ENDIF |
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| 187 | END DO |
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| 188 | ! |
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| 189 | ! !--------------------------------------------! |
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| 190 | 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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| 191 | ! !--------------------------------------------! |
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| 192 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 193 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 194 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 195 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 196 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 197 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 198 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 199 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 200 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 201 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 202 | ! |
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| 203 | DO jk = 1, nlay_s !--- snow heat content |
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| 204 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 205 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 206 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 207 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 208 | END DO |
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| 209 | DO jk = 1, nlay_i !--- ice heat content |
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| 210 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 211 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 212 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 213 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 214 | END DO |
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| 215 | ! |
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| 216 | IF ( ln_pnd_LEV ) THEN |
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| 217 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 218 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 219 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 220 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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| 221 | IF ( ln_pnd_lids ) THEN |
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| 222 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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| 223 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
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| 224 | ENDIF |
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| 225 | ENDIF |
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| 226 | ! !--------------------------------------------! |
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| 227 | ELSE !== even ice time step: adv_y then adv_x ==! |
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| 228 | ! !--------------------------------------------! |
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| 229 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 230 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 231 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 232 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 233 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 234 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 235 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 236 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 237 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 238 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 239 | DO jk = 1, nlay_s !--- snow heat content |
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| 240 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 241 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 242 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 243 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 244 | END DO |
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| 245 | DO jk = 1, nlay_i !--- ice heat content |
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| 246 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 247 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 248 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 249 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 250 | END DO |
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| 251 | IF ( ln_pnd_LEV ) THEN |
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| 252 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 253 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 254 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 255 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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| 256 | IF ( ln_pnd_lids ) THEN |
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| 257 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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| 258 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
|---|
| 259 | ENDIF |
|---|
| 260 | ENDIF |
|---|
| 261 | ! |
|---|
| 262 | ENDIF |
|---|
| 263 | |
|---|
| 264 | ! --- Lateral boundary conditions --- ! |
|---|
| 265 | ! caution: for gradients (sx and sy) the sign changes |
|---|
| 266 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ice , 'T', 1._wp, sxice , 'T', -1._wp, syice , 'T', -1._wp & ! ice volume |
|---|
| 267 | & , sxxice, 'T', 1._wp, syyice, 'T', 1._wp, sxyice, 'T', 1._wp & |
|---|
| 268 | & , z0snw , 'T', 1._wp, sxsn , 'T', -1._wp, sysn , 'T', -1._wp & ! snw volume |
|---|
| 269 | & , sxxsn , 'T', 1._wp, syysn , 'T', 1._wp, sxysn , 'T', 1._wp ) |
|---|
| 270 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0smi , 'T', 1._wp, sxsal , 'T', -1._wp, sysal , 'T', -1._wp & ! ice salinity |
|---|
| 271 | & , sxxsal, 'T', 1._wp, syysal, 'T', 1._wp, sxysal, 'T', 1._wp & |
|---|
| 272 | & , z0ai , 'T', 1._wp, sxa , 'T', -1._wp, sya , 'T', -1._wp & ! ice concentration |
|---|
| 273 | & , sxxa , 'T', 1._wp, syya , 'T', 1._wp, sxya , 'T', 1._wp ) |
|---|
| 274 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0oi , 'T', 1._wp, sxage , 'T', -1._wp, syage , 'T', -1._wp & ! ice age |
|---|
| 275 | & , sxxage, 'T', 1._wp, syyage, 'T', 1._wp, sxyage, 'T', 1._wp ) |
|---|
| 276 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0es , 'T', 1._wp, sxc0 , 'T', -1._wp, syc0 , 'T', -1._wp & ! snw enthalpy |
|---|
| 277 | & , sxxc0 , 'T', 1._wp, syyc0 , 'T', 1._wp, sxyc0 , 'T', 1._wp ) |
|---|
| 278 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ei , 'T', 1._wp, sxe , 'T', -1._wp, sye , 'T', -1._wp & ! ice enthalpy |
|---|
| 279 | & , sxxe , 'T', 1._wp, syye , 'T', 1._wp, sxye , 'T', 1._wp ) |
|---|
| 280 | IF ( ln_pnd_LEV ) THEN |
|---|
| 281 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ap , 'T', 1._wp, sxap , 'T', -1._wp, syap , 'T', -1._wp & ! melt pond fraction |
|---|
| 282 | & , sxxap, 'T', 1._wp, syyap, 'T', 1._wp, sxyap, 'T', 1._wp & |
|---|
| 283 | & , z0vp , 'T', 1._wp, sxvp , 'T', -1._wp, syvp , 'T', -1._wp & ! melt pond volume |
|---|
| 284 | & , sxxvp, 'T', 1._wp, syyvp, 'T', 1._wp, sxyvp, 'T', 1._wp ) |
|---|
| 285 | IF ( ln_pnd_lids ) THEN |
|---|
| 286 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0vl ,'T', 1._wp, sxvl ,'T', -1._wp, syvl ,'T', -1._wp & ! melt pond lid volume |
|---|
| 287 | & , sxxvl,'T', 1._wp, syyvl,'T', 1._wp, sxyvl,'T', 1._wp ) |
|---|
| 288 | ENDIF |
|---|
| 289 | ENDIF |
|---|
| 290 | |
|---|
| 291 | ! --- Recover the properties from their contents --- ! |
|---|
| 292 | DO jl = 1, jpl |
|---|
| 293 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 294 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 295 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 296 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 297 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 298 | DO jk = 1, nlay_s |
|---|
| 299 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 300 | END DO |
|---|
| 301 | DO jk = 1, nlay_i |
|---|
| 302 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 303 | END DO |
|---|
| 304 | IF ( ln_pnd_LEV ) THEN |
|---|
| 305 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 306 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 307 | IF ( ln_pnd_lids ) THEN |
|---|
| 308 | pv_il(:,:,jl) = z0vl(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
|---|
| 309 | ENDIF |
|---|
| 310 | ENDIF |
|---|
| 311 | END DO |
|---|
| 312 | ! |
|---|
| 313 | ! derive open water from ice concentration |
|---|
| 314 | zati2(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
|---|
| 315 | DO jj = 2, jpjm1 |
|---|
| 316 | DO ji = fs_2, fs_jpim1 |
|---|
| 317 | pato_i(ji,jj) = pato_i(ji,jj) - ( zati2(ji,jj) - zati1(ji,jj) ) & !--- open water |
|---|
| 318 | & - ( zudy(ji,jj) - zudy(ji-1,jj) + zvdx(ji,jj) - zvdx(ji,jj-1) ) * r1_e1e2t(ji,jj) * zdt |
|---|
| 319 | END DO |
|---|
| 320 | END DO |
|---|
| 321 | CALL lbc_lnk( 'icedyn_adv_pra', pato_i, 'T', 1. ) |
|---|
| 322 | ! |
|---|
| 323 | ! --- diagnostics --- ! |
|---|
| 324 | diag_adv_mass(:,:) = diag_adv_mass(:,:) + ( SUM( pv_i(:,:,:) , dim=3 ) * rhoi + SUM( pv_s(:,:,:) , dim=3 ) * rhos & |
|---|
| 325 | & - zdiag_adv_mass(:,:) ) * z1_dt |
|---|
| 326 | diag_adv_salt(:,:) = diag_adv_salt(:,:) + ( SUM( psv_i(:,:,:) , dim=3 ) * rhoi & |
|---|
| 327 | & - zdiag_adv_salt(:,:) ) * z1_dt |
|---|
| 328 | diag_adv_heat(:,:) = diag_adv_heat(:,:) + ( - SUM(SUM( pe_i(:,:,1:nlay_i,:) , dim=4 ), dim=3 ) & |
|---|
| 329 | & - SUM(SUM( pe_s(:,:,1:nlay_s,:) , dim=4 ), dim=3 ) & |
|---|
| 330 | & - zdiag_adv_heat(:,:) ) * z1_dt |
|---|
| 331 | ! |
|---|
| 332 | ! --- Ensure non-negative fields --- ! |
|---|
| 333 | ! Remove negative values (conservation is ensured) |
|---|
| 334 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
|---|
| 335 | 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 ) |
|---|
| 336 | ! |
|---|
| 337 | ! --- Make sure ice thickness is not too big --- ! |
|---|
| 338 | ! (because ice thickness can be too large where ice concentration is very small) |
|---|
| 339 | CALL Hbig( zdt, zhi_max, zhs_max, zhip_max, zsi_max, zes_max, zei_max, & |
|---|
| 340 | & pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i, pe_s, pe_i ) |
|---|
| 341 | ! |
|---|
| 342 | ! --- Ensure snow load is not too big --- ! |
|---|
| 343 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
|---|
| 344 | ! |
|---|
| 345 | END DO |
|---|
| 346 | ! |
|---|
| 347 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
|---|
| 348 | ! |
|---|
| 349 | END SUBROUTINE ice_dyn_adv_pra |
|---|
| 350 | |
|---|
| 351 | |
|---|
| 352 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
|---|
| 353 | & psx, psxx, psy , psyy, psxy ) |
|---|
| 354 | !!---------------------------------------------------------------------- |
|---|
| 355 | !! ** routine adv_x ** |
|---|
| 356 | !! |
|---|
| 357 | !! ** purpose : Computes and adds the advection trend to sea-ice |
|---|
| 358 | !! variable on x axis |
|---|
| 359 | !!---------------------------------------------------------------------- |
|---|
| 360 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
|---|
| 361 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
|---|
| 362 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
|---|
| 363 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
|---|
| 364 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
|---|
| 365 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
|---|
| 366 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
|---|
| 367 | !! |
|---|
| 368 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
|---|
| 369 | INTEGER :: jjmin, jjmax ! dummy loop indices |
|---|
| 370 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
|---|
| 371 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
|---|
| 372 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
|---|
| 373 | REAL(wp) :: zpsm, zps0 |
|---|
| 374 | REAL(wp) :: zpsx, zpsy, zpsxx, zpsyy, zpsxy |
|---|
| 375 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
|---|
| 376 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
|---|
| 377 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
|---|
| 378 | !----------------------------------------------------------------------- |
|---|
| 379 | ! in order to avoid lbc_lnk (communications): |
|---|
| 380 | ! jj loop must be 1:jpj if adv_x is called first |
|---|
| 381 | ! and 2:jpj-1 if adv_x is called second |
|---|
| 382 | jjmin = 2 - NINT(pcrh) ! 1 or 2 |
|---|
| 383 | jjmax = jpjm1 + NINT(pcrh) ! jpj or jpj-1 |
|---|
| 384 | ! |
|---|
| 385 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
|---|
| 386 | ! |
|---|
| 387 | DO jl = 1, jcat ! loop on categories |
|---|
| 388 | ! |
|---|
| 389 | ! Limitation of moments. |
|---|
| 390 | DO jj = jjmin, jjmax |
|---|
| 391 | |
|---|
| 392 | DO ji = 1, jpi |
|---|
| 393 | |
|---|
| 394 | zpsm = psm (ji,jj,jl) ! optimization |
|---|
| 395 | zps0 = ps0 (ji,jj,jl) |
|---|
| 396 | zpsx = psx (ji,jj,jl) |
|---|
| 397 | zpsxx = psxx(ji,jj,jl) |
|---|
| 398 | zpsy = psy (ji,jj,jl) |
|---|
| 399 | zpsyy = psyy(ji,jj,jl) |
|---|
| 400 | zpsxy = psxy(ji,jj,jl) |
|---|
| 401 | |
|---|
| 402 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
|---|
| 403 | zpsm = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * zpsm , epsi20 ) |
|---|
| 404 | ! |
|---|
| 405 | zslpmax = MAX( 0._wp, zps0 ) |
|---|
| 406 | zs1max = 1.5 * zslpmax |
|---|
| 407 | zs1new = MIN( zs1max, MAX( -zs1max, zpsx ) ) |
|---|
| 408 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), MAX( ABS( zs1new ) - zslpmax, zpsxx ) ) |
|---|
| 409 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
|---|
| 410 | |
|---|
| 411 | zps0 = zslpmax |
|---|
| 412 | zpsx = zs1new * rswitch |
|---|
| 413 | zpsxx = zs2new * rswitch |
|---|
| 414 | zpsy = zpsy * rswitch |
|---|
| 415 | zpsyy = zpsyy * rswitch |
|---|
| 416 | zpsxy = MIN( zslpmax, MAX( -zslpmax, zpsxy ) ) * rswitch |
|---|
| 417 | |
|---|
| 418 | ! Calculate fluxes and moments between boxes i<-->i+1 |
|---|
| 419 | ! ! Flux from i to i+1 WHEN u GT 0 |
|---|
| 420 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
|---|
| 421 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt / zpsm |
|---|
| 422 | zalfq = zalf * zalf |
|---|
| 423 | zalf1 = 1.0 - zalf |
|---|
| 424 | zalf1q = zalf1 * zalf1 |
|---|
| 425 | ! |
|---|
| 426 | zfm (ji,jj) = zalf * zpsm |
|---|
| 427 | zf0 (ji,jj) = zalf * ( zps0 + zalf1 * ( zpsx + (zalf1 - zalf) * zpsxx ) ) |
|---|
| 428 | zfx (ji,jj) = zalfq * ( zpsx + 3.0 * zalf1 * zpsxx ) |
|---|
| 429 | zfxx(ji,jj) = zalf * zpsxx * zalfq |
|---|
| 430 | zfy (ji,jj) = zalf * ( zpsy + zalf1 * zpsxy ) |
|---|
| 431 | zfxy(ji,jj) = zalfq * zpsxy |
|---|
| 432 | zfyy(ji,jj) = zalf * zpsyy |
|---|
| 433 | |
|---|
| 434 | ! ! Readjust moments remaining in the box. |
|---|
| 435 | zpsm = zpsm - zfm(ji,jj) |
|---|
| 436 | zps0 = zps0 - zf0(ji,jj) |
|---|
| 437 | zpsx = zalf1q * ( zpsx - 3.0 * zalf * zpsxx ) |
|---|
| 438 | zpsxx = zalf1 * zalf1q * zpsxx |
|---|
| 439 | zpsy = zpsy - zfy (ji,jj) |
|---|
| 440 | zpsyy = zpsyy - zfyy(ji,jj) |
|---|
| 441 | zpsxy = zalf1q * zpsxy |
|---|
| 442 | ! |
|---|
| 443 | psm (ji,jj,jl) = zpsm ! optimization |
|---|
| 444 | ps0 (ji,jj,jl) = zps0 |
|---|
| 445 | psx (ji,jj,jl) = zpsx |
|---|
| 446 | psxx(ji,jj,jl) = zpsxx |
|---|
| 447 | psy (ji,jj,jl) = zpsy |
|---|
| 448 | psyy(ji,jj,jl) = zpsyy |
|---|
| 449 | psxy(ji,jj,jl) = zpsxy |
|---|
| 450 | ! |
|---|
| 451 | END DO |
|---|
| 452 | |
|---|
| 453 | DO ji = 1, fs_jpim1 |
|---|
| 454 | ! ! Flux from i+1 to i when u LT 0. |
|---|
| 455 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt / psm(ji+1,jj,jl) |
|---|
| 456 | zalg (ji,jj) = zalf |
|---|
| 457 | zalfq = zalf * zalf |
|---|
| 458 | zalf1 = 1.0 - zalf |
|---|
| 459 | zalg1 (ji,jj) = zalf1 |
|---|
| 460 | zalf1q = zalf1 * zalf1 |
|---|
| 461 | zalg1q(ji,jj) = zalf1q |
|---|
| 462 | ! |
|---|
| 463 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
|---|
| 464 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
|---|
| 465 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
|---|
| 466 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
|---|
| 467 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
|---|
| 468 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
|---|
| 469 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
|---|
| 470 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
|---|
| 471 | END DO |
|---|
| 472 | |
|---|
| 473 | DO ji = fs_2, fs_jpim1 |
|---|
| 474 | ! |
|---|
| 475 | zpsm = psm (ji,jj,jl) ! optimization |
|---|
| 476 | zps0 = ps0 (ji,jj,jl) |
|---|
| 477 | zpsx = psx (ji,jj,jl) |
|---|
| 478 | zpsxx = psxx(ji,jj,jl) |
|---|
| 479 | zpsy = psy (ji,jj,jl) |
|---|
| 480 | zpsyy = psyy(ji,jj,jl) |
|---|
| 481 | zpsxy = psxy(ji,jj,jl) |
|---|
| 482 | ! ! Readjust moments remaining in the box. |
|---|
| 483 | zbt = zbet(ji-1,jj) |
|---|
| 484 | zbt1 = 1.0 - zbet(ji-1,jj) |
|---|
| 485 | ! |
|---|
| 486 | zpsm = zbt * zpsm + zbt1 * ( zpsm - zfm(ji-1,jj) ) |
|---|
| 487 | zps0 = zbt * zps0 + zbt1 * ( zps0 - zf0(ji-1,jj) ) |
|---|
| 488 | zpsx = zalg1q(ji-1,jj) * ( zpsx + 3.0 * zalg(ji-1,jj) * zpsxx ) |
|---|
| 489 | zpsxx = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * zpsxx |
|---|
| 490 | zpsy = zbt * zpsy + zbt1 * ( zpsy - zfy (ji-1,jj) ) |
|---|
| 491 | zpsyy = zbt * zpsyy + zbt1 * ( zpsyy - zfyy(ji-1,jj) ) |
|---|
| 492 | zpsxy = zalg1q(ji-1,jj) * zpsxy |
|---|
| 493 | |
|---|
| 494 | ! Put the temporary moments into appropriate neighboring boxes. |
|---|
| 495 | ! ! Flux from i to i+1 IF u GT 0. |
|---|
| 496 | zbt = zbet(ji-1,jj) |
|---|
| 497 | zbt1 = 1.0 - zbet(ji-1,jj) |
|---|
| 498 | zpsm = zbt * ( zpsm + zfm(ji-1,jj) ) + zbt1 * zpsm |
|---|
| 499 | zalf = zbt * zfm(ji-1,jj) / zpsm |
|---|
| 500 | zalf1 = 1.0 - zalf |
|---|
| 501 | ztemp = zalf * zps0 - zalf1 * zf0(ji-1,jj) |
|---|
| 502 | ! |
|---|
| 503 | zps0 = zbt * ( zps0 + zf0(ji-1,jj) ) + zbt1 * zps0 |
|---|
| 504 | zpsx = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * zpsx + 3.0 * ztemp ) + zbt1 * zpsx |
|---|
| 505 | zpsxx = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * zpsxx & |
|---|
| 506 | & + 5.0 * ( zalf * zalf1 * ( zpsx - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
|---|
| 507 | & + zbt1 * zpsxx |
|---|
| 508 | zpsxy = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * zpsxy & |
|---|
| 509 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * zpsy ) ) & |
|---|
| 510 | & + zbt1 * zpsxy |
|---|
| 511 | zpsy = zbt * ( zpsy + zfy (ji-1,jj) ) + zbt1 * zpsy |
|---|
| 512 | zpsyy = zbt * ( zpsyy + zfyy(ji-1,jj) ) + zbt1 * zpsyy |
|---|
| 513 | |
|---|
| 514 | ! ! Flux from i+1 to i IF u LT 0. |
|---|
| 515 | zbt = zbet(ji,jj) |
|---|
| 516 | zbt1 = 1.0 - zbet(ji,jj) |
|---|
| 517 | zpsm = zbt * zpsm + zbt1 * ( zpsm + zfm(ji,jj) ) |
|---|
| 518 | zalf = zbt1 * zfm(ji,jj) / zpsm |
|---|
| 519 | zalf1 = 1.0 - zalf |
|---|
| 520 | ztemp = - zalf * zps0 + zalf1 * zf0(ji,jj) |
|---|
| 521 | ! |
|---|
| 522 | zps0 = zbt * zps0 + zbt1 * ( zps0 + zf0(ji,jj) ) |
|---|
| 523 | zpsx = zbt * zpsx + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * zpsx + 3.0 * ztemp ) |
|---|
| 524 | zpsxx = zbt * zpsxx + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * zpsxx & |
|---|
| 525 | & + 5.0 * ( zalf * zalf1 * ( - zpsx + zfx(ji,jj) ) & |
|---|
| 526 | & + ( zalf1 - zalf ) * ztemp ) ) |
|---|
| 527 | zpsxy = zbt * zpsxy + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * zpsxy & |
|---|
| 528 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * zpsy ) ) |
|---|
| 529 | zpsy = zbt * zpsy + zbt1 * ( zpsy + zfy (ji,jj) ) |
|---|
| 530 | zpsyy = zbt * zpsyy + zbt1 * ( zpsyy + zfyy(ji,jj) ) |
|---|
| 531 | ! |
|---|
| 532 | psm (ji,jj,jl) = zpsm ! optimization |
|---|
| 533 | ps0 (ji,jj,jl) = zps0 |
|---|
| 534 | psx (ji,jj,jl) = zpsx |
|---|
| 535 | psxx(ji,jj,jl) = zpsxx |
|---|
| 536 | psy (ji,jj,jl) = zpsy |
|---|
| 537 | psyy(ji,jj,jl) = zpsyy |
|---|
| 538 | psxy(ji,jj,jl) = zpsxy |
|---|
| 539 | END DO |
|---|
| 540 | |
|---|
| 541 | END DO |
|---|
| 542 | |
|---|
| 543 | END DO |
|---|
| 544 | ! |
|---|
| 545 | END SUBROUTINE adv_x |
|---|
| 546 | |
|---|
| 547 | |
|---|
| 548 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
|---|
| 549 | & psx, psxx, psy , psyy, psxy ) |
|---|
| 550 | !!--------------------------------------------------------------------- |
|---|
| 551 | !! ** routine adv_y ** |
|---|
| 552 | !! |
|---|
| 553 | !! ** purpose : Computes and adds the advection trend to sea-ice |
|---|
| 554 | !! variable on y axis |
|---|
| 555 | !!--------------------------------------------------------------------- |
|---|
| 556 | REAL(wp) , INTENT(in ) :: pdt ! time step |
|---|
| 557 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
|---|
| 558 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
|---|
| 559 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
|---|
| 560 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
|---|
| 561 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
|---|
| 562 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
|---|
| 563 | !! |
|---|
| 564 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
|---|
| 565 | INTEGER :: jimin, jimax ! dummy loop indices |
|---|
| 566 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
|---|
| 567 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
|---|
| 568 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
|---|
| 569 | REAL(wp) :: zpsm, zps0 |
|---|
| 570 | REAL(wp) :: zpsx, zpsy, zpsxx, zpsyy, zpsxy |
|---|
| 571 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
|---|
| 572 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
|---|
| 573 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
|---|
| 574 | !--------------------------------------------------------------------- |
|---|
| 575 | ! in order to avoid lbc_lnk (communications): |
|---|
| 576 | ! ji loop must be 1:jpi if adv_y is called first |
|---|
| 577 | ! and 2:jpi-1 if adv_y is called second |
|---|
| 578 | jimin = 2 - NINT(pcrh) ! 1 or 2 |
|---|
| 579 | jimax = jpim1 + NINT(pcrh) ! jpi or jpi-1 |
|---|
| 580 | ! |
|---|
| 581 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
|---|
| 582 | ! |
|---|
| 583 | DO jl = 1, jcat ! loop on categories |
|---|
| 584 | ! |
|---|
| 585 | ! Limitation of moments. |
|---|
| 586 | DO jj = 1, jpj |
|---|
| 587 | DO ji = jimin, jimax |
|---|
| 588 | ! |
|---|
| 589 | zpsm = psm (ji,jj,jl) ! optimization |
|---|
| 590 | zps0 = ps0 (ji,jj,jl) |
|---|
| 591 | zpsx = psx (ji,jj,jl) |
|---|
| 592 | zpsxx = psxx(ji,jj,jl) |
|---|
| 593 | zpsy = psy (ji,jj,jl) |
|---|
| 594 | zpsyy = psyy(ji,jj,jl) |
|---|
| 595 | zpsxy = psxy(ji,jj,jl) |
|---|
| 596 | ! |
|---|
| 597 | ! Initialize volumes of boxes (=area if adv_y first called, =psm otherwise) |
|---|
| 598 | zpsm = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * zpsm , epsi20 ) |
|---|
| 599 | ! |
|---|
| 600 | zslpmax = MAX( 0._wp, zps0 ) |
|---|
| 601 | zs1max = 1.5 * zslpmax |
|---|
| 602 | zs1new = MIN( zs1max, MAX( -zs1max, zpsy ) ) |
|---|
| 603 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), MAX( ABS( zs1new )-zslpmax, zpsyy ) ) |
|---|
| 604 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
|---|
| 605 | ! |
|---|
| 606 | zps0 = zslpmax |
|---|
| 607 | zpsx = zpsx * rswitch |
|---|
| 608 | zpsxx = zpsxx * rswitch |
|---|
| 609 | zpsy = zs1new * rswitch |
|---|
| 610 | zpsyy = zs2new * rswitch |
|---|
| 611 | zpsxy = MIN( zslpmax, MAX( -zslpmax, zpsxy ) ) * rswitch |
|---|
| 612 | |
|---|
| 613 | ! Calculate fluxes and moments between boxes j<-->j+1 |
|---|
| 614 | ! ! Flux from j to j+1 WHEN v GT 0 |
|---|
| 615 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
|---|
| 616 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt / zpsm |
|---|
| 617 | zalfq = zalf * zalf |
|---|
| 618 | zalf1 = 1.0 - zalf |
|---|
| 619 | zalf1q = zalf1 * zalf1 |
|---|
| 620 | ! |
|---|
| 621 | zfm (ji,jj) = zalf * zpsm |
|---|
| 622 | zf0 (ji,jj) = zalf * ( zps0 + zalf1 * ( zpsy + (zalf1-zalf) * zpsyy ) ) |
|---|
| 623 | zfy (ji,jj) = zalfq *( zpsy + 3.0*zalf1*zpsyy ) |
|---|
| 624 | zfyy(ji,jj) = zalf * zalfq * zpsyy |
|---|
| 625 | zfx (ji,jj) = zalf * ( zpsx + zalf1 * zpsxy ) |
|---|
| 626 | zfxy(ji,jj) = zalfq * zpsxy |
|---|
| 627 | zfxx(ji,jj) = zalf * zpsxx |
|---|
| 628 | ! |
|---|
| 629 | ! ! Readjust moments remaining in the box. |
|---|
| 630 | zpsm = zpsm - zfm(ji,jj) |
|---|
| 631 | zps0 = zps0 - zf0(ji,jj) |
|---|
| 632 | zpsy = zalf1q * ( zpsy -3.0 * zalf * zpsyy ) |
|---|
| 633 | zpsyy = zalf1 * zalf1q * zpsyy |
|---|
| 634 | zpsx = zpsx - zfx(ji,jj) |
|---|
| 635 | zpsxx = zpsxx - zfxx(ji,jj) |
|---|
| 636 | zpsxy = zalf1q * zpsxy |
|---|
| 637 | ! |
|---|
| 638 | psm (ji,jj,jl) = zpsm ! optimization |
|---|
| 639 | ps0 (ji,jj,jl) = zps0 |
|---|
| 640 | psx (ji,jj,jl) = zpsx |
|---|
| 641 | psxx(ji,jj,jl) = zpsxx |
|---|
| 642 | psy (ji,jj,jl) = zpsy |
|---|
| 643 | psyy(ji,jj,jl) = zpsyy |
|---|
| 644 | psxy(ji,jj,jl) = zpsxy |
|---|
| 645 | END DO |
|---|
| 646 | END DO |
|---|
| 647 | ! |
|---|
| 648 | DO jj = 1, jpjm1 |
|---|
| 649 | DO ji = jimin, jimax |
|---|
| 650 | ! ! Flux from j+1 to j when v LT 0. |
|---|
| 651 | zalf = MAX( 0._wp, -pvt(ji,jj) ) * pdt / psm(ji,jj+1,jl) |
|---|
| 652 | zalg (ji,jj) = zalf |
|---|
| 653 | zalfq = zalf * zalf |
|---|
| 654 | zalf1 = 1.0 - zalf |
|---|
| 655 | zalg1 (ji,jj) = zalf1 |
|---|
| 656 | zalf1q = zalf1 * zalf1 |
|---|
| 657 | zalg1q(ji,jj) = zalf1q |
|---|
| 658 | ! |
|---|
| 659 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
|---|
| 660 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
|---|
| 661 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
|---|
| 662 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
|---|
| 663 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
|---|
| 664 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
|---|
| 665 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
|---|
| 666 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
|---|
| 667 | END DO |
|---|
| 668 | END DO |
|---|
| 669 | |
|---|
| 670 | DO jj = 2, jpjm1 |
|---|
| 671 | DO ji = jimin, jimax |
|---|
| 672 | ! ! Readjust moments remaining in the box. |
|---|
| 673 | zbt = zbet(ji,jj-1) |
|---|
| 674 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
|---|
| 675 | ! |
|---|
| 676 | zpsm = psm (ji,jj,jl) ! optimization |
|---|
| 677 | zps0 = ps0 (ji,jj,jl) |
|---|
| 678 | zpsx = psx (ji,jj,jl) |
|---|
| 679 | zpsxx = psxx(ji,jj,jl) |
|---|
| 680 | zpsy = psy (ji,jj,jl) |
|---|
| 681 | zpsyy = psyy(ji,jj,jl) |
|---|
| 682 | zpsxy = psxy(ji,jj,jl) |
|---|
| 683 | ! |
|---|
| 684 | zpsm = zbt * zpsm + zbt1 * ( zpsm - zfm(ji,jj-1) ) |
|---|
| 685 | zps0 = zbt * zps0 + zbt1 * ( zps0 - zf0(ji,jj-1) ) |
|---|
| 686 | zpsy = zalg1q(ji,jj-1) * ( zpsy + 3.0 * zalg(ji,jj-1) * zpsyy ) |
|---|
| 687 | zpsyy = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * zpsyy |
|---|
| 688 | zpsx = zbt * zpsx + zbt1 * ( zpsx - zfx (ji,jj-1) ) |
|---|
| 689 | zpsxx = zbt * zpsxx + zbt1 * ( zpsxx - zfxx(ji,jj-1) ) |
|---|
| 690 | zpsxy = zalg1q(ji,jj-1) * zpsxy |
|---|
| 691 | |
|---|
| 692 | ! Put the temporary moments into appropriate neighboring boxes. |
|---|
| 693 | ! ! Flux from j to j+1 IF v GT 0. |
|---|
| 694 | zbt = zbet(ji,jj-1) |
|---|
| 695 | zbt1 = 1.0 - zbet(ji,jj-1) |
|---|
| 696 | zpsm = zbt * ( zpsm + zfm(ji,jj-1) ) + zbt1 * zpsm |
|---|
| 697 | zalf = zbt * zfm(ji,jj-1) / zpsm |
|---|
| 698 | zalf1 = 1.0 - zalf |
|---|
| 699 | ztemp = zalf * zps0 - zalf1 * zf0(ji,jj-1) |
|---|
| 700 | ! |
|---|
| 701 | zps0 = zbt * ( zps0 + zf0(ji,jj-1) ) + zbt1 * zps0 |
|---|
| 702 | zpsy = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * zpsy + 3.0 * ztemp ) & |
|---|
| 703 | & + zbt1 * zpsy |
|---|
| 704 | zpsyy = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * zpsyy & |
|---|
| 705 | & + 5.0 * ( zalf * zalf1 * ( zpsy - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
|---|
| 706 | & + zbt1 * zpsyy |
|---|
| 707 | zpsxy = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * zpsxy & |
|---|
| 708 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * zpsx ) ) & |
|---|
| 709 | & + zbt1 * zpsxy |
|---|
| 710 | zpsx = zbt * ( zpsx + zfx (ji,jj-1) ) + zbt1 * zpsx |
|---|
| 711 | zpsxx = zbt * ( zpsxx + zfxx(ji,jj-1) ) + zbt1 * zpsxx |
|---|
| 712 | |
|---|
| 713 | ! ! Flux from j+1 to j IF v LT 0. |
|---|
| 714 | zbt = zbet(ji,jj) |
|---|
| 715 | zbt1 = 1.0 - zbet(ji,jj) |
|---|
| 716 | zpsm = zbt * zpsm + zbt1 * ( zpsm + zfm(ji,jj) ) |
|---|
| 717 | zalf = zbt1 * zfm(ji,jj) / zpsm |
|---|
| 718 | zalf1 = 1.0 - zalf |
|---|
| 719 | ztemp = - zalf * zps0 + zalf1 * zf0(ji,jj) |
|---|
| 720 | ! |
|---|
| 721 | zps0 = zbt * zps0 + zbt1 * ( zps0 + zf0(ji,jj) ) |
|---|
| 722 | zpsy = zbt * zpsy + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * zpsy + 3.0 * ztemp ) |
|---|
| 723 | zpsyy = zbt * zpsyy + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * zpsyy & |
|---|
| 724 | & + 5.0 * ( zalf * zalf1 * ( - zpsy + zfy(ji,jj) ) & |
|---|
| 725 | & + ( zalf1 - zalf ) * ztemp ) ) |
|---|
| 726 | zpsxy = zbt * zpsxy + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * zpsxy & |
|---|
| 727 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * zpsx ) ) |
|---|
| 728 | zpsx = zbt * zpsx + zbt1 * ( zpsx + zfx (ji,jj) ) |
|---|
| 729 | zpsxx = zbt * zpsxx + zbt1 * ( zpsxx + zfxx(ji,jj) ) |
|---|
| 730 | ! |
|---|
| 731 | psm (ji,jj,jl) = zpsm ! optimization |
|---|
| 732 | ps0 (ji,jj,jl) = zps0 |
|---|
| 733 | psx (ji,jj,jl) = zpsx |
|---|
| 734 | psxx(ji,jj,jl) = zpsxx |
|---|
| 735 | psy (ji,jj,jl) = zpsy |
|---|
| 736 | psyy(ji,jj,jl) = zpsyy |
|---|
| 737 | psxy(ji,jj,jl) = zpsxy |
|---|
| 738 | END DO |
|---|
| 739 | END DO |
|---|
| 740 | |
|---|
| 741 | END DO |
|---|
| 742 | ! |
|---|
| 743 | END SUBROUTINE adv_y |
|---|
| 744 | |
|---|
| 745 | |
|---|
| 746 | SUBROUTINE Hbig( pdt, phi_max, phs_max, phip_max, psi_max, pes_max, pei_max, & |
|---|
| 747 | & pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i, pe_s, pe_i ) |
|---|
| 748 | !!------------------------------------------------------------------- |
|---|
| 749 | !! *** ROUTINE Hbig *** |
|---|
| 750 | !! |
|---|
| 751 | !! ** Purpose : Thickness correction in case advection scheme creates |
|---|
| 752 | !! abnormally tick ice or snow |
|---|
| 753 | !! |
|---|
| 754 | !! ** Method : 1- check whether ice thickness is larger than the surrounding 9-points |
|---|
| 755 | !! (before advection) and reduce it by adapting ice concentration |
|---|
| 756 | !! 2- check whether snow thickness is larger than the surrounding 9-points |
|---|
| 757 | !! (before advection) and reduce it by sending the excess in the ocean |
|---|
| 758 | !! |
|---|
| 759 | !! ** input : Max thickness of the surrounding 9-points |
|---|
| 760 | !!------------------------------------------------------------------- |
|---|
| 761 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
|---|
| 762 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: phi_max, phs_max, phip_max, psi_max ! max ice thick from surrounding 9-pts |
|---|
| 763 | REAL(wp), DIMENSION(:,:,:,:), INTENT(in ) :: pes_max |
|---|
| 764 | REAL(wp), DIMENSION(:,:,:,:), INTENT(in ) :: pei_max |
|---|
| 765 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i |
|---|
| 766 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
|---|
| 767 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i |
|---|
| 768 | ! |
|---|
| 769 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
|---|
| 770 | REAL(wp) :: z1_dt, zhip, zhi, zhs, zsi, zes, zei, zfra |
|---|
| 771 | !!------------------------------------------------------------------- |
|---|
| 772 | ! |
|---|
| 773 | z1_dt = 1._wp / pdt |
|---|
| 774 | ! |
|---|
| 775 | DO jl = 1, jpl |
|---|
| 776 | DO jj = 1, jpj |
|---|
| 777 | DO ji = 1, jpi |
|---|
| 778 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
|---|
| 779 | ! |
|---|
| 780 | ! ! -- check h_ip -- ! |
|---|
| 781 | ! if h_ip is larger than the surrounding 9 pts => reduce h_ip and increase a_ip |
|---|
| 782 | IF( ln_pnd_LEV .AND. pv_ip(ji,jj,jl) > 0._wp ) THEN |
|---|
| 783 | zhip = pv_ip(ji,jj,jl) / MAX( epsi20, pa_ip(ji,jj,jl) ) |
|---|
| 784 | IF( zhip > phip_max(ji,jj,jl) .AND. pa_ip(ji,jj,jl) < 0.15 ) THEN |
|---|
| 785 | pa_ip(ji,jj,jl) = pv_ip(ji,jj,jl) / phip_max(ji,jj,jl) |
|---|
| 786 | ENDIF |
|---|
| 787 | ENDIF |
|---|
| 788 | ! |
|---|
| 789 | ! ! -- check h_i -- ! |
|---|
| 790 | ! if h_i is larger than the surrounding 9 pts => reduce h_i and increase a_i |
|---|
| 791 | zhi = pv_i(ji,jj,jl) / pa_i(ji,jj,jl) |
|---|
| 792 | IF( zhi > phi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
|---|
| 793 | 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) |
|---|
| 794 | ENDIF |
|---|
| 795 | ! |
|---|
| 796 | ! ! -- check h_s -- ! |
|---|
| 797 | ! if h_s is larger than the surrounding 9 pts => put the snow excess in the ocean |
|---|
| 798 | zhs = pv_s(ji,jj,jl) / pa_i(ji,jj,jl) |
|---|
| 799 | IF( pv_s(ji,jj,jl) > 0._wp .AND. zhs > phs_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
|---|
| 800 | zfra = phs_max(ji,jj,jl) / MAX( zhs, epsi20 ) |
|---|
| 801 | ! |
|---|
| 802 | 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 |
|---|
| 803 | 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 |
|---|
| 804 | ! |
|---|
| 805 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
|---|
| 806 | pv_s(ji,jj,jl) = pa_i(ji,jj,jl) * phs_max(ji,jj,jl) |
|---|
| 807 | ENDIF |
|---|
| 808 | ! |
|---|
| 809 | ! ! -- check s_i -- ! |
|---|
| 810 | ! if s_i is larger than the surrounding 9 pts => put salt excess in the ocean |
|---|
| 811 | zsi = psv_i(ji,jj,jl) / pv_i(ji,jj,jl) |
|---|
| 812 | IF( zsi > psi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
|---|
| 813 | zfra = psi_max(ji,jj,jl) / zsi |
|---|
| 814 | sfx_res(ji,jj) = sfx_res(ji,jj) + psv_i(ji,jj,jl) * ( 1._wp - zfra ) * rhoi * z1_dt |
|---|
| 815 | psv_i(ji,jj,jl) = psv_i(ji,jj,jl) * zfra |
|---|
| 816 | ENDIF |
|---|
| 817 | ! |
|---|
| 818 | ENDIF |
|---|
| 819 | END DO |
|---|
| 820 | END DO |
|---|
| 821 | END DO |
|---|
| 822 | ! |
|---|
| 823 | ! ! -- check e_i/v_i -- ! |
|---|
| 824 | DO jl = 1, jpl |
|---|
| 825 | DO jk = 1, nlay_i |
|---|
| 826 | DO jj = 1, jpj |
|---|
| 827 | DO ji = 1, jpi |
|---|
| 828 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
|---|
| 829 | ! if e_i/v_i is larger than the surrounding 9 pts => put the heat excess in the ocean |
|---|
| 830 | zei = pe_i(ji,jj,jk,jl) / pv_i(ji,jj,jl) |
|---|
| 831 | IF( zei > pei_max(ji,jj,jk,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
|---|
| 832 | zfra = pei_max(ji,jj,jk,jl) / zei |
|---|
| 833 | hfx_res(ji,jj) = hfx_res(ji,jj) - pe_i(ji,jj,jk,jl) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
|---|
| 834 | pe_i(ji,jj,jk,jl) = pe_i(ji,jj,jk,jl) * zfra |
|---|
| 835 | ENDIF |
|---|
| 836 | ENDIF |
|---|
| 837 | END DO |
|---|
| 838 | END DO |
|---|
| 839 | END DO |
|---|
| 840 | END DO |
|---|
| 841 | ! ! -- check e_s/v_s -- ! |
|---|
| 842 | DO jl = 1, jpl |
|---|
| 843 | DO jk = 1, nlay_s |
|---|
| 844 | DO jj = 1, jpj |
|---|
| 845 | DO ji = 1, jpi |
|---|
| 846 | IF ( pv_s(ji,jj,jl) > 0._wp ) THEN |
|---|
| 847 | ! if e_s/v_s is larger than the surrounding 9 pts => put the heat excess in the ocean |
|---|
| 848 | zes = pe_s(ji,jj,jk,jl) / pv_s(ji,jj,jl) |
|---|
| 849 | IF( zes > pes_max(ji,jj,jk,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
|---|
| 850 | zfra = pes_max(ji,jj,jk,jl) / zes |
|---|
| 851 | hfx_res(ji,jj) = hfx_res(ji,jj) - pe_s(ji,jj,jk,jl) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
|---|
| 852 | pe_s(ji,jj,jk,jl) = pe_s(ji,jj,jk,jl) * zfra |
|---|
| 853 | ENDIF |
|---|
| 854 | ENDIF |
|---|
| 855 | END DO |
|---|
| 856 | END DO |
|---|
| 857 | END DO |
|---|
| 858 | END DO |
|---|
| 859 | ! |
|---|
| 860 | END SUBROUTINE Hbig |
|---|
| 861 | |
|---|
| 862 | |
|---|
| 863 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
|---|
| 864 | !!------------------------------------------------------------------- |
|---|
| 865 | !! *** ROUTINE Hsnow *** |
|---|
| 866 | !! |
|---|
| 867 | !! ** Purpose : 1- Check snow load after advection |
|---|
| 868 | !! 2- Correct pond concentration to avoid a_ip > a_i |
|---|
| 869 | !! |
|---|
| 870 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
|---|
| 871 | !! then put the snow excess in the ocean |
|---|
| 872 | !! |
|---|
| 873 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
|---|
| 874 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
|---|
| 875 | !! make the snow very thick (if concentration decreases drastically) |
|---|
| 876 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
|---|
| 877 | !!------------------------------------------------------------------- |
|---|
| 878 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
|---|
| 879 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
|---|
| 880 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
|---|
| 881 | ! |
|---|
| 882 | INTEGER :: ji, jj, jl ! dummy loop indices |
|---|
| 883 | REAL(wp) :: z1_dt, zvs_excess, zfra |
|---|
| 884 | !!------------------------------------------------------------------- |
|---|
| 885 | ! |
|---|
| 886 | z1_dt = 1._wp / pdt |
|---|
| 887 | ! |
|---|
| 888 | ! -- check snow load -- ! |
|---|
| 889 | DO jl = 1, jpl |
|---|
| 890 | DO jj = 1, jpj |
|---|
| 891 | DO ji = 1, jpi |
|---|
| 892 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
|---|
| 893 | ! |
|---|
| 894 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rau0-rhoi) * r1_rhos ) |
|---|
| 895 | ! |
|---|
| 896 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
|---|
| 897 | ! put snow excess in the ocean |
|---|
| 898 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
|---|
| 899 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
|---|
| 900 | 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 |
|---|
| 901 | ! correct snow volume and heat content |
|---|
| 902 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
|---|
| 903 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
|---|
| 904 | ENDIF |
|---|
| 905 | ! |
|---|
| 906 | ENDIF |
|---|
| 907 | END DO |
|---|
| 908 | END DO |
|---|
| 909 | END DO |
|---|
| 910 | ! |
|---|
| 911 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
|---|
| 912 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
|---|
| 913 | ! |
|---|
| 914 | END SUBROUTINE Hsnow |
|---|
| 915 | |
|---|
| 916 | |
|---|
| 917 | SUBROUTINE adv_pra_init |
|---|
| 918 | !!------------------------------------------------------------------- |
|---|
| 919 | !! *** ROUTINE adv_pra_init *** |
|---|
| 920 | !! |
|---|
| 921 | !! ** Purpose : allocate and initialize arrays for Prather advection |
|---|
| 922 | !!------------------------------------------------------------------- |
|---|
| 923 | INTEGER :: ierr |
|---|
| 924 | !!------------------------------------------------------------------- |
|---|
| 925 | ! |
|---|
| 926 | ! !* allocate prather fields |
|---|
| 927 | ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
|---|
| 928 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
|---|
| 929 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
|---|
| 930 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
|---|
| 931 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
|---|
| 932 | & sxap (jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
|---|
| 933 | & sxvp (jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
|---|
| 934 | & sxvl (jpi,jpj,jpl) , syvl (jpi,jpj,jpl) , sxxvl (jpi,jpj,jpl) , syyvl (jpi,jpj,jpl) , sxyvl (jpi,jpj,jpl) , & |
|---|
| 935 | ! |
|---|
| 936 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
|---|
| 937 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
|---|
| 938 | ! |
|---|
| 939 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
|---|
| 940 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
|---|
| 941 | & STAT = ierr ) |
|---|
| 942 | ! |
|---|
| 943 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
|---|
| 944 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
|---|
| 945 | ! |
|---|
| 946 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
|---|
| 947 | ! |
|---|
| 948 | END SUBROUTINE adv_pra_init |
|---|
| 949 | |
|---|
| 950 | |
|---|
| 951 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
|---|
| 952 | !!--------------------------------------------------------------------- |
|---|
| 953 | !! *** ROUTINE adv_pra_rst *** |
|---|
| 954 | !! |
|---|
| 955 | !! ** Purpose : Read or write file in restart file |
|---|
| 956 | !! |
|---|
| 957 | !! ** Method : use of IOM library |
|---|
| 958 | !!---------------------------------------------------------------------- |
|---|
| 959 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
|---|
| 960 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
|---|
| 961 | ! |
|---|
| 962 | INTEGER :: jk, jl ! dummy loop indices |
|---|
| 963 | INTEGER :: iter ! local integer |
|---|
| 964 | INTEGER :: id1 ! local integer |
|---|
| 965 | CHARACTER(len=25) :: znam |
|---|
| 966 | CHARACTER(len=2) :: zchar, zchar1 |
|---|
| 967 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
|---|
| 968 | !!---------------------------------------------------------------------- |
|---|
| 969 | ! |
|---|
| 970 | ! !==========================! |
|---|
| 971 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
|---|
| 972 | ! !==========================! |
|---|
| 973 | ! |
|---|
| 974 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxice' , ldstop = .FALSE. ) ! file exist: id1>0 |
|---|
| 975 | ELSE ; id1 = 0 ! no restart: id1=0 |
|---|
| 976 | ENDIF |
|---|
| 977 | ! |
|---|
| 978 | IF( id1 > 0 ) THEN !** Read the restart file **! |
|---|
| 979 | ! |
|---|
| 980 | ! ! ice thickness |
|---|
| 981 | CALL iom_get( numrir, jpdom_autoglo, 'sxice' , sxice ) |
|---|
| 982 | CALL iom_get( numrir, jpdom_autoglo, 'syice' , syice ) |
|---|
| 983 | CALL iom_get( numrir, jpdom_autoglo, 'sxxice', sxxice ) |
|---|
| 984 | CALL iom_get( numrir, jpdom_autoglo, 'syyice', syyice ) |
|---|
| 985 | CALL iom_get( numrir, jpdom_autoglo, 'sxyice', sxyice ) |
|---|
| 986 | ! ! snow thickness |
|---|
| 987 | CALL iom_get( numrir, jpdom_autoglo, 'sxsn' , sxsn ) |
|---|
| 988 | CALL iom_get( numrir, jpdom_autoglo, 'sysn' , sysn ) |
|---|
| 989 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsn' , sxxsn ) |
|---|
| 990 | CALL iom_get( numrir, jpdom_autoglo, 'syysn' , syysn ) |
|---|
| 991 | CALL iom_get( numrir, jpdom_autoglo, 'sxysn' , sxysn ) |
|---|
| 992 | ! ! ice concentration |
|---|
| 993 | CALL iom_get( numrir, jpdom_autoglo, 'sxa' , sxa ) |
|---|
| 994 | CALL iom_get( numrir, jpdom_autoglo, 'sya' , sya ) |
|---|
| 995 | CALL iom_get( numrir, jpdom_autoglo, 'sxxa' , sxxa ) |
|---|
| 996 | CALL iom_get( numrir, jpdom_autoglo, 'syya' , syya ) |
|---|
| 997 | CALL iom_get( numrir, jpdom_autoglo, 'sxya' , sxya ) |
|---|
| 998 | ! ! ice salinity |
|---|
| 999 | CALL iom_get( numrir, jpdom_autoglo, 'sxsal' , sxsal ) |
|---|
| 1000 | CALL iom_get( numrir, jpdom_autoglo, 'sysal' , sysal ) |
|---|
| 1001 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsal', sxxsal ) |
|---|
| 1002 | CALL iom_get( numrir, jpdom_autoglo, 'syysal', syysal ) |
|---|
| 1003 | CALL iom_get( numrir, jpdom_autoglo, 'sxysal', sxysal ) |
|---|
| 1004 | ! ! ice age |
|---|
| 1005 | CALL iom_get( numrir, jpdom_autoglo, 'sxage' , sxage ) |
|---|
| 1006 | CALL iom_get( numrir, jpdom_autoglo, 'syage' , syage ) |
|---|
| 1007 | CALL iom_get( numrir, jpdom_autoglo, 'sxxage', sxxage ) |
|---|
| 1008 | CALL iom_get( numrir, jpdom_autoglo, 'syyage', syyage ) |
|---|
| 1009 | CALL iom_get( numrir, jpdom_autoglo, 'sxyage', sxyage ) |
|---|
| 1010 | ! ! snow layers heat content |
|---|
| 1011 | DO jk = 1, nlay_s |
|---|
| 1012 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 1013 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
|---|
| 1014 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
|---|
| 1015 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1016 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1017 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1018 | END DO |
|---|
| 1019 | ! ! ice layers heat content |
|---|
| 1020 | DO jk = 1, nlay_i |
|---|
| 1021 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 1022 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
|---|
| 1023 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sye (:,:,jk,:) = z3d(:,:,:) |
|---|
| 1024 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1025 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1026 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
|---|
| 1027 | END DO |
|---|
| 1028 | ! |
|---|
| 1029 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
|---|
| 1030 | IF( iom_varid( numrir, 'sxap', ldstop = .FALSE. ) > 0 ) THEN |
|---|
| 1031 | CALL iom_get( numrir, jpdom_autoglo, 'sxap' , sxap ) |
|---|
| 1032 | CALL iom_get( numrir, jpdom_autoglo, 'syap' , syap ) |
|---|
| 1033 | CALL iom_get( numrir, jpdom_autoglo, 'sxxap', sxxap ) |
|---|
| 1034 | CALL iom_get( numrir, jpdom_autoglo, 'syyap', syyap ) |
|---|
| 1035 | CALL iom_get( numrir, jpdom_autoglo, 'sxyap', sxyap ) |
|---|
| 1036 | ! ! melt pond volume |
|---|
| 1037 | CALL iom_get( numrir, jpdom_autoglo, 'sxvp' , sxvp ) |
|---|
| 1038 | CALL iom_get( numrir, jpdom_autoglo, 'syvp' , syvp ) |
|---|
| 1039 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvp', sxxvp ) |
|---|
| 1040 | CALL iom_get( numrir, jpdom_autoglo, 'syyvp', syyvp ) |
|---|
| 1041 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvp', sxyvp ) |
|---|
| 1042 | ELSE |
|---|
| 1043 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
|---|
| 1044 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
|---|
| 1045 | ENDIF |
|---|
| 1046 | ! |
|---|
| 1047 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
|---|
| 1048 | IF( iom_varid( numrir, 'sxvl', ldstop = .FALSE. ) > 0 ) THEN |
|---|
| 1049 | CALL iom_get( numrir, jpdom_autoglo, 'sxvl' , sxvl ) |
|---|
| 1050 | CALL iom_get( numrir, jpdom_autoglo, 'syvl' , syvl ) |
|---|
| 1051 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvl', sxxvl ) |
|---|
| 1052 | CALL iom_get( numrir, jpdom_autoglo, 'syyvl', syyvl ) |
|---|
| 1053 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvl', sxyvl ) |
|---|
| 1054 | ELSE |
|---|
| 1055 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
|---|
| 1056 | ENDIF |
|---|
| 1057 | ENDIF |
|---|
| 1058 | ENDIF |
|---|
| 1059 | ! |
|---|
| 1060 | ELSE !** start rheology from rest **! |
|---|
| 1061 | ! |
|---|
| 1062 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
|---|
| 1063 | ! |
|---|
| 1064 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
|---|
| 1065 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
|---|
| 1066 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
|---|
| 1067 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
|---|
| 1068 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
|---|
| 1069 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
|---|
| 1070 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
|---|
| 1071 | IF( ln_pnd_LEV ) THEN |
|---|
| 1072 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
|---|
| 1073 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
|---|
| 1074 | IF ( ln_pnd_lids ) THEN |
|---|
| 1075 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
|---|
| 1076 | ENDIF |
|---|
| 1077 | ENDIF |
|---|
| 1078 | ENDIF |
|---|
| 1079 | ! |
|---|
| 1080 | ! !=====================================! |
|---|
| 1081 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
|---|
| 1082 | ! !=====================================! |
|---|
| 1083 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
|---|
| 1084 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
|---|
| 1085 | ! |
|---|
| 1086 | ! |
|---|
| 1087 | ! In case Prather scheme is used for advection, write second order moments |
|---|
| 1088 | ! ------------------------------------------------------------------------ |
|---|
| 1089 | ! |
|---|
| 1090 | ! ! ice thickness |
|---|
| 1091 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
|---|
| 1092 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
|---|
| 1093 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
|---|
| 1094 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
|---|
| 1095 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
|---|
| 1096 | ! ! snow thickness |
|---|
| 1097 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
|---|
| 1098 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
|---|
| 1099 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
|---|
| 1100 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
|---|
| 1101 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
|---|
| 1102 | ! ! ice concentration |
|---|
| 1103 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
|---|
| 1104 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
|---|
| 1105 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
|---|
| 1106 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
|---|
| 1107 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
|---|
| 1108 | ! ! ice salinity |
|---|
| 1109 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
|---|
| 1110 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
|---|
| 1111 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
|---|
| 1112 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
|---|
| 1113 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
|---|
| 1114 | ! ! ice age |
|---|
| 1115 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
|---|
| 1116 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
|---|
| 1117 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
|---|
| 1118 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
|---|
| 1119 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
|---|
| 1120 | ! ! snow layers heat content |
|---|
| 1121 | DO jk = 1, nlay_s |
|---|
| 1122 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 1123 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1124 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1125 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1126 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1127 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1128 | END DO |
|---|
| 1129 | ! ! ice layers heat content |
|---|
| 1130 | DO jk = 1, nlay_i |
|---|
| 1131 | WRITE(zchar1,'(I2.2)') jk |
|---|
| 1132 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1133 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1134 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1135 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1136 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
|---|
| 1137 | END DO |
|---|
| 1138 | ! |
|---|
| 1139 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
|---|
| 1140 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
|---|
| 1141 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
|---|
| 1142 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
|---|
| 1143 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
|---|
| 1144 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
|---|
| 1145 | ! ! melt pond volume |
|---|
| 1146 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
|---|
| 1147 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
|---|
| 1148 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
|---|
| 1149 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
|---|
| 1150 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
|---|
| 1151 | ! |
|---|
| 1152 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
|---|
| 1153 | CALL iom_rstput( iter, nitrst, numriw, 'sxvl' , sxvl ) |
|---|
| 1154 | CALL iom_rstput( iter, nitrst, numriw, 'syvl' , syvl ) |
|---|
| 1155 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvl', sxxvl ) |
|---|
| 1156 | CALL iom_rstput( iter, nitrst, numriw, 'syyvl', syyvl ) |
|---|
| 1157 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvl', sxyvl ) |
|---|
| 1158 | ENDIF |
|---|
| 1159 | ENDIF |
|---|
| 1160 | ! |
|---|
| 1161 | ENDIF |
|---|
| 1162 | ! |
|---|
| 1163 | END SUBROUTINE adv_pra_rst |
|---|
| 1164 | |
|---|
| 1165 | SUBROUTINE icemax3D( pice , pmax ) |
|---|
| 1166 | !!--------------------------------------------------------------------- |
|---|
| 1167 | !! *** ROUTINE icemax3D *** |
|---|
| 1168 | !! ** Purpose : compute the max of the 9 points around |
|---|
| 1169 | !!---------------------------------------------------------------------- |
|---|
| 1170 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: pice ! input |
|---|
| 1171 | REAL(wp), DIMENSION(:,:,:) , INTENT(out) :: pmax ! output |
|---|
| 1172 | REAL(wp), DIMENSION(2:jpim1,jpj) :: zmax ! temporary array |
|---|
| 1173 | INTEGER :: ji, jj, jl ! dummy loop indices |
|---|
| 1174 | !!---------------------------------------------------------------------- |
|---|
| 1175 | DO jl = 1, jpl |
|---|
| 1176 | DO jj = 1, jpj |
|---|
| 1177 | DO ji = 2, jpim1 |
|---|
| 1178 | zmax(ji,jj) = MAX( epsi20, pice(ji,jj,jl), pice(ji-1,jj,jl), pice(ji+1,jj,jl) ) |
|---|
| 1179 | END DO |
|---|
| 1180 | END DO |
|---|
| 1181 | DO jj = 2, jpjm1 |
|---|
| 1182 | DO ji = 2, jpim1 |
|---|
| 1183 | pmax(ji,jj,jl) = MAX( epsi20, zmax(ji,jj), zmax(ji,jj-1), zmax(ji,jj+1) ) |
|---|
| 1184 | END DO |
|---|
| 1185 | END DO |
|---|
| 1186 | END DO |
|---|
| 1187 | END SUBROUTINE icemax3D |
|---|
| 1188 | |
|---|
| 1189 | SUBROUTINE icemax4D( pice , pmax ) |
|---|
| 1190 | !!--------------------------------------------------------------------- |
|---|
| 1191 | !! *** ROUTINE icemax4D *** |
|---|
| 1192 | !! ** Purpose : compute the max of the 9 points around |
|---|
| 1193 | !!---------------------------------------------------------------------- |
|---|
| 1194 | REAL(wp), DIMENSION(:,:,:,:) , INTENT(in ) :: pice ! input |
|---|
| 1195 | REAL(wp), DIMENSION(:,:,:,:) , INTENT(out) :: pmax ! output |
|---|
| 1196 | REAL(wp), DIMENSION(2:jpim1,jpj) :: zmax ! temporary array |
|---|
| 1197 | INTEGER :: jlay, ji, jj, jk, jl ! dummy loop indices |
|---|
| 1198 | !!---------------------------------------------------------------------- |
|---|
| 1199 | jlay = SIZE( pice , 3 ) ! size of input arrays |
|---|
| 1200 | DO jl = 1, jpl |
|---|
| 1201 | DO jk = 1, jlay |
|---|
| 1202 | DO jj = 1, jpj |
|---|
| 1203 | DO ji = 2, jpim1 |
|---|
| 1204 | zmax(ji,jj) = MAX( epsi20, pice(ji,jj,jk,jl), pice(ji-1,jj,jk,jl), pice(ji+1,jj,jk,jl) ) |
|---|
| 1205 | END DO |
|---|
| 1206 | END DO |
|---|
| 1207 | DO jj = 2, jpjm1 |
|---|
| 1208 | DO ji = 2, jpim1 |
|---|
| 1209 | pmax(ji,jj,jk,jl) = MAX( epsi20, zmax(ji,jj), zmax(ji,jj-1), zmax(ji,jj+1) ) |
|---|
| 1210 | END DO |
|---|
| 1211 | END DO |
|---|
| 1212 | END DO |
|---|
| 1213 | END DO |
|---|
| 1214 | END SUBROUTINE icemax4D |
|---|
| 1215 | |
|---|
| 1216 | #else |
|---|
| 1217 | !!---------------------------------------------------------------------- |
|---|
| 1218 | !! Default option Dummy module NO SI3 sea-ice model |
|---|
| 1219 | !!---------------------------------------------------------------------- |
|---|
| 1220 | #endif |
|---|
| 1221 | |
|---|
| 1222 | !!====================================================================== |
|---|
| 1223 | END MODULE icedyn_adv_pra |
|---|
