[8586] | 1 | MODULE icedyn_adv_pra |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icedyn_adv_pra *** |
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| 4 | !! sea-ice : advection => Prather scheme |
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| 5 | !!====================================================================== |
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[9656] | 6 | !! History : ! 2008-03 (M. Vancoppenolle) original code |
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[9604] | 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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[8586] | 8 | !!-------------------------------------------------------------------- |
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[9570] | 9 | #if defined key_si3 |
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[8586] | 10 | !!---------------------------------------------------------------------- |
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[9570] | 11 | !! 'key_si3' SI3 sea-ice model |
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[8586] | 12 | !!---------------------------------------------------------------------- |
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[8817] | 13 | !! ice_dyn_adv_pra : advection of sea ice using Prather scheme |
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| 14 | !! adv_x, adv_y : Prather scheme applied in i- and j-direction, resp. |
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| 15 | !! adv_pra_init : initialisation of the Prather scheme |
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| 16 | !! adv_pra_rst : read/write Prather field in ice restart file, or initialized to zero |
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[8586] | 17 | !!---------------------------------------------------------------------- |
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[11812] | 18 | USE phycst ! physical constant |
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[8586] | 19 | USE dom_oce ! ocean domain |
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| 20 | USE ice ! sea-ice variables |
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| 21 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
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[11612] | 22 | USE icevar ! sea-ice: operations |
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[8586] | 23 | ! |
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| 24 | USE in_out_manager ! I/O manager |
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| 25 | USE iom ! I/O manager library |
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| 26 | USE lib_mpp ! MPP library |
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| 27 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 28 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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| 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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| 33 | PUBLIC ice_dyn_adv_pra ! called by icedyn_adv |
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| 34 | PUBLIC adv_pra_init ! called by icedyn_adv |
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| 35 | |
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| 36 | ! Moments for advection |
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| 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice ! ice thickness |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn ! snow thickness |
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[11627] | 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
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[8586] | 40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal ! ice salinity |
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| 41 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage ! ice age |
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[9271] | 42 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 ! snow layers heat content |
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[8817] | 43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye ! ice layers heat content |
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[8586] | 44 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxap , syap , sxxap , syyap , sxyap ! melt pond fraction |
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| 45 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvp , syvp , sxxvp , syyvp , sxyvp ! melt pond volume |
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[8817] | 46 | |
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[8586] | 47 | !! * Substitutions |
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[12377] | 48 | # include "do_loop_substitute.h90" |
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[8586] | 49 | !!---------------------------------------------------------------------- |
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[9598] | 50 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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[10069] | 51 | !! $Id$ |
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[10068] | 52 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[8586] | 53 | !!---------------------------------------------------------------------- |
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| 54 | CONTAINS |
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| 55 | |
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[12197] | 56 | SUBROUTINE ice_dyn_adv_pra( kt, pu_ice, pv_ice, ph_i, ph_s, ph_ip, & |
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[8586] | 57 | & pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pe_s, pe_i ) |
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| 58 | !!---------------------------------------------------------------------- |
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| 59 | !! ** routine ice_dyn_adv_pra ** |
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| 60 | !! |
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| 61 | !! ** purpose : Computes and adds the advection trend to sea-ice |
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| 62 | !! |
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| 63 | !! ** method : Uses Prather second order scheme that advects tracers |
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| 64 | !! but also their quadratic forms. The method preserves |
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| 65 | !! tracer structures by conserving second order moments. |
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| 66 | !! |
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| 67 | !! Reference: Prather, 1986, JGR, 91, D6. 6671-6681. |
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| 68 | !!---------------------------------------------------------------------- |
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| 69 | INTEGER , INTENT(in ) :: kt ! time step |
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| 70 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pu_ice ! ice i-velocity |
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| 71 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pv_ice ! ice j-velocity |
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[12197] | 72 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_i ! ice thickness |
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| 73 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_s ! snw thickness |
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| 74 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_ip ! ice pond thickness |
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[8586] | 75 | REAL(wp), DIMENSION(:,:) , INTENT(inout) :: pato_i ! open water area |
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| 76 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i ! ice volume |
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| 77 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_s ! snw volume |
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| 78 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: psv_i ! salt content |
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| 79 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: poa_i ! age content |
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| 80 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_i ! ice concentration |
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| 81 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_ip ! melt pond fraction |
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| 82 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_ip ! melt pond volume |
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| 83 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s ! snw heat content |
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| 84 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i ! ice heat content |
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| 85 | ! |
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[11732] | 86 | INTEGER :: ji,jj, jk, jl, jt ! dummy loop indices |
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[11612] | 87 | INTEGER :: icycle ! number of sub-timestep for the advection |
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| 88 | REAL(wp) :: zdt ! - - |
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| 89 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
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[11732] | 90 | REAL(wp), DIMENSION(jpi,jpj) :: zati1, zati2 |
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| 91 | REAL(wp), DIMENSION(jpi,jpj) :: zudy, zvdx |
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[12197] | 92 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhi_max, zhs_max, zhip_max |
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[11612] | 93 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
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| 94 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
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| 95 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp |
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| 96 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
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| 97 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
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[8586] | 98 | !!---------------------------------------------------------------------- |
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| 99 | ! |
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| 100 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
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| 101 | ! |
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[12197] | 102 | ! --- Record max of the surrounding 9-pts ice thick. (for call Hbig) --- ! |
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| 103 | DO jl = 1, jpl |
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[13295] | 104 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 105 | zhip_max(ji,jj,jl) = MAX( epsi20, ph_ip(ji,jj,jl), ph_ip(ji+1,jj ,jl), ph_ip(ji ,jj+1,jl), & |
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| 106 | & ph_ip(ji-1,jj ,jl), ph_ip(ji ,jj-1,jl), & |
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| 107 | & ph_ip(ji+1,jj+1,jl), ph_ip(ji-1,jj-1,jl), & |
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| 108 | & ph_ip(ji+1,jj-1,jl), ph_ip(ji-1,jj+1,jl) ) |
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| 109 | zhi_max (ji,jj,jl) = MAX( epsi20, ph_i (ji,jj,jl), ph_i (ji+1,jj ,jl), ph_i (ji ,jj+1,jl), & |
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| 110 | & ph_i (ji-1,jj ,jl), ph_i (ji ,jj-1,jl), & |
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| 111 | & ph_i (ji+1,jj+1,jl), ph_i (ji-1,jj-1,jl), & |
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| 112 | & ph_i (ji+1,jj-1,jl), ph_i (ji-1,jj+1,jl) ) |
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| 113 | zhs_max (ji,jj,jl) = MAX( epsi20, ph_s (ji,jj,jl), ph_s (ji+1,jj ,jl), ph_s (ji ,jj+1,jl), & |
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| 114 | & ph_s (ji-1,jj ,jl), ph_s (ji ,jj-1,jl), & |
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| 115 | & ph_s (ji+1,jj+1,jl), ph_s (ji-1,jj-1,jl), & |
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| 116 | & ph_s (ji+1,jj-1,jl), ph_s (ji-1,jj+1,jl) ) |
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| 117 | END_2D |
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[12197] | 118 | END DO |
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[13226] | 119 | CALL lbc_lnk_multi( 'icedyn_adv_pra', zhi_max, 'T', 1.0_wp, zhs_max, 'T', 1.0_wp, zhip_max, 'T', 1.0_wp ) |
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[12197] | 120 | ! |
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[11612] | 121 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
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| 122 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
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| 123 | ! this should not affect too much the stability |
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[12489] | 124 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rDt_ice * r1_e1u(:,:) ) |
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| 125 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rDt_ice * r1_e2v(:,:) ) ) |
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[8586] | 126 | |
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[11612] | 127 | ! non-blocking global communication send zcflnow and receive zcflprv |
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| 128 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
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| 129 | |
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| 130 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
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| 131 | ELSE ; icycle = 1 |
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[8586] | 132 | ENDIF |
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[12489] | 133 | zdt = rDt_ice / REAL(icycle) |
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[8586] | 134 | |
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[11732] | 135 | ! --- transport --- ! |
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| 136 | zudy(:,:) = pu_ice(:,:) * e2u(:,:) |
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| 137 | zvdx(:,:) = pv_ice(:,:) * e1v(:,:) |
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| 138 | |
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| 139 | DO jt = 1, icycle |
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| 140 | |
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| 141 | ! record at_i before advection (for open water) |
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| 142 | zati1(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
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| 143 | |
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| 144 | ! --- transported fields --- ! |
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| 145 | DO jl = 1, jpl |
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| 146 | zarea(:,:,jl) = e1e2t(:,:) |
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| 147 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
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| 148 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
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| 149 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
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| 150 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
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| 151 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
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| 152 | DO jk = 1, nlay_s |
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| 153 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
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| 154 | END DO |
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| 155 | DO jk = 1, nlay_i |
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| 156 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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| 157 | END DO |
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| 158 | IF ( ln_pnd_H12 ) THEN |
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| 159 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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| 160 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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| 161 | ENDIF |
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[9271] | 162 | END DO |
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[11732] | 163 | ! |
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| 164 | ! !--------------------------------------------! |
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| 165 | 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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| 166 | ! !--------------------------------------------! |
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| 167 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 168 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 169 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 170 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 171 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 172 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 173 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 174 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 175 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 176 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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[11612] | 177 | ! |
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[11732] | 178 | DO jk = 1, nlay_s !--- snow heat content |
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| 179 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 180 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 181 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 182 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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[8586] | 183 | END DO |
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[11732] | 184 | DO jk = 1, nlay_i !--- ice heat content |
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| 185 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 186 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 187 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 188 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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[11612] | 189 | END DO |
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| 190 | ! |
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| 191 | IF ( ln_pnd_H12 ) THEN |
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[11732] | 192 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 193 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 194 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 195 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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[11612] | 196 | ENDIF |
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[11732] | 197 | ! !--------------------------------------------! |
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| 198 | ELSE !== even ice time step: adv_y then adv_x ==! |
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| 199 | ! !--------------------------------------------! |
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| 200 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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| 201 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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| 202 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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| 203 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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| 204 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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| 205 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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| 206 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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| 207 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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| 208 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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| 209 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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| 210 | DO jk = 1, nlay_s !--- snow heat content |
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| 211 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 212 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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| 213 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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| 214 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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[8586] | 215 | END DO |
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[11732] | 216 | DO jk = 1, nlay_i !--- ice heat content |
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| 217 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 218 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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| 219 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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| 220 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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[11612] | 221 | END DO |
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| 222 | IF ( ln_pnd_H12 ) THEN |
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[11732] | 223 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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| 224 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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| 225 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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| 226 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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[11612] | 227 | ENDIF |
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[11732] | 228 | ! |
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| 229 | ENDIF |
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[8586] | 230 | |
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[11732] | 231 | ! --- Recover the properties from their contents --- ! |
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| 232 | DO jl = 1, jpl |
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| 233 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 234 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 235 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 236 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 237 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 238 | DO jk = 1, nlay_s |
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| 239 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 240 | END DO |
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| 241 | DO jk = 1, nlay_i |
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| 242 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 243 | END DO |
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| 244 | IF ( ln_pnd_H12 ) THEN |
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| 245 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 246 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
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| 247 | ENDIF |
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[9271] | 248 | END DO |
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[11732] | 249 | ! |
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| 250 | ! derive open water from ice concentration |
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| 251 | zati2(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
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[13295] | 252 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 253 | pato_i(ji,jj) = pato_i(ji,jj) - ( zati2(ji,jj) - zati1(ji,jj) ) & !--- open water |
---|
| 254 | & - ( zudy(ji,jj) - zudy(ji-1,jj) + zvdx(ji,jj) - zvdx(ji,jj-1) ) * r1_e1e2t(ji,jj) * zdt |
---|
| 255 | END_2D |
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[13226] | 256 | CALL lbc_lnk( 'icedyn_adv_pra', pato_i, 'T', 1.0_wp ) |
---|
[11732] | 257 | ! |
---|
| 258 | ! --- Ensure non-negative fields --- ! |
---|
| 259 | ! Remove negative values (conservation is ensured) |
---|
| 260 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
---|
| 261 | CALL ice_var_zapneg( zdt, pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pe_s, pe_i ) |
---|
| 262 | ! |
---|
[12197] | 263 | ! --- Make sure ice thickness is not too big --- ! |
---|
| 264 | ! (because ice thickness can be too large where ice concentration is very small) |
---|
| 265 | CALL Hbig( zdt, zhi_max, zhs_max, zhip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 266 | ! |
---|
[11732] | 267 | ! --- Ensure snow load is not too big --- ! |
---|
| 268 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 269 | ! |
---|
[8586] | 270 | END DO |
---|
| 271 | ! |
---|
| 272 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
---|
| 273 | ! |
---|
| 274 | END SUBROUTINE ice_dyn_adv_pra |
---|
| 275 | |
---|
[8817] | 276 | |
---|
[11612] | 277 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
---|
[8586] | 278 | & psx, psxx, psy , psyy, psxy ) |
---|
| 279 | !!---------------------------------------------------------------------- |
---|
| 280 | !! ** routine adv_x ** |
---|
| 281 | !! |
---|
| 282 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 283 | !! variable on x axis |
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| 284 | !!---------------------------------------------------------------------- |
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[11612] | 285 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
---|
| 286 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
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| 287 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
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| 288 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 289 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
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| 290 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 291 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 292 | !! |
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[11612] | 293 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
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| 294 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
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[8586] | 295 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
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| 296 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
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| 297 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
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| 298 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
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| 299 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
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| 300 | !----------------------------------------------------------------------- |
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[11612] | 301 | ! |
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| 302 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
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| 303 | ! |
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| 304 | DO jl = 1, jcat ! loop on categories |
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| 305 | ! |
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| 306 | ! Limitation of moments. |
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[13295] | 307 | DO_2D( 0, 0, 1, 1 ) |
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[12377] | 308 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
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| 309 | psm (ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
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| 310 | ! |
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| 311 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 312 | zs1max = 1.5 * zslpmax |
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| 313 | zs1new = MIN( zs1max, MAX( -zs1max, psx(ji,jj,jl) ) ) |
---|
| 314 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), & |
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| 315 | & MAX( ABS( zs1new ) - zslpmax, psxx(ji,jj,jl) ) ) |
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| 316 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
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[8586] | 317 | |
---|
[12377] | 318 | ps0 (ji,jj,jl) = zslpmax |
---|
| 319 | psx (ji,jj,jl) = zs1new * rswitch |
---|
| 320 | psxx(ji,jj,jl) = zs2new * rswitch |
---|
| 321 | psy (ji,jj,jl) = psy (ji,jj,jl) * rswitch |
---|
| 322 | psyy(ji,jj,jl) = psyy(ji,jj,jl) * rswitch |
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| 323 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
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| 324 | END_2D |
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[8586] | 325 | |
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[11612] | 326 | ! Calculate fluxes and moments between boxes i<-->i+1 |
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[13295] | 327 | DO_2D( 0, 0, 1, 1 ) |
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[12377] | 328 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
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| 329 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt / psm(ji,jj,jl) |
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| 330 | zalfq = zalf * zalf |
---|
| 331 | zalf1 = 1.0 - zalf |
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| 332 | zalf1q = zalf1 * zalf1 |
---|
| 333 | ! |
---|
| 334 | zfm (ji,jj) = zalf * psm (ji,jj,jl) |
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| 335 | zf0 (ji,jj) = zalf * ( ps0 (ji,jj,jl) + zalf1 * ( psx(ji,jj,jl) + (zalf1 - zalf) * psxx(ji,jj,jl) ) ) |
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| 336 | zfx (ji,jj) = zalfq * ( psx (ji,jj,jl) + 3.0 * zalf1 * psxx(ji,jj,jl) ) |
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| 337 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) * zalfq |
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| 338 | zfy (ji,jj) = zalf * ( psy (ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
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| 339 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
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| 340 | zfyy(ji,jj) = zalf * psyy(ji,jj,jl) |
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[8586] | 341 | |
---|
[12377] | 342 | ! Readjust moments remaining in the box. |
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| 343 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 344 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 345 | psx (ji,jj,jl) = zalf1q * ( psx(ji,jj,jl) - 3.0 * zalf * psxx(ji,jj,jl) ) |
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| 346 | psxx(ji,jj,jl) = zalf1 * zalf1q * psxx(ji,jj,jl) |
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| 347 | psy (ji,jj,jl) = psy (ji,jj,jl) - zfy(ji,jj) |
---|
| 348 | psyy(ji,jj,jl) = psyy(ji,jj,jl) - zfyy(ji,jj) |
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| 349 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
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| 350 | END_2D |
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[8586] | 351 | |
---|
[13295] | 352 | DO_2D( 0, 0, 1, 0 ) |
---|
[12377] | 353 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt / psm(ji+1,jj,jl) |
---|
| 354 | zalg (ji,jj) = zalf |
---|
| 355 | zalfq = zalf * zalf |
---|
| 356 | zalf1 = 1.0 - zalf |
---|
| 357 | zalg1 (ji,jj) = zalf1 |
---|
| 358 | zalf1q = zalf1 * zalf1 |
---|
| 359 | zalg1q(ji,jj) = zalf1q |
---|
| 360 | ! |
---|
| 361 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
---|
| 362 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
---|
| 363 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
---|
| 364 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
---|
| 365 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
---|
| 366 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
---|
| 367 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
---|
| 368 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
---|
| 369 | END_2D |
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[8586] | 370 | |
---|
[13295] | 371 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 372 | zbt = zbet(ji-1,jj) |
---|
| 373 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 374 | ! |
---|
| 375 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji-1,jj) ) |
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| 376 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji-1,jj) ) |
---|
| 377 | psx (ji,jj,jl) = zalg1q(ji-1,jj) * ( psx(ji,jj,jl) + 3.0 * zalg(ji-1,jj) * psxx(ji,jj,jl) ) |
---|
| 378 | psxx(ji,jj,jl) = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * psxx(ji,jj,jl) |
---|
| 379 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) - zfy (ji-1,jj) ) |
---|
| 380 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) - zfyy(ji-1,jj) ) |
---|
| 381 | psxy(ji,jj,jl) = zalg1q(ji-1,jj) * psxy(ji,jj,jl) |
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| 382 | END_2D |
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[8586] | 383 | |
---|
[11612] | 384 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
[13295] | 385 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 386 | zbt = zbet(ji-1,jj) |
---|
| 387 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 388 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji-1,jj) ) + zbt1 * psm(ji,jj,jl) |
---|
| 389 | zalf = zbt * zfm(ji-1,jj) / psm(ji,jj,jl) |
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| 390 | zalf1 = 1.0 - zalf |
---|
| 391 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji-1,jj) |
---|
| 392 | ! |
---|
| 393 | ps0 (ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji-1,jj) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 394 | psx (ji,jj,jl) = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) + zbt1 * psx(ji,jj,jl) |
---|
| 395 | psxx(ji,jj,jl) = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 396 | & + 5.0 * ( zalf * zalf1 * ( psx (ji,jj,jl) - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
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| 397 | & + zbt1 * psxx(ji,jj,jl) |
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| 398 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 399 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * psy(ji,jj,jl) ) ) & |
---|
| 400 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 401 | psy (ji,jj,jl) = zbt * ( psy (ji,jj,jl) + zfy (ji-1,jj) ) + zbt1 * psy (ji,jj,jl) |
---|
| 402 | psyy(ji,jj,jl) = zbt * ( psyy(ji,jj,jl) + zfyy(ji-1,jj) ) + zbt1 * psyy(ji,jj,jl) |
---|
| 403 | END_2D |
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[8586] | 404 | |
---|
[13295] | 405 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 406 | zbt = zbet(ji,jj) |
---|
| 407 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 408 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 409 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 410 | zalf1 = 1.0 - zalf |
---|
| 411 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 412 | ! |
---|
| 413 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 414 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 415 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 416 | & + 5.0 * ( zalf * zalf1 * ( - psx(ji,jj,jl) + zfx(ji,jj) ) & |
---|
| 417 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 418 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 419 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * psy(ji,jj,jl) ) ) |
---|
| 420 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) + zfy (ji,jj) ) |
---|
| 421 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) + zfyy(ji,jj) ) |
---|
| 422 | END_2D |
---|
[8586] | 423 | |
---|
| 424 | END DO |
---|
| 425 | |
---|
| 426 | !-- Lateral boundary conditions |
---|
[13226] | 427 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1.0_wp, ps0 , 'T', 1.0_wp & |
---|
| 428 | & , psx , 'T', -1.0_wp, psy , 'T', -1.0_wp & ! caution gradient ==> the sign changes |
---|
| 429 | & , psxx , 'T', 1.0_wp, psyy, 'T', 1.0_wp , psxy, 'T', 1.0_wp ) |
---|
[8586] | 430 | ! |
---|
| 431 | END SUBROUTINE adv_x |
---|
| 432 | |
---|
| 433 | |
---|
[11612] | 434 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
---|
[8586] | 435 | & psx, psxx, psy , psyy, psxy ) |
---|
| 436 | !!--------------------------------------------------------------------- |
---|
| 437 | !! ** routine adv_y ** |
---|
| 438 | !! |
---|
| 439 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 440 | !! variable on y axis |
---|
| 441 | !!--------------------------------------------------------------------- |
---|
[11612] | 442 | REAL(wp) , INTENT(in ) :: pdt ! time step |
---|
| 443 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
| 444 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
---|
| 445 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 446 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
| 447 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 448 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 449 | !! |
---|
[11612] | 450 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
| 451 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
---|
[8586] | 452 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
| 453 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
| 454 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
---|
| 455 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
---|
| 456 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
| 457 | !--------------------------------------------------------------------- |
---|
[11612] | 458 | ! |
---|
| 459 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
| 460 | ! |
---|
| 461 | DO jl = 1, jcat ! loop on categories |
---|
| 462 | ! |
---|
| 463 | ! Limitation of moments. |
---|
[13295] | 464 | DO_2D( 1, 1, 0, 0 ) |
---|
[12377] | 465 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
| 466 | psm(ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
---|
| 467 | ! |
---|
| 468 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 469 | zs1max = 1.5 * zslpmax |
---|
| 470 | zs1new = MIN( zs1max, MAX( -zs1max, psy(ji,jj,jl) ) ) |
---|
| 471 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), & |
---|
| 472 | & MAX( ABS( zs1new )-zslpmax, psyy(ji,jj,jl) ) ) |
---|
| 473 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
| 474 | ! |
---|
| 475 | ps0 (ji,jj,jl) = zslpmax |
---|
| 476 | psx (ji,jj,jl) = psx (ji,jj,jl) * rswitch |
---|
| 477 | psxx(ji,jj,jl) = psxx(ji,jj,jl) * rswitch |
---|
| 478 | psy (ji,jj,jl) = zs1new * rswitch |
---|
| 479 | psyy(ji,jj,jl) = zs2new * rswitch |
---|
| 480 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
---|
| 481 | END_2D |
---|
[11612] | 482 | |
---|
| 483 | ! Calculate fluxes and moments between boxes j<-->j+1 |
---|
[13295] | 484 | DO_2D( 1, 1, 0, 0 ) |
---|
[12377] | 485 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
---|
| 486 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt / psm(ji,jj,jl) |
---|
| 487 | zalfq = zalf * zalf |
---|
| 488 | zalf1 = 1.0 - zalf |
---|
| 489 | zalf1q = zalf1 * zalf1 |
---|
| 490 | ! |
---|
| 491 | zfm (ji,jj) = zalf * psm(ji,jj,jl) |
---|
| 492 | zf0 (ji,jj) = zalf * ( ps0(ji,jj,jl) + zalf1 * ( psy(ji,jj,jl) + (zalf1-zalf) * psyy(ji,jj,jl) ) ) |
---|
| 493 | zfy (ji,jj) = zalfq *( psy(ji,jj,jl) + 3.0*zalf1*psyy(ji,jj,jl) ) |
---|
| 494 | zfyy(ji,jj) = zalf * zalfq * psyy(ji,jj,jl) |
---|
| 495 | zfx (ji,jj) = zalf * ( psx(ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
---|
| 496 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
---|
| 497 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) |
---|
| 498 | ! |
---|
| 499 | ! Readjust moments remaining in the box. |
---|
| 500 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 501 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 502 | psy (ji,jj,jl) = zalf1q * ( psy(ji,jj,jl) -3.0 * zalf * psyy(ji,jj,jl) ) |
---|
| 503 | psyy(ji,jj,jl) = zalf1 * zalf1q * psyy(ji,jj,jl) |
---|
| 504 | psx (ji,jj,jl) = psx (ji,jj,jl) - zfx(ji,jj) |
---|
| 505 | psxx(ji,jj,jl) = psxx(ji,jj,jl) - zfxx(ji,jj) |
---|
| 506 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
---|
| 507 | END_2D |
---|
[11612] | 508 | ! |
---|
[13295] | 509 | DO_2D( 1, 0, 0, 0 ) |
---|
[12377] | 510 | zalf = MAX( 0._wp, -pvt(ji,jj) ) * pdt / psm(ji,jj+1,jl) |
---|
| 511 | zalg (ji,jj) = zalf |
---|
| 512 | zalfq = zalf * zalf |
---|
| 513 | zalf1 = 1.0 - zalf |
---|
| 514 | zalg1 (ji,jj) = zalf1 |
---|
| 515 | zalf1q = zalf1 * zalf1 |
---|
| 516 | zalg1q(ji,jj) = zalf1q |
---|
| 517 | ! |
---|
| 518 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
---|
| 519 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
---|
| 520 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
---|
| 521 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
---|
| 522 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
---|
| 523 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
---|
| 524 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
---|
| 525 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
---|
| 526 | END_2D |
---|
[8586] | 527 | |
---|
[11612] | 528 | ! Readjust moments remaining in the box. |
---|
[13295] | 529 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 530 | zbt = zbet(ji,jj-1) |
---|
| 531 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
---|
| 532 | ! |
---|
| 533 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji,jj-1) ) |
---|
| 534 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji,jj-1) ) |
---|
| 535 | psy (ji,jj,jl) = zalg1q(ji,jj-1) * ( psy(ji,jj,jl) + 3.0 * zalg(ji,jj-1) * psyy(ji,jj,jl) ) |
---|
| 536 | psyy(ji,jj,jl) = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * psyy(ji,jj,jl) |
---|
| 537 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) - zfx (ji,jj-1) ) |
---|
| 538 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) - zfxx(ji,jj-1) ) |
---|
| 539 | psxy(ji,jj,jl) = zalg1q(ji,jj-1) * psxy(ji,jj,jl) |
---|
| 540 | END_2D |
---|
[8586] | 541 | |
---|
[11612] | 542 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
[13295] | 543 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 544 | zbt = zbet(ji,jj-1) |
---|
| 545 | zbt1 = 1.0 - zbet(ji,jj-1) |
---|
| 546 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji,jj-1) ) + zbt1 * psm(ji,jj,jl) |
---|
| 547 | zalf = zbt * zfm(ji,jj-1) / psm(ji,jj,jl) |
---|
| 548 | zalf1 = 1.0 - zalf |
---|
| 549 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji,jj-1) |
---|
| 550 | ! |
---|
| 551 | ps0(ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji,jj-1) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 552 | psy(ji,jj,jl) = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) & |
---|
| 553 | & + zbt1 * psy(ji,jj,jl) |
---|
| 554 | psyy(ji,jj,jl) = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 555 | & + 5.0 * ( zalf * zalf1 * ( psy(ji,jj,jl) - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
| 556 | & + zbt1 * psyy(ji,jj,jl) |
---|
| 557 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * psxy(ji,jj,jl) & |
---|
| 558 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * psx(ji,jj,jl) ) ) & |
---|
| 559 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 560 | psx (ji,jj,jl) = zbt * ( psx (ji,jj,jl) + zfx (ji,jj-1) ) + zbt1 * psx (ji,jj,jl) |
---|
| 561 | psxx(ji,jj,jl) = zbt * ( psxx(ji,jj,jl) + zfxx(ji,jj-1) ) + zbt1 * psxx(ji,jj,jl) |
---|
| 562 | END_2D |
---|
[8586] | 563 | |
---|
[13295] | 564 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 565 | zbt = zbet(ji,jj) |
---|
| 566 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 567 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 568 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 569 | zalf1 = 1.0 - zalf |
---|
| 570 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 571 | ! |
---|
| 572 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 573 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 574 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 575 | & + 5.0 * ( zalf * zalf1 * ( - psy(ji,jj,jl) + zfy(ji,jj) ) & |
---|
| 576 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 577 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 578 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * psx(ji,jj,jl) ) ) |
---|
| 579 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) + zfx (ji,jj) ) |
---|
| 580 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) + zfxx(ji,jj) ) |
---|
| 581 | END_2D |
---|
[11612] | 582 | |
---|
[8586] | 583 | END DO |
---|
| 584 | |
---|
| 585 | !-- Lateral boundary conditions |
---|
[13226] | 586 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1.0_wp, ps0 , 'T', 1.0_wp & |
---|
| 587 | & , psx , 'T', -1.0_wp, psy , 'T', -1.0_wp & ! caution gradient ==> the sign changes |
---|
| 588 | & , psxx , 'T', 1.0_wp, psyy, 'T', 1.0_wp , psxy, 'T', 1.0_wp ) |
---|
[8586] | 589 | ! |
---|
| 590 | END SUBROUTINE adv_y |
---|
| 591 | |
---|
[8817] | 592 | |
---|
[12197] | 593 | SUBROUTINE Hbig( pdt, phi_max, phs_max, phip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 594 | !!------------------------------------------------------------------- |
---|
| 595 | !! *** ROUTINE Hbig *** |
---|
| 596 | !! |
---|
| 597 | !! ** Purpose : Thickness correction in case advection scheme creates |
---|
| 598 | !! abnormally tick ice or snow |
---|
| 599 | !! |
---|
| 600 | !! ** Method : 1- check whether ice thickness is larger than the surrounding 9-points |
---|
| 601 | !! (before advection) and reduce it by adapting ice concentration |
---|
| 602 | !! 2- check whether snow thickness is larger than the surrounding 9-points |
---|
| 603 | !! (before advection) and reduce it by sending the excess in the ocean |
---|
| 604 | !! |
---|
| 605 | !! ** input : Max thickness of the surrounding 9-points |
---|
| 606 | !!------------------------------------------------------------------- |
---|
| 607 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 608 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: phi_max, phs_max, phip_max ! max ice thick from surrounding 9-pts |
---|
| 609 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip, pv_ip |
---|
| 610 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 611 | ! |
---|
| 612 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 613 | REAL(wp) :: z1_dt, zhip, zhi, zhs, zfra |
---|
| 614 | !!------------------------------------------------------------------- |
---|
| 615 | ! |
---|
| 616 | z1_dt = 1._wp / pdt |
---|
| 617 | ! |
---|
| 618 | DO jl = 1, jpl |
---|
| 619 | |
---|
[13295] | 620 | DO_2D( 1, 1, 1, 1 ) |
---|
[12377] | 621 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 622 | ! |
---|
| 623 | ! ! -- check h_ip -- ! |
---|
| 624 | ! if h_ip is larger than the surrounding 9 pts => reduce h_ip and increase a_ip |
---|
| 625 | IF( ln_pnd_H12 .AND. pv_ip(ji,jj,jl) > 0._wp ) THEN |
---|
| 626 | zhip = pv_ip(ji,jj,jl) / MAX( epsi20, pa_ip(ji,jj,jl) ) |
---|
| 627 | IF( zhip > phip_max(ji,jj,jl) .AND. pa_ip(ji,jj,jl) < 0.15 ) THEN |
---|
| 628 | pa_ip(ji,jj,jl) = pv_ip(ji,jj,jl) / phip_max(ji,jj,jl) |
---|
[12197] | 629 | ENDIF |
---|
[12377] | 630 | ENDIF |
---|
| 631 | ! |
---|
| 632 | ! ! -- check h_i -- ! |
---|
| 633 | ! if h_i is larger than the surrounding 9 pts => reduce h_i and increase a_i |
---|
| 634 | zhi = pv_i(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 635 | IF( zhi > phi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 636 | 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) |
---|
| 637 | ENDIF |
---|
| 638 | ! |
---|
| 639 | ! ! -- check h_s -- ! |
---|
| 640 | ! if h_s is larger than the surrounding 9 pts => put the snow excess in the ocean |
---|
| 641 | zhs = pv_s(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 642 | IF( pv_s(ji,jj,jl) > 0._wp .AND. zhs > phs_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 643 | zfra = phs_max(ji,jj,jl) / MAX( zhs, epsi20 ) |
---|
[12197] | 644 | ! |
---|
[12377] | 645 | 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 |
---|
| 646 | 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 |
---|
[12197] | 647 | ! |
---|
[12377] | 648 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 649 | pv_s(ji,jj,jl) = pa_i(ji,jj,jl) * phs_max(ji,jj,jl) |
---|
| 650 | ENDIF |
---|
| 651 | ! |
---|
| 652 | ENDIF |
---|
| 653 | END_2D |
---|
[12197] | 654 | END DO |
---|
| 655 | ! |
---|
| 656 | END SUBROUTINE Hbig |
---|
| 657 | |
---|
| 658 | |
---|
[11632] | 659 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 660 | !!------------------------------------------------------------------- |
---|
| 661 | !! *** ROUTINE Hsnow *** |
---|
| 662 | !! |
---|
| 663 | !! ** Purpose : 1- Check snow load after advection |
---|
| 664 | !! 2- Correct pond concentration to avoid a_ip > a_i |
---|
| 665 | !! |
---|
| 666 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
---|
| 667 | !! then put the snow excess in the ocean |
---|
| 668 | !! |
---|
| 669 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
---|
| 670 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
---|
| 671 | !! make the snow very thick (if concentration decreases drastically) |
---|
| 672 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
---|
| 673 | !!------------------------------------------------------------------- |
---|
| 674 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 675 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
---|
| 676 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 677 | ! |
---|
| 678 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 679 | REAL(wp) :: z1_dt, zvs_excess, zfra |
---|
| 680 | !!------------------------------------------------------------------- |
---|
| 681 | ! |
---|
| 682 | z1_dt = 1._wp / pdt |
---|
| 683 | ! |
---|
| 684 | ! -- check snow load -- ! |
---|
| 685 | DO jl = 1, jpl |
---|
[13295] | 686 | DO_2D( 1, 1, 1, 1 ) |
---|
[12377] | 687 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 688 | ! |
---|
[12489] | 689 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rho0-rhoi) * r1_rhos ) |
---|
[12377] | 690 | ! |
---|
| 691 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
---|
| 692 | ! put snow excess in the ocean |
---|
| 693 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
---|
| 694 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
---|
| 695 | 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 |
---|
| 696 | ! correct snow volume and heat content |
---|
| 697 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 698 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
---|
[11632] | 699 | ENDIF |
---|
[12377] | 700 | ! |
---|
| 701 | ENDIF |
---|
| 702 | END_2D |
---|
[11632] | 703 | END DO |
---|
| 704 | ! |
---|
| 705 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
---|
| 706 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
---|
| 707 | ! |
---|
| 708 | END SUBROUTINE Hsnow |
---|
| 709 | |
---|
| 710 | |
---|
[8586] | 711 | SUBROUTINE adv_pra_init |
---|
| 712 | !!------------------------------------------------------------------- |
---|
| 713 | !! *** ROUTINE adv_pra_init *** |
---|
| 714 | !! |
---|
| 715 | !! ** Purpose : allocate and initialize arrays for Prather advection |
---|
| 716 | !!------------------------------------------------------------------- |
---|
| 717 | INTEGER :: ierr |
---|
| 718 | !!------------------------------------------------------------------- |
---|
[8817] | 719 | ! |
---|
| 720 | ! !* allocate prather fields |
---|
[11732] | 721 | ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
---|
[8586] | 722 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
---|
| 723 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
---|
| 724 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
---|
| 725 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
---|
| 726 | & sxap(jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
---|
| 727 | & sxvp(jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
---|
[9271] | 728 | ! |
---|
| 729 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 730 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 731 | ! |
---|
| 732 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
---|
| 733 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
---|
[8586] | 734 | & STAT = ierr ) |
---|
| 735 | ! |
---|
[10425] | 736 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
---|
[8586] | 737 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
---|
| 738 | ! |
---|
[8817] | 739 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
---|
[8586] | 740 | ! |
---|
| 741 | END SUBROUTINE adv_pra_init |
---|
| 742 | |
---|
[8817] | 743 | |
---|
[8586] | 744 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
---|
| 745 | !!--------------------------------------------------------------------- |
---|
| 746 | !! *** ROUTINE adv_pra_rst *** |
---|
| 747 | !! |
---|
[11612] | 748 | !! ** Purpose : Read or write file in restart file |
---|
[8586] | 749 | !! |
---|
| 750 | !! ** Method : use of IOM library |
---|
| 751 | !!---------------------------------------------------------------------- |
---|
| 752 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
| 753 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
---|
| 754 | ! |
---|
| 755 | INTEGER :: jk, jl ! dummy loop indices |
---|
| 756 | INTEGER :: iter ! local integer |
---|
| 757 | INTEGER :: id1 ! local integer |
---|
| 758 | CHARACTER(len=25) :: znam |
---|
| 759 | CHARACTER(len=2) :: zchar, zchar1 |
---|
[8817] | 760 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
---|
[8586] | 761 | !!---------------------------------------------------------------------- |
---|
| 762 | ! |
---|
[8817] | 763 | ! !==========================! |
---|
| 764 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
---|
| 765 | ! !==========================! |
---|
| 766 | ! |
---|
[11732] | 767 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxice' , ldstop = .FALSE. ) ! file exist: id1>0 |
---|
[8817] | 768 | ELSE ; id1 = 0 ! no restart: id1=0 |
---|
| 769 | ENDIF |
---|
| 770 | ! |
---|
| 771 | IF( id1 > 0 ) THEN !** Read the restart file **! |
---|
[8586] | 772 | ! |
---|
[8817] | 773 | ! ! ice thickness |
---|
[13286] | 774 | CALL iom_get( numrir, jpdom_auto, 'sxice' , sxice ) |
---|
| 775 | CALL iom_get( numrir, jpdom_auto, 'syice' , syice ) |
---|
| 776 | CALL iom_get( numrir, jpdom_auto, 'sxxice', sxxice ) |
---|
| 777 | CALL iom_get( numrir, jpdom_auto, 'syyice', syyice ) |
---|
| 778 | CALL iom_get( numrir, jpdom_auto, 'sxyice', sxyice ) |
---|
[8817] | 779 | ! ! snow thickness |
---|
[13286] | 780 | CALL iom_get( numrir, jpdom_auto, 'sxsn' , sxsn ) |
---|
| 781 | CALL iom_get( numrir, jpdom_auto, 'sysn' , sysn ) |
---|
| 782 | CALL iom_get( numrir, jpdom_auto, 'sxxsn' , sxxsn ) |
---|
| 783 | CALL iom_get( numrir, jpdom_auto, 'syysn' , syysn ) |
---|
| 784 | CALL iom_get( numrir, jpdom_auto, 'sxysn' , sxysn ) |
---|
[11627] | 785 | ! ! ice concentration |
---|
[13286] | 786 | CALL iom_get( numrir, jpdom_auto, 'sxa' , sxa ) |
---|
| 787 | CALL iom_get( numrir, jpdom_auto, 'sya' , sya ) |
---|
| 788 | CALL iom_get( numrir, jpdom_auto, 'sxxa' , sxxa ) |
---|
| 789 | CALL iom_get( numrir, jpdom_auto, 'syya' , syya ) |
---|
| 790 | CALL iom_get( numrir, jpdom_auto, 'sxya' , sxya ) |
---|
[8817] | 791 | ! ! ice salinity |
---|
[13286] | 792 | CALL iom_get( numrir, jpdom_auto, 'sxsal' , sxsal ) |
---|
| 793 | CALL iom_get( numrir, jpdom_auto, 'sysal' , sysal ) |
---|
| 794 | CALL iom_get( numrir, jpdom_auto, 'sxxsal', sxxsal ) |
---|
| 795 | CALL iom_get( numrir, jpdom_auto, 'syysal', syysal ) |
---|
| 796 | CALL iom_get( numrir, jpdom_auto, 'sxysal', sxysal ) |
---|
[8817] | 797 | ! ! ice age |
---|
[13286] | 798 | CALL iom_get( numrir, jpdom_auto, 'sxage' , sxage ) |
---|
| 799 | CALL iom_get( numrir, jpdom_auto, 'syage' , syage ) |
---|
| 800 | CALL iom_get( numrir, jpdom_auto, 'sxxage', sxxage ) |
---|
| 801 | CALL iom_get( numrir, jpdom_auto, 'syyage', syyage ) |
---|
| 802 | CALL iom_get( numrir, jpdom_auto, 'sxyage', sxyage ) |
---|
[9271] | 803 | ! ! snow layers heat content |
---|
| 804 | DO jk = 1, nlay_s |
---|
| 805 | WRITE(zchar1,'(I2.2)') jk |
---|
[13286] | 806 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
---|
| 807 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
---|
| 808 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
---|
| 809 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
---|
| 810 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
---|
[9271] | 811 | END DO |
---|
[8817] | 812 | ! ! ice layers heat content |
---|
[9271] | 813 | DO jk = 1, nlay_i |
---|
[8817] | 814 | WRITE(zchar1,'(I2.2)') jk |
---|
[13286] | 815 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
---|
| 816 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sye (:,:,jk,:) = z3d(:,:,:) |
---|
| 817 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
---|
| 818 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
---|
| 819 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
---|
[8817] | 820 | END DO |
---|
[8586] | 821 | ! |
---|
[8817] | 822 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
---|
[13286] | 823 | CALL iom_get( numrir, jpdom_auto, 'sxap' , sxap ) |
---|
| 824 | CALL iom_get( numrir, jpdom_auto, 'syap' , syap ) |
---|
| 825 | CALL iom_get( numrir, jpdom_auto, 'sxxap', sxxap ) |
---|
| 826 | CALL iom_get( numrir, jpdom_auto, 'syyap', syyap ) |
---|
| 827 | CALL iom_get( numrir, jpdom_auto, 'sxyap', sxyap ) |
---|
[8817] | 828 | ! ! melt pond volume |
---|
[13286] | 829 | CALL iom_get( numrir, jpdom_auto, 'sxvp' , sxvp ) |
---|
| 830 | CALL iom_get( numrir, jpdom_auto, 'syvp' , syvp ) |
---|
| 831 | CALL iom_get( numrir, jpdom_auto, 'sxxvp', sxxvp ) |
---|
| 832 | CALL iom_get( numrir, jpdom_auto, 'syyvp', syyvp ) |
---|
| 833 | CALL iom_get( numrir, jpdom_auto, 'sxyvp', sxyvp ) |
---|
[8586] | 834 | ENDIF |
---|
| 835 | ! |
---|
[8817] | 836 | ELSE !** start rheology from rest **! |
---|
| 837 | ! |
---|
| 838 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
---|
| 839 | ! |
---|
| 840 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
---|
| 841 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
---|
[11627] | 842 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
---|
[8817] | 843 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
---|
| 844 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
---|
[9271] | 845 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
---|
[8817] | 846 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
---|
| 847 | IF( ln_pnd_H12 ) THEN |
---|
| 848 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
---|
| 849 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
---|
[8586] | 850 | ENDIF |
---|
| 851 | ENDIF |
---|
| 852 | ! |
---|
[8817] | 853 | ! !=====================================! |
---|
| 854 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
---|
| 855 | ! !=====================================! |
---|
| 856 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
---|
[8586] | 857 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
---|
| 858 | ! |
---|
[8817] | 859 | ! |
---|
| 860 | ! In case Prather scheme is used for advection, write second order moments |
---|
| 861 | ! ------------------------------------------------------------------------ |
---|
| 862 | ! |
---|
| 863 | ! ! ice thickness |
---|
| 864 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
---|
| 865 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
---|
| 866 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
---|
| 867 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
---|
| 868 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
---|
| 869 | ! ! snow thickness |
---|
| 870 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
---|
| 871 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
---|
| 872 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
---|
| 873 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
---|
| 874 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
---|
[11627] | 875 | ! ! ice concentration |
---|
[8817] | 876 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
---|
| 877 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
---|
| 878 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
---|
| 879 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
---|
| 880 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
---|
| 881 | ! ! ice salinity |
---|
| 882 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
---|
| 883 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
---|
| 884 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
---|
| 885 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
---|
| 886 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
---|
| 887 | ! ! ice age |
---|
| 888 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
---|
| 889 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
---|
| 890 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
---|
| 891 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
---|
| 892 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
---|
[9271] | 893 | ! ! snow layers heat content |
---|
| 894 | DO jk = 1, nlay_s |
---|
| 895 | WRITE(zchar1,'(I2.2)') jk |
---|
| 896 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 897 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 898 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 899 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 900 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 901 | END DO |
---|
[8817] | 902 | ! ! ice layers heat content |
---|
[9271] | 903 | DO jk = 1, nlay_i |
---|
[8817] | 904 | WRITE(zchar1,'(I2.2)') jk |
---|
[9123] | 905 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 906 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 907 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 908 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 909 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
[8586] | 910 | END DO |
---|
[8817] | 911 | ! |
---|
| 912 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
---|
| 913 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
---|
| 914 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
---|
| 915 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
---|
| 916 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
---|
| 917 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
---|
| 918 | ! ! melt pond volume |
---|
| 919 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
---|
| 920 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
---|
| 921 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
---|
| 922 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
---|
| 923 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
---|
[8586] | 924 | ENDIF |
---|
| 925 | ! |
---|
| 926 | ENDIF |
---|
| 927 | ! |
---|
| 928 | END SUBROUTINE adv_pra_rst |
---|
| 929 | |
---|
| 930 | #else |
---|
| 931 | !!---------------------------------------------------------------------- |
---|
[9570] | 932 | !! Default option Dummy module NO SI3 sea-ice model |
---|
[8586] | 933 | !!---------------------------------------------------------------------- |
---|
| 934 | #endif |
---|
| 935 | |
---|
| 936 | !!====================================================================== |
---|
| 937 | END MODULE icedyn_adv_pra |
---|