[8586] | 1 | MODULE icedyn_adv_pra |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE icedyn_adv_pra *** |
---|
| 4 | !! sea-ice : advection => Prather scheme |
---|
| 5 | !!====================================================================== |
---|
[9656] | 6 | !! History : ! 2008-03 (M. Vancoppenolle) original code |
---|
[9604] | 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
---|
[8586] | 8 | !!-------------------------------------------------------------------- |
---|
[9570] | 9 | #if defined key_si3 |
---|
[8586] | 10 | !!---------------------------------------------------------------------- |
---|
[9570] | 11 | !! 'key_si3' SI3 sea-ice model |
---|
[8586] | 12 | !!---------------------------------------------------------------------- |
---|
[8817] | 13 | !! ice_dyn_adv_pra : advection of sea ice using Prather scheme |
---|
| 14 | !! adv_x, adv_y : Prather scheme applied in i- and j-direction, resp. |
---|
| 15 | !! adv_pra_init : initialisation of the Prather scheme |
---|
| 16 | !! adv_pra_rst : read/write Prather field in ice restart file, or initialized to zero |
---|
[8586] | 17 | !!---------------------------------------------------------------------- |
---|
[11812] | 18 | USE phycst ! physical constant |
---|
[8586] | 19 | USE dom_oce ! ocean domain |
---|
| 20 | USE ice ! sea-ice variables |
---|
| 21 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
---|
[11612] | 22 | USE icevar ! sea-ice: operations |
---|
[8586] | 23 | ! |
---|
| 24 | USE in_out_manager ! I/O manager |
---|
| 25 | USE iom ! I/O manager library |
---|
| 26 | USE lib_mpp ! MPP library |
---|
| 27 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
---|
| 28 | USE lbclnk ! lateral boundary conditions (or mpp links) |
---|
| 29 | |
---|
| 30 | IMPLICIT NONE |
---|
| 31 | PRIVATE |
---|
| 32 | |
---|
| 33 | PUBLIC ice_dyn_adv_pra ! called by icedyn_adv |
---|
| 34 | PUBLIC adv_pra_init ! called by icedyn_adv |
---|
| 35 | |
---|
| 36 | ! Moments for advection |
---|
| 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice ! ice thickness |
---|
| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn ! snow thickness |
---|
[11627] | 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
---|
[8586] | 40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal ! ice salinity |
---|
| 41 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage ! ice age |
---|
[9271] | 42 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 ! snow layers heat content |
---|
[8817] | 43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye ! ice layers heat content |
---|
[8586] | 44 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxap , syap , sxxap , syyap , sxyap ! melt pond fraction |
---|
| 45 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvp , syvp , sxxvp , syyvp , sxyvp ! melt pond volume |
---|
[8817] | 46 | |
---|
[8586] | 47 | !! * Substitutions |
---|
| 48 | # include "vectopt_loop_substitute.h90" |
---|
| 49 | !!---------------------------------------------------------------------- |
---|
[9598] | 50 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
---|
[10069] | 51 | !! $Id$ |
---|
[10068] | 52 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
[8586] | 53 | !!---------------------------------------------------------------------- |
---|
| 54 | CONTAINS |
---|
| 55 | |
---|
[12197] | 56 | SUBROUTINE ice_dyn_adv_pra( kt, pu_ice, pv_ice, ph_i, ph_s, ph_ip, & |
---|
[8586] | 57 | & pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pe_s, pe_i ) |
---|
| 58 | !!---------------------------------------------------------------------- |
---|
| 59 | !! ** routine ice_dyn_adv_pra ** |
---|
| 60 | !! |
---|
| 61 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 62 | !! |
---|
| 63 | !! ** method : Uses Prather second order scheme that advects tracers |
---|
| 64 | !! but also their quadratic forms. The method preserves |
---|
| 65 | !! tracer structures by conserving second order moments. |
---|
| 66 | !! |
---|
| 67 | !! Reference: Prather, 1986, JGR, 91, D6. 6671-6681. |
---|
| 68 | !!---------------------------------------------------------------------- |
---|
| 69 | INTEGER , INTENT(in ) :: kt ! time step |
---|
| 70 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pu_ice ! ice i-velocity |
---|
| 71 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pv_ice ! ice j-velocity |
---|
[12197] | 72 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_i ! ice thickness |
---|
| 73 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_s ! snw thickness |
---|
| 74 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_ip ! ice pond thickness |
---|
[8586] | 75 | REAL(wp), DIMENSION(:,:) , INTENT(inout) :: pato_i ! open water area |
---|
| 76 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i ! ice volume |
---|
| 77 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_s ! snw volume |
---|
| 78 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: psv_i ! salt content |
---|
| 79 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: poa_i ! age content |
---|
| 80 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_i ! ice concentration |
---|
| 81 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_ip ! melt pond fraction |
---|
| 82 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_ip ! melt pond volume |
---|
| 83 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s ! snw heat content |
---|
| 84 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i ! ice heat content |
---|
| 85 | ! |
---|
[11732] | 86 | INTEGER :: ji,jj, jk, jl, jt ! dummy loop indices |
---|
[11612] | 87 | INTEGER :: icycle ! number of sub-timestep for the advection |
---|
| 88 | REAL(wp) :: zdt ! - - |
---|
| 89 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
---|
[11732] | 90 | REAL(wp), DIMENSION(jpi,jpj) :: zati1, zati2 |
---|
| 91 | REAL(wp), DIMENSION(jpi,jpj) :: zudy, zvdx |
---|
[12197] | 92 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhi_max, zhs_max, zhip_max |
---|
[11612] | 93 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
---|
| 94 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
---|
| 95 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp |
---|
| 96 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
---|
| 97 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
---|
[8586] | 98 | !!---------------------------------------------------------------------- |
---|
| 99 | ! |
---|
| 100 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
---|
| 101 | ! |
---|
[12197] | 102 | ! --- Record max of the surrounding 9-pts ice thick. (for call Hbig) --- ! |
---|
| 103 | DO jl = 1, jpl |
---|
| 104 | DO jj = 2, jpjm1 |
---|
| 105 | DO ji = fs_2, fs_jpim1 |
---|
| 106 | zhip_max(ji,jj,jl) = MAX( epsi20, ph_ip(ji,jj,jl), ph_ip(ji+1,jj ,jl), ph_ip(ji ,jj+1,jl), & |
---|
| 107 | & ph_ip(ji-1,jj ,jl), ph_ip(ji ,jj-1,jl), & |
---|
| 108 | & ph_ip(ji+1,jj+1,jl), ph_ip(ji-1,jj-1,jl), & |
---|
| 109 | & ph_ip(ji+1,jj-1,jl), ph_ip(ji-1,jj+1,jl) ) |
---|
| 110 | zhi_max (ji,jj,jl) = MAX( epsi20, ph_i (ji,jj,jl), ph_i (ji+1,jj ,jl), ph_i (ji ,jj+1,jl), & |
---|
| 111 | & ph_i (ji-1,jj ,jl), ph_i (ji ,jj-1,jl), & |
---|
| 112 | & ph_i (ji+1,jj+1,jl), ph_i (ji-1,jj-1,jl), & |
---|
| 113 | & ph_i (ji+1,jj-1,jl), ph_i (ji-1,jj+1,jl) ) |
---|
| 114 | zhs_max (ji,jj,jl) = MAX( epsi20, ph_s (ji,jj,jl), ph_s (ji+1,jj ,jl), ph_s (ji ,jj+1,jl), & |
---|
| 115 | & ph_s (ji-1,jj ,jl), ph_s (ji ,jj-1,jl), & |
---|
| 116 | & ph_s (ji+1,jj+1,jl), ph_s (ji-1,jj-1,jl), & |
---|
| 117 | & ph_s (ji+1,jj-1,jl), ph_s (ji-1,jj+1,jl) ) |
---|
| 118 | END DO |
---|
| 119 | END DO |
---|
| 120 | END DO |
---|
| 121 | CALL lbc_lnk_multi( 'icedyn_adv_pra', zhi_max, 'T', 1., zhs_max, 'T', 1., zhip_max, 'T', 1. ) |
---|
| 122 | ! |
---|
[11612] | 123 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
---|
| 124 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
---|
| 125 | ! this should not affect too much the stability |
---|
| 126 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) |
---|
| 127 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
---|
[8586] | 128 | |
---|
[11612] | 129 | ! non-blocking global communication send zcflnow and receive zcflprv |
---|
| 130 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
---|
| 131 | |
---|
| 132 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
---|
| 133 | ELSE ; icycle = 1 |
---|
[8586] | 134 | ENDIF |
---|
[11612] | 135 | zdt = rdt_ice / REAL(icycle) |
---|
[8586] | 136 | |
---|
[11732] | 137 | ! --- transport --- ! |
---|
| 138 | zudy(:,:) = pu_ice(:,:) * e2u(:,:) |
---|
| 139 | zvdx(:,:) = pv_ice(:,:) * e1v(:,:) |
---|
| 140 | |
---|
| 141 | DO jt = 1, icycle |
---|
| 142 | |
---|
| 143 | ! record at_i before advection (for open water) |
---|
| 144 | zati1(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
---|
| 145 | |
---|
| 146 | ! --- transported fields --- ! |
---|
| 147 | DO jl = 1, jpl |
---|
| 148 | zarea(:,:,jl) = e1e2t(:,:) |
---|
| 149 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
---|
| 150 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
---|
| 151 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
---|
| 152 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
---|
| 153 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
---|
| 154 | DO jk = 1, nlay_s |
---|
| 155 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
---|
| 156 | END DO |
---|
| 157 | DO jk = 1, nlay_i |
---|
| 158 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
---|
| 159 | END DO |
---|
| 160 | IF ( ln_pnd_H12 ) THEN |
---|
| 161 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
---|
| 162 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
---|
| 163 | ENDIF |
---|
[9271] | 164 | END DO |
---|
[11732] | 165 | ! |
---|
| 166 | ! !--------------------------------------------! |
---|
| 167 | IF( MOD( (kt - 1) / nn_fsbc , 2 ) == MOD( (jt - 1) , 2 ) ) THEN !== odd ice time step: adv_x then adv_y ==! |
---|
| 168 | ! !--------------------------------------------! |
---|
| 169 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
---|
| 170 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
---|
| 171 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
---|
| 172 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
---|
| 173 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
---|
| 174 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
---|
| 175 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
---|
| 176 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
---|
| 177 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
---|
| 178 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
---|
[11612] | 179 | ! |
---|
[11732] | 180 | DO jk = 1, nlay_s !--- snow heat content |
---|
| 181 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
---|
| 182 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
---|
| 183 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
---|
| 184 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
---|
[8586] | 185 | END DO |
---|
[11732] | 186 | DO jk = 1, nlay_i !--- ice heat content |
---|
| 187 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
---|
| 188 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
---|
| 189 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
---|
| 190 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
---|
[11612] | 191 | END DO |
---|
| 192 | ! |
---|
| 193 | IF ( ln_pnd_H12 ) THEN |
---|
[11732] | 194 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
---|
| 195 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
---|
| 196 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
---|
| 197 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
---|
[11612] | 198 | ENDIF |
---|
[11732] | 199 | ! !--------------------------------------------! |
---|
| 200 | ELSE !== even ice time step: adv_y then adv_x ==! |
---|
| 201 | ! !--------------------------------------------! |
---|
| 202 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
---|
| 203 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
---|
| 204 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
---|
| 205 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
---|
| 206 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
---|
| 207 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
---|
| 208 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
---|
| 209 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
---|
| 210 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
---|
| 211 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
---|
| 212 | DO jk = 1, nlay_s !--- snow heat content |
---|
| 213 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
---|
| 214 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
---|
| 215 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
---|
| 216 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
---|
[8586] | 217 | END DO |
---|
[11732] | 218 | DO jk = 1, nlay_i !--- ice heat content |
---|
| 219 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
---|
| 220 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
---|
| 221 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
---|
| 222 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
---|
[11612] | 223 | END DO |
---|
| 224 | IF ( ln_pnd_H12 ) THEN |
---|
[11732] | 225 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
---|
| 226 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
---|
| 227 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
---|
| 228 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
---|
[11612] | 229 | ENDIF |
---|
[11732] | 230 | ! |
---|
| 231 | ENDIF |
---|
[8586] | 232 | |
---|
[11732] | 233 | ! --- Recover the properties from their contents --- ! |
---|
| 234 | DO jl = 1, jpl |
---|
| 235 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 236 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 237 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 238 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 239 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 240 | DO jk = 1, nlay_s |
---|
| 241 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 242 | END DO |
---|
| 243 | DO jk = 1, nlay_i |
---|
| 244 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 245 | END DO |
---|
| 246 | IF ( ln_pnd_H12 ) THEN |
---|
| 247 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 248 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
| 249 | ENDIF |
---|
[9271] | 250 | END DO |
---|
[11732] | 251 | ! |
---|
| 252 | ! derive open water from ice concentration |
---|
| 253 | zati2(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
---|
| 254 | DO jj = 2, jpjm1 |
---|
| 255 | DO ji = fs_2, fs_jpim1 |
---|
| 256 | pato_i(ji,jj) = pato_i(ji,jj) - ( zati2(ji,jj) - zati1(ji,jj) ) & !--- open water |
---|
| 257 | & - ( zudy(ji,jj) - zudy(ji-1,jj) + zvdx(ji,jj) - zvdx(ji,jj-1) ) * r1_e1e2t(ji,jj) * zdt |
---|
| 258 | END DO |
---|
[8586] | 259 | END DO |
---|
[11732] | 260 | CALL lbc_lnk( 'icedyn_adv_pra', pato_i, 'T', 1. ) |
---|
| 261 | ! |
---|
| 262 | ! --- Ensure non-negative fields --- ! |
---|
| 263 | ! Remove negative values (conservation is ensured) |
---|
| 264 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
---|
| 265 | 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 ) |
---|
| 266 | ! |
---|
[12197] | 267 | ! --- Make sure ice thickness is not too big --- ! |
---|
| 268 | ! (because ice thickness can be too large where ice concentration is very small) |
---|
| 269 | CALL Hbig( zdt, zhi_max, zhs_max, zhip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 270 | ! |
---|
[11732] | 271 | ! --- Ensure snow load is not too big --- ! |
---|
| 272 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 273 | ! |
---|
[8586] | 274 | END DO |
---|
| 275 | ! |
---|
| 276 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
---|
| 277 | ! |
---|
| 278 | END SUBROUTINE ice_dyn_adv_pra |
---|
| 279 | |
---|
[8817] | 280 | |
---|
[11612] | 281 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
---|
[8586] | 282 | & psx, psxx, psy , psyy, psxy ) |
---|
| 283 | !!---------------------------------------------------------------------- |
---|
| 284 | !! ** routine adv_x ** |
---|
| 285 | !! |
---|
| 286 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 287 | !! variable on x axis |
---|
| 288 | !!---------------------------------------------------------------------- |
---|
[11612] | 289 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
---|
| 290 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
| 291 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
---|
| 292 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 293 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
| 294 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 295 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 296 | !! |
---|
[11612] | 297 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
| 298 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
---|
[8586] | 299 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
| 300 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
| 301 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
---|
| 302 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
---|
| 303 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
| 304 | !----------------------------------------------------------------------- |
---|
[11612] | 305 | ! |
---|
| 306 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
| 307 | ! |
---|
| 308 | DO jl = 1, jcat ! loop on categories |
---|
| 309 | ! |
---|
| 310 | ! Limitation of moments. |
---|
| 311 | DO jj = 2, jpjm1 |
---|
| 312 | DO ji = 1, jpi |
---|
| 313 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
| 314 | psm (ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
---|
| 315 | ! |
---|
| 316 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 317 | zs1max = 1.5 * zslpmax |
---|
| 318 | zs1new = MIN( zs1max, MAX( -zs1max, psx(ji,jj,jl) ) ) |
---|
| 319 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), & |
---|
| 320 | & MAX( ABS( zs1new ) - zslpmax, psxx(ji,jj,jl) ) ) |
---|
| 321 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
[8586] | 322 | |
---|
[11612] | 323 | ps0 (ji,jj,jl) = zslpmax |
---|
| 324 | psx (ji,jj,jl) = zs1new * rswitch |
---|
| 325 | psxx(ji,jj,jl) = zs2new * rswitch |
---|
| 326 | psy (ji,jj,jl) = psy (ji,jj,jl) * rswitch |
---|
| 327 | psyy(ji,jj,jl) = psyy(ji,jj,jl) * rswitch |
---|
| 328 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
---|
| 329 | END DO |
---|
| 330 | END DO |
---|
[8586] | 331 | |
---|
[11612] | 332 | ! Calculate fluxes and moments between boxes i<-->i+1 |
---|
| 333 | DO jj = 2, jpjm1 ! Flux from i to i+1 WHEN u GT 0 |
---|
| 334 | DO ji = 1, jpi |
---|
| 335 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
---|
[11732] | 336 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt / psm(ji,jj,jl) |
---|
[11612] | 337 | zalfq = zalf * zalf |
---|
| 338 | zalf1 = 1.0 - zalf |
---|
| 339 | zalf1q = zalf1 * zalf1 |
---|
| 340 | ! |
---|
| 341 | zfm (ji,jj) = zalf * psm (ji,jj,jl) |
---|
| 342 | zf0 (ji,jj) = zalf * ( ps0 (ji,jj,jl) + zalf1 * ( psx(ji,jj,jl) + (zalf1 - zalf) * psxx(ji,jj,jl) ) ) |
---|
| 343 | zfx (ji,jj) = zalfq * ( psx (ji,jj,jl) + 3.0 * zalf1 * psxx(ji,jj,jl) ) |
---|
| 344 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) * zalfq |
---|
| 345 | zfy (ji,jj) = zalf * ( psy (ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
---|
| 346 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
---|
| 347 | zfyy(ji,jj) = zalf * psyy(ji,jj,jl) |
---|
[8586] | 348 | |
---|
[11612] | 349 | ! Readjust moments remaining in the box. |
---|
| 350 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 351 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 352 | psx (ji,jj,jl) = zalf1q * ( psx(ji,jj,jl) - 3.0 * zalf * psxx(ji,jj,jl) ) |
---|
| 353 | psxx(ji,jj,jl) = zalf1 * zalf1q * psxx(ji,jj,jl) |
---|
| 354 | psy (ji,jj,jl) = psy (ji,jj,jl) - zfy(ji,jj) |
---|
| 355 | psyy(ji,jj,jl) = psyy(ji,jj,jl) - zfyy(ji,jj) |
---|
| 356 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
---|
| 357 | END DO |
---|
[8586] | 358 | END DO |
---|
| 359 | |
---|
[11612] | 360 | DO jj = 2, jpjm1 ! Flux from i+1 to i when u LT 0. |
---|
| 361 | DO ji = 1, fs_jpim1 |
---|
[11732] | 362 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt / psm(ji+1,jj,jl) |
---|
[11612] | 363 | zalg (ji,jj) = zalf |
---|
| 364 | zalfq = zalf * zalf |
---|
| 365 | zalf1 = 1.0 - zalf |
---|
| 366 | zalg1 (ji,jj) = zalf1 |
---|
| 367 | zalf1q = zalf1 * zalf1 |
---|
| 368 | zalg1q(ji,jj) = zalf1q |
---|
| 369 | ! |
---|
| 370 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
---|
| 371 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
---|
| 372 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
---|
| 373 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
---|
| 374 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
---|
| 375 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
---|
| 376 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
---|
| 377 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
---|
| 378 | END DO |
---|
[8586] | 379 | END DO |
---|
| 380 | |
---|
[11612] | 381 | DO jj = 2, jpjm1 ! Readjust moments remaining in the box. |
---|
| 382 | DO ji = fs_2, fs_jpim1 |
---|
| 383 | zbt = zbet(ji-1,jj) |
---|
| 384 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 385 | ! |
---|
| 386 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji-1,jj) ) |
---|
| 387 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji-1,jj) ) |
---|
| 388 | psx (ji,jj,jl) = zalg1q(ji-1,jj) * ( psx(ji,jj,jl) + 3.0 * zalg(ji-1,jj) * psxx(ji,jj,jl) ) |
---|
| 389 | psxx(ji,jj,jl) = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * psxx(ji,jj,jl) |
---|
| 390 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) - zfy (ji-1,jj) ) |
---|
| 391 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) - zfyy(ji-1,jj) ) |
---|
| 392 | psxy(ji,jj,jl) = zalg1q(ji-1,jj) * psxy(ji,jj,jl) |
---|
| 393 | END DO |
---|
[8586] | 394 | END DO |
---|
| 395 | |
---|
[11612] | 396 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
| 397 | DO jj = 2, jpjm1 ! Flux from i to i+1 IF u GT 0. |
---|
| 398 | DO ji = fs_2, fs_jpim1 |
---|
| 399 | zbt = zbet(ji-1,jj) |
---|
| 400 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
| 401 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji-1,jj) ) + zbt1 * psm(ji,jj,jl) |
---|
| 402 | zalf = zbt * zfm(ji-1,jj) / psm(ji,jj,jl) |
---|
| 403 | zalf1 = 1.0 - zalf |
---|
| 404 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji-1,jj) |
---|
| 405 | ! |
---|
| 406 | ps0 (ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji-1,jj) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 407 | psx (ji,jj,jl) = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) + zbt1 * psx(ji,jj,jl) |
---|
| 408 | psxx(ji,jj,jl) = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 409 | & + 5.0 * ( zalf * zalf1 * ( psx (ji,jj,jl) - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
| 410 | & + zbt1 * psxx(ji,jj,jl) |
---|
| 411 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 412 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * psy(ji,jj,jl) ) ) & |
---|
| 413 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 414 | psy (ji,jj,jl) = zbt * ( psy (ji,jj,jl) + zfy (ji-1,jj) ) + zbt1 * psy (ji,jj,jl) |
---|
| 415 | psyy(ji,jj,jl) = zbt * ( psyy(ji,jj,jl) + zfyy(ji-1,jj) ) + zbt1 * psyy(ji,jj,jl) |
---|
| 416 | END DO |
---|
[8586] | 417 | END DO |
---|
| 418 | |
---|
[11612] | 419 | DO jj = 2, jpjm1 ! Flux from i+1 to i IF u LT 0. |
---|
| 420 | DO ji = fs_2, fs_jpim1 |
---|
| 421 | zbt = zbet(ji,jj) |
---|
| 422 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 423 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 424 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 425 | zalf1 = 1.0 - zalf |
---|
| 426 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 427 | ! |
---|
| 428 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 429 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * psx(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 430 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * psxx(ji,jj,jl) & |
---|
| 431 | & + 5.0 * ( zalf * zalf1 * ( - psx(ji,jj,jl) + zfx(ji,jj) ) & |
---|
| 432 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 433 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 434 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * psy(ji,jj,jl) ) ) |
---|
| 435 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( psy (ji,jj,jl) + zfy (ji,jj) ) |
---|
| 436 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( psyy(ji,jj,jl) + zfyy(ji,jj) ) |
---|
| 437 | END DO |
---|
[8586] | 438 | END DO |
---|
| 439 | |
---|
| 440 | END DO |
---|
| 441 | |
---|
| 442 | !-- Lateral boundary conditions |
---|
[11612] | 443 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
---|
| 444 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
---|
| 445 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
---|
[8586] | 446 | ! |
---|
| 447 | END SUBROUTINE adv_x |
---|
| 448 | |
---|
| 449 | |
---|
[11612] | 450 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
---|
[8586] | 451 | & psx, psxx, psy , psyy, psxy ) |
---|
| 452 | !!--------------------------------------------------------------------- |
---|
| 453 | !! ** routine adv_y ** |
---|
| 454 | !! |
---|
| 455 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
| 456 | !! variable on y axis |
---|
| 457 | !!--------------------------------------------------------------------- |
---|
[11612] | 458 | REAL(wp) , INTENT(in ) :: pdt ! time step |
---|
| 459 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
| 460 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
---|
| 461 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
| 462 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
| 463 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
| 464 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
[8586] | 465 | !! |
---|
[11612] | 466 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
| 467 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
---|
[8586] | 468 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
| 469 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
| 470 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
---|
| 471 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
---|
| 472 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
| 473 | !--------------------------------------------------------------------- |
---|
[11612] | 474 | ! |
---|
| 475 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
| 476 | ! |
---|
| 477 | DO jl = 1, jcat ! loop on categories |
---|
| 478 | ! |
---|
| 479 | ! Limitation of moments. |
---|
| 480 | DO jj = 1, jpj |
---|
| 481 | DO ji = fs_2, fs_jpim1 |
---|
| 482 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
| 483 | psm(ji,jj,jl) = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * psm(ji,jj,jl) , epsi20 ) |
---|
| 484 | ! |
---|
| 485 | zslpmax = MAX( 0._wp, ps0(ji,jj,jl) ) |
---|
| 486 | zs1max = 1.5 * zslpmax |
---|
| 487 | zs1new = MIN( zs1max, MAX( -zs1max, psy(ji,jj,jl) ) ) |
---|
| 488 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), & |
---|
| 489 | & MAX( ABS( zs1new )-zslpmax, psyy(ji,jj,jl) ) ) |
---|
| 490 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
| 491 | ! |
---|
| 492 | ps0 (ji,jj,jl) = zslpmax |
---|
| 493 | psx (ji,jj,jl) = psx (ji,jj,jl) * rswitch |
---|
| 494 | psxx(ji,jj,jl) = psxx(ji,jj,jl) * rswitch |
---|
| 495 | psy (ji,jj,jl) = zs1new * rswitch |
---|
| 496 | psyy(ji,jj,jl) = zs2new * rswitch |
---|
| 497 | psxy(ji,jj,jl) = MIN( zslpmax, MAX( -zslpmax, psxy(ji,jj,jl) ) ) * rswitch |
---|
| 498 | END DO |
---|
[8586] | 499 | END DO |
---|
[11612] | 500 | |
---|
| 501 | ! Calculate fluxes and moments between boxes j<-->j+1 |
---|
| 502 | DO jj = 1, jpj ! Flux from j to j+1 WHEN v GT 0 |
---|
| 503 | DO ji = fs_2, fs_jpim1 |
---|
| 504 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
---|
[11732] | 505 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt / psm(ji,jj,jl) |
---|
[11612] | 506 | zalfq = zalf * zalf |
---|
| 507 | zalf1 = 1.0 - zalf |
---|
| 508 | zalf1q = zalf1 * zalf1 |
---|
| 509 | ! |
---|
| 510 | zfm (ji,jj) = zalf * psm(ji,jj,jl) |
---|
| 511 | zf0 (ji,jj) = zalf * ( ps0(ji,jj,jl) + zalf1 * ( psy(ji,jj,jl) + (zalf1-zalf) * psyy(ji,jj,jl) ) ) |
---|
| 512 | zfy (ji,jj) = zalfq *( psy(ji,jj,jl) + 3.0*zalf1*psyy(ji,jj,jl) ) |
---|
| 513 | zfyy(ji,jj) = zalf * zalfq * psyy(ji,jj,jl) |
---|
| 514 | zfx (ji,jj) = zalf * ( psx(ji,jj,jl) + zalf1 * psxy(ji,jj,jl) ) |
---|
| 515 | zfxy(ji,jj) = zalfq * psxy(ji,jj,jl) |
---|
| 516 | zfxx(ji,jj) = zalf * psxx(ji,jj,jl) |
---|
| 517 | ! |
---|
| 518 | ! Readjust moments remaining in the box. |
---|
| 519 | psm (ji,jj,jl) = psm (ji,jj,jl) - zfm(ji,jj) |
---|
| 520 | ps0 (ji,jj,jl) = ps0 (ji,jj,jl) - zf0(ji,jj) |
---|
| 521 | psy (ji,jj,jl) = zalf1q * ( psy(ji,jj,jl) -3.0 * zalf * psyy(ji,jj,jl) ) |
---|
| 522 | psyy(ji,jj,jl) = zalf1 * zalf1q * psyy(ji,jj,jl) |
---|
| 523 | psx (ji,jj,jl) = psx (ji,jj,jl) - zfx(ji,jj) |
---|
| 524 | psxx(ji,jj,jl) = psxx(ji,jj,jl) - zfxx(ji,jj) |
---|
| 525 | psxy(ji,jj,jl) = zalf1q * psxy(ji,jj,jl) |
---|
| 526 | END DO |
---|
[8586] | 527 | END DO |
---|
[11612] | 528 | ! |
---|
| 529 | DO jj = 1, jpjm1 ! Flux from j+1 to j when v LT 0. |
---|
| 530 | DO ji = fs_2, fs_jpim1 |
---|
[11732] | 531 | zalf = MAX( 0._wp, -pvt(ji,jj) ) * pdt / psm(ji,jj+1,jl) |
---|
[11612] | 532 | zalg (ji,jj) = zalf |
---|
| 533 | zalfq = zalf * zalf |
---|
| 534 | zalf1 = 1.0 - zalf |
---|
| 535 | zalg1 (ji,jj) = zalf1 |
---|
| 536 | zalf1q = zalf1 * zalf1 |
---|
| 537 | zalg1q(ji,jj) = zalf1q |
---|
| 538 | ! |
---|
| 539 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
---|
| 540 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
---|
| 541 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
---|
| 542 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
---|
| 543 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
---|
| 544 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
---|
| 545 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
---|
| 546 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
---|
| 547 | END DO |
---|
[8586] | 548 | END DO |
---|
| 549 | |
---|
[11612] | 550 | ! Readjust moments remaining in the box. |
---|
| 551 | DO jj = 2, jpjm1 |
---|
| 552 | DO ji = fs_2, fs_jpim1 |
---|
| 553 | zbt = zbet(ji,jj-1) |
---|
| 554 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
---|
| 555 | ! |
---|
| 556 | psm (ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) - zfm(ji,jj-1) ) |
---|
| 557 | ps0 (ji,jj,jl) = zbt * ps0(ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) - zf0(ji,jj-1) ) |
---|
| 558 | psy (ji,jj,jl) = zalg1q(ji,jj-1) * ( psy(ji,jj,jl) + 3.0 * zalg(ji,jj-1) * psyy(ji,jj,jl) ) |
---|
| 559 | psyy(ji,jj,jl) = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * psyy(ji,jj,jl) |
---|
| 560 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) - zfx (ji,jj-1) ) |
---|
| 561 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) - zfxx(ji,jj-1) ) |
---|
| 562 | psxy(ji,jj,jl) = zalg1q(ji,jj-1) * psxy(ji,jj,jl) |
---|
| 563 | END DO |
---|
[8586] | 564 | END DO |
---|
| 565 | |
---|
[11612] | 566 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
| 567 | DO jj = 2, jpjm1 ! Flux from j to j+1 IF v GT 0. |
---|
| 568 | DO ji = fs_2, fs_jpim1 |
---|
| 569 | zbt = zbet(ji,jj-1) |
---|
| 570 | zbt1 = 1.0 - zbet(ji,jj-1) |
---|
| 571 | psm(ji,jj,jl) = zbt * ( psm(ji,jj,jl) + zfm(ji,jj-1) ) + zbt1 * psm(ji,jj,jl) |
---|
| 572 | zalf = zbt * zfm(ji,jj-1) / psm(ji,jj,jl) |
---|
| 573 | zalf1 = 1.0 - zalf |
---|
| 574 | ztemp = zalf * ps0(ji,jj,jl) - zalf1 * zf0(ji,jj-1) |
---|
| 575 | ! |
---|
| 576 | ps0(ji,jj,jl) = zbt * ( ps0(ji,jj,jl) + zf0(ji,jj-1) ) + zbt1 * ps0(ji,jj,jl) |
---|
| 577 | psy(ji,jj,jl) = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) & |
---|
| 578 | & + zbt1 * psy(ji,jj,jl) |
---|
| 579 | psyy(ji,jj,jl) = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 580 | & + 5.0 * ( zalf * zalf1 * ( psy(ji,jj,jl) - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
| 581 | & + zbt1 * psyy(ji,jj,jl) |
---|
| 582 | psxy(ji,jj,jl) = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * psxy(ji,jj,jl) & |
---|
| 583 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * psx(ji,jj,jl) ) ) & |
---|
| 584 | & + zbt1 * psxy(ji,jj,jl) |
---|
| 585 | psx (ji,jj,jl) = zbt * ( psx (ji,jj,jl) + zfx (ji,jj-1) ) + zbt1 * psx (ji,jj,jl) |
---|
| 586 | psxx(ji,jj,jl) = zbt * ( psxx(ji,jj,jl) + zfxx(ji,jj-1) ) + zbt1 * psxx(ji,jj,jl) |
---|
| 587 | END DO |
---|
[8586] | 588 | END DO |
---|
| 589 | |
---|
[11612] | 590 | DO jj = 2, jpjm1 ! Flux from j+1 to j IF v LT 0. |
---|
| 591 | DO ji = fs_2, fs_jpim1 |
---|
| 592 | zbt = zbet(ji,jj) |
---|
| 593 | zbt1 = 1.0 - zbet(ji,jj) |
---|
| 594 | psm(ji,jj,jl) = zbt * psm(ji,jj,jl) + zbt1 * ( psm(ji,jj,jl) + zfm(ji,jj) ) |
---|
| 595 | zalf = zbt1 * zfm(ji,jj) / psm(ji,jj,jl) |
---|
| 596 | zalf1 = 1.0 - zalf |
---|
| 597 | ztemp = - zalf * ps0(ji,jj,jl) + zalf1 * zf0(ji,jj) |
---|
| 598 | ! |
---|
| 599 | ps0 (ji,jj,jl) = zbt * ps0 (ji,jj,jl) + zbt1 * ( ps0(ji,jj,jl) + zf0(ji,jj) ) |
---|
| 600 | psy (ji,jj,jl) = zbt * psy (ji,jj,jl) + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * psy(ji,jj,jl) + 3.0 * ztemp ) |
---|
| 601 | psyy(ji,jj,jl) = zbt * psyy(ji,jj,jl) + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * psyy(ji,jj,jl) & |
---|
| 602 | & + 5.0 * ( zalf * zalf1 * ( - psy(ji,jj,jl) + zfy(ji,jj) ) & |
---|
| 603 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
| 604 | psxy(ji,jj,jl) = zbt * psxy(ji,jj,jl) + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * psxy(ji,jj,jl) & |
---|
| 605 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * psx(ji,jj,jl) ) ) |
---|
| 606 | psx (ji,jj,jl) = zbt * psx (ji,jj,jl) + zbt1 * ( psx (ji,jj,jl) + zfx (ji,jj) ) |
---|
| 607 | psxx(ji,jj,jl) = zbt * psxx(ji,jj,jl) + zbt1 * ( psxx(ji,jj,jl) + zfxx(ji,jj) ) |
---|
| 608 | END DO |
---|
[8586] | 609 | END DO |
---|
[11612] | 610 | |
---|
[8586] | 611 | END DO |
---|
| 612 | |
---|
| 613 | !-- Lateral boundary conditions |
---|
[11612] | 614 | CALL lbc_lnk_multi( 'icedyn_adv_pra', psm(:,:,1:jcat) , 'T', 1., ps0 , 'T', 1. & |
---|
| 615 | & , psx , 'T', -1., psy , 'T', -1. & ! caution gradient ==> the sign changes |
---|
| 616 | & , psxx , 'T', 1., psyy, 'T', 1. , psxy, 'T', 1. ) |
---|
[8586] | 617 | ! |
---|
| 618 | END SUBROUTINE adv_y |
---|
| 619 | |
---|
[8817] | 620 | |
---|
[12197] | 621 | SUBROUTINE Hbig( pdt, phi_max, phs_max, phip_max, pv_i, pv_s, pa_i, pa_ip, pv_ip, pe_s ) |
---|
| 622 | !!------------------------------------------------------------------- |
---|
| 623 | !! *** ROUTINE Hbig *** |
---|
| 624 | !! |
---|
| 625 | !! ** Purpose : Thickness correction in case advection scheme creates |
---|
| 626 | !! abnormally tick ice or snow |
---|
| 627 | !! |
---|
| 628 | !! ** Method : 1- check whether ice thickness is larger than the surrounding 9-points |
---|
| 629 | !! (before advection) and reduce it by adapting ice concentration |
---|
| 630 | !! 2- check whether snow thickness is larger than the surrounding 9-points |
---|
| 631 | !! (before advection) and reduce it by sending the excess in the ocean |
---|
| 632 | !! |
---|
| 633 | !! ** input : Max thickness of the surrounding 9-points |
---|
| 634 | !!------------------------------------------------------------------- |
---|
| 635 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 636 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: phi_max, phs_max, phip_max ! max ice thick from surrounding 9-pts |
---|
| 637 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip, pv_ip |
---|
| 638 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 639 | ! |
---|
| 640 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 641 | REAL(wp) :: z1_dt, zhip, zhi, zhs, zfra |
---|
| 642 | !!------------------------------------------------------------------- |
---|
| 643 | ! |
---|
| 644 | z1_dt = 1._wp / pdt |
---|
| 645 | ! |
---|
| 646 | DO jl = 1, jpl |
---|
| 647 | |
---|
| 648 | DO jj = 1, jpj |
---|
| 649 | DO ji = 1, jpi |
---|
| 650 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 651 | ! |
---|
| 652 | ! ! -- check h_ip -- ! |
---|
| 653 | ! if h_ip is larger than the surrounding 9 pts => reduce h_ip and increase a_ip |
---|
| 654 | IF( ln_pnd_H12 .AND. pv_ip(ji,jj,jl) > 0._wp ) THEN |
---|
| 655 | zhip = pv_ip(ji,jj,jl) / MAX( epsi20, pa_ip(ji,jj,jl) ) |
---|
| 656 | IF( zhip > phip_max(ji,jj,jl) .AND. pa_ip(ji,jj,jl) < 0.15 ) THEN |
---|
| 657 | pa_ip(ji,jj,jl) = pv_ip(ji,jj,jl) / phip_max(ji,jj,jl) |
---|
| 658 | ENDIF |
---|
| 659 | ENDIF |
---|
| 660 | ! |
---|
| 661 | ! ! -- check h_i -- ! |
---|
| 662 | ! if h_i is larger than the surrounding 9 pts => reduce h_i and increase a_i |
---|
| 663 | zhi = pv_i(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 664 | IF( zhi > phi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 665 | 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) |
---|
| 666 | ENDIF |
---|
| 667 | ! |
---|
| 668 | ! ! -- check h_s -- ! |
---|
| 669 | ! if h_s is larger than the surrounding 9 pts => put the snow excess in the ocean |
---|
| 670 | zhs = pv_s(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
| 671 | IF( pv_s(ji,jj,jl) > 0._wp .AND. zhs > phs_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
| 672 | zfra = phs_max(ji,jj,jl) / MAX( zhs, epsi20 ) |
---|
| 673 | ! |
---|
| 674 | 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 |
---|
| 675 | 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 |
---|
| 676 | ! |
---|
| 677 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 678 | pv_s(ji,jj,jl) = pa_i(ji,jj,jl) * phs_max(ji,jj,jl) |
---|
| 679 | ENDIF |
---|
| 680 | ! |
---|
| 681 | ENDIF |
---|
| 682 | END DO |
---|
| 683 | END DO |
---|
| 684 | END DO |
---|
| 685 | ! |
---|
| 686 | END SUBROUTINE Hbig |
---|
| 687 | |
---|
| 688 | |
---|
[11632] | 689 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
| 690 | !!------------------------------------------------------------------- |
---|
| 691 | !! *** ROUTINE Hsnow *** |
---|
| 692 | !! |
---|
| 693 | !! ** Purpose : 1- Check snow load after advection |
---|
| 694 | !! 2- Correct pond concentration to avoid a_ip > a_i |
---|
| 695 | !! |
---|
| 696 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
---|
| 697 | !! then put the snow excess in the ocean |
---|
| 698 | !! |
---|
| 699 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
---|
| 700 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
---|
| 701 | !! make the snow very thick (if concentration decreases drastically) |
---|
| 702 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
---|
| 703 | !!------------------------------------------------------------------- |
---|
| 704 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
| 705 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
---|
| 706 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
| 707 | ! |
---|
| 708 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 709 | REAL(wp) :: z1_dt, zvs_excess, zfra |
---|
| 710 | !!------------------------------------------------------------------- |
---|
| 711 | ! |
---|
| 712 | z1_dt = 1._wp / pdt |
---|
| 713 | ! |
---|
| 714 | ! -- check snow load -- ! |
---|
| 715 | DO jl = 1, jpl |
---|
| 716 | DO jj = 1, jpj |
---|
| 717 | DO ji = 1, jpi |
---|
| 718 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
| 719 | ! |
---|
| 720 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rau0-rhoi) * r1_rhos ) |
---|
| 721 | ! |
---|
| 722 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
---|
| 723 | ! put snow excess in the ocean |
---|
| 724 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
---|
| 725 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
---|
| 726 | 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 |
---|
| 727 | ! correct snow volume and heat content |
---|
| 728 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
| 729 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
---|
| 730 | ENDIF |
---|
| 731 | ! |
---|
| 732 | ENDIF |
---|
| 733 | END DO |
---|
| 734 | END DO |
---|
| 735 | END DO |
---|
| 736 | ! |
---|
| 737 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
---|
| 738 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
---|
| 739 | ! |
---|
| 740 | END SUBROUTINE Hsnow |
---|
| 741 | |
---|
| 742 | |
---|
[8586] | 743 | SUBROUTINE adv_pra_init |
---|
| 744 | !!------------------------------------------------------------------- |
---|
| 745 | !! *** ROUTINE adv_pra_init *** |
---|
| 746 | !! |
---|
| 747 | !! ** Purpose : allocate and initialize arrays for Prather advection |
---|
| 748 | !!------------------------------------------------------------------- |
---|
| 749 | INTEGER :: ierr |
---|
| 750 | !!------------------------------------------------------------------- |
---|
[8817] | 751 | ! |
---|
| 752 | ! !* allocate prather fields |
---|
[11732] | 753 | ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
---|
[8586] | 754 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
---|
| 755 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
---|
| 756 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
---|
| 757 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
---|
| 758 | & sxap(jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
---|
| 759 | & sxvp(jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
---|
[9271] | 760 | ! |
---|
| 761 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 762 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
---|
| 763 | ! |
---|
| 764 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
---|
| 765 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
---|
[8586] | 766 | & STAT = ierr ) |
---|
| 767 | ! |
---|
[10425] | 768 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
---|
[8586] | 769 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
---|
| 770 | ! |
---|
[8817] | 771 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
---|
[8586] | 772 | ! |
---|
| 773 | END SUBROUTINE adv_pra_init |
---|
| 774 | |
---|
[8817] | 775 | |
---|
[8586] | 776 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
---|
| 777 | !!--------------------------------------------------------------------- |
---|
| 778 | !! *** ROUTINE adv_pra_rst *** |
---|
| 779 | !! |
---|
[11612] | 780 | !! ** Purpose : Read or write file in restart file |
---|
[8586] | 781 | !! |
---|
| 782 | !! ** Method : use of IOM library |
---|
| 783 | !!---------------------------------------------------------------------- |
---|
| 784 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
| 785 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
---|
| 786 | ! |
---|
| 787 | INTEGER :: jk, jl ! dummy loop indices |
---|
| 788 | INTEGER :: iter ! local integer |
---|
| 789 | INTEGER :: id1 ! local integer |
---|
| 790 | CHARACTER(len=25) :: znam |
---|
| 791 | CHARACTER(len=2) :: zchar, zchar1 |
---|
[8817] | 792 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
---|
[8586] | 793 | !!---------------------------------------------------------------------- |
---|
| 794 | ! |
---|
[8817] | 795 | ! !==========================! |
---|
| 796 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
---|
| 797 | ! !==========================! |
---|
| 798 | ! |
---|
[11732] | 799 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxice' , ldstop = .FALSE. ) ! file exist: id1>0 |
---|
[8817] | 800 | ELSE ; id1 = 0 ! no restart: id1=0 |
---|
| 801 | ENDIF |
---|
| 802 | ! |
---|
| 803 | IF( id1 > 0 ) THEN !** Read the restart file **! |
---|
[8586] | 804 | ! |
---|
[8817] | 805 | ! ! ice thickness |
---|
| 806 | CALL iom_get( numrir, jpdom_autoglo, 'sxice' , sxice ) |
---|
| 807 | CALL iom_get( numrir, jpdom_autoglo, 'syice' , syice ) |
---|
| 808 | CALL iom_get( numrir, jpdom_autoglo, 'sxxice', sxxice ) |
---|
| 809 | CALL iom_get( numrir, jpdom_autoglo, 'syyice', syyice ) |
---|
| 810 | CALL iom_get( numrir, jpdom_autoglo, 'sxyice', sxyice ) |
---|
| 811 | ! ! snow thickness |
---|
| 812 | CALL iom_get( numrir, jpdom_autoglo, 'sxsn' , sxsn ) |
---|
| 813 | CALL iom_get( numrir, jpdom_autoglo, 'sysn' , sysn ) |
---|
| 814 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsn' , sxxsn ) |
---|
| 815 | CALL iom_get( numrir, jpdom_autoglo, 'syysn' , syysn ) |
---|
| 816 | CALL iom_get( numrir, jpdom_autoglo, 'sxysn' , sxysn ) |
---|
[11627] | 817 | ! ! ice concentration |
---|
[8817] | 818 | CALL iom_get( numrir, jpdom_autoglo, 'sxa' , sxa ) |
---|
| 819 | CALL iom_get( numrir, jpdom_autoglo, 'sya' , sya ) |
---|
| 820 | CALL iom_get( numrir, jpdom_autoglo, 'sxxa' , sxxa ) |
---|
| 821 | CALL iom_get( numrir, jpdom_autoglo, 'syya' , syya ) |
---|
| 822 | CALL iom_get( numrir, jpdom_autoglo, 'sxya' , sxya ) |
---|
| 823 | ! ! ice salinity |
---|
| 824 | CALL iom_get( numrir, jpdom_autoglo, 'sxsal' , sxsal ) |
---|
| 825 | CALL iom_get( numrir, jpdom_autoglo, 'sysal' , sysal ) |
---|
| 826 | CALL iom_get( numrir, jpdom_autoglo, 'sxxsal', sxxsal ) |
---|
| 827 | CALL iom_get( numrir, jpdom_autoglo, 'syysal', syysal ) |
---|
| 828 | CALL iom_get( numrir, jpdom_autoglo, 'sxysal', sxysal ) |
---|
| 829 | ! ! ice age |
---|
| 830 | CALL iom_get( numrir, jpdom_autoglo, 'sxage' , sxage ) |
---|
| 831 | CALL iom_get( numrir, jpdom_autoglo, 'syage' , syage ) |
---|
| 832 | CALL iom_get( numrir, jpdom_autoglo, 'sxxage', sxxage ) |
---|
| 833 | CALL iom_get( numrir, jpdom_autoglo, 'syyage', syyage ) |
---|
| 834 | CALL iom_get( numrir, jpdom_autoglo, 'sxyage', sxyage ) |
---|
[9271] | 835 | ! ! snow layers heat content |
---|
| 836 | DO jk = 1, nlay_s |
---|
| 837 | WRITE(zchar1,'(I2.2)') jk |
---|
| 838 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
---|
| 839 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
---|
| 840 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
---|
| 841 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
---|
| 842 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
---|
| 843 | END DO |
---|
[8817] | 844 | ! ! ice layers heat content |
---|
[9271] | 845 | DO jk = 1, nlay_i |
---|
[8817] | 846 | WRITE(zchar1,'(I2.2)') jk |
---|
[9123] | 847 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
---|
| 848 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sye (:,:,jk,:) = z3d(:,:,:) |
---|
| 849 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
---|
| 850 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
---|
| 851 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_autoglo, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
---|
[8817] | 852 | END DO |
---|
[8586] | 853 | ! |
---|
[8817] | 854 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
---|
| 855 | CALL iom_get( numrir, jpdom_autoglo, 'sxap' , sxap ) |
---|
| 856 | CALL iom_get( numrir, jpdom_autoglo, 'syap' , syap ) |
---|
| 857 | CALL iom_get( numrir, jpdom_autoglo, 'sxxap', sxxap ) |
---|
| 858 | CALL iom_get( numrir, jpdom_autoglo, 'syyap', syyap ) |
---|
| 859 | CALL iom_get( numrir, jpdom_autoglo, 'sxyap', sxyap ) |
---|
| 860 | ! ! melt pond volume |
---|
| 861 | CALL iom_get( numrir, jpdom_autoglo, 'sxvp' , sxvp ) |
---|
| 862 | CALL iom_get( numrir, jpdom_autoglo, 'syvp' , syvp ) |
---|
| 863 | CALL iom_get( numrir, jpdom_autoglo, 'sxxvp', sxxvp ) |
---|
| 864 | CALL iom_get( numrir, jpdom_autoglo, 'syyvp', syyvp ) |
---|
| 865 | CALL iom_get( numrir, jpdom_autoglo, 'sxyvp', sxyvp ) |
---|
[8586] | 866 | ENDIF |
---|
| 867 | ! |
---|
[8817] | 868 | ELSE !** start rheology from rest **! |
---|
| 869 | ! |
---|
| 870 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
---|
| 871 | ! |
---|
| 872 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
---|
| 873 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
---|
[11627] | 874 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
---|
[8817] | 875 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
---|
| 876 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
---|
[9271] | 877 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
---|
[8817] | 878 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
---|
| 879 | IF( ln_pnd_H12 ) THEN |
---|
| 880 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
---|
| 881 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
---|
[8586] | 882 | ENDIF |
---|
| 883 | ENDIF |
---|
| 884 | ! |
---|
[8817] | 885 | ! !=====================================! |
---|
| 886 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
---|
| 887 | ! !=====================================! |
---|
| 888 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
---|
[8586] | 889 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
---|
| 890 | ! |
---|
[8817] | 891 | ! |
---|
| 892 | ! In case Prather scheme is used for advection, write second order moments |
---|
| 893 | ! ------------------------------------------------------------------------ |
---|
| 894 | ! |
---|
| 895 | ! ! ice thickness |
---|
| 896 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
---|
| 897 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
---|
| 898 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
---|
| 899 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
---|
| 900 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
---|
| 901 | ! ! snow thickness |
---|
| 902 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
---|
| 903 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
---|
| 904 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
---|
| 905 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
---|
| 906 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
---|
[11627] | 907 | ! ! ice concentration |
---|
[8817] | 908 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
---|
| 909 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
---|
| 910 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
---|
| 911 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
---|
| 912 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
---|
| 913 | ! ! ice salinity |
---|
| 914 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
---|
| 915 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
---|
| 916 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
---|
| 917 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
---|
| 918 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
---|
| 919 | ! ! ice age |
---|
| 920 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
---|
| 921 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
---|
| 922 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
---|
| 923 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
---|
| 924 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
---|
[9271] | 925 | ! ! snow layers heat content |
---|
| 926 | DO jk = 1, nlay_s |
---|
| 927 | WRITE(zchar1,'(I2.2)') jk |
---|
| 928 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 929 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 930 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 931 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 932 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 933 | END DO |
---|
[8817] | 934 | ! ! ice layers heat content |
---|
[9271] | 935 | DO jk = 1, nlay_i |
---|
[8817] | 936 | WRITE(zchar1,'(I2.2)') jk |
---|
[9123] | 937 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 938 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 939 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 940 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
| 941 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
[8586] | 942 | END DO |
---|
[8817] | 943 | ! |
---|
| 944 | IF( ln_pnd_H12 ) THEN ! melt pond fraction |
---|
| 945 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
---|
| 946 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
---|
| 947 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
---|
| 948 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
---|
| 949 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
---|
| 950 | ! ! melt pond volume |
---|
| 951 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
---|
| 952 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
---|
| 953 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
---|
| 954 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
---|
| 955 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
---|
[8586] | 956 | ENDIF |
---|
| 957 | ! |
---|
| 958 | ENDIF |
---|
| 959 | ! |
---|
| 960 | END SUBROUTINE adv_pra_rst |
---|
| 961 | |
---|
| 962 | #else |
---|
| 963 | !!---------------------------------------------------------------------- |
---|
[9570] | 964 | !! Default option Dummy module NO SI3 sea-ice model |
---|
[8586] | 965 | !!---------------------------------------------------------------------- |
---|
| 966 | #endif |
---|
| 967 | |
---|
| 968 | !!====================================================================== |
---|
| 969 | END MODULE icedyn_adv_pra |
---|