[358] | 1 | MODULE dynspg_ts |
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[9023] | 2 | |
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[10919] | 3 | !! Includes ROMS wd scheme with diagnostic outputs ; puu(:,:,:,Kmm) and puu(:,:,:,Krhs) updates are commented out ! |
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[9023] | 4 | |
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[358] | 5 | !!====================================================================== |
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[6140] | 6 | !! *** MODULE dynspg_ts *** |
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| 7 | !! Ocean dynamics: surface pressure gradient trend, split-explicit scheme |
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| 8 | !!====================================================================== |
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[1502] | 9 | !! History : 1.0 ! 2004-12 (L. Bessieres, G. Madec) Original code |
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| 10 | !! - ! 2005-11 (V. Garnier, G. Madec) optimization |
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| 11 | !! - ! 2006-08 (S. Masson) distributed restart using iom |
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| 12 | !! 2.0 ! 2007-07 (D. Storkey) calls to BDY routines |
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| 13 | !! - ! 2008-01 (R. Benshila) change averaging method |
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| 14 | !! 3.2 ! 2009-07 (R. Benshila, G. Madec) Complete revisit associated to vvl reactivation |
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[2528] | 15 | !! 3.3 ! 2010-09 (D. Storkey, E. O'Dea) update for BDY for Shelf configurations |
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[2724] | 16 | !! 3.3 ! 2011-03 (R. Benshila, R. Hordoir, P. Oddo) update calculation of ub_b |
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[4292] | 17 | !! 3.5 ! 2013-07 (J. Chanut) Switch to Forward-backward time stepping |
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| 18 | !! 3.6 ! 2013-11 (A. Coward) Update for z-tilde compatibility |
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[5930] | 19 | !! 3.7 ! 2015-11 (J. Chanut) free surface simplification |
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[7646] | 20 | !! - ! 2016-12 (G. Madec, E. Clementi) update for Stoke-Drift divergence |
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[9019] | 21 | !! 4.0 ! 2017-05 (G. Madec) drag coef. defined at t-point (zdfdrg.F90) |
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[2724] | 22 | !!--------------------------------------------------------------------- |
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[6140] | 23 | |
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[358] | 24 | !!---------------------------------------------------------------------- |
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[6140] | 25 | !! dyn_spg_ts : compute surface pressure gradient trend using a time-splitting scheme |
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| 26 | !! dyn_spg_ts_init: initialisation of the time-splitting scheme |
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| 27 | !! ts_wgt : set time-splitting weights for temporal averaging (or not) |
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| 28 | !! ts_rst : read/write time-splitting fields in restart file |
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[358] | 29 | !!---------------------------------------------------------------------- |
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| 30 | USE oce ! ocean dynamics and tracers |
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| 31 | USE dom_oce ! ocean space and time domain |
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[888] | 32 | USE sbc_oce ! surface boundary condition: ocean |
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[9019] | 33 | USE zdf_oce ! vertical physics: variables |
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| 34 | USE zdfdrg ! vertical physics: top/bottom drag coef. |
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[5120] | 35 | USE sbcisf ! ice shelf variable (fwfisf) |
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[6140] | 36 | USE sbcapr ! surface boundary condition: atmospheric pressure |
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| 37 | USE dynadv , ONLY: ln_dynadv_vec |
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[9528] | 38 | USE dynvor ! vortivity scheme indicators |
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[358] | 39 | USE phycst ! physical constants |
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| 40 | USE dynvor ! vorticity term |
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[6152] | 41 | USE wet_dry ! wetting/drying flux limter |
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[7646] | 42 | USE bdy_oce ! open boundary |
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[10481] | 43 | USE bdyvol ! open boundary volume conservation |
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[5930] | 44 | USE bdytides ! open boundary condition data |
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[3294] | 45 | USE bdydyn2d ! open boundary conditions on barotropic variables |
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[4292] | 46 | USE sbctide ! tides |
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| 47 | USE updtide ! tide potential |
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[7646] | 48 | USE sbcwave ! surface wave |
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[9019] | 49 | USE diatmb ! Top,middle,bottom output |
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| 50 | #if defined key_agrif |
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[9570] | 51 | USE agrif_oce_interp ! agrif |
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[9124] | 52 | USE agrif_oce |
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[9019] | 53 | #endif |
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| 54 | #if defined key_asminc |
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| 55 | USE asminc ! Assimilation increment |
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| 56 | #endif |
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[6140] | 57 | ! |
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| 58 | USE in_out_manager ! I/O manager |
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[358] | 59 | USE lib_mpp ! distributed memory computing library |
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| 60 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 61 | USE prtctl ! Print control |
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[2715] | 62 | USE iom ! IOM library |
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[4292] | 63 | USE restart ! only for lrst_oce |
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[9023] | 64 | USE diatmb ! Top,middle,bottom output |
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[358] | 65 | |
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| 66 | IMPLICIT NONE |
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| 67 | PRIVATE |
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| 68 | |
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[9124] | 69 | PUBLIC dyn_spg_ts ! called by dyn_spg |
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| 70 | PUBLIC dyn_spg_ts_init ! - - dyn_spg_init |
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[358] | 71 | |
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[9019] | 72 | !! Time filtered arrays at baroclinic time step: |
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| 73 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: un_adv , vn_adv !: Advection vel. at "now" barocl. step |
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[9124] | 74 | ! |
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[9023] | 75 | INTEGER, SAVE :: icycle ! Number of barotropic sub-steps for each internal step nn_baro <= 2.5 nn_baro |
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| 76 | REAL(wp),SAVE :: rdtbt ! Barotropic time step |
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[9019] | 77 | ! |
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| 78 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:) :: wgtbtp1, wgtbtp2 ! 1st & 2nd weights used in time filtering of barotropic fields |
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[9124] | 79 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zwz ! ff_f/h at F points |
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| 80 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ftnw, ftne ! triad of coriolis parameter |
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| 81 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ftsw, ftse ! (only used with een vorticity scheme) |
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[4292] | 82 | |
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[9043] | 83 | REAL(wp) :: r1_12 = 1._wp / 12._wp ! local ratios |
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| 84 | REAL(wp) :: r1_8 = 0.125_wp ! |
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| 85 | REAL(wp) :: r1_4 = 0.25_wp ! |
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| 86 | REAL(wp) :: r1_2 = 0.5_wp ! |
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[508] | 87 | |
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[358] | 88 | !! * Substitutions |
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| 89 | # include "vectopt_loop_substitute.h90" |
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[2715] | 90 | !!---------------------------------------------------------------------- |
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[9598] | 91 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5217] | 92 | !! $Id$ |
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[10068] | 93 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[2715] | 94 | !!---------------------------------------------------------------------- |
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[358] | 95 | CONTAINS |
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| 96 | |
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[2715] | 97 | INTEGER FUNCTION dyn_spg_ts_alloc() |
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| 98 | !!---------------------------------------------------------------------- |
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| 99 | !! *** routine dyn_spg_ts_alloc *** |
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| 100 | !!---------------------------------------------------------------------- |
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[6140] | 101 | INTEGER :: ierr(3) |
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[4292] | 102 | !!---------------------------------------------------------------------- |
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| 103 | ierr(:) = 0 |
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[6140] | 104 | ! |
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| 105 | ALLOCATE( wgtbtp1(3*nn_baro), wgtbtp2(3*nn_baro), zwz(jpi,jpj), STAT=ierr(1) ) |
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| 106 | ! |
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[9528] | 107 | IF( ln_dynvor_een .OR. ln_dynvor_eeT ) & |
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| 108 | & ALLOCATE( ftnw(jpi,jpj) , ftne(jpi,jpj) , & |
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| 109 | & ftsw(jpi,jpj) , ftse(jpi,jpj) , STAT=ierr(2) ) |
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[6140] | 110 | ! |
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| 111 | ALLOCATE( un_adv(jpi,jpj), vn_adv(jpi,jpj) , STAT=ierr(3) ) |
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| 112 | ! |
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| 113 | dyn_spg_ts_alloc = MAXVAL( ierr(:) ) |
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| 114 | ! |
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[10425] | 115 | CALL mpp_sum( 'dynspg_ts', dyn_spg_ts_alloc ) |
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| 116 | IF( dyn_spg_ts_alloc /= 0 ) CALL ctl_stop( 'STOP', 'dyn_spg_ts_alloc: failed to allocate arrays' ) |
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[2715] | 117 | ! |
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| 118 | END FUNCTION dyn_spg_ts_alloc |
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| 119 | |
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[5836] | 120 | |
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[10919] | 121 | SUBROUTINE dyn_spg_ts( kt, Kbb, Kmm, Krhs, puu, pvv, pssh, puu_b, pvv_b, Kaa ) |
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[358] | 122 | !!---------------------------------------------------------------------- |
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| 123 | !! |
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[6140] | 124 | !! ** Purpose : - Compute the now trend due to the explicit time stepping |
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| 125 | !! of the quasi-linear barotropic system, and add it to the |
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| 126 | !! general momentum trend. |
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[358] | 127 | !! |
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[6140] | 128 | !! ** Method : - split-explicit schem (time splitting) : |
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[4374] | 129 | !! Barotropic variables are advanced from internal time steps |
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| 130 | !! "n" to "n+1" if ln_bt_fw=T |
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| 131 | !! or from |
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| 132 | !! "n-1" to "n+1" if ln_bt_fw=F |
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| 133 | !! thanks to a generalized forward-backward time stepping (see ref. below). |
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[358] | 134 | !! |
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[4374] | 135 | !! ** Action : |
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[10919] | 136 | !! -Update the filtered free surface at step "n+1" : pssh(:,:,Kaa) |
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| 137 | !! -Update filtered barotropic velocities at step "n+1" : puu_b(:,:,:,Kaa), vv_b(:,:,:,Kaa) |
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[9023] | 138 | !! -Compute barotropic advective fluxes at step "n" : un_adv, vn_adv |
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[4374] | 139 | !! These are used to advect tracers and are compliant with discrete |
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| 140 | !! continuity equation taken at the baroclinic time steps. This |
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| 141 | !! ensures tracers conservation. |
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[10919] | 142 | !! - (puu(:,:,:,Krhs), pvv(:,:,:,Krhs)) momentum trend updated with barotropic component. |
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[358] | 143 | !! |
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[6140] | 144 | !! References : Shchepetkin and McWilliams, Ocean Modelling, 2005. |
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[358] | 145 | !!--------------------------------------------------------------------- |
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[10919] | 146 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
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| 147 | INTEGER , INTENT( in ) :: Kbb, Kmm, Krhs, Kaa ! ocean time level indices |
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| 148 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
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| 149 | REAL(wp), DIMENSION(jpi,jpj,jpt) , INTENT(inout) :: pssh, puu_b, pvv_b ! SSH and barotropic velocities at main time levels |
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[2715] | 150 | ! |
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[9554] | 151 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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[9019] | 152 | LOGICAL :: ll_fw_start ! =T : forward integration |
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[9554] | 153 | LOGICAL :: ll_init ! =T : special startup of 2d equations |
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[9019] | 154 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables used in W/D |
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| 155 | INTEGER :: ikbu, iktu, noffset ! local integers |
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| 156 | INTEGER :: ikbv, iktv ! - - |
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[9554] | 157 | REAL(wp) :: r1_2dt_b, z2dt_bf ! local scalars |
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[9528] | 158 | REAL(wp) :: zx1, zx2, zu_spg, zhura, z1_hu ! - - |
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| 159 | REAL(wp) :: zy1, zy2, zv_spg, zhvra, z1_hv ! - - |
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| 160 | REAL(wp) :: za0, za1, za2, za3 ! - - |
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| 161 | REAL(wp) :: zmdi, zztmp , z1_ht ! - - |
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[9019] | 162 | REAL(wp), DIMENSION(jpi,jpj) :: zsshp2_e, zhf |
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| 163 | REAL(wp), DIMENSION(jpi,jpj) :: zwx, zu_trd, zu_frc, zssh_frc |
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| 164 | REAL(wp), DIMENSION(jpi,jpj) :: zwy, zv_trd, zv_frc, zhdiv |
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[9528] | 165 | REAL(wp), DIMENSION(jpi,jpj) :: zsshu_a, zhup2_e, zhust_e, zhtp2_e |
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[9019] | 166 | REAL(wp), DIMENSION(jpi,jpj) :: zsshv_a, zhvp2_e, zhvst_e |
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| 167 | REAL(wp), DIMENSION(jpi,jpj) :: zCdU_u, zCdU_v ! top/bottom stress at u- & v-points |
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[3294] | 168 | ! |
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[9023] | 169 | REAL(wp) :: zwdramp ! local scalar - only used if ln_wd_dl = .True. |
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| 170 | |
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| 171 | INTEGER :: iwdg, jwdg, kwdg ! short-hand values for the indices of the output point |
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| 172 | |
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| 173 | REAL(wp) :: zepsilon, zgamma ! - - |
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[9019] | 174 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zcpx, zcpy ! Wetting/Dying gravity filter coef. |
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[9023] | 175 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: ztwdmask, zuwdmask, zvwdmask ! ROMS wetting and drying masks at t,u,v points |
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| 176 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zuwdav2, zvwdav2 ! averages over the sub-steps of zuwdmask and zvwdmask |
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[358] | 177 | !!---------------------------------------------------------------------- |
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[3294] | 178 | ! |
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[9023] | 179 | IF( ln_wd_il ) ALLOCATE( zcpx(jpi,jpj), zcpy(jpi,jpj) ) |
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| 180 | ! !* Allocate temporary arrays |
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| 181 | IF( ln_wd_dl ) ALLOCATE( ztwdmask(jpi,jpj), zuwdmask(jpi,jpj), zvwdmask(jpi,jpj), zuwdav2(jpi,jpj), zvwdav2(jpi,jpj)) |
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[3294] | 182 | ! |
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[6140] | 183 | zmdi=1.e+20 ! missing data indicator for masking |
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[9019] | 184 | ! |
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[9023] | 185 | zwdramp = r_rn_wdmin1 ! simplest ramp |
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| 186 | ! zwdramp = 1._wp / (rn_wdmin2 - rn_wdmin1) ! more general ramp |
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| 187 | ! ! reciprocal of baroclinic time step |
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[6140] | 188 | IF( kt == nit000 .AND. neuler == 0 ) THEN ; z2dt_bf = rdt |
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| 189 | ELSE ; z2dt_bf = 2.0_wp * rdt |
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[4292] | 190 | ENDIF |
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[9043] | 191 | r1_2dt_b = 1.0_wp / z2dt_bf |
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[4292] | 192 | ! |
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[9023] | 193 | ll_init = ln_bt_av ! if no time averaging, then no specific restart |
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[4292] | 194 | ll_fw_start = .FALSE. |
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[9023] | 195 | ! ! time offset in steps for bdy data update |
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[6140] | 196 | IF( .NOT.ln_bt_fw ) THEN ; noffset = - nn_baro |
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| 197 | ELSE ; noffset = 0 |
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| 198 | ENDIF |
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[4292] | 199 | ! |
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[9023] | 200 | IF( kt == nit000 ) THEN !* initialisation |
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[508] | 201 | ! |
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[358] | 202 | IF(lwp) WRITE(numout,*) |
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| 203 | IF(lwp) WRITE(numout,*) 'dyn_spg_ts : surface pressure gradient trend' |
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| 204 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~ free surface with time splitting' |
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[4354] | 205 | IF(lwp) WRITE(numout,*) |
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[1502] | 206 | ! |
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[6140] | 207 | IF( neuler == 0 ) ll_init=.TRUE. |
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[1502] | 208 | ! |
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[6140] | 209 | IF( ln_bt_fw .OR. neuler == 0 ) THEN |
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| 210 | ll_fw_start =.TRUE. |
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| 211 | noffset = 0 |
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[4292] | 212 | ELSE |
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[6140] | 213 | ll_fw_start =.FALSE. |
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[4292] | 214 | ENDIF |
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| 215 | ! |
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| 216 | ! Set averaging weights and cycle length: |
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[6140] | 217 | CALL ts_wgt( ln_bt_av, ll_fw_start, icycle, wgtbtp1, wgtbtp2 ) |
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[4292] | 218 | ! |
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| 219 | ENDIF |
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| 220 | ! |
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[9019] | 221 | IF( ln_isfcav ) THEN ! top+bottom friction (ocean cavities) |
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| 222 | DO jj = 2, jpjm1 |
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| 223 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[9112] | 224 | zCdU_u(ji,jj) = r1_2*( rCdU_bot(ji+1,jj)+rCdU_bot(ji,jj) + rCdU_top(ji+1,jj)+rCdU_top(ji,jj) ) |
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| 225 | zCdU_v(ji,jj) = r1_2*( rCdU_bot(ji,jj+1)+rCdU_bot(ji,jj) + rCdU_top(ji,jj+1)+rCdU_top(ji,jj) ) |
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[9019] | 226 | END DO |
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| 227 | END DO |
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| 228 | ELSE ! bottom friction only |
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| 229 | DO jj = 2, jpjm1 |
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| 230 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[9112] | 231 | zCdU_u(ji,jj) = r1_2*( rCdU_bot(ji+1,jj)+rCdU_bot(ji,jj) ) |
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| 232 | zCdU_v(ji,jj) = r1_2*( rCdU_bot(ji,jj+1)+rCdU_bot(ji,jj) ) |
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[9019] | 233 | END DO |
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| 234 | END DO |
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| 235 | ENDIF |
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| 236 | ! |
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[4292] | 237 | ! Set arrays to remove/compute coriolis trend. |
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| 238 | ! Do it once at kt=nit000 if volume is fixed, else at each long time step. |
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| 239 | ! Note that these arrays are also used during barotropic loop. These are however frozen |
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[4374] | 240 | ! although they should be updated in the variable volume case. Not a big approximation. |
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[4292] | 241 | ! To remove this approximation, copy lines below inside barotropic loop |
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[4374] | 242 | ! and update depths at T-F points (ht and zhf resp.) at each barotropic time step |
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[4292] | 243 | ! |
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[6140] | 244 | IF( kt == nit000 .OR. .NOT.ln_linssh ) THEN |
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[9528] | 245 | ! |
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| 246 | SELECT CASE( nvor_scheme ) |
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| 247 | CASE( np_EEN ) != EEN scheme using e3f (energy & enstrophy scheme) |
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[7646] | 248 | SELECT CASE( nn_een_e3f ) !* ff_f/e3 at F-point |
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[5836] | 249 | CASE ( 0 ) ! original formulation (masked averaging of e3t divided by 4) |
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| 250 | DO jj = 1, jpjm1 |
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| 251 | DO ji = 1, jpim1 |
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[6140] | 252 | zwz(ji,jj) = ( ht_n(ji ,jj+1) + ht_n(ji+1,jj+1) + & |
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| 253 | & ht_n(ji ,jj ) + ht_n(ji+1,jj ) ) * 0.25_wp |
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[7646] | 254 | IF( zwz(ji,jj) /= 0._wp ) zwz(ji,jj) = ff_f(ji,jj) / zwz(ji,jj) |
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[5836] | 255 | END DO |
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[5032] | 256 | END DO |
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[5836] | 257 | CASE ( 1 ) ! new formulation (masked averaging of e3t divided by the sum of mask) |
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| 258 | DO jj = 1, jpjm1 |
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| 259 | DO ji = 1, jpim1 |
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[9528] | 260 | zwz(ji,jj) = ( ht_n (ji ,jj+1) + ht_n (ji+1,jj+1) & |
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| 261 | & + ht_n (ji ,jj ) + ht_n (ji+1,jj ) ) & |
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| 262 | & / ( MAX( 1._wp, ssmask(ji ,jj+1) + ssmask(ji+1,jj+1) & |
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| 263 | & + ssmask(ji ,jj ) + ssmask(ji+1,jj ) ) ) |
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[7646] | 264 | IF( zwz(ji,jj) /= 0._wp ) zwz(ji,jj) = ff_f(ji,jj) / zwz(ji,jj) |
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[5836] | 265 | END DO |
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[4292] | 266 | END DO |
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[5836] | 267 | END SELECT |
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[10425] | 268 | CALL lbc_lnk( 'dynspg_ts', zwz, 'F', 1._wp ) |
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[5836] | 269 | ! |
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[7753] | 270 | ftne(1,:) = 0._wp ; ftnw(1,:) = 0._wp ; ftse(1,:) = 0._wp ; ftsw(1,:) = 0._wp |
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[358] | 271 | DO jj = 2, jpj |
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[5836] | 272 | DO ji = 2, jpi |
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[4292] | 273 | ftne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
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| 274 | ftnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
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| 275 | ftse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
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| 276 | ftsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
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[358] | 277 | END DO |
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| 278 | END DO |
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[5836] | 279 | ! |
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[9528] | 280 | CASE( np_EET ) != EEN scheme using e3t (energy conserving scheme) |
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| 281 | ftne(1,:) = 0._wp ; ftnw(1,:) = 0._wp ; ftse(1,:) = 0._wp ; ftsw(1,:) = 0._wp |
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| 282 | DO jj = 2, jpj |
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| 283 | DO ji = 2, jpi |
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| 284 | z1_ht = ssmask(ji,jj) / ( ht_n(ji,jj) + 1._wp - ssmask(ji,jj) ) |
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| 285 | ftne(ji,jj) = ( ff_f(ji-1,jj ) + ff_f(ji ,jj ) + ff_f(ji ,jj-1) ) * z1_ht |
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| 286 | ftnw(ji,jj) = ( ff_f(ji-1,jj-1) + ff_f(ji-1,jj ) + ff_f(ji ,jj ) ) * z1_ht |
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| 287 | ftse(ji,jj) = ( ff_f(ji ,jj ) + ff_f(ji ,jj-1) + ff_f(ji-1,jj-1) ) * z1_ht |
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| 288 | ftsw(ji,jj) = ( ff_f(ji ,jj-1) + ff_f(ji-1,jj-1) + ff_f(ji-1,jj ) ) * z1_ht |
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| 289 | END DO |
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| 290 | END DO |
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| 291 | ! |
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| 292 | CASE( np_ENE, np_ENS , np_MIX ) != all other schemes (ENE, ENS, MIX) except ENT ! |
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| 293 | ! |
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[7753] | 294 | zwz(:,:) = 0._wp |
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| 295 | zhf(:,:) = 0._wp |
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[7646] | 296 | |
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[9124] | 297 | !!gm assume 0 in both cases (which is almost surely WRONG ! ) as hvatf has been removed |
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[7646] | 298 | !!gm A priori a better value should be something like : |
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| 299 | !!gm zhf(i,j) = masked sum of ht(i,j) , ht(i+1,j) , ht(i,j+1) , (i+1,j+1) |
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| 300 | !!gm divided by the sum of the corresponding mask |
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| 301 | !!gm |
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| 302 | !! |
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[9528] | 303 | IF( .NOT.ln_sco ) THEN |
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[7646] | 304 | |
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| 305 | !!gm agree the JC comment : this should be done in a much clear way |
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| 306 | |
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| 307 | ! JC: It not clear yet what should be the depth at f-points over land in z-coordinate case |
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| 308 | ! Set it to zero for the time being |
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| 309 | ! IF( rn_hmin < 0._wp ) THEN ; jk = - INT( rn_hmin ) ! from a nb of level |
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| 310 | ! ELSE ; jk = MINLOC( gdepw_0, mask = gdepw_0 > rn_hmin, dim = 1 ) ! from a depth |
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| 311 | ! ENDIF |
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| 312 | ! zhf(:,:) = gdepw_0(:,:,jk+1) |
---|
[9528] | 313 | ! |
---|
| 314 | ELSE |
---|
| 315 | ! |
---|
| 316 | !zhf(:,:) = hbatf(:,:) |
---|
| 317 | DO jj = 1, jpjm1 |
---|
| 318 | DO ji = 1, jpim1 |
---|
| 319 | zhf(ji,jj) = ( ht_0 (ji,jj ) + ht_0 (ji+1,jj ) & |
---|
| 320 | & + ht_0 (ji,jj+1) + ht_0 (ji+1,jj+1) ) & |
---|
| 321 | & / MAX( ssmask(ji,jj ) + ssmask(ji+1,jj ) & |
---|
| 322 | & + ssmask(ji,jj+1) + ssmask(ji+1,jj+1) , 1._wp ) |
---|
| 323 | END DO |
---|
| 324 | END DO |
---|
| 325 | ENDIF |
---|
| 326 | ! |
---|
| 327 | DO jj = 1, jpjm1 |
---|
| 328 | zhf(:,jj) = zhf(:,jj) * (1._wp- umask(:,jj,1) * umask(:,jj+1,1)) |
---|
| 329 | END DO |
---|
| 330 | ! |
---|
[4292] | 331 | DO jk = 1, jpkm1 |
---|
| 332 | DO jj = 1, jpjm1 |
---|
[10919] | 333 | zhf(:,jj) = zhf(:,jj) + e3f(:,jj,jk) * umask(:,jj,jk) * umask(:,jj+1,jk) |
---|
[4292] | 334 | END DO |
---|
| 335 | END DO |
---|
[10425] | 336 | CALL lbc_lnk( 'dynspg_ts', zhf, 'F', 1._wp ) |
---|
[4292] | 337 | ! JC: TBC. hf should be greater than 0 |
---|
| 338 | DO jj = 1, jpj |
---|
| 339 | DO ji = 1, jpi |
---|
[4370] | 340 | IF( zhf(ji,jj) /= 0._wp ) zwz(ji,jj) = 1._wp / zhf(ji,jj) ! zhf is actually hf here but it saves an array |
---|
[4292] | 341 | END DO |
---|
| 342 | END DO |
---|
[7753] | 343 | zwz(:,:) = ff_f(:,:) * zwz(:,:) |
---|
[9528] | 344 | END SELECT |
---|
[508] | 345 | ENDIF |
---|
[1502] | 346 | ! |
---|
[4292] | 347 | ! If forward start at previous time step, and centered integration, |
---|
| 348 | ! then update averaging weights: |
---|
[5836] | 349 | IF (.NOT.ln_bt_fw .AND.( neuler==0 .AND. kt==nit000+1 ) ) THEN |
---|
[4292] | 350 | ll_fw_start=.FALSE. |
---|
[9019] | 351 | CALL ts_wgt( ln_bt_av, ll_fw_start, icycle, wgtbtp1, wgtbtp2 ) |
---|
[4292] | 352 | ENDIF |
---|
| 353 | |
---|
[358] | 354 | ! ----------------------------------------------------------------------------- |
---|
| 355 | ! Phase 1 : Coupling between general trend and barotropic estimates (1st step) |
---|
| 356 | ! ----------------------------------------------------------------------------- |
---|
[1502] | 357 | ! |
---|
[4292] | 358 | ! |
---|
[4354] | 359 | ! !* e3*d/dt(Ua) (Vertically integrated) |
---|
[4292] | 360 | ! ! -------------------------------------------------- |
---|
[7753] | 361 | zu_frc(:,:) = 0._wp |
---|
| 362 | zv_frc(:,:) = 0._wp |
---|
[1502] | 363 | ! |
---|
| 364 | DO jk = 1, jpkm1 |
---|
[10919] | 365 | zu_frc(:,:) = zu_frc(:,:) + e3u(:,:,jk,Kmm) * puu(:,:,jk,Krhs) * umask(:,:,jk) |
---|
| 366 | zv_frc(:,:) = zv_frc(:,:) + e3v(:,:,jk,Kmm) * pvv(:,:,jk,Krhs) * vmask(:,:,jk) |
---|
[1502] | 367 | END DO |
---|
[4292] | 368 | ! |
---|
[7753] | 369 | zu_frc(:,:) = zu_frc(:,:) * r1_hu_n(:,:) |
---|
| 370 | zv_frc(:,:) = zv_frc(:,:) * r1_hv_n(:,:) |
---|
[4292] | 371 | ! |
---|
[7753] | 372 | ! |
---|
[1502] | 373 | ! !* baroclinic momentum trend (remove the vertical mean trend) |
---|
[4292] | 374 | DO jk = 1, jpkm1 ! ----------------------------------------------------------- |
---|
[1502] | 375 | DO jj = 2, jpjm1 |
---|
| 376 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[10919] | 377 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) - zu_frc(ji,jj) * umask(ji,jj,jk) |
---|
| 378 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) - zv_frc(ji,jj) * vmask(ji,jj,jk) |
---|
[1502] | 379 | END DO |
---|
[358] | 380 | END DO |
---|
[1502] | 381 | END DO |
---|
[7646] | 382 | |
---|
| 383 | !!gm Question here when removing the Vertically integrated trends, we remove the vertically integrated NL trends on momentum.... |
---|
| 384 | !!gm Is it correct to do so ? I think so... |
---|
| 385 | |
---|
| 386 | |
---|
[4292] | 387 | ! !* barotropic Coriolis trends (vorticity scheme dependent) |
---|
| 388 | ! ! -------------------------------------------------------- |
---|
[9528] | 389 | ! |
---|
[10919] | 390 | zwx(:,:) = puu_b(:,:,Kmm) * hu_n(:,:) * e2u(:,:) ! now fluxes |
---|
| 391 | zwy(:,:) = pvv_b(:,:,Kmm) * hv_n(:,:) * e1v(:,:) |
---|
[1502] | 392 | ! |
---|
[9528] | 393 | SELECT CASE( nvor_scheme ) |
---|
| 394 | CASE( np_ENT ) ! enstrophy conserving scheme (f-point) |
---|
[358] | 395 | DO jj = 2, jpjm1 |
---|
[9528] | 396 | DO ji = 2, jpim1 ! vector opt. |
---|
| 397 | zu_trd(ji,jj) = + r1_4 * r1_e1e2u(ji,jj) * r1_hu_n(ji,jj) & |
---|
[10919] | 398 | & * ( e1e2t(ji+1,jj)*ht_n(ji+1,jj)*ff_t(ji+1,jj) * ( pvv_b(ji+1,jj,Kmm) + pvv_b(ji+1,jj-1,Kmm) ) & |
---|
| 399 | & + e1e2t(ji ,jj)*ht_n(ji ,jj)*ff_t(ji ,jj) * ( pvv_b(ji ,jj,Kmm) + pvv_b(ji ,jj-1,Kmm) ) ) |
---|
[9528] | 400 | ! |
---|
| 401 | zv_trd(ji,jj) = - r1_4 * r1_e1e2v(ji,jj) * r1_hv_n(ji,jj) & |
---|
[10919] | 402 | & * ( e1e2t(ji,jj+1)*ht_n(ji,jj+1)*ff_t(ji,jj+1) * ( puu_b(ji,jj+1,Kmm) + puu_b(ji-1,jj+1,Kmm) ) & |
---|
| 403 | & + e1e2t(ji,jj )*ht_n(ji,jj )*ff_t(ji,jj ) * ( puu_b(ji,jj ,Kmm) + puu_b(ji-1,jj ,Kmm) ) ) |
---|
[9528] | 404 | END DO |
---|
| 405 | END DO |
---|
| 406 | ! |
---|
| 407 | CASE( np_ENE , np_MIX ) ! energy conserving scheme (t-point) ENE or MIX |
---|
| 408 | DO jj = 2, jpjm1 |
---|
[358] | 409 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5836] | 410 | zy1 = ( zwy(ji,jj-1) + zwy(ji+1,jj-1) ) * r1_e1u(ji,jj) |
---|
| 411 | zy2 = ( zwy(ji,jj ) + zwy(ji+1,jj ) ) * r1_e1u(ji,jj) |
---|
| 412 | zx1 = ( zwx(ji-1,jj) + zwx(ji-1,jj+1) ) * r1_e2v(ji,jj) |
---|
| 413 | zx2 = ( zwx(ji ,jj) + zwx(ji ,jj+1) ) * r1_e2v(ji,jj) |
---|
[358] | 414 | ! energy conserving formulation for planetary vorticity term |
---|
[9043] | 415 | zu_trd(ji,jj) = r1_4 * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
---|
| 416 | zv_trd(ji,jj) = - r1_4 * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
---|
[358] | 417 | END DO |
---|
| 418 | END DO |
---|
[508] | 419 | ! |
---|
[9528] | 420 | CASE( np_ENS ) ! enstrophy conserving scheme (f-point) |
---|
[358] | 421 | DO jj = 2, jpjm1 |
---|
| 422 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9043] | 423 | zy1 = r1_8 * ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) & |
---|
[5836] | 424 | & + zwy(ji ,jj ) + zwy(ji+1,jj ) ) * r1_e1u(ji,jj) |
---|
[9043] | 425 | zx1 = - r1_8 * ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) & |
---|
[5836] | 426 | & + zwx(ji ,jj ) + zwx(ji ,jj+1) ) * r1_e2v(ji,jj) |
---|
[4292] | 427 | zu_trd(ji,jj) = zy1 * ( zwz(ji ,jj-1) + zwz(ji,jj) ) |
---|
| 428 | zv_trd(ji,jj) = zx1 * ( zwz(ji-1,jj ) + zwz(ji,jj) ) |
---|
[358] | 429 | END DO |
---|
| 430 | END DO |
---|
[508] | 431 | ! |
---|
[9528] | 432 | CASE( np_EET , np_EEN ) ! energy & enstrophy scheme (using e3t or e3f) |
---|
[358] | 433 | DO jj = 2, jpjm1 |
---|
| 434 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9043] | 435 | zu_trd(ji,jj) = + r1_12 * r1_e1u(ji,jj) * ( ftne(ji,jj ) * zwy(ji ,jj ) & |
---|
[5836] | 436 | & + ftnw(ji+1,jj) * zwy(ji+1,jj ) & |
---|
| 437 | & + ftse(ji,jj ) * zwy(ji ,jj-1) & |
---|
| 438 | & + ftsw(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
[9043] | 439 | zv_trd(ji,jj) = - r1_12 * r1_e2v(ji,jj) * ( ftsw(ji,jj+1) * zwx(ji-1,jj+1) & |
---|
[5836] | 440 | & + ftse(ji,jj+1) * zwx(ji ,jj+1) & |
---|
| 441 | & + ftnw(ji,jj ) * zwx(ji-1,jj ) & |
---|
| 442 | & + ftne(ji,jj ) * zwx(ji ,jj ) ) |
---|
[358] | 443 | END DO |
---|
| 444 | END DO |
---|
[508] | 445 | ! |
---|
[9528] | 446 | END SELECT |
---|
[4292] | 447 | ! |
---|
[1502] | 448 | ! !* Right-Hand-Side of the barotropic momentum equation |
---|
| 449 | ! ! ---------------------------------------------------- |
---|
[6140] | 450 | IF( .NOT.ln_linssh ) THEN ! Variable volume : remove surface pressure gradient |
---|
[9528] | 451 | IF( ln_wd_il ) THEN ! Calculating and applying W/D gravity filters |
---|
| 452 | DO jj = 2, jpjm1 |
---|
| 453 | DO ji = 2, jpim1 |
---|
[10919] | 454 | ll_tmp1 = MIN( pssh(ji,jj,Kmm) , pssh(ji+1,jj,Kmm) ) > & |
---|
[9528] | 455 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) .AND. & |
---|
[10919] | 456 | & MAX( pssh(ji,jj,Kmm) + ht_0(ji,jj) , pssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) ) & |
---|
[9528] | 457 | & > rn_wdmin1 + rn_wdmin2 |
---|
[10919] | 458 | ll_tmp2 = ( ABS( pssh(ji+1,jj,Kmm) - pssh(ji ,jj,Kmm)) > 1.E-12 ).AND.( & |
---|
| 459 | & MAX( pssh(ji,jj,Kmm) , pssh(ji+1,jj,Kmm) ) > & |
---|
[9528] | 460 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
| 461 | IF(ll_tmp1) THEN |
---|
| 462 | zcpx(ji,jj) = 1.0_wp |
---|
| 463 | ELSEIF(ll_tmp2) THEN |
---|
[10919] | 464 | ! no worries about pssh(ji+1,jj,Kmm) - pssh(ji ,jj,Kmm) = 0, it won't happen ! here |
---|
| 465 | zcpx(ji,jj) = ABS( (pssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) - pssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 466 | & / (pssh(ji+1,jj,Kmm) - pssh(ji ,jj,Kmm)) ) |
---|
[9528] | 467 | zcpx(ji,jj) = max(min( zcpx(ji,jj) , 1.0_wp),0.0_wp) |
---|
| 468 | ELSE |
---|
| 469 | zcpx(ji,jj) = 0._wp |
---|
| 470 | ENDIF |
---|
| 471 | ! |
---|
[10919] | 472 | ll_tmp1 = MIN( pssh(ji,jj,Kmm) , pssh(ji,jj+1,Kmm) ) > & |
---|
[9528] | 473 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) .AND. & |
---|
[10919] | 474 | & MAX( pssh(ji,jj,Kmm) + ht_0(ji,jj) , pssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) ) & |
---|
[9023] | 475 | & > rn_wdmin1 + rn_wdmin2 |
---|
[10919] | 476 | ll_tmp2 = ( ABS( pssh(ji,jj,Kmm) - pssh(ji,jj+1,Kmm)) > 1.E-12 ).AND.( & |
---|
| 477 | & MAX( pssh(ji,jj,Kmm) , pssh(ji,jj+1,Kmm) ) > & |
---|
[9528] | 478 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[9023] | 479 | |
---|
[9528] | 480 | IF(ll_tmp1) THEN |
---|
| 481 | zcpy(ji,jj) = 1.0_wp |
---|
| 482 | ELSE IF(ll_tmp2) THEN |
---|
[10919] | 483 | ! no worries about pssh(ji,jj+1,Kmm) - pssh(ji,jj ,Kmm) = 0, it won't happen ! here |
---|
| 484 | zcpy(ji,jj) = ABS( (pssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) - pssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 485 | & / (pssh(ji,jj+1,Kmm) - pssh(ji,jj ,Kmm)) ) |
---|
[9528] | 486 | zcpy(ji,jj) = MAX( 0._wp , MIN( zcpy(ji,jj) , 1.0_wp ) ) |
---|
| 487 | ELSE |
---|
| 488 | zcpy(ji,jj) = 0._wp |
---|
| 489 | ENDIF |
---|
| 490 | END DO |
---|
| 491 | END DO |
---|
| 492 | ! |
---|
| 493 | DO jj = 2, jpjm1 |
---|
| 494 | DO ji = 2, jpim1 |
---|
[10919] | 495 | zu_trd(ji,jj) = zu_trd(ji,jj) - grav * ( pssh(ji+1,jj ,Kmm) - pssh(ji ,jj ,Kmm) ) & |
---|
[9528] | 496 | & * r1_e1u(ji,jj) * zcpx(ji,jj) * wdrampu(ji,jj) !jth |
---|
[10919] | 497 | zv_trd(ji,jj) = zv_trd(ji,jj) - grav * ( pssh(ji ,jj+1,Kmm) - pssh(ji ,jj ,Kmm) ) & |
---|
[9528] | 498 | & * r1_e2v(ji,jj) * zcpy(ji,jj) * wdrampv(ji,jj) !jth |
---|
| 499 | END DO |
---|
| 500 | END DO |
---|
| 501 | ! |
---|
[6152] | 502 | ELSE |
---|
[9019] | 503 | ! |
---|
| 504 | DO jj = 2, jpjm1 |
---|
| 505 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[10919] | 506 | zu_trd(ji,jj) = zu_trd(ji,jj) - grav * ( pssh(ji+1,jj ,Kmm) - pssh(ji ,jj ,Kmm) ) * r1_e1u(ji,jj) |
---|
| 507 | zv_trd(ji,jj) = zv_trd(ji,jj) - grav * ( pssh(ji ,jj+1,Kmm) - pssh(ji ,jj ,Kmm) ) * r1_e2v(ji,jj) |
---|
[9019] | 508 | END DO |
---|
| 509 | END DO |
---|
| 510 | ENDIF |
---|
| 511 | ! |
---|
[1502] | 512 | ENDIF |
---|
[9019] | 513 | ! |
---|
[4292] | 514 | DO jj = 2, jpjm1 ! Remove coriolis term (and possibly spg) from barotropic trend |
---|
[358] | 515 | DO ji = fs_2, fs_jpim1 |
---|
[6140] | 516 | zu_frc(ji,jj) = zu_frc(ji,jj) - zu_trd(ji,jj) * ssumask(ji,jj) |
---|
| 517 | zv_frc(ji,jj) = zv_frc(ji,jj) - zv_trd(ji,jj) * ssvmask(ji,jj) |
---|
[3294] | 518 | END DO |
---|
[4292] | 519 | END DO |
---|
| 520 | ! |
---|
[9023] | 521 | ! ! Add bottom stress contribution from baroclinic velocities: |
---|
| 522 | IF (ln_bt_fw) THEN |
---|
[4292] | 523 | DO jj = 2, jpjm1 |
---|
| 524 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 525 | ikbu = mbku(ji,jj) |
---|
| 526 | ikbv = mbkv(ji,jj) |
---|
[10919] | 527 | zwx(ji,jj) = puu(ji,jj,ikbu,Kmm) - puu_b(ji,jj,Kmm) ! NOW bottom baroclinic velocities |
---|
| 528 | zwy(ji,jj) = pvv(ji,jj,ikbv,Kmm) - pvv_b(ji,jj,Kmm) |
---|
[4292] | 529 | END DO |
---|
| 530 | END DO |
---|
[3294] | 531 | ELSE |
---|
[4292] | 532 | DO jj = 2, jpjm1 |
---|
| 533 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 534 | ikbu = mbku(ji,jj) |
---|
| 535 | ikbv = mbkv(ji,jj) |
---|
[10919] | 536 | zwx(ji,jj) = puu(ji,jj,ikbu,Kbb) - puu_b(ji,jj,Kbb) ! BEFORE bottom baroclinic velocities |
---|
| 537 | zwy(ji,jj) = pvv(ji,jj,ikbv,Kbb) - pvv_b(ji,jj,Kbb) |
---|
[4292] | 538 | END DO |
---|
| 539 | END DO |
---|
| 540 | ENDIF |
---|
[1502] | 541 | ! |
---|
[4292] | 542 | ! Note that the "unclipped" bottom friction parameter is used even with explicit drag |
---|
[9023] | 543 | IF( ln_wd_il ) THEN |
---|
[9075] | 544 | zztmp = -1._wp / rdtbt |
---|
[9045] | 545 | DO jj = 2, jpjm1 |
---|
| 546 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9112] | 547 | zu_frc(ji,jj) = zu_frc(ji,jj) + & |
---|
| 548 | & MAX(r1_hu_n(ji,jj) * r1_2 * ( rCdU_bot(ji+1,jj)+rCdU_bot(ji,jj) ), zztmp ) * zwx(ji,jj) * wdrampu(ji,jj) |
---|
| 549 | zv_frc(ji,jj) = zv_frc(ji,jj) + & |
---|
| 550 | & MAX(r1_hv_n(ji,jj) * r1_2 * ( rCdU_bot(ji,jj+1)+rCdU_bot(ji,jj) ), zztmp ) * zwy(ji,jj) * wdrampv(ji,jj) |
---|
[9045] | 551 | END DO |
---|
| 552 | END DO |
---|
[9023] | 553 | ELSE |
---|
[9045] | 554 | DO jj = 2, jpjm1 |
---|
| 555 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9112] | 556 | zu_frc(ji,jj) = zu_frc(ji,jj) + r1_hu_n(ji,jj) * r1_2 * ( rCdU_bot(ji+1,jj)+rCdU_bot(ji,jj) ) * zwx(ji,jj) |
---|
| 557 | zv_frc(ji,jj) = zv_frc(ji,jj) + r1_hv_n(ji,jj) * r1_2 * ( rCdU_bot(ji,jj+1)+rCdU_bot(ji,jj) ) * zwy(ji,jj) |
---|
[9045] | 558 | END DO |
---|
| 559 | END DO |
---|
[9023] | 560 | END IF |
---|
| 561 | ! |
---|
[9019] | 562 | IF( ln_isfcav ) THEN ! Add TOP stress contribution from baroclinic velocities: |
---|
| 563 | IF( ln_bt_fw ) THEN |
---|
| 564 | DO jj = 2, jpjm1 |
---|
| 565 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 566 | iktu = miku(ji,jj) |
---|
| 567 | iktv = mikv(ji,jj) |
---|
[10919] | 568 | zwx(ji,jj) = puu(ji,jj,iktu,Kmm) - puu_b(ji,jj,Kmm) ! NOW top baroclinic velocities |
---|
| 569 | zwy(ji,jj) = pvv(ji,jj,iktv,Kmm) - pvv_b(ji,jj,Kmm) |
---|
[9019] | 570 | END DO |
---|
| 571 | END DO |
---|
| 572 | ELSE |
---|
| 573 | DO jj = 2, jpjm1 |
---|
| 574 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 575 | iktu = miku(ji,jj) |
---|
| 576 | iktv = mikv(ji,jj) |
---|
[10919] | 577 | zwx(ji,jj) = puu(ji,jj,iktu,Kbb) - puu_b(ji,jj,Kbb) ! BEFORE top baroclinic velocities |
---|
| 578 | zwy(ji,jj) = pvv(ji,jj,iktv,Kbb) - pvv_b(ji,jj,Kbb) |
---|
[9019] | 579 | END DO |
---|
| 580 | END DO |
---|
| 581 | ENDIF |
---|
| 582 | ! |
---|
| 583 | ! Note that the "unclipped" top friction parameter is used even with explicit drag |
---|
| 584 | DO jj = 2, jpjm1 |
---|
| 585 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9112] | 586 | zu_frc(ji,jj) = zu_frc(ji,jj) + r1_hu_n(ji,jj) * r1_2 * ( rCdU_top(ji+1,jj)+rCdU_top(ji,jj) ) * zwx(ji,jj) |
---|
| 587 | zv_frc(ji,jj) = zv_frc(ji,jj) + r1_hv_n(ji,jj) * r1_2 * ( rCdU_top(ji,jj+1)+rCdU_top(ji,jj) ) * zwy(ji,jj) |
---|
[9019] | 588 | END DO |
---|
| 589 | END DO |
---|
| 590 | ENDIF |
---|
[6140] | 591 | ! |
---|
[9019] | 592 | IF( ln_bt_fw ) THEN ! Add wind forcing |
---|
| 593 | DO jj = 2, jpjm1 |
---|
| 594 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 595 | zu_frc(ji,jj) = zu_frc(ji,jj) + r1_rau0 * utau(ji,jj) * r1_hu_n(ji,jj) |
---|
| 596 | zv_frc(ji,jj) = zv_frc(ji,jj) + r1_rau0 * vtau(ji,jj) * r1_hv_n(ji,jj) |
---|
| 597 | END DO |
---|
| 598 | END DO |
---|
[2724] | 599 | ELSE |
---|
[9043] | 600 | zztmp = r1_rau0 * r1_2 |
---|
[9019] | 601 | DO jj = 2, jpjm1 |
---|
| 602 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 603 | zu_frc(ji,jj) = zu_frc(ji,jj) + zztmp * ( utau_b(ji,jj) + utau(ji,jj) ) * r1_hu_n(ji,jj) |
---|
| 604 | zv_frc(ji,jj) = zv_frc(ji,jj) + zztmp * ( vtau_b(ji,jj) + vtau(ji,jj) ) * r1_hv_n(ji,jj) |
---|
| 605 | END DO |
---|
| 606 | END DO |
---|
[4292] | 607 | ENDIF |
---|
| 608 | ! |
---|
[9019] | 609 | IF( ln_apr_dyn ) THEN ! Add atm pressure forcing |
---|
| 610 | IF( ln_bt_fw ) THEN |
---|
[4292] | 611 | DO jj = 2, jpjm1 |
---|
| 612 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5836] | 613 | zu_spg = grav * ( ssh_ib (ji+1,jj ) - ssh_ib (ji,jj) ) * r1_e1u(ji,jj) |
---|
| 614 | zv_spg = grav * ( ssh_ib (ji ,jj+1) - ssh_ib (ji,jj) ) * r1_e2v(ji,jj) |
---|
[4292] | 615 | zu_frc(ji,jj) = zu_frc(ji,jj) + zu_spg |
---|
| 616 | zv_frc(ji,jj) = zv_frc(ji,jj) + zv_spg |
---|
| 617 | END DO |
---|
| 618 | END DO |
---|
| 619 | ELSE |
---|
[9043] | 620 | zztmp = grav * r1_2 |
---|
[4292] | 621 | DO jj = 2, jpjm1 |
---|
| 622 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9019] | 623 | zu_spg = zztmp * ( ssh_ib (ji+1,jj ) - ssh_ib (ji,jj) & |
---|
| 624 | & + ssh_ibb(ji+1,jj ) - ssh_ibb(ji,jj) ) * r1_e1u(ji,jj) |
---|
| 625 | zv_spg = zztmp * ( ssh_ib (ji ,jj+1) - ssh_ib (ji,jj) & |
---|
| 626 | & + ssh_ibb(ji ,jj+1) - ssh_ibb(ji,jj) ) * r1_e2v(ji,jj) |
---|
[4292] | 627 | zu_frc(ji,jj) = zu_frc(ji,jj) + zu_spg |
---|
| 628 | zv_frc(ji,jj) = zv_frc(ji,jj) + zv_spg |
---|
| 629 | END DO |
---|
| 630 | END DO |
---|
| 631 | ENDIF |
---|
[2724] | 632 | ENDIF |
---|
[4292] | 633 | ! !* Right-Hand-Side of the barotropic ssh equation |
---|
| 634 | ! ! ----------------------------------------------- |
---|
| 635 | ! ! Surface net water flux and rivers |
---|
| 636 | IF (ln_bt_fw) THEN |
---|
[9019] | 637 | zssh_frc(:,:) = r1_rau0 * ( emp(:,:) - rnf(:,:) + fwfisf(:,:) ) |
---|
[4292] | 638 | ELSE |
---|
[9043] | 639 | zztmp = r1_rau0 * r1_2 |
---|
[9019] | 640 | zssh_frc(:,:) = zztmp * ( emp(:,:) + emp_b(:,:) - rnf(:,:) - rnf_b(:,:) & |
---|
| 641 | & + fwfisf(:,:) + fwfisf_b(:,:) ) |
---|
[4292] | 642 | ENDIF |
---|
[7646] | 643 | ! |
---|
| 644 | IF( ln_sdw ) THEN ! Stokes drift divergence added if necessary |
---|
[7753] | 645 | zssh_frc(:,:) = zssh_frc(:,:) + div_sd(:,:) |
---|
[7646] | 646 | ENDIF |
---|
| 647 | ! |
---|
[4292] | 648 | #if defined key_asminc |
---|
| 649 | ! ! Include the IAU weighted SSH increment |
---|
| 650 | IF( lk_asminc .AND. ln_sshinc .AND. ln_asmiau ) THEN |
---|
[7753] | 651 | zssh_frc(:,:) = zssh_frc(:,:) - ssh_iau(:,:) |
---|
[4292] | 652 | ENDIF |
---|
| 653 | #endif |
---|
[5656] | 654 | ! !* Fill boundary data arrays for AGRIF |
---|
| 655 | ! ! ------------------------------------ |
---|
[4486] | 656 | #if defined key_agrif |
---|
| 657 | IF( .NOT.Agrif_Root() ) CALL agrif_dta_ts( kt ) |
---|
| 658 | #endif |
---|
[4292] | 659 | ! |
---|
[358] | 660 | ! ----------------------------------------------------------------------- |
---|
[4292] | 661 | ! Phase 2 : Integration of the barotropic equations |
---|
[358] | 662 | ! ----------------------------------------------------------------------- |
---|
[1502] | 663 | ! |
---|
| 664 | ! ! ==================== ! |
---|
| 665 | ! ! Initialisations ! |
---|
[4292] | 666 | ! ! ==================== ! |
---|
[4370] | 667 | ! Initialize barotropic variables: |
---|
[4770] | 668 | IF( ll_init )THEN |
---|
[7753] | 669 | sshbb_e(:,:) = 0._wp |
---|
| 670 | ubb_e (:,:) = 0._wp |
---|
| 671 | vbb_e (:,:) = 0._wp |
---|
| 672 | sshb_e (:,:) = 0._wp |
---|
| 673 | ub_e (:,:) = 0._wp |
---|
| 674 | vb_e (:,:) = 0._wp |
---|
[4700] | 675 | ENDIF |
---|
[6152] | 676 | |
---|
[4700] | 677 | ! |
---|
[4370] | 678 | IF (ln_bt_fw) THEN ! FORWARD integration: start from NOW fields |
---|
[10919] | 679 | sshn_e(:,:) = pssh(:,:,Kmm) |
---|
| 680 | un_e (:,:) = puu_b(:,:,Kmm) |
---|
| 681 | vn_e (:,:) = pvv_b(:,:,Kmm) |
---|
[7753] | 682 | ! |
---|
| 683 | hu_e (:,:) = hu_n(:,:) |
---|
| 684 | hv_e (:,:) = hv_n(:,:) |
---|
| 685 | hur_e (:,:) = r1_hu_n(:,:) |
---|
| 686 | hvr_e (:,:) = r1_hv_n(:,:) |
---|
[4370] | 687 | ELSE ! CENTRED integration: start from BEFORE fields |
---|
[10919] | 688 | sshn_e(:,:) = pssh(:,:,Kbb) |
---|
| 689 | un_e (:,:) = puu_b(:,:,Kbb) |
---|
| 690 | vn_e (:,:) = pvv_b(:,:,Kbb) |
---|
[7753] | 691 | ! |
---|
| 692 | hu_e (:,:) = hu_b(:,:) |
---|
| 693 | hv_e (:,:) = hv_b(:,:) |
---|
| 694 | hur_e (:,:) = r1_hu_b(:,:) |
---|
| 695 | hvr_e (:,:) = r1_hv_b(:,:) |
---|
[4292] | 696 | ENDIF |
---|
| 697 | ! |
---|
| 698 | ! |
---|
[4370] | 699 | ! |
---|
[4292] | 700 | ! Initialize sums: |
---|
[10919] | 701 | puu_b (:,:,Kaa) = 0._wp ! After barotropic velocities (or transport if flux form) |
---|
| 702 | pvv_b (:,:,Kaa) = 0._wp |
---|
| 703 | pssh (:,:,Kaa) = 0._wp ! Sum for after averaged sea level |
---|
[7753] | 704 | un_adv(:,:) = 0._wp ! Sum for now transport issued from ts loop |
---|
| 705 | vn_adv(:,:) = 0._wp |
---|
[9528] | 706 | ! |
---|
| 707 | IF( ln_wd_dl ) THEN |
---|
[9023] | 708 | zuwdmask(:,:) = 0._wp ! set to zero for definiteness (not sure this is necessary) |
---|
| 709 | zvwdmask(:,:) = 0._wp ! |
---|
[9528] | 710 | zuwdav2 (:,:) = 0._wp |
---|
| 711 | zvwdav2 (:,:) = 0._wp |
---|
[9023] | 712 | END IF |
---|
| 713 | |
---|
[9528] | 714 | ! ! ==================== ! |
---|
[4292] | 715 | DO jn = 1, icycle ! sub-time-step loop ! |
---|
[1502] | 716 | ! ! ==================== ! |
---|
[10425] | 717 | ! |
---|
| 718 | l_full_nf_update = jn == icycle ! false: disable full North fold update (performances) for jn = 1 to icycle-1 |
---|
| 719 | ! ! ------------------ |
---|
[3294] | 720 | ! !* Update the forcing (BDY and tides) |
---|
[1502] | 721 | ! ! ------------------ |
---|
[4292] | 722 | ! Update only tidal forcing at open boundaries |
---|
[7646] | 723 | IF( ln_bdy .AND. ln_tide ) CALL bdy_dta_tides( kt, kit=jn, time_offset= noffset+1 ) |
---|
| 724 | IF( ln_tide_pot .AND. ln_tide ) CALL upd_tide ( kt, kit=jn, time_offset= noffset ) |
---|
[4292] | 725 | ! |
---|
| 726 | ! Set extrapolation coefficients for predictor step: |
---|
| 727 | IF ((jn<3).AND.ll_init) THEN ! Forward |
---|
| 728 | za1 = 1._wp |
---|
| 729 | za2 = 0._wp |
---|
| 730 | za3 = 0._wp |
---|
| 731 | ELSE ! AB3-AM4 Coefficients: bet=0.281105 |
---|
| 732 | za1 = 1.781105_wp ! za1 = 3/2 + bet |
---|
| 733 | za2 = -1.06221_wp ! za2 = -(1/2 + 2*bet) |
---|
| 734 | za3 = 0.281105_wp ! za3 = bet |
---|
| 735 | ENDIF |
---|
[367] | 736 | |
---|
[4292] | 737 | ! Extrapolate barotropic velocities at step jit+0.5: |
---|
[7753] | 738 | ua_e(:,:) = za1 * un_e(:,:) + za2 * ub_e(:,:) + za3 * ubb_e(:,:) |
---|
| 739 | va_e(:,:) = za1 * vn_e(:,:) + za2 * vb_e(:,:) + za3 * vbb_e(:,:) |
---|
[4292] | 740 | |
---|
[6140] | 741 | IF( .NOT.ln_linssh ) THEN !* Update ocean depth (variable volume case only) |
---|
[4292] | 742 | ! ! ------------------ |
---|
| 743 | ! Extrapolate Sea Level at step jit+0.5: |
---|
[7753] | 744 | zsshp2_e(:,:) = za1 * sshn_e(:,:) + za2 * sshb_e(:,:) + za3 * sshbb_e(:,:) |
---|
[9023] | 745 | |
---|
| 746 | ! set wetting & drying mask at tracer points for this barotropic sub-step |
---|
| 747 | IF ( ln_wd_dl ) THEN |
---|
[9528] | 748 | ! |
---|
[9023] | 749 | IF ( ln_wd_dl_rmp ) THEN |
---|
| 750 | DO jj = 1, jpj |
---|
| 751 | DO ji = 1, jpi ! vector opt. |
---|
| 752 | IF ( zsshp2_e(ji,jj) + ht_0(ji,jj) > 2._wp * rn_wdmin1 ) THEN |
---|
| 753 | ! IF ( zsshp2_e(ji,jj) + ht_0(ji,jj) > rn_wdmin2 ) THEN |
---|
| 754 | ztwdmask(ji,jj) = 1._wp |
---|
| 755 | ELSE IF ( zsshp2_e(ji,jj) + ht_0(ji,jj) > rn_wdmin1 ) THEN |
---|
| 756 | ztwdmask(ji,jj) = (tanh(50._wp*( ( zsshp2_e(ji,jj) + ht_0(ji,jj) - rn_wdmin1 )*r_rn_wdmin1)) ) |
---|
| 757 | ELSE |
---|
| 758 | ztwdmask(ji,jj) = 0._wp |
---|
| 759 | END IF |
---|
| 760 | END DO |
---|
| 761 | END DO |
---|
| 762 | ELSE |
---|
| 763 | DO jj = 1, jpj |
---|
| 764 | DO ji = 1, jpi ! vector opt. |
---|
| 765 | IF ( zsshp2_e(ji,jj) + ht_0(ji,jj) > rn_wdmin1 ) THEN |
---|
| 766 | ztwdmask(ji,jj) = 1._wp |
---|
| 767 | ELSE |
---|
| 768 | ztwdmask(ji,jj) = 0._wp |
---|
[9528] | 769 | ENDIF |
---|
[9023] | 770 | END DO |
---|
| 771 | END DO |
---|
[9528] | 772 | ENDIF |
---|
| 773 | ! |
---|
| 774 | ENDIF |
---|
| 775 | ! |
---|
[4292] | 776 | DO jj = 2, jpjm1 ! Sea Surface Height at u- & v-points |
---|
| 777 | DO ji = 2, fs_jpim1 ! Vector opt. |
---|
[9043] | 778 | zwx(ji,jj) = r1_2 * ssumask(ji,jj) * r1_e1e2u(ji,jj) & |
---|
[5836] | 779 | & * ( e1e2t(ji ,jj) * zsshp2_e(ji ,jj) & |
---|
| 780 | & + e1e2t(ji+1,jj) * zsshp2_e(ji+1,jj) ) |
---|
[9043] | 781 | zwy(ji,jj) = r1_2 * ssvmask(ji,jj) * r1_e1e2v(ji,jj) & |
---|
[5836] | 782 | & * ( e1e2t(ji,jj ) * zsshp2_e(ji,jj ) & |
---|
| 783 | & + e1e2t(ji,jj+1) * zsshp2_e(ji,jj+1) ) |
---|
[4292] | 784 | END DO |
---|
| 785 | END DO |
---|
[10425] | 786 | CALL lbc_lnk_multi( 'dynspg_ts', zwx, 'U', 1._wp, zwy, 'V', 1._wp ) |
---|
[4292] | 787 | ! |
---|
[9528] | 788 | zhup2_e(:,:) = hu_0(:,:) + zwx(:,:) ! Ocean depth at U- and V-points |
---|
| 789 | zhvp2_e(:,:) = hv_0(:,:) + zwy(:,:) |
---|
| 790 | zhtp2_e(:,:) = ht_0(:,:) + zsshp2_e(:,:) |
---|
[4370] | 791 | ELSE |
---|
[9528] | 792 | zhup2_e(:,:) = hu_n(:,:) |
---|
| 793 | zhvp2_e(:,:) = hv_n(:,:) |
---|
| 794 | zhtp2_e(:,:) = ht_n(:,:) |
---|
[4292] | 795 | ENDIF |
---|
| 796 | ! !* after ssh |
---|
[1502] | 797 | ! ! ----------- |
---|
[4292] | 798 | ! |
---|
[10481] | 799 | ! Enforce volume conservation at open boundaries: |
---|
| 800 | IF( ln_bdy .AND. ln_vol ) CALL bdy_vol2d( kt, jn, ua_e, va_e, zhup2_e, zhvp2_e ) |
---|
| 801 | ! |
---|
[7753] | 802 | zwx(:,:) = e2u(:,:) * ua_e(:,:) * zhup2_e(:,:) ! fluxes at jn+0.5 |
---|
| 803 | zwy(:,:) = e1v(:,:) * va_e(:,:) * zhvp2_e(:,:) |
---|
[4486] | 804 | ! |
---|
| 805 | #if defined key_agrif |
---|
[6140] | 806 | ! Set fluxes during predictor step to ensure volume conservation |
---|
| 807 | IF( .NOT.Agrif_Root() .AND. ln_bt_fw ) THEN |
---|
[4486] | 808 | IF((nbondi == -1).OR.(nbondi == 2)) THEN |
---|
[9019] | 809 | DO jj = 1, jpj |
---|
[9116] | 810 | zwx(2:nbghostcells+1,jj) = ubdy_w(1:nbghostcells,jj) * e2u(2:nbghostcells+1,jj) |
---|
[9845] | 811 | zwy(2:nbghostcells+1,jj) = vbdy_w(1:nbghostcells,jj) * e1v(2:nbghostcells+1,jj) |
---|
[4486] | 812 | END DO |
---|
| 813 | ENDIF |
---|
| 814 | IF((nbondi == 1).OR.(nbondi == 2)) THEN |
---|
| 815 | DO jj=1,jpj |
---|
[9116] | 816 | zwx(nlci-nbghostcells-1:nlci-2,jj) = ubdy_e(1:nbghostcells,jj) * e2u(nlci-nbghostcells-1:nlci-2,jj) |
---|
[9845] | 817 | zwy(nlci-nbghostcells :nlci-1,jj) = vbdy_e(1:nbghostcells,jj) * e1v(nlci-nbghostcells :nlci-1,jj) |
---|
[4486] | 818 | END DO |
---|
| 819 | ENDIF |
---|
| 820 | IF((nbondj == -1).OR.(nbondj == 2)) THEN |
---|
| 821 | DO ji=1,jpi |
---|
[9116] | 822 | zwy(ji,2:nbghostcells+1) = vbdy_s(ji,1:nbghostcells) * e1v(ji,2:nbghostcells+1) |
---|
[9845] | 823 | zwx(ji,2:nbghostcells+1) = ubdy_s(ji,1:nbghostcells) * e2u(ji,2:nbghostcells+1) |
---|
[4486] | 824 | END DO |
---|
| 825 | ENDIF |
---|
| 826 | IF((nbondj == 1).OR.(nbondj == 2)) THEN |
---|
| 827 | DO ji=1,jpi |
---|
[9116] | 828 | zwy(ji,nlcj-nbghostcells-1:nlcj-2) = vbdy_n(ji,1:nbghostcells) * e1v(ji,nlcj-nbghostcells-1:nlcj-2) |
---|
[9845] | 829 | zwx(ji,nlcj-nbghostcells :nlcj-1) = ubdy_n(ji,1:nbghostcells) * e2u(ji,nlcj-nbghostcells :nlcj-1) |
---|
[4486] | 830 | END DO |
---|
| 831 | ENDIF |
---|
| 832 | ENDIF |
---|
| 833 | #endif |
---|
[9528] | 834 | IF( ln_wd_il ) CALL wad_lmt_bt(zwx, zwy, sshn_e, zssh_frc, rdtbt) |
---|
[9023] | 835 | |
---|
| 836 | IF ( ln_wd_dl ) THEN |
---|
[9528] | 837 | ! |
---|
| 838 | ! un_e and vn_e are set to zero at faces where the direction of the flow is from dry cells |
---|
| 839 | ! |
---|
[9023] | 840 | DO jj = 1, jpjm1 |
---|
| 841 | DO ji = 1, jpim1 |
---|
| 842 | IF ( zwx(ji,jj) > 0.0 ) THEN |
---|
| 843 | zuwdmask(ji, jj) = ztwdmask(ji ,jj) |
---|
| 844 | ELSE |
---|
| 845 | zuwdmask(ji, jj) = ztwdmask(ji+1,jj) |
---|
| 846 | END IF |
---|
| 847 | zwx(ji, jj) = zuwdmask(ji,jj)*zwx(ji, jj) |
---|
| 848 | un_e(ji,jj) = zuwdmask(ji,jj)*un_e(ji,jj) |
---|
| 849 | |
---|
| 850 | IF ( zwy(ji,jj) > 0.0 ) THEN |
---|
| 851 | zvwdmask(ji, jj) = ztwdmask(ji, jj ) |
---|
| 852 | ELSE |
---|
| 853 | zvwdmask(ji, jj) = ztwdmask(ji, jj+1) |
---|
| 854 | END IF |
---|
| 855 | zwy(ji, jj) = zvwdmask(ji,jj)*zwy(ji,jj) |
---|
| 856 | vn_e(ji,jj) = zvwdmask(ji,jj)*vn_e(ji,jj) |
---|
| 857 | END DO |
---|
| 858 | END DO |
---|
[9528] | 859 | ! |
---|
| 860 | ENDIF |
---|
[9023] | 861 | |
---|
[4486] | 862 | ! Sum over sub-time-steps to compute advective velocities |
---|
| 863 | za2 = wgtbtp2(jn) |
---|
[7753] | 864 | un_adv(:,:) = un_adv(:,:) + za2 * zwx(:,:) * r1_e2u(:,:) |
---|
| 865 | vn_adv(:,:) = vn_adv(:,:) + za2 * zwy(:,:) * r1_e1v(:,:) |
---|
[9023] | 866 | |
---|
| 867 | ! sum over sub-time-steps to decide which baroclinic velocities to set to zero (zuwdav2 is only used when ln_wd_dl_bc = True) |
---|
| 868 | IF ( ln_wd_dl_bc ) THEN |
---|
| 869 | zuwdav2(:,:) = zuwdav2(:,:) + za2 * zuwdmask(:,:) |
---|
| 870 | zvwdav2(:,:) = zvwdav2(:,:) + za2 * zvwdmask(:,:) |
---|
| 871 | END IF |
---|
| 872 | |
---|
[4486] | 873 | ! Set next sea level: |
---|
[4292] | 874 | DO jj = 2, jpjm1 |
---|
[358] | 875 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[4292] | 876 | zhdiv(ji,jj) = ( zwx(ji,jj) - zwx(ji-1,jj) & |
---|
[5836] | 877 | & + zwy(ji,jj) - zwy(ji,jj-1) ) * r1_e1e2t(ji,jj) |
---|
[358] | 878 | END DO |
---|
| 879 | END DO |
---|
[7753] | 880 | ssha_e(:,:) = ( sshn_e(:,:) - rdtbt * ( zssh_frc(:,:) + zhdiv(:,:) ) ) * ssmask(:,:) |
---|
| 881 | |
---|
[10425] | 882 | CALL lbc_lnk( 'dynspg_ts', ssha_e, 'T', 1._wp ) |
---|
[4292] | 883 | |
---|
[6140] | 884 | ! Duplicate sea level across open boundaries (this is only cosmetic if linssh=T) |
---|
[7646] | 885 | IF( ln_bdy ) CALL bdy_ssh( ssha_e ) |
---|
[4292] | 886 | #if defined key_agrif |
---|
[6140] | 887 | IF( .NOT.Agrif_Root() ) CALL agrif_ssh_ts( jn ) |
---|
[4292] | 888 | #endif |
---|
| 889 | ! |
---|
| 890 | ! Sea Surface Height at u-,v-points (vvl case only) |
---|
[6140] | 891 | IF( .NOT.ln_linssh ) THEN |
---|
[4292] | 892 | DO jj = 2, jpjm1 |
---|
| 893 | DO ji = 2, jpim1 ! NO Vector Opt. |
---|
[9043] | 894 | zsshu_a(ji,jj) = r1_2 * ssumask(ji,jj) * r1_e1e2u(ji,jj) & |
---|
[6140] | 895 | & * ( e1e2t(ji ,jj ) * ssha_e(ji ,jj ) & |
---|
| 896 | & + e1e2t(ji+1,jj ) * ssha_e(ji+1,jj ) ) |
---|
[9043] | 897 | zsshv_a(ji,jj) = r1_2 * ssvmask(ji,jj) * r1_e1e2v(ji,jj) & |
---|
[6140] | 898 | & * ( e1e2t(ji ,jj ) * ssha_e(ji ,jj ) & |
---|
| 899 | & + e1e2t(ji ,jj+1) * ssha_e(ji ,jj+1) ) |
---|
[4292] | 900 | END DO |
---|
[358] | 901 | END DO |
---|
[10425] | 902 | CALL lbc_lnk_multi( 'dynspg_ts', zsshu_a, 'U', 1._wp, zsshv_a, 'V', 1._wp ) |
---|
[4292] | 903 | ENDIF |
---|
| 904 | ! |
---|
| 905 | ! Half-step back interpolation of SSH for surface pressure computation: |
---|
| 906 | !---------------------------------------------------------------------- |
---|
| 907 | IF ((jn==1).AND.ll_init) THEN |
---|
| 908 | za0=1._wp ! Forward-backward |
---|
| 909 | za1=0._wp |
---|
| 910 | za2=0._wp |
---|
| 911 | za3=0._wp |
---|
| 912 | ELSEIF ((jn==2).AND.ll_init) THEN ! AB2-AM3 Coefficients; bet=0 ; gam=-1/6 ; eps=1/12 |
---|
| 913 | za0= 1.0833333333333_wp ! za0 = 1-gam-eps |
---|
| 914 | za1=-0.1666666666666_wp ! za1 = gam |
---|
| 915 | za2= 0.0833333333333_wp ! za2 = eps |
---|
| 916 | za3= 0._wp |
---|
| 917 | ELSE ! AB3-AM4 Coefficients; bet=0.281105 ; eps=0.013 ; gam=0.0880 |
---|
[9023] | 918 | IF (rn_bt_alpha==0._wp) THEN |
---|
| 919 | za0=0.614_wp ! za0 = 1/2 + gam + 2*eps |
---|
| 920 | za1=0.285_wp ! za1 = 1/2 - 2*gam - 3*eps |
---|
| 921 | za2=0.088_wp ! za2 = gam |
---|
| 922 | za3=0.013_wp ! za3 = eps |
---|
| 923 | ELSE |
---|
| 924 | zepsilon = 0.00976186_wp - 0.13451357_wp * rn_bt_alpha |
---|
| 925 | zgamma = 0.08344500_wp - 0.51358400_wp * rn_bt_alpha |
---|
| 926 | za0 = 0.5_wp + zgamma + 2._wp * rn_bt_alpha + 2._wp * zepsilon |
---|
| 927 | za1 = 1._wp - za0 - zgamma - zepsilon |
---|
| 928 | za2 = zgamma |
---|
| 929 | za3 = zepsilon |
---|
| 930 | ENDIF |
---|
[4292] | 931 | ENDIF |
---|
[6140] | 932 | ! |
---|
[9528] | 933 | zsshp2_e(:,:) = za0 * ssha_e(:,:) + za1 * sshn_e (:,:) & |
---|
| 934 | & + za2 * sshb_e(:,:) + za3 * sshbb_e(:,:) |
---|
| 935 | |
---|
[9023] | 936 | IF( ln_wd_il ) THEN ! Calculating and applying W/D gravity filters |
---|
[6152] | 937 | DO jj = 2, jpjm1 |
---|
[7646] | 938 | DO ji = 2, jpim1 |
---|
| 939 | ll_tmp1 = MIN( zsshp2_e(ji,jj) , zsshp2_e(ji+1,jj) ) > & |
---|
[9023] | 940 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) .AND. & |
---|
| 941 | & MAX( zsshp2_e(ji,jj) + ht_0(ji,jj) , zsshp2_e(ji+1,jj) + ht_0(ji+1,jj) ) & |
---|
[7646] | 942 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 943 | ll_tmp2 = (ABS(zsshp2_e(ji,jj) - zsshp2_e(ji+1,jj)) > 1.E-12 ).AND.( & |
---|
| 944 | & MAX( zsshp2_e(ji,jj) , zsshp2_e(ji+1,jj) ) > & |
---|
[9023] | 945 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[7646] | 946 | |
---|
| 947 | IF(ll_tmp1) THEN |
---|
| 948 | zcpx(ji,jj) = 1.0_wp |
---|
| 949 | ELSE IF(ll_tmp2) THEN |
---|
| 950 | ! no worries about zsshp2_e(ji+1,jj) - zsshp2_e(ji ,jj) = 0, it won't happen ! here |
---|
[9023] | 951 | zcpx(ji,jj) = ABS( (zsshp2_e(ji+1,jj) + ht_0(ji+1,jj) - zsshp2_e(ji,jj) - ht_0(ji,jj)) & |
---|
[7646] | 952 | & / (zsshp2_e(ji+1,jj) - zsshp2_e(ji ,jj)) ) |
---|
| 953 | ELSE |
---|
| 954 | zcpx(ji,jj) = 0._wp |
---|
[9528] | 955 | ENDIF |
---|
| 956 | ! |
---|
[7646] | 957 | ll_tmp1 = MIN( zsshp2_e(ji,jj) , zsshp2_e(ji,jj+1) ) > & |
---|
[9023] | 958 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) .AND. & |
---|
| 959 | & MAX( zsshp2_e(ji,jj) + ht_0(ji,jj) , zsshp2_e(ji,jj+1) + ht_0(ji,jj+1) ) & |
---|
[7646] | 960 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 961 | ll_tmp2 = (ABS(zsshp2_e(ji,jj) - zsshp2_e(ji,jj+1)) > 1.E-12 ).AND.( & |
---|
| 962 | & MAX( zsshp2_e(ji,jj) , zsshp2_e(ji,jj+1) ) > & |
---|
[9023] | 963 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[7646] | 964 | |
---|
| 965 | IF(ll_tmp1) THEN |
---|
| 966 | zcpy(ji,jj) = 1.0_wp |
---|
[9528] | 967 | ELSEIF(ll_tmp2) THEN |
---|
[7646] | 968 | ! no worries about zsshp2_e(ji,jj+1) - zsshp2_e(ji,jj ) = 0, it won't happen ! here |
---|
[9023] | 969 | zcpy(ji,jj) = ABS( (zsshp2_e(ji,jj+1) + ht_0(ji,jj+1) - zsshp2_e(ji,jj) - ht_0(ji,jj)) & |
---|
[7646] | 970 | & / (zsshp2_e(ji,jj+1) - zsshp2_e(ji,jj )) ) |
---|
| 971 | ELSE |
---|
| 972 | zcpy(ji,jj) = 0._wp |
---|
[9528] | 973 | ENDIF |
---|
[6152] | 974 | END DO |
---|
[7646] | 975 | END DO |
---|
[9528] | 976 | ENDIF |
---|
[1502] | 977 | ! |
---|
[4292] | 978 | ! Compute associated depths at U and V points: |
---|
[9023] | 979 | IF( .NOT.ln_linssh .AND. .NOT.ln_dynadv_vec ) THEN !* Vector form |
---|
[4292] | 980 | ! |
---|
| 981 | DO jj = 2, jpjm1 |
---|
| 982 | DO ji = 2, jpim1 |
---|
[9043] | 983 | zx1 = r1_2 * ssumask(ji ,jj) * r1_e1e2u(ji ,jj) & |
---|
[5836] | 984 | & * ( e1e2t(ji ,jj ) * zsshp2_e(ji ,jj) & |
---|
| 985 | & + e1e2t(ji+1,jj ) * zsshp2_e(ji+1,jj ) ) |
---|
[9043] | 986 | zy1 = r1_2 * ssvmask(ji ,jj) * r1_e1e2v(ji ,jj ) & |
---|
[5836] | 987 | & * ( e1e2t(ji ,jj ) * zsshp2_e(ji ,jj ) & |
---|
| 988 | & + e1e2t(ji ,jj+1) * zsshp2_e(ji ,jj+1) ) |
---|
[4292] | 989 | zhust_e(ji,jj) = hu_0(ji,jj) + zx1 |
---|
| 990 | zhvst_e(ji,jj) = hv_0(ji,jj) + zy1 |
---|
| 991 | END DO |
---|
| 992 | END DO |
---|
[9528] | 993 | ! |
---|
[4292] | 994 | ENDIF |
---|
| 995 | ! |
---|
| 996 | ! Add Coriolis trend: |
---|
[6140] | 997 | ! zwz array below or triads normally depend on sea level with ln_linssh=F and should be updated |
---|
[4292] | 998 | ! at each time step. We however keep them constant here for optimization. |
---|
| 999 | ! Recall that zwx and zwy arrays hold fluxes at this stage: |
---|
| 1000 | ! zwx(:,:) = e2u(:,:) * ua_e(:,:) * zhup2_e(:,:) ! fluxes at jn+0.5 |
---|
| 1001 | ! zwy(:,:) = e1v(:,:) * va_e(:,:) * zhvp2_e(:,:) |
---|
| 1002 | ! |
---|
[9528] | 1003 | SELECT CASE( nvor_scheme ) |
---|
| 1004 | CASE( np_ENT ) ! energy conserving scheme (t-point) |
---|
| 1005 | DO jj = 2, jpjm1 |
---|
| 1006 | DO ji = 2, jpim1 ! vector opt. |
---|
| 1007 | |
---|
| 1008 | z1_hu = ssumask(ji,jj) / ( hu_0(ji,jj) + zhup2_e(ji,jj) + 1._wp - ssumask(ji,jj) ) |
---|
| 1009 | z1_hv = ssvmask(ji,jj) / ( hv_0(ji,jj) + zhvp2_e(ji,jj) + 1._wp - ssvmask(ji,jj) ) |
---|
| 1010 | |
---|
| 1011 | zu_trd(ji,jj) = + r1_4 * r1_e1e2u(ji,jj) * z1_hu & |
---|
| 1012 | & * ( e1e2t(ji+1,jj)*zhtp2_e(ji+1,jj)*ff_t(ji+1,jj) * ( va_e(ji+1,jj) + va_e(ji+1,jj-1) ) & |
---|
| 1013 | & + e1e2t(ji ,jj)*zhtp2_e(ji ,jj)*ff_t(ji ,jj) * ( va_e(ji ,jj) + va_e(ji ,jj-1) ) ) |
---|
| 1014 | ! |
---|
| 1015 | zv_trd(ji,jj) = - r1_4 * r1_e1e2v(ji,jj) * z1_hv & |
---|
| 1016 | & * ( e1e2t(ji,jj+1)*zhtp2_e(ji,jj+1)*ff_t(ji,jj+1) * ( ua_e(ji,jj+1) + ua_e(ji-1,jj+1) ) & |
---|
| 1017 | & + e1e2t(ji,jj )*zhtp2_e(ji,jj )*ff_t(ji,jj ) * ( ua_e(ji,jj ) + ua_e(ji-1,jj ) ) ) |
---|
| 1018 | END DO |
---|
| 1019 | END DO |
---|
| 1020 | ! |
---|
| 1021 | CASE( np_ENE, np_MIX ) ! energy conserving scheme (f-point) |
---|
[358] | 1022 | DO jj = 2, jpjm1 |
---|
| 1023 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5836] | 1024 | zy1 = ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) ) * r1_e1u(ji,jj) |
---|
| 1025 | zy2 = ( zwy(ji ,jj ) + zwy(ji+1,jj ) ) * r1_e1u(ji,jj) |
---|
| 1026 | zx1 = ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) ) * r1_e2v(ji,jj) |
---|
| 1027 | zx2 = ( zwx(ji ,jj ) + zwx(ji ,jj+1) ) * r1_e2v(ji,jj) |
---|
[9043] | 1028 | zu_trd(ji,jj) = r1_4 * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
---|
| 1029 | zv_trd(ji,jj) =-r1_4 * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
---|
[358] | 1030 | END DO |
---|
| 1031 | END DO |
---|
[508] | 1032 | ! |
---|
[9528] | 1033 | CASE( np_ENS ) ! enstrophy conserving scheme (f-point) |
---|
[358] | 1034 | DO jj = 2, jpjm1 |
---|
| 1035 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9043] | 1036 | zy1 = r1_8 * ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) & |
---|
[5836] | 1037 | & + zwy(ji ,jj ) + zwy(ji+1,jj ) ) * r1_e1u(ji,jj) |
---|
[9043] | 1038 | zx1 = - r1_8 * ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) & |
---|
[5836] | 1039 | & + zwx(ji ,jj ) + zwx(ji ,jj+1) ) * r1_e2v(ji,jj) |
---|
[4292] | 1040 | zu_trd(ji,jj) = zy1 * ( zwz(ji ,jj-1) + zwz(ji,jj) ) |
---|
| 1041 | zv_trd(ji,jj) = zx1 * ( zwz(ji-1,jj ) + zwz(ji,jj) ) |
---|
[358] | 1042 | END DO |
---|
| 1043 | END DO |
---|
[508] | 1044 | ! |
---|
[9528] | 1045 | CASE( np_EET , np_EEN ) ! energy & enstrophy scheme (using e3t or e3f) |
---|
[358] | 1046 | DO jj = 2, jpjm1 |
---|
| 1047 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9528] | 1048 | zu_trd(ji,jj) = + r1_12 * r1_e1u(ji,jj) * ( ftne(ji,jj ) * zwy(ji ,jj ) & |
---|
| 1049 | & + ftnw(ji+1,jj) * zwy(ji+1,jj ) & |
---|
| 1050 | & + ftse(ji,jj ) * zwy(ji ,jj-1) & |
---|
| 1051 | & + ftsw(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
| 1052 | zv_trd(ji,jj) = - r1_12 * r1_e2v(ji,jj) * ( ftsw(ji,jj+1) * zwx(ji-1,jj+1) & |
---|
| 1053 | & + ftse(ji,jj+1) * zwx(ji ,jj+1) & |
---|
| 1054 | & + ftnw(ji,jj ) * zwx(ji-1,jj ) & |
---|
| 1055 | & + ftne(ji,jj ) * zwx(ji ,jj ) ) |
---|
[358] | 1056 | END DO |
---|
| 1057 | END DO |
---|
[508] | 1058 | ! |
---|
[9528] | 1059 | END SELECT |
---|
[4292] | 1060 | ! |
---|
| 1061 | ! Add tidal astronomical forcing if defined |
---|
[7646] | 1062 | IF ( ln_tide .AND. ln_tide_pot ) THEN |
---|
[4292] | 1063 | DO jj = 2, jpjm1 |
---|
| 1064 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5836] | 1065 | zu_spg = grav * ( pot_astro(ji+1,jj) - pot_astro(ji,jj) ) * r1_e1u(ji,jj) |
---|
| 1066 | zv_spg = grav * ( pot_astro(ji,jj+1) - pot_astro(ji,jj) ) * r1_e2v(ji,jj) |
---|
[4292] | 1067 | zu_trd(ji,jj) = zu_trd(ji,jj) + zu_spg |
---|
| 1068 | zv_trd(ji,jj) = zv_trd(ji,jj) + zv_spg |
---|
| 1069 | END DO |
---|
| 1070 | END DO |
---|
| 1071 | ENDIF |
---|
| 1072 | ! |
---|
[9023] | 1073 | ! Add bottom stresses: |
---|
| 1074 | !jth do implicitly instead |
---|
| 1075 | IF ( .NOT. ll_wd ) THEN ! Revert to explicit for bit comparison tests in non wad runs |
---|
[9045] | 1076 | DO jj = 2, jpjm1 |
---|
| 1077 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 1078 | zu_trd(ji,jj) = zu_trd(ji,jj) + zCdU_u(ji,jj) * un_e(ji,jj) * hur_e(ji,jj) |
---|
| 1079 | zv_trd(ji,jj) = zv_trd(ji,jj) + zCdU_v(ji,jj) * vn_e(ji,jj) * hvr_e(ji,jj) |
---|
| 1080 | END DO |
---|
| 1081 | END DO |
---|
[9023] | 1082 | ENDIF |
---|
[4292] | 1083 | ! |
---|
| 1084 | ! Surface pressure trend: |
---|
[9023] | 1085 | IF( ln_wd_il ) THEN |
---|
[6152] | 1086 | DO jj = 2, jpjm1 |
---|
| 1087 | DO ji = 2, jpim1 |
---|
| 1088 | ! Add surface pressure gradient |
---|
| 1089 | zu_spg = - grav * ( zsshp2_e(ji+1,jj) - zsshp2_e(ji,jj) ) * r1_e1u(ji,jj) |
---|
| 1090 | zv_spg = - grav * ( zsshp2_e(ji,jj+1) - zsshp2_e(ji,jj) ) * r1_e2v(ji,jj) |
---|
[9023] | 1091 | zwx(ji,jj) = (1._wp - rn_scal_load) * zu_spg * zcpx(ji,jj) |
---|
| 1092 | zwy(ji,jj) = (1._wp - rn_scal_load) * zv_spg * zcpy(ji,jj) |
---|
[6152] | 1093 | END DO |
---|
| 1094 | END DO |
---|
| 1095 | ELSE |
---|
| 1096 | DO jj = 2, jpjm1 |
---|
| 1097 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 1098 | ! Add surface pressure gradient |
---|
| 1099 | zu_spg = - grav * ( zsshp2_e(ji+1,jj) - zsshp2_e(ji,jj) ) * r1_e1u(ji,jj) |
---|
| 1100 | zv_spg = - grav * ( zsshp2_e(ji,jj+1) - zsshp2_e(ji,jj) ) * r1_e2v(ji,jj) |
---|
[9023] | 1101 | zwx(ji,jj) = (1._wp - rn_scal_load) * zu_spg |
---|
| 1102 | zwy(ji,jj) = (1._wp - rn_scal_load) * zv_spg |
---|
[6152] | 1103 | END DO |
---|
| 1104 | END DO |
---|
| 1105 | END IF |
---|
| 1106 | |
---|
[4292] | 1107 | ! |
---|
| 1108 | ! Set next velocities: |
---|
[9023] | 1109 | IF( ln_dynadv_vec .OR. ln_linssh ) THEN !* Vector form |
---|
[4292] | 1110 | DO jj = 2, jpjm1 |
---|
| 1111 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5930] | 1112 | ua_e(ji,jj) = ( un_e(ji,jj) & |
---|
[4292] | 1113 | & + rdtbt * ( zwx(ji,jj) & |
---|
| 1114 | & + zu_trd(ji,jj) & |
---|
| 1115 | & + zu_frc(ji,jj) ) & |
---|
[6140] | 1116 | & ) * ssumask(ji,jj) |
---|
[358] | 1117 | |
---|
[5930] | 1118 | va_e(ji,jj) = ( vn_e(ji,jj) & |
---|
[4292] | 1119 | & + rdtbt * ( zwy(ji,jj) & |
---|
| 1120 | & + zv_trd(ji,jj) & |
---|
| 1121 | & + zv_frc(ji,jj) ) & |
---|
[6140] | 1122 | & ) * ssvmask(ji,jj) |
---|
[9023] | 1123 | |
---|
[4292] | 1124 | END DO |
---|
| 1125 | END DO |
---|
[6140] | 1126 | ! |
---|
[9023] | 1127 | ELSE !* Flux form |
---|
[4292] | 1128 | DO jj = 2, jpjm1 |
---|
| 1129 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3294] | 1130 | |
---|
[9023] | 1131 | zhura = hu_0(ji,jj) + zsshu_a(ji,jj) |
---|
| 1132 | zhvra = hv_0(ji,jj) + zsshv_a(ji,jj) |
---|
| 1133 | |
---|
[6152] | 1134 | zhura = ssumask(ji,jj)/(zhura + 1._wp - ssumask(ji,jj)) |
---|
| 1135 | zhvra = ssvmask(ji,jj)/(zhvra + 1._wp - ssvmask(ji,jj)) |
---|
| 1136 | |
---|
[5930] | 1137 | ua_e(ji,jj) = ( hu_e(ji,jj) * un_e(ji,jj) & |
---|
[4292] | 1138 | & + rdtbt * ( zhust_e(ji,jj) * zwx(ji,jj) & |
---|
| 1139 | & + zhup2_e(ji,jj) * zu_trd(ji,jj) & |
---|
[6140] | 1140 | & + hu_n(ji,jj) * zu_frc(ji,jj) ) & |
---|
[4292] | 1141 | & ) * zhura |
---|
[358] | 1142 | |
---|
[5930] | 1143 | va_e(ji,jj) = ( hv_e(ji,jj) * vn_e(ji,jj) & |
---|
[4292] | 1144 | & + rdtbt * ( zhvst_e(ji,jj) * zwy(ji,jj) & |
---|
| 1145 | & + zhvp2_e(ji,jj) * zv_trd(ji,jj) & |
---|
[6140] | 1146 | & + hv_n(ji,jj) * zv_frc(ji,jj) ) & |
---|
[4292] | 1147 | & ) * zhvra |
---|
[592] | 1148 | END DO |
---|
| 1149 | END DO |
---|
[4292] | 1150 | ENDIF |
---|
[10272] | 1151 | !jth implicit bottom friction: |
---|
| 1152 | IF ( ll_wd ) THEN ! revert to explicit for bit comparison tests in non wad runs |
---|
| 1153 | DO jj = 2, jpjm1 |
---|
| 1154 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 1155 | ua_e(ji,jj) = ua_e(ji,jj) /(1.0 - rdtbt * zCdU_u(ji,jj) * hur_e(ji,jj)) |
---|
| 1156 | va_e(ji,jj) = va_e(ji,jj) /(1.0 - rdtbt * zCdU_v(ji,jj) * hvr_e(ji,jj)) |
---|
| 1157 | END DO |
---|
| 1158 | END DO |
---|
| 1159 | ENDIF |
---|
[9023] | 1160 | |
---|
| 1161 | |
---|
[6140] | 1162 | IF( .NOT.ln_linssh ) THEN !* Update ocean depth (variable volume case only) |
---|
[9023] | 1163 | hu_e (:,:) = hu_0(:,:) + zsshu_a(:,:) |
---|
| 1164 | hv_e (:,:) = hv_0(:,:) + zsshv_a(:,:) |
---|
[7753] | 1165 | hur_e(:,:) = ssumask(:,:) / ( hu_e(:,:) + 1._wp - ssumask(:,:) ) |
---|
| 1166 | hvr_e(:,:) = ssvmask(:,:) / ( hv_e(:,:) + 1._wp - ssvmask(:,:) ) |
---|
[1502] | 1167 | ! |
---|
[1438] | 1168 | ENDIF |
---|
[6140] | 1169 | ! !* domain lateral boundary |
---|
[10425] | 1170 | CALL lbc_lnk_multi( 'dynspg_ts', ua_e, 'U', -1._wp, va_e , 'V', -1._wp ) |
---|
[4292] | 1171 | ! |
---|
[6140] | 1172 | ! ! open boundaries |
---|
[7646] | 1173 | IF( ln_bdy ) CALL bdy_dyn2d( jn, ua_e, va_e, un_e, vn_e, hur_e, hvr_e, ssha_e ) |
---|
[4486] | 1174 | #if defined key_agrif |
---|
| 1175 | IF( .NOT.Agrif_Root() ) CALL agrif_dyn_ts( jn ) ! Agrif |
---|
[4292] | 1176 | #endif |
---|
| 1177 | ! !* Swap |
---|
| 1178 | ! ! ---- |
---|
[7753] | 1179 | ubb_e (:,:) = ub_e (:,:) |
---|
| 1180 | ub_e (:,:) = un_e (:,:) |
---|
| 1181 | un_e (:,:) = ua_e (:,:) |
---|
| 1182 | ! |
---|
| 1183 | vbb_e (:,:) = vb_e (:,:) |
---|
| 1184 | vb_e (:,:) = vn_e (:,:) |
---|
| 1185 | vn_e (:,:) = va_e (:,:) |
---|
| 1186 | ! |
---|
| 1187 | sshbb_e(:,:) = sshb_e(:,:) |
---|
| 1188 | sshb_e (:,:) = sshn_e(:,:) |
---|
| 1189 | sshn_e (:,:) = ssha_e(:,:) |
---|
[4292] | 1190 | |
---|
| 1191 | ! !* Sum over whole bt loop |
---|
| 1192 | ! ! ---------------------- |
---|
| 1193 | za1 = wgtbtp1(jn) |
---|
[6140] | 1194 | IF( ln_dynadv_vec .OR. ln_linssh ) THEN ! Sum velocities |
---|
[10919] | 1195 | puu_b (:,:,Kaa) = puu_b (:,:,Kaa) + za1 * ua_e (:,:) |
---|
| 1196 | pvv_b (:,:,Kaa) = pvv_b (:,:,Kaa) + za1 * va_e (:,:) |
---|
[9023] | 1197 | ELSE ! Sum transports |
---|
| 1198 | IF ( .NOT.ln_wd_dl ) THEN |
---|
[10919] | 1199 | puu_b (:,:,Kaa) = puu_b (:,:,Kaa) + za1 * ua_e (:,:) * hu_e (:,:) |
---|
| 1200 | pvv_b (:,:,Kaa) = pvv_b (:,:,Kaa) + za1 * va_e (:,:) * hv_e (:,:) |
---|
[9023] | 1201 | ELSE |
---|
[10919] | 1202 | puu_b (:,:,Kaa) = puu_b (:,:,Kaa) + za1 * ua_e (:,:) * hu_e (:,:) * zuwdmask(:,:) |
---|
| 1203 | pvv_b (:,:,Kaa) = pvv_b (:,:,Kaa) + za1 * va_e (:,:) * hv_e (:,:) * zvwdmask(:,:) |
---|
[9023] | 1204 | END IF |
---|
[4292] | 1205 | ENDIF |
---|
[9023] | 1206 | ! ! Sum sea level |
---|
[10919] | 1207 | pssh(:,:,Kaa) = pssh(:,:,Kaa) + za1 * ssha_e(:,:) |
---|
[9023] | 1208 | |
---|
[358] | 1209 | ! ! ==================== ! |
---|
| 1210 | END DO ! end loop ! |
---|
| 1211 | ! ! ==================== ! |
---|
[1438] | 1212 | ! ----------------------------------------------------------------------------- |
---|
[1502] | 1213 | ! Phase 3. update the general trend with the barotropic trend |
---|
[1438] | 1214 | ! ----------------------------------------------------------------------------- |
---|
[1502] | 1215 | ! |
---|
[4292] | 1216 | ! Set advection velocity correction: |
---|
[9023] | 1217 | IF (ln_bt_fw) THEN |
---|
| 1218 | zwx(:,:) = un_adv(:,:) |
---|
| 1219 | zwy(:,:) = vn_adv(:,:) |
---|
| 1220 | IF( .NOT.( kt == nit000 .AND. neuler==0 ) ) THEN |
---|
[9043] | 1221 | un_adv(:,:) = r1_2 * ( ub2_b(:,:) + zwx(:,:) - atfp * un_bf(:,:) ) |
---|
| 1222 | vn_adv(:,:) = r1_2 * ( vb2_b(:,:) + zwy(:,:) - atfp * vn_bf(:,:) ) |
---|
[9023] | 1223 | ! |
---|
| 1224 | ! Update corrective fluxes for next time step: |
---|
| 1225 | un_bf(:,:) = atfp * un_bf(:,:) + (zwx(:,:) - ub2_b(:,:)) |
---|
| 1226 | vn_bf(:,:) = atfp * vn_bf(:,:) + (zwy(:,:) - vb2_b(:,:)) |
---|
| 1227 | ELSE |
---|
| 1228 | un_bf(:,:) = 0._wp |
---|
| 1229 | vn_bf(:,:) = 0._wp |
---|
| 1230 | END IF |
---|
| 1231 | ! Save integrated transport for next computation |
---|
[7753] | 1232 | ub2_b(:,:) = zwx(:,:) |
---|
| 1233 | vb2_b(:,:) = zwy(:,:) |
---|
[4292] | 1234 | ENDIF |
---|
[9023] | 1235 | |
---|
| 1236 | |
---|
[4292] | 1237 | ! |
---|
| 1238 | ! Update barotropic trend: |
---|
[6140] | 1239 | IF( ln_dynadv_vec .OR. ln_linssh ) THEN |
---|
[4292] | 1240 | DO jk=1,jpkm1 |
---|
[10919] | 1241 | puu(:,:,jk,Krhs) = puu(:,:,jk,Krhs) + ( puu_b(:,:,Kaa) - puu_b(:,:,Kbb) ) * r1_2dt_b |
---|
| 1242 | pvv(:,:,jk,Krhs) = pvv(:,:,jk,Krhs) + ( pvv_b(:,:,Kaa) - pvv_b(:,:,Kbb) ) * r1_2dt_b |
---|
[4292] | 1243 | END DO |
---|
| 1244 | ELSE |
---|
[10919] | 1245 | ! At this stage, pssh(:,:,:,Krhs) has been corrected: compute new depths at velocity points |
---|
[5930] | 1246 | DO jj = 1, jpjm1 |
---|
| 1247 | DO ji = 1, jpim1 ! NO Vector Opt. |
---|
[9554] | 1248 | zsshu_a(ji,jj) = r1_2 * ssumask(ji,jj) * r1_e1e2u(ji,jj) & |
---|
[10919] | 1249 | & * ( e1e2t(ji ,jj) * pssh(ji ,jj,Kaa) & |
---|
| 1250 | & + e1e2t(ji+1,jj) * pssh(ji+1,jj,Kaa) ) |
---|
[9554] | 1251 | zsshv_a(ji,jj) = r1_2 * ssvmask(ji,jj) * r1_e1e2v(ji,jj) & |
---|
[10919] | 1252 | & * ( e1e2t(ji,jj ) * pssh(ji,jj ,Kaa) & |
---|
| 1253 | & + e1e2t(ji,jj+1) * pssh(ji,jj+1,Kaa) ) |
---|
[5930] | 1254 | END DO |
---|
| 1255 | END DO |
---|
[10425] | 1256 | CALL lbc_lnk_multi( 'dynspg_ts', zsshu_a, 'U', 1._wp, zsshv_a, 'V', 1._wp ) ! Boundary conditions |
---|
[5930] | 1257 | ! |
---|
[4292] | 1258 | DO jk=1,jpkm1 |
---|
[10919] | 1259 | puu(:,:,jk,Krhs) = puu(:,:,jk,Krhs) + r1_hu_n(:,:) * ( puu_b(:,:,Kaa) - puu_b(:,:,Kbb) * hu_b(:,:) ) * r1_2dt_b |
---|
| 1260 | pvv(:,:,jk,Krhs) = pvv(:,:,jk,Krhs) + r1_hv_n(:,:) * ( pvv_b(:,:,Kaa) - pvv_b(:,:,Kbb) * hv_b(:,:) ) * r1_2dt_b |
---|
[4292] | 1261 | END DO |
---|
| 1262 | ! Save barotropic velocities not transport: |
---|
[10919] | 1263 | puu_b(:,:,Kaa) = puu_b(:,:,Kaa) / ( hu_0(:,:) + zsshu_a(:,:) + 1._wp - ssumask(:,:) ) |
---|
| 1264 | pvv_b(:,:,Kaa) = pvv_b(:,:,Kaa) / ( hv_0(:,:) + zsshv_a(:,:) + 1._wp - ssvmask(:,:) ) |
---|
[4292] | 1265 | ENDIF |
---|
[9023] | 1266 | |
---|
| 1267 | |
---|
| 1268 | ! Correct velocities so that the barotropic velocity equals (un_adv, vn_adv) (in all cases) |
---|
[4292] | 1269 | DO jk = 1, jpkm1 |
---|
[10919] | 1270 | puu(:,:,jk,Kmm) = ( puu(:,:,jk,Kmm) + un_adv(:,:)*r1_hu_n(:,:) - puu_b(:,:,Kmm) ) * umask(:,:,jk) |
---|
| 1271 | pvv(:,:,jk,Kmm) = ( pvv(:,:,jk,Kmm) + vn_adv(:,:)*r1_hv_n(:,:) - pvv_b(:,:,Kmm) ) * vmask(:,:,jk) |
---|
[358] | 1272 | END DO |
---|
[9023] | 1273 | |
---|
| 1274 | IF ( ln_wd_dl .and. ln_wd_dl_bc) THEN |
---|
| 1275 | DO jk = 1, jpkm1 |
---|
[10919] | 1276 | puu(:,:,jk,Kmm) = ( un_adv(:,:)*r1_hu_n(:,:) & |
---|
| 1277 | & + zuwdav2(:,:)*(puu(:,:,jk,Kmm) - un_adv(:,:)*r1_hu_n(:,:)) ) * umask(:,:,jk) |
---|
| 1278 | pvv(:,:,jk,Kmm) = ( vn_adv(:,:)*r1_hv_n(:,:) & |
---|
| 1279 | & + zvwdav2(:,:)*(pvv(:,:,jk,Kmm) - vn_adv(:,:)*r1_hv_n(:,:)) ) * vmask(:,:,jk) |
---|
[9023] | 1280 | END DO |
---|
| 1281 | END IF |
---|
| 1282 | |
---|
| 1283 | |
---|
| 1284 | CALL iom_put( "ubar", un_adv(:,:)*r1_hu_n(:,:) ) ! barotropic i-current |
---|
| 1285 | CALL iom_put( "vbar", vn_adv(:,:)*r1_hv_n(:,:) ) ! barotropic i-current |
---|
[1502] | 1286 | ! |
---|
[4486] | 1287 | #if defined key_agrif |
---|
| 1288 | ! Save time integrated fluxes during child grid integration |
---|
[5656] | 1289 | ! (used to update coarse grid transports at next time step) |
---|
[4486] | 1290 | ! |
---|
[6140] | 1291 | IF( .NOT.Agrif_Root() .AND. ln_bt_fw ) THEN |
---|
| 1292 | IF( Agrif_NbStepint() == 0 ) THEN |
---|
[7753] | 1293 | ub2_i_b(:,:) = 0._wp |
---|
| 1294 | vb2_i_b(:,:) = 0._wp |
---|
[4486] | 1295 | END IF |
---|
| 1296 | ! |
---|
| 1297 | za1 = 1._wp / REAL(Agrif_rhot(), wp) |
---|
[7753] | 1298 | ub2_i_b(:,:) = ub2_i_b(:,:) + za1 * ub2_b(:,:) |
---|
| 1299 | vb2_i_b(:,:) = vb2_i_b(:,:) + za1 * vb2_b(:,:) |
---|
[4486] | 1300 | ENDIF |
---|
| 1301 | #endif |
---|
[1502] | 1302 | ! !* write time-spliting arrays in the restart |
---|
[6140] | 1303 | IF( lrst_oce .AND.ln_bt_fw ) CALL ts_rst( kt, 'WRITE' ) |
---|
[508] | 1304 | ! |
---|
[9023] | 1305 | IF( ln_wd_il ) DEALLOCATE( zcpx, zcpy ) |
---|
| 1306 | IF( ln_wd_dl ) DEALLOCATE( ztwdmask, zuwdmask, zvwdmask, zuwdav2, zvwdav2 ) |
---|
[1662] | 1307 | ! |
---|
[9019] | 1308 | IF( ln_diatmb ) THEN |
---|
[9554] | 1309 | CALL iom_put( "baro_u" , un_b*ssumask(:,:)+zmdi*(1.-ssumask(:,:) ) ) ! Barotropic U Velocity |
---|
| 1310 | CALL iom_put( "baro_v" , vn_b*ssvmask(:,:)+zmdi*(1.-ssvmask(:,:) ) ) ! Barotropic V Velocity |
---|
[6140] | 1311 | ENDIF |
---|
[2715] | 1312 | ! |
---|
[508] | 1313 | END SUBROUTINE dyn_spg_ts |
---|
| 1314 | |
---|
[6140] | 1315 | |
---|
[4292] | 1316 | SUBROUTINE ts_wgt( ll_av, ll_fw, jpit, zwgt1, zwgt2) |
---|
| 1317 | !!--------------------------------------------------------------------- |
---|
| 1318 | !! *** ROUTINE ts_wgt *** |
---|
| 1319 | !! |
---|
| 1320 | !! ** Purpose : Set time-splitting weights for temporal averaging (or not) |
---|
| 1321 | !!---------------------------------------------------------------------- |
---|
| 1322 | LOGICAL, INTENT(in) :: ll_av ! temporal averaging=.true. |
---|
| 1323 | LOGICAL, INTENT(in) :: ll_fw ! forward time splitting =.true. |
---|
| 1324 | INTEGER, INTENT(inout) :: jpit ! cycle length |
---|
| 1325 | REAL(wp), DIMENSION(3*nn_baro), INTENT(inout) :: zwgt1, & ! Primary weights |
---|
| 1326 | zwgt2 ! Secondary weights |
---|
| 1327 | |
---|
| 1328 | INTEGER :: jic, jn, ji ! temporary integers |
---|
| 1329 | REAL(wp) :: za1, za2 |
---|
| 1330 | !!---------------------------------------------------------------------- |
---|
[508] | 1331 | |
---|
[4292] | 1332 | zwgt1(:) = 0._wp |
---|
| 1333 | zwgt2(:) = 0._wp |
---|
| 1334 | |
---|
| 1335 | ! Set time index when averaged value is requested |
---|
| 1336 | IF (ll_fw) THEN |
---|
| 1337 | jic = nn_baro |
---|
| 1338 | ELSE |
---|
| 1339 | jic = 2 * nn_baro |
---|
| 1340 | ENDIF |
---|
| 1341 | |
---|
| 1342 | ! Set primary weights: |
---|
| 1343 | IF (ll_av) THEN |
---|
| 1344 | ! Define simple boxcar window for primary weights |
---|
| 1345 | ! (width = nn_baro, centered around jic) |
---|
| 1346 | SELECT CASE ( nn_bt_flt ) |
---|
| 1347 | CASE( 0 ) ! No averaging |
---|
| 1348 | zwgt1(jic) = 1._wp |
---|
| 1349 | jpit = jic |
---|
| 1350 | |
---|
| 1351 | CASE( 1 ) ! Boxcar, width = nn_baro |
---|
| 1352 | DO jn = 1, 3*nn_baro |
---|
| 1353 | za1 = ABS(float(jn-jic))/float(nn_baro) |
---|
| 1354 | IF (za1 < 0.5_wp) THEN |
---|
| 1355 | zwgt1(jn) = 1._wp |
---|
| 1356 | jpit = jn |
---|
| 1357 | ENDIF |
---|
| 1358 | ENDDO |
---|
| 1359 | |
---|
| 1360 | CASE( 2 ) ! Boxcar, width = 2 * nn_baro |
---|
| 1361 | DO jn = 1, 3*nn_baro |
---|
| 1362 | za1 = ABS(float(jn-jic))/float(nn_baro) |
---|
| 1363 | IF (za1 < 1._wp) THEN |
---|
| 1364 | zwgt1(jn) = 1._wp |
---|
| 1365 | jpit = jn |
---|
| 1366 | ENDIF |
---|
| 1367 | ENDDO |
---|
| 1368 | CASE DEFAULT ; CALL ctl_stop( 'unrecognised value for nn_bt_flt' ) |
---|
| 1369 | END SELECT |
---|
| 1370 | |
---|
| 1371 | ELSE ! No time averaging |
---|
| 1372 | zwgt1(jic) = 1._wp |
---|
| 1373 | jpit = jic |
---|
| 1374 | ENDIF |
---|
| 1375 | |
---|
| 1376 | ! Set secondary weights |
---|
| 1377 | DO jn = 1, jpit |
---|
| 1378 | DO ji = jn, jpit |
---|
| 1379 | zwgt2(jn) = zwgt2(jn) + zwgt1(ji) |
---|
| 1380 | END DO |
---|
| 1381 | END DO |
---|
| 1382 | |
---|
| 1383 | ! Normalize weigths: |
---|
| 1384 | za1 = 1._wp / SUM(zwgt1(1:jpit)) |
---|
| 1385 | za2 = 1._wp / SUM(zwgt2(1:jpit)) |
---|
| 1386 | DO jn = 1, jpit |
---|
| 1387 | zwgt1(jn) = zwgt1(jn) * za1 |
---|
| 1388 | zwgt2(jn) = zwgt2(jn) * za2 |
---|
| 1389 | END DO |
---|
| 1390 | ! |
---|
| 1391 | END SUBROUTINE ts_wgt |
---|
| 1392 | |
---|
[6140] | 1393 | |
---|
[508] | 1394 | SUBROUTINE ts_rst( kt, cdrw ) |
---|
| 1395 | !!--------------------------------------------------------------------- |
---|
| 1396 | !! *** ROUTINE ts_rst *** |
---|
| 1397 | !! |
---|
| 1398 | !! ** Purpose : Read or write time-splitting arrays in restart file |
---|
| 1399 | !!---------------------------------------------------------------------- |
---|
[9528] | 1400 | INTEGER , INTENT(in) :: kt ! ocean time-step |
---|
| 1401 | CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
[508] | 1402 | !!---------------------------------------------------------------------- |
---|
| 1403 | ! |
---|
[9506] | 1404 | IF( TRIM(cdrw) == 'READ' ) THEN ! Read/initialise |
---|
| 1405 | ! ! --------------- |
---|
[10256] | 1406 | IF( ln_rstart .AND. ln_bt_fw .AND. (neuler/=0) ) THEN !* Read the restart file |
---|
[9506] | 1407 | CALL iom_get( numror, jpdom_autoglo, 'ub2_b' , ub2_b (:,:), ldxios = lrxios ) |
---|
| 1408 | CALL iom_get( numror, jpdom_autoglo, 'vb2_b' , vb2_b (:,:), ldxios = lrxios ) |
---|
| 1409 | CALL iom_get( numror, jpdom_autoglo, 'un_bf' , un_bf (:,:), ldxios = lrxios ) |
---|
| 1410 | CALL iom_get( numror, jpdom_autoglo, 'vn_bf' , vn_bf (:,:), ldxios = lrxios ) |
---|
| 1411 | IF( .NOT.ln_bt_av ) THEN |
---|
| 1412 | CALL iom_get( numror, jpdom_autoglo, 'sshbb_e' , sshbb_e(:,:), ldxios = lrxios ) |
---|
| 1413 | CALL iom_get( numror, jpdom_autoglo, 'ubb_e' , ubb_e(:,:), ldxios = lrxios ) |
---|
| 1414 | CALL iom_get( numror, jpdom_autoglo, 'vbb_e' , vbb_e(:,:), ldxios = lrxios ) |
---|
| 1415 | CALL iom_get( numror, jpdom_autoglo, 'sshb_e' , sshb_e(:,:), ldxios = lrxios ) |
---|
| 1416 | CALL iom_get( numror, jpdom_autoglo, 'ub_e' , ub_e(:,:), ldxios = lrxios ) |
---|
| 1417 | CALL iom_get( numror, jpdom_autoglo, 'vb_e' , vb_e(:,:), ldxios = lrxios ) |
---|
| 1418 | ENDIF |
---|
[4486] | 1419 | #if defined key_agrif |
---|
[9506] | 1420 | ! Read time integrated fluxes |
---|
| 1421 | IF ( .NOT.Agrif_Root() ) THEN |
---|
| 1422 | CALL iom_get( numror, jpdom_autoglo, 'ub2_i_b' , ub2_i_b(:,:), ldxios = lrxios ) |
---|
| 1423 | CALL iom_get( numror, jpdom_autoglo, 'vb2_i_b' , vb2_i_b(:,:), ldxios = lrxios ) |
---|
| 1424 | ENDIF |
---|
| 1425 | #endif |
---|
| 1426 | ELSE !* Start from rest |
---|
| 1427 | IF(lwp) WRITE(numout,*) |
---|
| 1428 | IF(lwp) WRITE(numout,*) ' ==>>> start from rest: set barotropic values to 0' |
---|
| 1429 | ub2_b (:,:) = 0._wp ; vb2_b (:,:) = 0._wp ! used in the 1st interpol of agrif |
---|
| 1430 | un_adv(:,:) = 0._wp ; vn_adv(:,:) = 0._wp ! used in the 1st interpol of agrif |
---|
| 1431 | un_bf (:,:) = 0._wp ; vn_bf (:,:) = 0._wp ! used in the 1st update of agrif |
---|
| 1432 | #if defined key_agrif |
---|
| 1433 | IF ( .NOT.Agrif_Root() ) THEN |
---|
| 1434 | ub2_i_b(:,:) = 0._wp ; vb2_i_b(:,:) = 0._wp ! used in the 1st update of agrif |
---|
| 1435 | ENDIF |
---|
| 1436 | #endif |
---|
[4486] | 1437 | ENDIF |
---|
[9506] | 1438 | ! |
---|
| 1439 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file |
---|
| 1440 | ! ! ------------------- |
---|
| 1441 | IF(lwp) WRITE(numout,*) '---- ts_rst ----' |
---|
[9367] | 1442 | IF( lwxios ) CALL iom_swap( cwxios_context ) |
---|
| 1443 | CALL iom_rstput( kt, nitrst, numrow, 'ub2_b' , ub2_b (:,:), ldxios = lwxios ) |
---|
| 1444 | CALL iom_rstput( kt, nitrst, numrow, 'vb2_b' , vb2_b (:,:), ldxios = lwxios ) |
---|
| 1445 | CALL iom_rstput( kt, nitrst, numrow, 'un_bf' , un_bf (:,:), ldxios = lwxios ) |
---|
| 1446 | CALL iom_rstput( kt, nitrst, numrow, 'vn_bf' , vn_bf (:,:), ldxios = lwxios ) |
---|
[4292] | 1447 | ! |
---|
| 1448 | IF (.NOT.ln_bt_av) THEN |
---|
[9367] | 1449 | CALL iom_rstput( kt, nitrst, numrow, 'sshbb_e' , sshbb_e(:,:), ldxios = lwxios ) |
---|
| 1450 | CALL iom_rstput( kt, nitrst, numrow, 'ubb_e' , ubb_e(:,:), ldxios = lwxios ) |
---|
| 1451 | CALL iom_rstput( kt, nitrst, numrow, 'vbb_e' , vbb_e(:,:), ldxios = lwxios ) |
---|
| 1452 | CALL iom_rstput( kt, nitrst, numrow, 'sshb_e' , sshb_e(:,:), ldxios = lwxios ) |
---|
| 1453 | CALL iom_rstput( kt, nitrst, numrow, 'ub_e' , ub_e(:,:), ldxios = lwxios ) |
---|
| 1454 | CALL iom_rstput( kt, nitrst, numrow, 'vb_e' , vb_e(:,:), ldxios = lwxios ) |
---|
[4292] | 1455 | ENDIF |
---|
[4486] | 1456 | #if defined key_agrif |
---|
| 1457 | ! Save time integrated fluxes |
---|
| 1458 | IF ( .NOT.Agrif_Root() ) THEN |
---|
[9367] | 1459 | CALL iom_rstput( kt, nitrst, numrow, 'ub2_i_b' , ub2_i_b(:,:), ldxios = lwxios ) |
---|
| 1460 | CALL iom_rstput( kt, nitrst, numrow, 'vb2_i_b' , vb2_i_b(:,:), ldxios = lwxios ) |
---|
[4486] | 1461 | ENDIF |
---|
| 1462 | #endif |
---|
[9367] | 1463 | IF( lwxios ) CALL iom_swap( cxios_context ) |
---|
[4292] | 1464 | ENDIF |
---|
| 1465 | ! |
---|
| 1466 | END SUBROUTINE ts_rst |
---|
[2528] | 1467 | |
---|
[6140] | 1468 | |
---|
| 1469 | SUBROUTINE dyn_spg_ts_init |
---|
[4292] | 1470 | !!--------------------------------------------------------------------- |
---|
| 1471 | !! *** ROUTINE dyn_spg_ts_init *** |
---|
| 1472 | !! |
---|
| 1473 | !! ** Purpose : Set time splitting options |
---|
| 1474 | !!---------------------------------------------------------------------- |
---|
[6140] | 1475 | INTEGER :: ji ,jj ! dummy loop indices |
---|
| 1476 | REAL(wp) :: zxr2, zyr2, zcmax ! local scalar |
---|
[9019] | 1477 | REAL(wp), DIMENSION(jpi,jpj) :: zcu |
---|
[4292] | 1478 | !!---------------------------------------------------------------------- |
---|
[4370] | 1479 | ! |
---|
[5930] | 1480 | ! Max courant number for ext. grav. waves |
---|
[4370] | 1481 | ! |
---|
[5930] | 1482 | DO jj = 1, jpj |
---|
| 1483 | DO ji =1, jpi |
---|
| 1484 | zxr2 = r1_e1t(ji,jj) * r1_e1t(ji,jj) |
---|
| 1485 | zyr2 = r1_e2t(ji,jj) * r1_e2t(ji,jj) |
---|
[7646] | 1486 | zcu(ji,jj) = SQRT( grav * MAX(ht_0(ji,jj),0._wp) * (zxr2 + zyr2) ) |
---|
[4370] | 1487 | END DO |
---|
[5930] | 1488 | END DO |
---|
| 1489 | ! |
---|
[5836] | 1490 | zcmax = MAXVAL( zcu(:,:) ) |
---|
[10425] | 1491 | CALL mpp_max( 'dynspg_ts', zcmax ) |
---|
[2528] | 1492 | |
---|
[4370] | 1493 | ! Estimate number of iterations to satisfy a max courant number= rn_bt_cmax |
---|
[6140] | 1494 | IF( ln_bt_auto ) nn_baro = CEILING( rdt / rn_bt_cmax * zcmax) |
---|
[4292] | 1495 | |
---|
[5836] | 1496 | rdtbt = rdt / REAL( nn_baro , wp ) |
---|
[4292] | 1497 | zcmax = zcmax * rdtbt |
---|
[9023] | 1498 | ! Print results |
---|
[4292] | 1499 | IF(lwp) WRITE(numout,*) |
---|
[9169] | 1500 | IF(lwp) WRITE(numout,*) 'dyn_spg_ts_init : split-explicit free surface' |
---|
| 1501 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~' |
---|
[5930] | 1502 | IF( ln_bt_auto ) THEN |
---|
[9169] | 1503 | IF(lwp) WRITE(numout,*) ' ln_ts_auto =.true. Automatically set nn_baro ' |
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[4370] | 1504 | IF(lwp) WRITE(numout,*) ' Max. courant number allowed: ', rn_bt_cmax |
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[4292] | 1505 | ELSE |
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[9169] | 1506 | IF(lwp) WRITE(numout,*) ' ln_ts_auto=.false.: Use nn_baro in namelist nn_baro = ', nn_baro |
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[358] | 1507 | ENDIF |
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[4292] | 1508 | |
---|
| 1509 | IF(ln_bt_av) THEN |
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[9169] | 1510 | IF(lwp) WRITE(numout,*) ' ln_bt_av =.true. ==> Time averaging over nn_baro time steps is on ' |
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[4292] | 1511 | ELSE |
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[9169] | 1512 | IF(lwp) WRITE(numout,*) ' ln_bt_av =.false. => No time averaging of barotropic variables ' |
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[4292] | 1513 | ENDIF |
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[508] | 1514 | ! |
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[4292] | 1515 | ! |
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| 1516 | IF(ln_bt_fw) THEN |
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[4370] | 1517 | IF(lwp) WRITE(numout,*) ' ln_bt_fw=.true. => Forward integration of barotropic variables ' |
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[4292] | 1518 | ELSE |
---|
[4370] | 1519 | IF(lwp) WRITE(numout,*) ' ln_bt_fw =.false.=> Centred integration of barotropic variables ' |
---|
[4292] | 1520 | ENDIF |
---|
| 1521 | ! |
---|
[4486] | 1522 | #if defined key_agrif |
---|
| 1523 | ! Restrict the use of Agrif to the forward case only |
---|
[9023] | 1524 | !!! IF( .NOT.ln_bt_fw .AND. .NOT.Agrif_Root() ) CALL ctl_stop( 'AGRIF not implemented if ln_bt_fw=.FALSE.' ) |
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[4486] | 1525 | #endif |
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| 1526 | ! |
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[4370] | 1527 | IF(lwp) WRITE(numout,*) ' Time filter choice, nn_bt_flt: ', nn_bt_flt |
---|
[4292] | 1528 | SELECT CASE ( nn_bt_flt ) |
---|
[6140] | 1529 | CASE( 0 ) ; IF(lwp) WRITE(numout,*) ' Dirac' |
---|
| 1530 | CASE( 1 ) ; IF(lwp) WRITE(numout,*) ' Boxcar: width = nn_baro' |
---|
| 1531 | CASE( 2 ) ; IF(lwp) WRITE(numout,*) ' Boxcar: width = 2*nn_baro' |
---|
[9169] | 1532 | CASE DEFAULT ; CALL ctl_stop( 'unrecognised value for nn_bt_flt: should 0,1, or 2' ) |
---|
[4292] | 1533 | END SELECT |
---|
| 1534 | ! |
---|
[4370] | 1535 | IF(lwp) WRITE(numout,*) ' ' |
---|
| 1536 | IF(lwp) WRITE(numout,*) ' nn_baro = ', nn_baro |
---|
| 1537 | IF(lwp) WRITE(numout,*) ' Barotropic time step [s] is :', rdtbt |
---|
| 1538 | IF(lwp) WRITE(numout,*) ' Maximum Courant number is :', zcmax |
---|
| 1539 | ! |
---|
[9023] | 1540 | IF(lwp) WRITE(numout,*) ' Time diffusion parameter rn_bt_alpha: ', rn_bt_alpha |
---|
| 1541 | IF ((ln_bt_av.AND.nn_bt_flt/=0).AND.(rn_bt_alpha>0._wp)) THEN |
---|
| 1542 | CALL ctl_stop( 'dynspg_ts ERROR: if rn_bt_alpha > 0, remove temporal averaging' ) |
---|
| 1543 | ENDIF |
---|
| 1544 | ! |
---|
[6140] | 1545 | IF( .NOT.ln_bt_av .AND. .NOT.ln_bt_fw ) THEN |
---|
[4292] | 1546 | CALL ctl_stop( 'dynspg_ts ERROR: No time averaging => only forward integration is possible' ) |
---|
| 1547 | ENDIF |
---|
[6140] | 1548 | IF( zcmax>0.9_wp ) THEN |
---|
[4292] | 1549 | CALL ctl_stop( 'dynspg_ts ERROR: Maximum Courant number is greater than 0.9: Inc. nn_baro !' ) |
---|
| 1550 | ENDIF |
---|
| 1551 | ! |
---|
[9124] | 1552 | ! ! Allocate time-splitting arrays |
---|
| 1553 | IF( dyn_spg_ts_alloc() /= 0 ) CALL ctl_stop('STOP', 'dyn_spg_init: failed to allocate dynspg_ts arrays' ) |
---|
| 1554 | ! |
---|
| 1555 | ! ! read restart when needed |
---|
[9506] | 1556 | CALL ts_rst( nit000, 'READ' ) |
---|
[9124] | 1557 | ! |
---|
[9367] | 1558 | IF( lwxios ) THEN |
---|
| 1559 | ! define variables in restart file when writing with XIOS |
---|
| 1560 | CALL iom_set_rstw_var_active('ub2_b') |
---|
| 1561 | CALL iom_set_rstw_var_active('vb2_b') |
---|
| 1562 | CALL iom_set_rstw_var_active('un_bf') |
---|
| 1563 | CALL iom_set_rstw_var_active('vn_bf') |
---|
| 1564 | ! |
---|
| 1565 | IF (.NOT.ln_bt_av) THEN |
---|
| 1566 | CALL iom_set_rstw_var_active('sshbb_e') |
---|
| 1567 | CALL iom_set_rstw_var_active('ubb_e') |
---|
| 1568 | CALL iom_set_rstw_var_active('vbb_e') |
---|
| 1569 | CALL iom_set_rstw_var_active('sshb_e') |
---|
| 1570 | CALL iom_set_rstw_var_active('ub_e') |
---|
| 1571 | CALL iom_set_rstw_var_active('vb_e') |
---|
| 1572 | ENDIF |
---|
| 1573 | #if defined key_agrif |
---|
| 1574 | ! Save time integrated fluxes |
---|
| 1575 | IF ( .NOT.Agrif_Root() ) THEN |
---|
| 1576 | CALL iom_set_rstw_var_active('ub2_i_b') |
---|
| 1577 | CALL iom_set_rstw_var_active('vb2_i_b') |
---|
| 1578 | ENDIF |
---|
| 1579 | #endif |
---|
| 1580 | ENDIF |
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| 1581 | ! |
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[4292] | 1582 | END SUBROUTINE dyn_spg_ts_init |
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[508] | 1583 | |
---|
[358] | 1584 | !!====================================================================== |
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| 1585 | END MODULE dynspg_ts |
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