[3] | 1 | MODULE istate |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE istate *** |
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| 4 | !! Ocean state : initial state setting |
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| 5 | !!===================================================================== |
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[2104] | 6 | !! History : OPA ! 1989-12 (P. Andrich) Original code |
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| 7 | !! 5.0 ! 1991-11 (G. Madec) rewritting |
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| 8 | !! 6.0 ! 1996-01 (G. Madec) terrain following coordinates |
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| 9 | !! 8.0 ! 2001-09 (M. Levy, M. Ben Jelloul) istate_eel |
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| 10 | !! 8.0 ! 2001-09 (M. Levy, M. Ben Jelloul) istate_uvg |
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| 11 | !! NEMO 1.0 ! 2003-08 (G. Madec, C. Talandier) F90: Free form, modules + EEL R5 |
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| 12 | !! - ! 2004-05 (A. Koch-Larrouy) istate_gyre |
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| 13 | !! 2.0 ! 2006-07 (S. Masson) distributed restart using iom |
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| 14 | !! 3.3 ! 2010-10 (C. Ethe) merge TRC-TRA |
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[3294] | 15 | !! 3.4 ! 2011-04 (G. Madec) Merge of dtatem and dtasal & suppression of tb,tn/sb,sn |
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[7646] | 16 | !! 3.7 ! 2016-04 (S. Flavoni) introduce user defined initial state |
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[508] | 17 | !!---------------------------------------------------------------------- |
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[3] | 18 | |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | !! istate_init : initial state setting |
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| 21 | !! istate_uvg : initial velocity in geostropic balance |
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| 22 | !!---------------------------------------------------------------------- |
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[7646] | 23 | USE oce ! ocean dynamics and active tracers |
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| 24 | USE dom_oce ! ocean space and time domain |
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| 25 | USE daymod ! calendar |
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| 26 | USE dtatsd ! data temperature and salinity (dta_tsd routine) |
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| 27 | USE dtauvd ! data: U & V current (dta_uvd routine) |
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[593] | 28 | USE domvvl ! varying vertical mesh |
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[7646] | 29 | USE wet_dry ! wetting and drying (needed for wad_istate) |
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| 30 | USE usrdef_istate ! User defined initial state |
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[4990] | 31 | ! |
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| 32 | USE in_out_manager ! I/O manager |
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| 33 | USE iom ! I/O library |
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[2715] | 34 | USE lib_mpp ! MPP library |
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[3680] | 35 | USE restart ! restart |
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[2715] | 36 | |
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[3] | 37 | IMPLICIT NONE |
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| 38 | PRIVATE |
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| 39 | |
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[508] | 40 | PUBLIC istate_init ! routine called by step.F90 |
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[3] | 41 | |
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| 42 | !! * Substitutions |
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[12377] | 43 | # include "do_loop_substitute.h90" |
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[3] | 44 | !!---------------------------------------------------------------------- |
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[9598] | 45 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[888] | 46 | !! $Id$ |
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[10068] | 47 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3] | 48 | !!---------------------------------------------------------------------- |
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| 49 | CONTAINS |
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| 50 | |
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[12377] | 51 | SUBROUTINE istate_init( Kbb, Kmm, Kaa ) |
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[3] | 52 | !!---------------------------------------------------------------------- |
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| 53 | !! *** ROUTINE istate_init *** |
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| 54 | !! |
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[508] | 55 | !! ** Purpose : Initialization of the dynamics and tracer fields. |
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[3] | 56 | !!---------------------------------------------------------------------- |
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[12377] | 57 | INTEGER, INTENT( in ) :: Kbb, Kmm, Kaa ! ocean time level indices |
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| 58 | ! |
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[7753] | 59 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[9019] | 60 | !!gm see comment further down |
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| 61 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: zuvd ! U & V data workspace |
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| 62 | !!gm end |
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[3294] | 63 | !!---------------------------------------------------------------------- |
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| 64 | ! |
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[5836] | 65 | IF(lwp) WRITE(numout,*) |
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[7646] | 66 | IF(lwp) WRITE(numout,*) 'istate_init : Initialization of the dynamics and tracers' |
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| 67 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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[3] | 68 | |
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[7646] | 69 | !!gm Why not include in the first call of dta_tsd ? |
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| 70 | !!gm probably associated with the use of internal damping... |
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[5836] | 71 | CALL dta_tsd_init ! Initialisation of T & S input data |
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[7646] | 72 | !!gm to be moved in usrdef of C1D case |
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| 73 | ! IF( lk_c1d ) CALL dta_uvd_init ! Initialization of U & V input data |
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| 74 | !!gm |
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[3] | 75 | |
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[7753] | 76 | rhd (:,:,: ) = 0._wp ; rhop (:,:,: ) = 0._wp ! set one for all to 0 at level jpk |
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| 77 | rn2b (:,:,: ) = 0._wp ; rn2 (:,:,: ) = 0._wp ! set one for all to 0 at levels 1 and jpk |
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[12377] | 78 | ts (:,:,:,:,Kaa) = 0._wp ! set one for all to 0 at level jpk |
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[7753] | 79 | rab_b(:,:,:,:) = 0._wp ; rab_n(:,:,:,:) = 0._wp ! set one for all to 0 at level jpk |
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[9453] | 80 | #if defined key_agrif |
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[12377] | 81 | uu (:,:,: ,Kaa) = 0._wp ! used in agrif_oce_sponge at initialization |
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| 82 | vv (:,:,: ,Kaa) = 0._wp ! used in agrif_oce_sponge at initialization |
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[9453] | 83 | #endif |
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[7753] | 84 | |
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[15] | 85 | IF( ln_rstart ) THEN ! Restart from a file |
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[3] | 86 | ! ! ------------------- |
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[12377] | 87 | CALL rst_read( Kbb, Kmm ) ! Read the restart file |
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[6140] | 88 | CALL day_init ! model calendar (using both namelist and restart infos) |
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[7646] | 89 | ! |
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| 90 | ELSE ! Start from rest |
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[3] | 91 | ! ! --------------- |
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[7646] | 92 | numror = 0 ! define numror = 0 -> no restart file to read |
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[12489] | 93 | l_1st_euler = .true. ! Set time-step indicator at nit000 (euler forward) |
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[7646] | 94 | CALL day_init ! model calendar (using both namelist and restart infos) |
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| 95 | ! ! Initialization of ocean to zero |
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[508] | 96 | ! |
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[7646] | 97 | IF( ln_tsd_init ) THEN |
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[12377] | 98 | CALL dta_tsd( nit000, ts(:,:,:,:,Kbb) ) ! read 3D T and S data at nit000 |
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[7646] | 99 | ! |
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[12377] | 100 | ssh(:,:,Kbb) = 0._wp ! set the ocean at rest |
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[10499] | 101 | IF( ll_wd ) THEN |
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[12377] | 102 | ssh(:,:,Kbb) = -ssh_ref ! Added in 30 here for bathy that adds 30 as Iterative test CEOD |
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[10499] | 103 | ! |
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| 104 | ! Apply minimum wetdepth criterion |
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| 105 | ! |
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[12377] | 106 | DO_2D_11_11 |
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| 107 | IF( ht_0(ji,jj) + ssh(ji,jj,Kbb) < rn_wdmin1 ) THEN |
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| 108 | ssh(ji,jj,Kbb) = tmask(ji,jj,1)*( rn_wdmin1 - (ht_0(ji,jj)) ) |
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| 109 | ENDIF |
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| 110 | END_2D |
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[10499] | 111 | ENDIF |
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[12377] | 112 | uu (:,:,:,Kbb) = 0._wp |
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| 113 | vv (:,:,:,Kbb) = 0._wp |
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[7646] | 114 | ! |
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| 115 | ELSE ! user defined initial T and S |
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[12377] | 116 | CALL usr_def_istate( gdept(:,:,:,Kbb), tmask, ts(:,:,:,:,Kbb), uu(:,:,:,Kbb), vv(:,:,:,Kbb), ssh(:,:,Kbb) ) |
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[3] | 117 | ENDIF |
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[12377] | 118 | ts (:,:,:,:,Kmm) = ts (:,:,:,:,Kbb) ! set now values from to before ones |
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| 119 | ssh (:,:,Kmm) = ssh(:,:,Kbb) |
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| 120 | uu (:,:,:,Kmm) = uu (:,:,:,Kbb) |
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| 121 | vv (:,:,:,Kmm) = vv (:,:,:,Kbb) |
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[7646] | 122 | |
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| 123 | !!gm POTENTIAL BUG : |
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[12377] | 124 | !!gm ISSUE : if ssh(:,:,Kbb) /= 0 then, in non linear free surface, the e3._n, e3._b should be recomputed |
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[7646] | 125 | !! as well as gdept and gdepw.... !!!!! |
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| 126 | !! ===>>>> probably a call to domvvl initialisation here.... |
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| 127 | |
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| 128 | |
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[6140] | 129 | ! |
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[7646] | 130 | !!gm to be moved in usrdef of C1D case |
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| 131 | ! IF ( ln_uvd_init .AND. lk_c1d ) THEN ! read 3D U and V data at nit000 |
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[9019] | 132 | ! ALLOCATE( zuvd(jpi,jpj,jpk,2) ) |
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[7646] | 133 | ! CALL dta_uvd( nit000, zuvd ) |
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[12377] | 134 | ! uu(:,:,:,Kbb) = zuvd(:,:,:,1) ; uu(:,:,:,Kmm) = uu(:,:,:,Kbb) |
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| 135 | ! vv(:,:,:,Kbb) = zuvd(:,:,:,2) ; vv(:,:,:,Kmm) = vv(:,:,:,Kbb) |
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[9019] | 136 | ! DEALLOCATE( zuvd ) |
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[7646] | 137 | ! ENDIF |
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| 138 | ! |
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[6140] | 139 | !!gm This is to be changed !!!! |
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[12377] | 140 | ! ! - ML - ssh(:,:,Kmm) could be modified by istate_eel, so that initialization of e3t(:,:,:,Kbb) is done here |
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[7646] | 141 | ! IF( .NOT.ln_linssh ) THEN |
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| 142 | ! DO jk = 1, jpk |
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[12377] | 143 | ! e3t(:,:,jk,Kbb) = e3t(:,:,jk,Kmm) |
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[7646] | 144 | ! END DO |
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| 145 | ! ENDIF |
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[6140] | 146 | !!gm |
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[2148] | 147 | ! |
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[7646] | 148 | ENDIF |
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[4354] | 149 | ! |
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| 150 | ! Initialize "now" and "before" barotropic velocities: |
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[6140] | 151 | ! Do it whatever the free surface method, these arrays being eventually used |
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[4354] | 152 | ! |
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[12377] | 153 | uu_b(:,:,Kmm) = 0._wp ; vv_b(:,:,Kmm) = 0._wp |
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| 154 | uu_b(:,:,Kbb) = 0._wp ; vv_b(:,:,Kbb) = 0._wp |
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[4354] | 155 | ! |
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[12377] | 156 | !!gm the use of umsak & vmask is not necessary below as uu(:,:,:,Kmm), vv(:,:,:,Kmm), uu(:,:,:,Kbb), vv(:,:,:,Kbb) are always masked |
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| 157 | DO_3D_11_11( 1, jpkm1 ) |
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| 158 | uu_b(ji,jj,Kmm) = uu_b(ji,jj,Kmm) + e3u(ji,jj,jk,Kmm) * uu(ji,jj,jk,Kmm) * umask(ji,jj,jk) |
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| 159 | vv_b(ji,jj,Kmm) = vv_b(ji,jj,Kmm) + e3v(ji,jj,jk,Kmm) * vv(ji,jj,jk,Kmm) * vmask(ji,jj,jk) |
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| 160 | ! |
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| 161 | uu_b(ji,jj,Kbb) = uu_b(ji,jj,Kbb) + e3u(ji,jj,jk,Kbb) * uu(ji,jj,jk,Kbb) * umask(ji,jj,jk) |
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| 162 | vv_b(ji,jj,Kbb) = vv_b(ji,jj,Kbb) + e3v(ji,jj,jk,Kbb) * vv(ji,jj,jk,Kbb) * vmask(ji,jj,jk) |
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| 163 | END_3D |
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[4354] | 164 | ! |
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[12377] | 165 | uu_b(:,:,Kmm) = uu_b(:,:,Kmm) * r1_hu(:,:,Kmm) |
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| 166 | vv_b(:,:,Kmm) = vv_b(:,:,Kmm) * r1_hv(:,:,Kmm) |
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[4354] | 167 | ! |
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[12377] | 168 | uu_b(:,:,Kbb) = uu_b(:,:,Kbb) * r1_hu(:,:,Kbb) |
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| 169 | vv_b(:,:,Kbb) = vv_b(:,:,Kbb) * r1_hv(:,:,Kbb) |
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[7753] | 170 | ! |
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[3] | 171 | END SUBROUTINE istate_init |
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| 172 | |
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[7646] | 173 | !!====================================================================== |
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[3] | 174 | END MODULE istate |
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