[2409] | 1 | MODULE step_c1d |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE step_c1d *** |
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| 4 | !! Time-stepping : manager of the ocean, tracer and ice time stepping - c1d case |
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| 5 | !!====================================================================== |
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| 6 | !! History : 2.0 ! 2004-04 (C. Ethe) adapted from step.F90 for C1D |
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| 7 | !! 3.0 ! 2008-04 (G. Madec) redo the adaptation to include SBC |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_c1d |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_c1d' 1D Configuration |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! stp_c1d : NEMO system time-stepping in c1d case |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE step_oce ! time stepping definition modules |
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| 16 | #if defined key_top |
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| 17 | USE trcstp ! passive tracer time-stepping (trc_stp routine) |
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| 18 | #endif |
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| 19 | USE dyncor_c1d ! Coriolis term (c1d case) (dyn_cor_1d ) |
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| 20 | USE dynnxt_c1d ! time-stepping (dyn_nxt routine) |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | PRIVATE |
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| 24 | |
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| 25 | PUBLIC stp_c1d ! called by opa.F90 |
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| 26 | |
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| 27 | !! * Substitutions |
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| 28 | # include "domzgr_substitute.h90" |
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| 29 | # include "zdfddm_substitute.h90" |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! NEMO/C1D 3.3 , NEMO Consortium (2010) |
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| 32 | !! $Id: step_c1d.F90 2382 2010-11-13 13:08:12Z gm $ |
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| 33 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | CONTAINS |
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| 36 | |
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| 37 | SUBROUTINE stp_c1d( kstp ) |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! *** ROUTINE stp_c1d *** |
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| 40 | !! |
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| 41 | !! ** Purpose : - Time stepping of SBC including LIM (dynamic and thermodynamic eqs.) |
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| 42 | !! - Time stepping of OPA (momentum and active tracer eqs.) |
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| 43 | !! - Time stepping of TOP (passive tracer eqs.) |
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| 44 | !! |
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| 45 | !! ** Method : -1- Update forcings and data |
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| 46 | !! -2- Update vertical ocean physics |
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| 47 | !! -3- Compute the t and s trends |
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| 48 | !! -4- Update t and s |
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| 49 | !! -5- Compute the momentum trends |
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| 50 | !! -6- Update the horizontal velocity |
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| 51 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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| 52 | !! -8- Outputs and diagnostics |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
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| 55 | INTEGER :: jk ! dummy loop indice |
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| 56 | INTEGER :: indic ! error indicator if < 0 |
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| 57 | !! --------------------------------------------------------------------- |
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| 58 | |
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| 59 | indic = 0 ! reset to no error condition |
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| 60 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
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| 61 | CALL iom_setkt( kstp ) ! say to iom that we are at time step kstp |
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| 62 | |
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| 63 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 64 | ! Update data, open boundaries, surface boundary condition (including sea-ice) |
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| 65 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 66 | CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) |
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| 67 | |
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| 68 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 69 | ! Ocean physics update (ua, va, ta, sa used as workspace) |
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| 70 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 71 | CALL bn2( tsb, rn2b ) ! before Brunt-Vaisala frequency |
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| 72 | CALL bn2( tsn, rn2 ) ! now Brunt-Vaisala frequency |
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| 73 | ! VERTICAL PHYSICS |
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| 74 | CALL zdf_bfr( kstp ) ! bottom friction |
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| 75 | ! ! Vertical eddy viscosity and diffusivity coefficients |
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| 76 | IF( lk_zdfric ) CALL zdf_ric( kstp ) ! Richardson number dependent Kz |
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| 77 | IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz |
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| 78 | IF( lk_zdfgls ) CALL zdf_gls( kstp ) ! GLS closure scheme for Kz |
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| 79 | IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP closure scheme for Kz |
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| 80 | IF( lk_zdfcst ) THEN ! Constant Kz (reset avt, avm[uv] to the background value) |
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| 81 | avt (:,:,:) = rn_avt0 * tmask(:,:,:) |
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| 82 | avmu(:,:,:) = rn_avm0 * umask(:,:,:) |
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| 83 | avmv(:,:,:) = rn_avm0 * vmask(:,:,:) |
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| 84 | ENDIF |
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| 85 | |
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| 86 | IF( ln_rnf_mouth ) THEN ! increase diffusivity at rivers mouths |
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| 87 | DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2.e0 * rn_avt_rnf * rnfmsk(:,:) ; END DO |
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| 88 | ENDIF |
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| 89 | IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity |
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| 90 | |
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| 91 | IF( lk_zdftmx ) CALL zdf_tmx( kstp ) ! tidal vertical mixing |
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| 92 | |
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| 93 | IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) & |
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| 94 | & CALL zdf_ddm( kstp ) ! double diffusive mixing |
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| 95 | |
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| 96 | CALL zdf_mxl( kstp ) ! mixed layer depth |
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| 97 | |
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| 98 | ! write tke information in the restart file |
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| 99 | IF( lrst_oce .AND. lk_zdftke ) CALL tke_rst( kstp, 'WRITE' ) |
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| 100 | ! write gls information in the restart file |
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| 101 | IF( lrst_oce .AND. lk_zdfgls ) CALL gls_rst( kstp, 'WRITE' ) |
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| 102 | |
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| 103 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 104 | ! diagnostics and outputs (ua, va, ta, sa used as workspace) |
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| 105 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 106 | CALL dia_wri( kstp ) ! ocean model: outputs |
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| 107 | |
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| 108 | #if defined key_top |
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| 109 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 110 | ! Passive Tracer Model |
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| 111 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 112 | CALL trc_stp( kstp ) ! time-stepping |
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| 113 | #endif |
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| 114 | |
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| 115 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 116 | ! Active tracers (ua, va used as workspace) |
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| 117 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 118 | tsa(:,:,:,:) = 0.e0 ! set tracer trends to zero |
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| 119 | |
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| 120 | CALL tra_sbc ( kstp ) ! surface boundary condition |
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| 121 | IF( ln_traqsr ) CALL tra_qsr ( kstp ) ! penetrative solar radiation qsr |
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| 122 | IF( lk_zdfkpp ) CALL tra_kpp ( kstp ) ! KPP non-local tracer fluxes |
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| 123 | CALL tra_zdf ( kstp ) ! vertical mixing |
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| 124 | CALL tra_nxt ( kstp ) ! tracer fields at next time step |
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| 125 | IF( ln_zdfnpc ) CALL tra_npc ( kstp ) ! applied non penetrative convective adjustment on (t,s) |
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| 126 | CALL eos( tsb, rhd, rhop ) ! now (swap=before) in situ density for dynhpg module |
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| 127 | |
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| 128 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 129 | ! Dynamics (ta, sa used as workspace) |
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| 130 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 131 | ua(:,:,:) = 0.e0 ! set dynamics trends to zero |
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| 132 | va(:,:,:) = 0.e0 |
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| 133 | |
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| 134 | CALL dyn_cor_c1d( kstp ) ! vorticity term including Coriolis |
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| 135 | CALL dyn_zdf ( kstp ) ! vertical diffusion |
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| 136 | CALL dyn_nxt_c1d( kstp ) ! lateral velocity at next time step |
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| 137 | |
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| 138 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 139 | ! Control and restarts |
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| 140 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 141 | CALL stp_ctl( kstp, indic ) |
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| 142 | IF( kstp == nit000 ) CALL iom_close( numror ) ! close input ocean restart file |
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| 143 | IF( lrst_oce ) CALL rst_write ( kstp ) ! write output ocean restart file |
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| 144 | ! |
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| 145 | END SUBROUTINE stp_c1d |
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| 146 | |
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| 147 | #else |
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| 148 | !!---------------------------------------------------------------------- |
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| 149 | !! Default key NO 1D Config |
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| 150 | !!---------------------------------------------------------------------- |
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| 151 | CONTAINS |
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| 152 | SUBROUTINE stp_c1d ( kt ) ! dummy routine |
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| 153 | WRITE(*,*) 'stp_c1d: You should not have seen this print! error?', kt |
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| 154 | END SUBROUTINE stp_c1d |
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| 155 | #endif |
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| 156 | |
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| 157 | !!====================================================================== |
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| 158 | END MODULE step_c1d |
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