[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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[4245] | 15 | USE step_oce ! time stepping definition modules |
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[2409] | 16 | #if defined key_top |
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[4245] | 17 | USE trcstp ! passive tracer time-stepping (trc_stp routine) |
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[2409] | 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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[4245] | 21 | USE dyndmp ! U & V momentum damping (dyn_dmp routine) |
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[3680] | 22 | USE restart ! restart |
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[2409] | 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | PUBLIC stp_c1d ! called by opa.F90 |
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| 28 | |
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| 29 | !! * Substitutions |
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| 30 | # include "domzgr_substitute.h90" |
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| 31 | # include "zdfddm_substitute.h90" |
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| 32 | !!---------------------------------------------------------------------- |
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| 33 | !! NEMO/C1D 3.3 , NEMO Consortium (2010) |
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[5215] | 34 | !! $Id$ |
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[2409] | 35 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 36 | !!---------------------------------------------------------------------- |
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| 37 | CONTAINS |
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| 38 | |
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| 39 | SUBROUTINE stp_c1d( kstp ) |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | !! *** ROUTINE stp_c1d *** |
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| 42 | !! |
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| 43 | !! ** Purpose : - Time stepping of SBC including LIM (dynamic and thermodynamic eqs.) |
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| 44 | !! - Time stepping of OPA (momentum and active tracer eqs.) |
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| 45 | !! - Time stepping of TOP (passive tracer eqs.) |
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| 46 | !! |
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| 47 | !! ** Method : -1- Update forcings and data |
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| 48 | !! -2- Update vertical ocean physics |
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| 49 | !! -3- Compute the t and s trends |
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| 50 | !! -4- Update t and s |
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| 51 | !! -5- Compute the momentum trends |
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| 52 | !! -6- Update the horizontal velocity |
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| 53 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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| 54 | !! -8- Outputs and diagnostics |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
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| 57 | INTEGER :: jk ! dummy loop indice |
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| 58 | INTEGER :: indic ! error indicator if < 0 |
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| 59 | !! --------------------------------------------------------------------- |
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| 60 | |
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| 61 | indic = 0 ! reset to no error condition |
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[4247] | 62 | IF( kstp == nit000 ) CALL iom_init( "nemo") ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS) |
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[2409] | 63 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
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[4247] | 64 | CALL iom_setkt( kstp - nit000 + 1, "nemo" ) ! say to iom that we are at time step kstp |
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[2409] | 65 | |
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| 66 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 67 | ! Update data, open boundaries, surface boundary condition (including sea-ice) |
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| 68 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 69 | CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) |
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| 70 | |
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| 71 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 72 | ! Ocean physics update (ua, va, ta, sa used as workspace) |
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| 73 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[5108] | 74 | CALL eos_rab( tsb, rab_b ) ! before local thermal/haline expension ratio at T-points |
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| 75 | CALL eos_rab( tsn, rab_n ) ! now local thermal/haline expension ratio at T-points |
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[4990] | 76 | CALL bn2( tsb, rab_b, rn2b ) ! before Brunt-Vaisala frequency |
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| 77 | CALL bn2( tsn, rab_n, rn2 ) ! now Brunt-Vaisala frequency |
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[2409] | 78 | ! VERTICAL PHYSICS |
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| 79 | CALL zdf_bfr( kstp ) ! bottom friction |
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| 80 | ! ! Vertical eddy viscosity and diffusivity coefficients |
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| 81 | IF( lk_zdfric ) CALL zdf_ric( kstp ) ! Richardson number dependent Kz |
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| 82 | IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz |
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| 83 | IF( lk_zdfgls ) CALL zdf_gls( kstp ) ! GLS closure scheme for Kz |
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| 84 | IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP closure scheme for Kz |
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| 85 | IF( lk_zdfcst ) THEN ! Constant Kz (reset avt, avm[uv] to the background value) |
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| 86 | avt (:,:,:) = rn_avt0 * tmask(:,:,:) |
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| 87 | avmu(:,:,:) = rn_avm0 * umask(:,:,:) |
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| 88 | avmv(:,:,:) = rn_avm0 * vmask(:,:,:) |
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| 89 | ENDIF |
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| 90 | |
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| 91 | IF( ln_rnf_mouth ) THEN ! increase diffusivity at rivers mouths |
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| 92 | DO jk = 2, nkrnf ; avt(:,:,jk) = avt(:,:,jk) + 2.e0 * rn_avt_rnf * rnfmsk(:,:) ; END DO |
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| 93 | ENDIF |
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| 94 | IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity |
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| 95 | |
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| 96 | IF( lk_zdftmx ) CALL zdf_tmx( kstp ) ! tidal vertical mixing |
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| 97 | |
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| 98 | IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) & |
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| 99 | & CALL zdf_ddm( kstp ) ! double diffusive mixing |
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| 100 | |
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| 101 | CALL zdf_mxl( kstp ) ! mixed layer depth |
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| 102 | |
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| 103 | ! write tke information in the restart file |
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| 104 | IF( lrst_oce .AND. lk_zdftke ) CALL tke_rst( kstp, 'WRITE' ) |
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| 105 | ! write gls information in the restart file |
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| 106 | IF( lrst_oce .AND. lk_zdfgls ) CALL gls_rst( kstp, 'WRITE' ) |
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| 107 | |
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| 108 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 109 | ! diagnostics and outputs (ua, va, ta, sa used as workspace) |
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| 110 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 111 | CALL dia_wri( kstp ) ! ocean model: outputs |
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[4153] | 112 | IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20°C) |
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[2409] | 113 | |
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[4153] | 114 | |
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[2409] | 115 | #if defined key_top |
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| 116 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 117 | ! Passive Tracer Model |
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| 118 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[4990] | 119 | CALL trc_stp( kstp ) ! time-stepping |
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[2409] | 120 | #endif |
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| 121 | |
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| 122 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 123 | ! Active tracers (ua, va used as workspace) |
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| 124 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[4990] | 125 | tsa(:,:,:,:) = 0._wp ! set tracer trends to zero |
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[2409] | 126 | |
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[4990] | 127 | CALL tra_sbc( kstp ) ! surface boundary condition |
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| 128 | IF( ln_traqsr ) CALL tra_qsr( kstp ) ! penetrative solar radiation qsr |
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| 129 | IF( ln_tradmp ) CALL tra_dmp( kstp ) ! internal damping trends- tracers |
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| 130 | IF( lk_zdfkpp ) CALL tra_kpp( kstp ) ! KPP non-local tracer fluxes |
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| 131 | CALL tra_zdf( kstp ) ! vertical mixing |
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| 132 | CALL eos( tsn, rhd, rhop, gdept_0(:,:,:) ) ! now potential density for zdfmxl |
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| 133 | IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! applied non penetrative convective adjustment on (t,s) |
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| 134 | CALL tra_nxt( kstp ) ! tracer fields at next time step |
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[2409] | 135 | |
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[5108] | 136 | |
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| 137 | |
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[2409] | 138 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 139 | ! Dynamics (ta, sa used as workspace) |
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| 140 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[4990] | 141 | ua(:,:,:) = 0._wp ! set dynamics trends to zero |
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| 142 | va(:,:,:) = 0._wp |
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[2409] | 143 | |
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[4990] | 144 | IF( ln_dyndmp ) CALL dyn_dmp ( kstp ) ! internal damping trends- momentum |
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| 145 | CALL dyn_cor_c1d( kstp ) ! vorticity term including Coriolis |
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| 146 | CALL dyn_zdf ( kstp ) ! vertical diffusion |
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| 147 | CALL dyn_nxt_c1d( kstp ) ! lateral velocity at next time step |
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[2409] | 148 | |
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| 149 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 150 | ! Control and restarts |
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| 151 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[4990] | 152 | CALL stp_ctl( kstp, indic ) |
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| 153 | IF( kstp == nit000 ) CALL iom_close( numror ) ! close input ocean restart file |
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| 154 | IF( lrst_oce ) CALL rst_write( kstp ) ! write output ocean restart file |
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[2409] | 155 | ! |
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[5412] | 156 | #if defined key_iomput |
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| 157 | IF( kstp == nitend .OR. indic < 0 ) CALL xios_context_finalize() ! needed for XIOS |
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| 158 | ! |
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| 159 | #endif |
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[2409] | 160 | END SUBROUTINE stp_c1d |
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| 161 | |
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| 162 | #else |
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| 163 | !!---------------------------------------------------------------------- |
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| 164 | !! Default key NO 1D Config |
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| 165 | !!---------------------------------------------------------------------- |
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| 166 | CONTAINS |
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| 167 | SUBROUTINE stp_c1d ( kt ) ! dummy routine |
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| 168 | WRITE(*,*) 'stp_c1d: You should not have seen this print! error?', kt |
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| 169 | END SUBROUTINE stp_c1d |
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| 170 | #endif |
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| 171 | |
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| 172 | !!====================================================================== |
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| 173 | END MODULE step_c1d |
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