[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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[12377] | 8 | !! 4.1 ! 2019-08 (A. Coward, D. Storkey) rewrite in preparation for new timestepping scheme |
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[2409] | 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_c1d |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! 'key_c1d' 1D Configuration |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! stp_c1d : NEMO system time-stepping in c1d case |
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| 15 | !!---------------------------------------------------------------------- |
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[4245] | 16 | USE step_oce ! time stepping definition modules |
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[12377] | 17 | USE step, ONLY : Nbb, Nnn, Naa, Nrhs ! time level indices |
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[2409] | 18 | #if defined key_top |
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[4245] | 19 | USE trcstp ! passive tracer time-stepping (trc_stp routine) |
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[2409] | 20 | #endif |
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| 21 | USE dyncor_c1d ! Coriolis term (c1d case) (dyn_cor_1d ) |
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[12377] | 22 | USE dynatf ! time filtering (dyn_atf routine) |
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[4245] | 23 | USE dyndmp ! U & V momentum damping (dyn_dmp routine) |
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[3680] | 24 | USE restart ! restart |
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[2409] | 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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| 28 | |
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[12740] | 29 | PUBLIC stp_c1d ! called by nemogcm.F90 |
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[2409] | 30 | |
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| 31 | !!---------------------------------------------------------------------- |
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[10068] | 32 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 33 | !! $Id$ |
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[10068] | 34 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[2409] | 35 | !!---------------------------------------------------------------------- |
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| 36 | CONTAINS |
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| 37 | |
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| 38 | SUBROUTINE stp_c1d( kstp ) |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | !! *** ROUTINE stp_c1d *** |
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| 41 | !! |
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[9656] | 42 | !! ** Purpose : - Time stepping of SBC including sea ice (dynamic and thermodynamic eqs.) |
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[2409] | 43 | !! - Time stepping of OPA (momentum and active tracer eqs.) |
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| 44 | !! - Time stepping of TOP (passive tracer eqs.) |
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| 45 | !! |
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| 46 | !! ** Method : -1- Update forcings and data |
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| 47 | !! -2- Update vertical ocean physics |
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| 48 | !! -3- Compute the t and s trends |
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| 49 | !! -4- Update t and s |
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| 50 | !! -5- Compute the momentum trends |
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| 51 | !! -6- Update the horizontal velocity |
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| 52 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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| 53 | !! -8- Outputs and diagnostics |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
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[6140] | 56 | ! |
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[2409] | 57 | INTEGER :: jk ! dummy loop indice |
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| 58 | !! --------------------------------------------------------------------- |
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[4247] | 59 | 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] | 60 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
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[4247] | 61 | CALL iom_setkt( kstp - nit000 + 1, "nemo" ) ! say to iom that we are at time step kstp |
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[2409] | 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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[12377] | 66 | CALL sbc ( kstp, Nbb, Nnn ) ! Sea Boundary Condition (including sea-ice) |
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[2409] | 67 | |
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| 68 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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[12377] | 69 | ! Ocean physics update |
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[2409] | 70 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12377] | 71 | CALL eos_rab( ts(:,:,:,:,Nbb), rab_b, Nnn ) ! before local thermal/haline expension ratio at T-points |
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| 72 | CALL eos_rab( ts(:,:,:,:,Nnn), rab_n, Nnn ) ! now local thermal/haline expension ratio at T-points |
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| 73 | CALL bn2( ts(:,:,:,:,Nbb), rab_b, rn2b, Nnn ) ! before Brunt-Vaisala frequency |
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| 74 | CALL bn2( ts(:,:,:,:,Nnn), rab_n, rn2 , Nnn ) ! now Brunt-Vaisala frequency |
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[9019] | 75 | |
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| 76 | ! VERTICAL PHYSICS |
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[12377] | 77 | CALL zdf_phy( kstp, Nbb, Nnn, Nrhs ) ! vertical physics update (bfr, avt, avs, avm + MLD) |
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[2409] | 78 | |
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[12377] | 79 | IF(.NOT.ln_linssh ) CALL ssh_nxt ( kstp, Nbb, Nnn, ssh, Naa ) ! after ssh (includes call to div_hor) |
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| 80 | IF(.NOT.ln_linssh ) CALL dom_vvl_sf_nxt( kstp, Nbb, Nnn, Naa ) ! after vertical scale factors |
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[2409] | 81 | |
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[13237] | 82 | IF(.NOT.ln_linssh ) CALL wzv ( kstp, Nbb, Nnn, Naa, ww ) ! now cross-level velocity |
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[2409] | 83 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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[12377] | 84 | ! diagnostics and outputs |
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[2409] | 85 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12377] | 86 | CALL dia_wri( kstp, Nnn ) ! ocean model: outputs |
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[12740] | 87 | CALL dia_hth( kstp, Nnn ) ! Thermocline depth (20°C) |
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[2409] | 88 | |
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[4153] | 89 | |
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[2409] | 90 | #if defined key_top |
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| 91 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 92 | ! Passive Tracer Model |
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| 93 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12377] | 94 | CALL trc_stp( kstp, Nbb, Nnn, Nrhs, Naa ) ! time-stepping |
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[2409] | 95 | #endif |
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| 96 | |
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| 97 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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[12377] | 98 | ! Active tracers (uu(:,:,:,Nrhs), vv(:,:,:,Nrhs) used as workspace) |
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[2409] | 99 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12377] | 100 | ts(:,:,:,:,Nrhs) = 0._wp ! set tracer trends to zero |
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[2409] | 101 | |
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[12377] | 102 | CALL tra_sbc( kstp, Nnn, ts, Nrhs ) ! surface boundary condition |
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| 103 | IF( ln_traqsr ) CALL tra_qsr( kstp, Nnn, ts, Nrhs ) ! penetrative solar radiation qsr |
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| 104 | IF( ln_tradmp ) CALL tra_dmp( kstp, Nbb, Nnn, ts, Nrhs ) ! internal damping trends- tracers |
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| 105 | IF(.NOT.ln_linssh)CALL tra_adv( kstp, Nbb, Nnn, ts, Nrhs ) ! horizontal & vertical advection |
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| 106 | IF( ln_zdfosm ) CALL tra_osm( kstp, Nnn , ts, Nrhs ) ! OSMOSIS non-local tracer fluxes |
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| 107 | CALL tra_zdf( kstp, Nbb, Nnn, Nrhs, ts, Naa ) ! vertical mixing |
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| 108 | CALL eos( ts(:,:,:,:,Nnn), rhd, rhop, gdept_0(:,:,:) ) ! now potential density for zdfmxl |
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| 109 | IF( ln_zdfnpc ) CALL tra_npc( kstp, Nnn, Nrhs, ts, Naa ) ! applied non penetrative convective adjustment on (t,s) |
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[12740] | 110 | CALL tra_atf( kstp, Nbb, Nnn, Naa, ts ) ! time filtering of "now" tracer arrays |
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[2409] | 111 | |
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| 112 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 113 | ! Dynamics (ta, sa used as workspace) |
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| 114 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12377] | 115 | uu(:,:,:,Nrhs) = 0._wp ! set dynamics trends to zero |
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| 116 | vv(:,:,:,Nrhs) = 0._wp |
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[2409] | 117 | |
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[12377] | 118 | IF( ln_dyndmp ) CALL dyn_dmp ( kstp, Nbb, Nnn , uu, vv, Nrhs ) ! internal damping trends- momentum |
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| 119 | CALL dyn_cor_c1d( kstp, Nnn , uu, vv, Nrhs ) ! vorticity term including Coriolis |
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| 120 | IF( ln_zdfosm ) CALL dyn_osm ( kstp, Nnn , uu, vv, Nrhs ) ! OSMOSIS non-local velocity fluxes |
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| 121 | CALL dyn_zdf ( kstp, Nbb, Nnn, Nrhs, uu, vv, Naa ) ! vertical diffusion |
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| 122 | CALL dyn_atf ( kstp, Nbb, Nnn, Naa , uu, vv, e3t, e3u, e3v ) ! time filtering of "now" fields |
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| 123 | IF(.NOT.ln_linssh)CALL ssh_atf ( kstp, Nbb, Nnn, Naa , ssh ) ! time filtering of "now" sea surface height |
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[13991] | 124 | IF( kstp == nit000 .AND. ln_linssh) THEN |
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| 125 | ssh(:,:,Naa) = ssh(:,:,Nnn) ! init ssh after in ln_linssh case |
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| 126 | ENDIF |
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[12377] | 127 | ! |
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| 128 | ! Swap time levels |
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| 129 | Nrhs = Nbb |
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| 130 | Nbb = Nnn |
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| 131 | Nnn = Naa |
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| 132 | Naa = Nrhs |
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| 133 | ! |
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| 134 | IF(.NOT.ln_linssh)CALL dom_vvl_sf_update( kstp, Nbb, Nnn, Naa ) ! update of vertical scale factors |
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[2409] | 135 | |
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| 136 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 137 | ! Control and restarts |
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| 138 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[12933] | 139 | CALL stp_ctl( kstp, Nnn ) |
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[12377] | 140 | IF( kstp == nit000 ) CALL iom_close( numror ) ! close input ocean restart file |
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| 141 | IF( lrst_oce ) CALL rst_write( kstp, Nbb, Nnn ) ! write output ocean restart file |
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[2409] | 142 | ! |
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[5412] | 143 | #if defined key_iomput |
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[12933] | 144 | IF( kstp == nitend .OR. nstop > 0 ) CALL xios_context_finalize() ! needed for XIOS |
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[5412] | 145 | ! |
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| 146 | #endif |
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[2409] | 147 | END SUBROUTINE stp_c1d |
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| 148 | |
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| 149 | #else |
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| 150 | !!---------------------------------------------------------------------- |
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| 151 | !! Default key NO 1D Config |
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| 152 | !!---------------------------------------------------------------------- |
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| 153 | CONTAINS |
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| 154 | SUBROUTINE stp_c1d ( kt ) ! dummy routine |
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[9927] | 155 | IMPLICIT NONE |
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| 156 | INTEGER, INTENT( in ) :: kt |
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[2409] | 157 | WRITE(*,*) 'stp_c1d: You should not have seen this print! error?', kt |
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| 158 | END SUBROUTINE stp_c1d |
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| 159 | #endif |
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| 160 | |
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| 161 | !!====================================================================== |
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| 162 | END MODULE step_c1d |
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