[3331] | 1 | MODULE step |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE step *** |
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| 4 | !! Time-stepping : manager of the ocean, tracer and ice time stepping |
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| 5 | !! version for standalone surface scheme |
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| 6 | !!====================================================================== |
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| 7 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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| 8 | !! - ! 1991-11 (G. Madec) |
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| 9 | !! - ! 1992-06 (M. Imbard) add a first output record |
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| 10 | !! - ! 1996-04 (G. Madec) introduction of dynspg |
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| 11 | !! - ! 1996-04 (M.A. Foujols) introduction of passive tracer |
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| 12 | !! 8.0 ! 1997-06 (G. Madec) new architecture of call |
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| 13 | !! 8.2 ! 1997-06 (G. Madec, M. Imbard, G. Roullet) free surface |
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| 14 | !! - ! 1999-02 (G. Madec, N. Grima) hpg implicit |
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| 15 | !! - ! 2000-07 (J-M Molines, M. Imbard) Open Bondary Conditions |
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| 16 | !! NEMO 1.0 ! 2002-06 (G. Madec) free form, suppress macro-tasking |
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| 17 | !! - ! 2004-08 (C. Talandier) New trends organization |
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| 18 | !! - ! 2005-01 (C. Ethe) Add the KPP closure scheme |
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| 19 | !! - ! 2005-11 (G. Madec) Reorganisation of tra and dyn calls |
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| 20 | !! - ! 2006-01 (L. Debreu, C. Mazauric) Agrif implementation |
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| 21 | !! - ! 2006-07 (S. Masson) restart using iom |
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| 22 | !! 3.2 ! 2009-02 (G. Madec, R. Benshila) reintroduicing z*-coordinate |
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| 23 | !! - ! 2009-06 (S. Masson, G. Madec) TKE restart compatible with key_cpl |
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| 24 | !! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface |
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| 25 | !! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA |
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| 26 | !! 3.4 ! 2011-04 (G. Madec, C. Ethe) Merge of dtatem and dtasal |
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| 27 | !! 3.5 ! 2012-03 (S. Alderson) |
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| 28 | !!---------------------------------------------------------------------- |
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| 29 | |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! stp : OPA system time-stepping |
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| 32 | !!---------------------------------------------------------------------- |
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| 33 | USE oce ! ocean dynamics and tracers variables |
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| 34 | USE dom_oce ! ocean space and time domain variables |
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| 35 | USE in_out_manager ! I/O manager |
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| 36 | USE iom ! |
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| 37 | USE lbclnk |
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| 38 | |
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| 39 | USE daymod ! calendar (day routine) |
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| 40 | |
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| 41 | USE sbcmod ! surface boundary condition (sbc routine) |
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| 42 | USE sbcrnf ! surface boundary condition: runoff variables |
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| 43 | |
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| 44 | USE eosbn2 ! equation of state (eos_bn2 routine) |
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| 45 | |
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| 46 | USE diawri ! Standard run outputs (dia_wri routine) |
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| 47 | USE stpctl ! time stepping control (stp_ctl routine) |
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| 48 | USE prtctl ! Print control (prt_ctl routine) |
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| 49 | |
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| 50 | USE timing ! Timing |
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| 51 | |
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| 52 | IMPLICIT NONE |
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| 53 | PRIVATE |
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| 54 | |
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| 55 | PUBLIC stp ! called by opa.F90 |
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| 56 | |
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| 57 | !! * Substitutions |
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| 58 | # include "domzgr_substitute.h90" |
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| 59 | # include "zdfddm_substitute.h90" |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 62 | !! $Id: step.F90 3294 2012-01-28 16:44:18Z rblod $ |
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| 63 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 64 | !!---------------------------------------------------------------------- |
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| 65 | CONTAINS |
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| 66 | |
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| 67 | #if defined key_agrif |
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| 68 | SUBROUTINE stp( ) |
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| 69 | INTEGER :: kstp ! ocean time-step index |
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| 70 | #else |
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| 71 | SUBROUTINE stp( kstp ) |
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| 72 | INTEGER, INTENT(in) :: kstp ! ocean time-step index |
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| 73 | #endif |
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| 74 | !!---------------------------------------------------------------------- |
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| 75 | !! *** ROUTINE stp *** |
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| 76 | !! |
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| 77 | !! ** Purpose : - Time stepping of OPA (momentum and active tracer eqs.) |
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| 78 | !! - Time stepping of LIM (dynamic and thermodynamic eqs.) |
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| 79 | !! - Tme stepping of TRC (passive tracer eqs.) |
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| 80 | !! |
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| 81 | !! ** Method : -1- Update forcings and data |
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| 82 | !! -2- Update ocean physics |
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| 83 | !! -3- Compute the t and s trends |
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| 84 | !! -4- Update t and s |
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| 85 | !! -5- Compute the momentum trends |
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| 86 | !! -6- Update the horizontal velocity |
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| 87 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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| 88 | !! -8- Outputs and diagnostics |
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| 89 | !!---------------------------------------------------------------------- |
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| 90 | INTEGER :: jk ! dummy loop indice |
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| 91 | INTEGER :: indic ! error indicator if < 0 |
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| 92 | !! --------------------------------------------------------------------- |
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| 93 | |
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| 94 | #if defined key_agrif |
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| 95 | kstp = nit000 + Agrif_Nb_Step() |
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| 96 | # if defined key_iomput |
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| 97 | IF( Agrif_Nbstepint() == 0 ) CALL iom_swap |
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| 98 | # endif |
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| 99 | #endif |
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| 100 | indic = 0 ! reset to no error condition |
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| 101 | IF( kstp /= nit000 ) CALL day( kstp ) ! Calendar (day was already called at nit000 in day_init) |
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| 102 | CALL iom_setkt( kstp ) ! say to iom that we are at time step kstp |
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| 103 | |
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| 104 | CALL sbc ( kstp ) ! Sea Boundary Condition (including sea-ice) |
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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 | indic = 0 |
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| 109 | CALL stp_ctl( kstp, indic ) |
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| 110 | IF( indic < 0 ) THEN |
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| 111 | CALL ctl_stop( 'step: indic < 0' ) |
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| 112 | CALL dia_wri_state( 'output.abort', kstp ) |
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| 113 | ENDIF |
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| 114 | ! |
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| 115 | IF( nn_timing == 1 .AND. kstp == nit000 ) CALL timing_reset |
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| 116 | ! |
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| 117 | END SUBROUTINE stp |
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| 118 | |
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| 119 | !!====================================================================== |
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| 120 | END MODULE step |
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