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step_c1d.F90 in NEMO/releases/r4.0/r4.0-HEAD/src/OCE/C1D – NEMO

source: NEMO/releases/r4.0/r4.0-HEAD/src/OCE/C1D/step_c1d.F90

Last change on this file was 15594, checked in by cetlod, 3 years ago

v40-HEAD : bugfix in 1D configuration, see ticket #2746
  • Property svn:keywords set to Id
File size: 8.4 KB
Line 
1MODULE step_c1d
2   !!======================================================================
3   !!                       ***  MODULE step_c1d  ***
4   !! Time-stepping    : manager of the ocean, tracer and ice time stepping - c1d case
5   !!======================================================================
6   !! History :   2.0  !  2004-04  (C. Ethe)  adapted from step.F90 for C1D
7   !!             3.0  !  2008-04  (G. Madec)  redo the adaptation to include SBC
8   !!----------------------------------------------------------------------
9#if defined key_c1d
10   !!----------------------------------------------------------------------
11   !!   'key_c1d'                                       1D Configuration
12   !!---------------------------------------------------------------------- 
13   !!   stp_c1d        : NEMO system time-stepping in c1d case
14   !!----------------------------------------------------------------------
15   USE step_oce        ! time stepping definition modules
16#if defined key_top
17   USE trcstp          ! passive tracer time-stepping      (trc_stp routine)
18#endif
19   USE dyncor_c1d      ! Coriolis term (c1d case)         (dyn_cor_1d     )
20   USE dynnxt          ! time-stepping                    (dyn_nxt routine)
21   USE dyndmp          ! U & V momentum damping           (dyn_dmp routine)
22   USE restart         ! restart
23
24   IMPLICIT NONE
25   PRIVATE
26
27   PUBLIC stp_c1d      ! called by opa.F90
28
29   !!----------------------------------------------------------------------
30   !! NEMO/OCE 4.0 , NEMO Consortium (2018)
31   !! $Id$
32   !! Software governed by the CeCILL license (see ./LICENSE)
33   !!----------------------------------------------------------------------
34CONTAINS
35
36   SUBROUTINE stp_c1d( kstp )
37      !!----------------------------------------------------------------------
38      !!                     ***  ROUTINE stp_c1d  ***
39      !!                     
40      !! ** Purpose :  - Time stepping of SBC including sea ice (dynamic and thermodynamic eqs.)
41      !!               - Time stepping of OPA (momentum and active tracer eqs.)
42      !!               - Time stepping of TOP (passive tracer eqs.)
43      !!
44      !! ** Method  : -1- Update forcings and data 
45      !!              -2- Update vertical ocean physics
46      !!              -3- Compute the t and s trends
47      !!              -4- Update t and s
48      !!              -5- Compute the momentum trends
49      !!              -6- Update the horizontal velocity
50      !!              -7- Compute the diagnostics variables (rd,N2, div,cur,w)
51      !!              -8- Outputs and diagnostics
52      !!----------------------------------------------------------------------
53      INTEGER, INTENT(in) ::   kstp   ! ocean time-step index
54      !
55      INTEGER ::   jk       ! dummy loop indice
56      !! ---------------------------------------------------------------------
57      IF( kstp == nit000 )   CALL iom_init( "nemo")   ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS)
58      IF( kstp /= nit000 )   CALL day( kstp )         ! Calendar (day was already called at nit000 in day_init)
59                             CALL iom_setkt( kstp - nit000 + 1, "nemo" )   ! say to iom that we are at time step kstp
60
61      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
62      ! Update data, open boundaries, surface boundary condition (including sea-ice)
63      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
64                         CALL sbc    ( kstp )         ! Sea Boundary Condition (including sea-ice)
65
66      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
67      ! Ocean physics update                (ua, va, ta, sa used as workspace)
68      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
69                         CALL eos_rab( tsb, rab_b )   ! before local thermal/haline expension ratio at T-points
70                         CALL eos_rab( tsn, rab_n )   ! now    local thermal/haline expension ratio at T-points
71                         CALL bn2( tsb, rab_b, rn2b ) ! before Brunt-Vaisala frequency
72                         CALL bn2( tsn, rab_n, rn2  ) ! now    Brunt-Vaisala frequency
73     
74      !  VERTICAL PHYSICS
75                         CALL zdf_phy( kstp )         ! vertical physics update (bfr, avt, avs, avm + MLD)
76
77      IF(.NOT.ln_linssh )   CALL ssh_nxt       ( kstp )  ! after ssh (includes call to div_hor)
78      IF(.NOT.ln_linssh )   CALL dom_vvl_sf_nxt( kstp )  ! after vertical scale factors
79
80      IF(.NOT.ln_linssh )   CALL wzv           ( kstp )  ! now cross-level velocity
81      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
82      ! diagnostics and outputs             (ua, va, ta, sa used as workspace)
83      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
84                         CALL eos( tsb, rhd, rhop, gdept_0(:,:,:) ) ! potential density
85                                                                    ! ( needs in diawri, diahth and for some bio models )
86
87                         CALL dia_wri( kstp )       ! ocean model: outputs
88                         CALL dia_hth( kstp )       ! Thermocline depth (20 degres isotherm depth)
89
90
91#if defined key_top
92      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
93      ! Passive Tracer Model
94      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
95                        CALL trc_stp( kstp )       ! time-stepping
96#endif
97
98      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
99      ! Active tracers                              (ua, va used as workspace)
100      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
101                        tsa(:,:,:,:) = 0._wp       ! set tracer trends to zero
102
103                        CALL tra_sbc( kstp )       ! surface boundary condition
104      IF( ln_traqsr )   CALL tra_qsr( kstp )       ! penetrative solar radiation qsr
105      IF( ln_tradmp )   CALL tra_dmp( kstp )       ! internal damping trends- tracers
106      IF(.NOT.ln_linssh)CALL tra_adv( kstp )       ! horizontal & vertical advection
107      IF( ln_zdfosm  )  CALL tra_osm( kstp )       ! OSMOSIS non-local tracer fluxes
108                        CALL tra_zdf( kstp )       ! vertical mixing
109      IF( ln_zdfnpc )   CALL tra_npc( kstp )       ! applied non penetrative convective adjustment on (t,s)
110                        CALL tra_nxt( kstp )       ! tracer fields at next time step
111
112
113
114      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
115      ! Dynamics                                    (ta, sa used as workspace)
116      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
117                        ua(:,:,:) = 0._wp          ! set dynamics trends to zero
118                        va(:,:,:) = 0._wp
119
120      IF( ln_dyndmp )   CALL dyn_dmp    ( kstp )   ! internal damping trends- momentum
121                        CALL dyn_cor_c1d( kstp )   ! vorticity term including Coriolis
122      IF( ln_zdfosm  )  CALL dyn_osm    ( kstp )   ! OSMOSIS non-local velocity fluxes
123                        CALL dyn_zdf    ( kstp )   ! vertical diffusion
124                        CALL dyn_nxt    ( kstp )   ! lateral velocity at next time step
125      IF(.NOT.ln_linssh)CALL ssh_swp    ( kstp )   ! swap of sea surface height
126
127      IF(.NOT.ln_linssh)CALL dom_vvl_sf_swp( kstp )! swap of vertical scale factors
128
129      !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
130      ! Control and restarts
131      !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
132                             CALL stp_ctl( kstp )
133      IF( kstp == nit000 )   CALL iom_close( numror )      ! close input  ocean restart file
134      IF( lrst_oce       )   CALL rst_write( kstp )        ! write output ocean restart file
135      !
136#if defined key_iomput
137      IF( kstp == nitend .OR. nstop > 0 )   CALL xios_context_finalize()   ! needed for XIOS
138      !
139#endif
140   END SUBROUTINE stp_c1d
141
142#else
143   !!----------------------------------------------------------------------
144   !!   Default key                                            NO 1D Config
145   !!----------------------------------------------------------------------
146CONTAINS
147   SUBROUTINE stp_c1d ( kt )      ! dummy routine
148      IMPLICIT NONE
149      INTEGER, INTENT( in ) :: kt
150      WRITE(*,*) 'stp_c1d: You should not have seen this print! error?', kt
151   END SUBROUTINE stp_c1d
152#endif
153
154   !!======================================================================
155END MODULE step_c1d
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