[456] | 1 | MODULE dynzdf |
---|
| 2 | !!============================================================================== |
---|
| 3 | !! *** MODULE dynzdf *** |
---|
| 4 | !! Ocean dynamics : vertical component of the momentum mixing trend |
---|
| 5 | !!============================================================================== |
---|
[2528] | 6 | !! History : 1.0 ! 2005-11 (G. Madec) Original code |
---|
| 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
---|
[456] | 8 | !!---------------------------------------------------------------------- |
---|
[503] | 9 | |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
[456] | 11 | !! dyn_zdf : Update the momentum trend with the vertical diffusion |
---|
[2528] | 12 | !! dyn_zdf_init : initializations of the vertical diffusion scheme |
---|
[456] | 13 | !!---------------------------------------------------------------------- |
---|
| 14 | USE oce ! ocean dynamics and tracers variables |
---|
| 15 | USE dom_oce ! ocean space and time domain variables |
---|
| 16 | USE zdf_oce ! ocean vertical physics variables |
---|
| 17 | |
---|
| 18 | USE dynzdf_exp ! vertical diffusion: explicit (dyn_zdf_exp routine) |
---|
| 19 | USE dynzdf_imp ! vertical diffusion: implicit (dyn_zdf_imp routine) |
---|
| 20 | |
---|
| 21 | USE ldfdyn_oce ! ocean dynamics: lateral physics |
---|
| 22 | USE trdmod ! ocean active dynamics and tracers trends |
---|
| 23 | USE trdmod_oce ! ocean variables trends |
---|
| 24 | USE in_out_manager ! I/O manager |
---|
[2636] | 25 | USE lib_mpp ! MPP library |
---|
[456] | 26 | USE prtctl ! Print control |
---|
| 27 | |
---|
| 28 | IMPLICIT NONE |
---|
| 29 | PRIVATE |
---|
| 30 | |
---|
[2528] | 31 | PUBLIC dyn_zdf ! routine called by step.F90 |
---|
| 32 | PUBLIC dyn_zdf_init ! routine called by opa.F90 |
---|
[456] | 33 | |
---|
[2528] | 34 | INTEGER :: nzdf = 0 ! type vertical diffusion algorithm used, defined from ln_zdf... namlist logicals |
---|
| 35 | REAL(wp) :: r2dt ! time-step, = 2 rdttra except at nit000 (=rdttra) if neuler=0 |
---|
[456] | 36 | |
---|
| 37 | !! * Substitutions |
---|
| 38 | # include "domzgr_substitute.h90" |
---|
| 39 | # include "zdfddm_substitute.h90" |
---|
| 40 | # include "vectopt_loop_substitute.h90" |
---|
| 41 | !!---------------------------------------------------------------------- |
---|
[2528] | 42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
[1152] | 43 | !! $Id$ |
---|
[2528] | 44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
[456] | 45 | !!---------------------------------------------------------------------- |
---|
| 46 | |
---|
| 47 | CONTAINS |
---|
| 48 | |
---|
| 49 | SUBROUTINE dyn_zdf( kt ) |
---|
| 50 | !!---------------------------------------------------------------------- |
---|
| 51 | !! *** ROUTINE dyn_zdf *** |
---|
| 52 | !! |
---|
| 53 | !! ** Purpose : compute the vertical ocean dynamics physics. |
---|
| 54 | !!--------------------------------------------------------------------- |
---|
[2633] | 55 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
---|
[2590] | 56 | USE wrk_nemo, ONLY: ztrdu => wrk_3d_1, ztrdv => wrk_3d_2 |
---|
| 57 | !! |
---|
[456] | 58 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
| 59 | !!--------------------------------------------------------------------- |
---|
| 60 | |
---|
[2633] | 61 | IF(wrk_in_use(3, 1,2))THEN |
---|
[2590] | 62 | CALL ctl_stop('dyn_zdf: requested workspace arrays unavailable.') |
---|
| 63 | RETURN |
---|
| 64 | END IF |
---|
[456] | 65 | ! ! set time step |
---|
[2528] | 66 | IF( neuler == 0 .AND. kt == nit000 ) THEN ; r2dt = rdt ! = rdtra (restart with Euler time stepping) |
---|
| 67 | ELSEIF( kt <= nit000 + 1 ) THEN ; r2dt = 2. * rdt ! = 2 rdttra (leapfrog) |
---|
[456] | 68 | ENDIF |
---|
| 69 | |
---|
| 70 | IF( l_trddyn ) THEN ! temporary save of ta and sa trends |
---|
| 71 | ztrdu(:,:,:) = ua(:,:,:) |
---|
| 72 | ztrdv(:,:,:) = va(:,:,:) |
---|
| 73 | ENDIF |
---|
| 74 | |
---|
| 75 | SELECT CASE ( nzdf ) ! compute lateral mixing trend and add it to the general trend |
---|
[503] | 76 | ! |
---|
[2528] | 77 | CASE ( 0 ) ; CALL dyn_zdf_exp( kt, r2dt ) ! explicit scheme |
---|
| 78 | CASE ( 1 ) ; CALL dyn_zdf_imp( kt, r2dt ) ! implicit scheme |
---|
[503] | 79 | ! |
---|
| 80 | CASE ( -1 ) ! esopa: test all possibility with control print |
---|
[2528] | 81 | CALL dyn_zdf_exp( kt, r2dt ) |
---|
[684] | 82 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf0 - Ua: ', mask1=umask, & |
---|
[503] | 83 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[2528] | 84 | CALL dyn_zdf_imp( kt, r2dt ) |
---|
[684] | 85 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf1 - Ua: ', mask1=umask, & |
---|
[503] | 86 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[456] | 87 | END SELECT |
---|
| 88 | |
---|
[503] | 89 | IF( l_trddyn ) THEN ! save the vertical diffusive trends for further diagnostics |
---|
[456] | 90 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
---|
| 91 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
---|
[503] | 92 | CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_zdf, 'DYN', kt ) |
---|
[456] | 93 | ENDIF |
---|
| 94 | ! ! print mean trends (used for debugging) |
---|
| 95 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf - Ua: ', mask1=umask, & |
---|
| 96 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[503] | 97 | ! |
---|
[2633] | 98 | IF(wrk_not_released(3, 1,2))THEN |
---|
[2590] | 99 | CALL ctl_stop('dyn_zdf: failed to release workspace arrays.') |
---|
| 100 | END IF |
---|
| 101 | ! |
---|
[456] | 102 | END SUBROUTINE dyn_zdf |
---|
| 103 | |
---|
| 104 | |
---|
[2528] | 105 | SUBROUTINE dyn_zdf_init |
---|
[456] | 106 | !!---------------------------------------------------------------------- |
---|
[2528] | 107 | !! *** ROUTINE dyn_zdf_init *** |
---|
[456] | 108 | !! |
---|
[503] | 109 | !! ** Purpose : initializations of the vertical diffusion scheme |
---|
[456] | 110 | !! |
---|
| 111 | !! ** Method : implicit (euler backward) scheme (default) |
---|
| 112 | !! explicit (time-splitting) scheme if ln_zdfexp=T |
---|
| 113 | !!---------------------------------------------------------------------- |
---|
| 114 | USE zdftke |
---|
[2528] | 115 | USE zdfgls |
---|
[456] | 116 | USE zdfkpp |
---|
| 117 | !!---------------------------------------------------------------------- |
---|
[2528] | 118 | ! |
---|
[456] | 119 | ! Choice from ln_zdfexp read in namelist in zdfini |
---|
[503] | 120 | IF( ln_zdfexp ) THEN ; nzdf = 0 ! use explicit scheme |
---|
| 121 | ELSE ; nzdf = 1 ! use implicit scheme |
---|
[456] | 122 | ENDIF |
---|
[2528] | 123 | ! |
---|
[456] | 124 | ! Force implicit schemes |
---|
[2528] | 125 | IF( lk_zdftke .OR. lk_zdfgls .OR. lk_zdfkpp ) nzdf = 1 ! TKE, GLS or KPP physics |
---|
| 126 | IF( ln_dynldf_iso ) nzdf = 1 ! iso-neutral lateral physics |
---|
| 127 | IF( ln_dynldf_hor .AND. ln_sco ) nzdf = 1 ! horizontal lateral physics in s-coordinate |
---|
| 128 | ! |
---|
[503] | 129 | IF( lk_esopa ) nzdf = -1 ! Esopa key: All schemes used |
---|
[2528] | 130 | ! |
---|
[503] | 131 | IF(lwp) THEN ! Print the choice |
---|
[456] | 132 | WRITE(numout,*) |
---|
[2528] | 133 | WRITE(numout,*) 'dyn_zdf_init : vertical dynamics physics scheme' |
---|
[456] | 134 | WRITE(numout,*) '~~~~~~~~~~~' |
---|
| 135 | IF( nzdf == -1 ) WRITE(numout,*) ' ESOPA test All scheme used' |
---|
| 136 | IF( nzdf == 0 ) WRITE(numout,*) ' Explicit time-splitting scheme' |
---|
| 137 | IF( nzdf == 1 ) WRITE(numout,*) ' Implicit (euler backward) scheme' |
---|
| 138 | ENDIF |
---|
[503] | 139 | ! |
---|
[2528] | 140 | END SUBROUTINE dyn_zdf_init |
---|
[456] | 141 | |
---|
| 142 | !!============================================================================== |
---|
| 143 | END MODULE dynzdf |
---|