[456] | 1 | MODULE dynzdf |
---|
| 2 | !!============================================================================== |
---|
| 3 | !! *** MODULE dynzdf *** |
---|
| 4 | !! Ocean dynamics : vertical component of the momentum mixing trend |
---|
| 5 | !!============================================================================== |
---|
[503] | 6 | !! History : 9.0 ! 05-11 (G. Madec) Original code |
---|
[456] | 7 | !!---------------------------------------------------------------------- |
---|
[503] | 8 | |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
[456] | 10 | !! dyn_zdf : Update the momentum trend with the vertical diffusion |
---|
[503] | 11 | !! zdf_ctl : initializations of the vertical diffusion scheme |
---|
[456] | 12 | !!---------------------------------------------------------------------- |
---|
| 13 | USE oce ! ocean dynamics and tracers variables |
---|
| 14 | USE dom_oce ! ocean space and time domain variables |
---|
| 15 | USE zdf_oce ! ocean vertical physics variables |
---|
| 16 | |
---|
| 17 | USE dynzdf_exp ! vertical diffusion: explicit (dyn_zdf_exp routine) |
---|
| 18 | USE dynzdf_imp ! vertical diffusion: implicit (dyn_zdf_imp routine) |
---|
| 19 | |
---|
| 20 | USE ldfdyn_oce ! ocean dynamics: lateral physics |
---|
| 21 | USE trdmod ! ocean active dynamics and tracers trends |
---|
| 22 | USE trdmod_oce ! ocean variables trends |
---|
| 23 | USE in_out_manager ! I/O manager |
---|
| 24 | USE prtctl ! Print control |
---|
| 25 | |
---|
| 26 | IMPLICIT NONE |
---|
| 27 | PRIVATE |
---|
| 28 | |
---|
[503] | 29 | PUBLIC dyn_zdf ! routine called by step.F90 |
---|
[456] | 30 | |
---|
[503] | 31 | INTEGER :: nzdf = 0 ! type vertical diffusion algorithm used |
---|
[456] | 32 | ! ! defined from ln_zdf... namlist logicals) |
---|
| 33 | |
---|
[503] | 34 | REAL(wp) :: r2dt ! time-step, = 2 rdttra |
---|
| 35 | ! ! 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 | !!---------------------------------------------------------------------- |
---|
| 42 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
---|
[1152] | 43 | !! $Id$ |
---|
[503] | 44 | !! Software governed by the CeCILL licence (modipsl/doc/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 | !!--------------------------------------------------------------------- |
---|
| 55 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
[503] | 56 | !! |
---|
| 57 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrdu, ztrdv ! 3D workspace |
---|
[456] | 58 | !!--------------------------------------------------------------------- |
---|
| 59 | |
---|
| 60 | IF( kt == nit000 ) CALL zdf_ctl ! initialisation & control of options |
---|
| 61 | |
---|
| 62 | ! ! set time step |
---|
[503] | 63 | IF( neuler == 0 .AND. kt == nit000 ) THEN ; r2dt = rdt ! = rdtra (restarting with Euler time stepping) |
---|
| 64 | ELSEIF( kt <= nit000 + 1) THEN ; r2dt = 2. * rdt ! = 2 rdttra (leapfrog) |
---|
[456] | 65 | ENDIF |
---|
| 66 | |
---|
| 67 | IF( l_trddyn ) THEN ! temporary save of ta and sa trends |
---|
| 68 | ztrdu(:,:,:) = ua(:,:,:) |
---|
| 69 | ztrdv(:,:,:) = va(:,:,:) |
---|
| 70 | ENDIF |
---|
| 71 | |
---|
| 72 | SELECT CASE ( nzdf ) ! compute lateral mixing trend and add it to the general trend |
---|
[503] | 73 | ! |
---|
| 74 | CASE ( 0 ) ; CALL dyn_zdf_exp ( kt, r2dt ) ! explicit scheme |
---|
[789] | 75 | CASE ( 1 ) ; CALL dyn_zdf_imp ( kt, r2dt ) ! implicit scheme |
---|
[503] | 76 | ! |
---|
| 77 | CASE ( -1 ) ! esopa: test all possibility with control print |
---|
[684] | 78 | CALL dyn_zdf_exp ( kt, r2dt ) |
---|
| 79 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf0 - Ua: ', mask1=umask, & |
---|
[503] | 80 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[684] | 81 | CALL dyn_zdf_imp ( kt, r2dt ) |
---|
| 82 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf1 - Ua: ', mask1=umask, & |
---|
[503] | 83 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[456] | 84 | END SELECT |
---|
| 85 | |
---|
[503] | 86 | IF( l_trddyn ) THEN ! save the vertical diffusive trends for further diagnostics |
---|
[456] | 87 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
---|
| 88 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
---|
[503] | 89 | CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_zdf, 'DYN', kt ) |
---|
[456] | 90 | ENDIF |
---|
| 91 | ! ! print mean trends (used for debugging) |
---|
| 92 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf - Ua: ', mask1=umask, & |
---|
| 93 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[503] | 94 | ! |
---|
[456] | 95 | END SUBROUTINE dyn_zdf |
---|
| 96 | |
---|
| 97 | |
---|
| 98 | SUBROUTINE zdf_ctl |
---|
| 99 | !!---------------------------------------------------------------------- |
---|
| 100 | !! *** ROUTINE zdf_ctl *** |
---|
| 101 | !! |
---|
[503] | 102 | !! ** Purpose : initializations of the vertical diffusion scheme |
---|
[456] | 103 | !! |
---|
| 104 | !! ** Method : implicit (euler backward) scheme (default) |
---|
| 105 | !! explicit (time-splitting) scheme if ln_zdfexp=T |
---|
| 106 | !!---------------------------------------------------------------------- |
---|
[1533] | 107 | USE zdftke_old |
---|
[456] | 108 | USE zdftke |
---|
| 109 | USE zdfkpp |
---|
| 110 | !!---------------------------------------------------------------------- |
---|
| 111 | |
---|
| 112 | ! Choice from ln_zdfexp read in namelist in zdfini |
---|
[503] | 113 | IF( ln_zdfexp ) THEN ; nzdf = 0 ! use explicit scheme |
---|
| 114 | ELSE ; nzdf = 1 ! use implicit scheme |
---|
[456] | 115 | ENDIF |
---|
| 116 | |
---|
| 117 | ! Force implicit schemes |
---|
[1531] | 118 | IF( lk_zdftke_old .OR. lk_zdftke .OR. lk_zdfkpp ) nzdf = 1 ! TKE or KPP physics |
---|
| 119 | IF( ln_dynldf_iso ) nzdf = 1 ! iso-neutral lateral physics |
---|
| 120 | IF( ln_dynldf_hor .AND. ln_sco ) nzdf = 1 ! horizontal lateral physics in s-coordinate |
---|
[456] | 121 | |
---|
[503] | 122 | IF( lk_esopa ) nzdf = -1 ! Esopa key: All schemes used |
---|
[456] | 123 | |
---|
[503] | 124 | IF(lwp) THEN ! Print the choice |
---|
[456] | 125 | WRITE(numout,*) |
---|
| 126 | WRITE(numout,*) 'dyn:zdf_ctl : vertical dynamics physics scheme' |
---|
| 127 | WRITE(numout,*) '~~~~~~~~~~~' |
---|
| 128 | IF( nzdf == -1 ) WRITE(numout,*) ' ESOPA test All scheme used' |
---|
| 129 | IF( nzdf == 0 ) WRITE(numout,*) ' Explicit time-splitting scheme' |
---|
| 130 | IF( nzdf == 1 ) WRITE(numout,*) ' Implicit (euler backward) scheme' |
---|
| 131 | ENDIF |
---|
[503] | 132 | ! |
---|
[456] | 133 | END SUBROUTINE zdf_ctl |
---|
| 134 | |
---|
| 135 | !!============================================================================== |
---|
| 136 | END MODULE dynzdf |
---|