[3] | 1 | MODULE dynzad |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE dynzad *** |
---|
| 4 | !! Ocean dynamics : vertical advection trend |
---|
| 5 | !!====================================================================== |
---|
[2715] | 6 | !! History : OPA ! 1991-01 (G. Madec) Original code |
---|
| 7 | !! NEMO 0.5 ! 2002-07 (G. Madec) Free form, F90 |
---|
[503] | 8 | !!---------------------------------------------------------------------- |
---|
[3] | 9 | |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
[503] | 11 | !! dyn_zad : vertical advection momentum trend |
---|
[3] | 12 | !!---------------------------------------------------------------------- |
---|
[503] | 13 | USE oce ! ocean dynamics and tracers |
---|
| 14 | USE dom_oce ! ocean space and time domain |
---|
[888] | 15 | USE sbc_oce ! surface boundary condition: ocean |
---|
[4990] | 16 | USE trd_oce ! trends: ocean variables |
---|
| 17 | USE trddyn ! trend manager: dynamics |
---|
[14050] | 18 | USE sbcwave, ONLY: wsd ! Surface Waves (add vertical Stokes-drift) |
---|
[4990] | 19 | ! |
---|
[719] | 20 | USE in_out_manager ! I/O manager |
---|
[4990] | 21 | USE lib_mpp ! MPP library |
---|
[503] | 22 | USE prtctl ! Print control |
---|
[4990] | 23 | USE timing ! Timing |
---|
[3] | 24 | |
---|
| 25 | IMPLICIT NONE |
---|
| 26 | PRIVATE |
---|
| 27 | |
---|
[4990] | 28 | PUBLIC dyn_zad ! routine called by dynadv.F90 |
---|
[3] | 29 | |
---|
| 30 | !! * Substitutions |
---|
[12377] | 31 | # include "do_loop_substitute.h90" |
---|
[13237] | 32 | # include "domzgr_substitute.h90" |
---|
[3] | 33 | !!---------------------------------------------------------------------- |
---|
[9598] | 34 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
[888] | 35 | !! $Id$ |
---|
[10068] | 36 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
[3] | 37 | !!---------------------------------------------------------------------- |
---|
| 38 | CONTAINS |
---|
| 39 | |
---|
[12377] | 40 | SUBROUTINE dyn_zad ( kt, Kmm, puu, pvv, Krhs ) |
---|
[3] | 41 | !!---------------------------------------------------------------------- |
---|
| 42 | !! *** ROUTINE dynzad *** |
---|
| 43 | !! |
---|
| 44 | !! ** Purpose : Compute the now vertical momentum advection trend and |
---|
| 45 | !! add it to the general trend of momentum equation. |
---|
| 46 | !! |
---|
| 47 | !! ** Method : The now vertical advection of momentum is given by: |
---|
[12377] | 48 | !! w dz(u) = u(rhs) + 1/(e1e2u*e3u) mk+1[ mi(e1e2t*ww) dk(u) ] |
---|
| 49 | !! w dz(v) = v(rhs) + 1/(e1e2v*e3v) mk+1[ mj(e1e2t*ww) dk(v) ] |
---|
| 50 | !! Add this trend to the general trend (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)): |
---|
| 51 | !! (u(rhs),v(rhs)) = (u(rhs),v(rhs)) + w dz(u,v) |
---|
[3] | 52 | !! |
---|
[12377] | 53 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the vert. momentum adv. trends |
---|
[4990] | 54 | !! - Send the trends to trddyn for diagnostics (l_trddyn=T) |
---|
[3294] | 55 | !!---------------------------------------------------------------------- |
---|
[12377] | 56 | INTEGER , INTENT( in ) :: kt ! ocean time-step inedx |
---|
| 57 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 58 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[2715] | 59 | ! |
---|
[9019] | 60 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 61 | REAL(wp) :: zua, zva ! local scalars |
---|
| 62 | REAL(wp), DIMENSION(jpi,jpj) :: zww |
---|
| 63 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwuw, zwvw |
---|
| 64 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: ztrdu, ztrdv |
---|
[3] | 65 | !!---------------------------------------------------------------------- |
---|
[3294] | 66 | ! |
---|
[9019] | 67 | IF( ln_timing ) CALL timing_start('dyn_zad') |
---|
[3294] | 68 | ! |
---|
[3] | 69 | IF( kt == nit000 ) THEN |
---|
[9019] | 70 | IF(lwp) WRITE(numout,*) |
---|
| 71 | IF(lwp) WRITE(numout,*) 'dyn_zad : 2nd order vertical advection scheme' |
---|
[3] | 72 | ENDIF |
---|
[216] | 73 | |
---|
[13998] | 74 | IF( l_trddyn ) THEN ! Save puu(:,:,:,Krhs) and pvv(:,:,:,Krhs) trends |
---|
[9019] | 75 | ALLOCATE( ztrdu(jpi,jpj,jpk) , ztrdv(jpi,jpj,jpk) ) |
---|
[12377] | 76 | ztrdu(:,:,:) = puu(:,:,:,Krhs) |
---|
| 77 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) |
---|
[216] | 78 | ENDIF |
---|
[3] | 79 | |
---|
[13998] | 80 | DO jk = 2, jpkm1 ! Vertical momentum advection at level w and u- and v- vertical |
---|
| 81 | DO_2D( 0, 1, 0, 1 ) ! vertical fluxes |
---|
[14050] | 82 | IF( ln_vortex_force ) THEN |
---|
| 83 | zww(ji,jj) = 0.25_wp * e1e2t(ji,jj) * ( ww(ji,jj,jk) + wsd(ji,jj,jk) ) |
---|
| 84 | ELSE |
---|
[12377] | 85 | zww(ji,jj) = 0.25_wp * e1e2t(ji,jj) * ww(ji,jj,jk) |
---|
[14050] | 86 | ENDIF |
---|
[12377] | 87 | END_2D |
---|
[13998] | 88 | DO_2D( 0, 0, 0, 0 ) ! vertical momentum advection at w-point |
---|
[12377] | 89 | zwuw(ji,jj,jk) = ( zww(ji+1,jj ) + zww(ji,jj) ) * ( puu(ji,jj,jk-1,Kmm) - puu(ji,jj,jk,Kmm) ) |
---|
| 90 | zwvw(ji,jj,jk) = ( zww(ji ,jj+1) + zww(ji,jj) ) * ( pvv(ji,jj,jk-1,Kmm) - pvv(ji,jj,jk,Kmm) ) |
---|
| 91 | END_2D |
---|
[3] | 92 | END DO |
---|
[5120] | 93 | ! |
---|
| 94 | ! Surface and bottom advective fluxes set to zero |
---|
[13295] | 95 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 96 | zwuw(ji,jj, 1 ) = 0._wp |
---|
| 97 | zwvw(ji,jj, 1 ) = 0._wp |
---|
| 98 | zwuw(ji,jj,jpk) = 0._wp |
---|
| 99 | zwvw(ji,jj,jpk) = 0._wp |
---|
| 100 | END_2D |
---|
[9965] | 101 | ! |
---|
[13998] | 102 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) ! Vertical momentum advection at u- and v-points |
---|
[13237] | 103 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) * r1_e1e2u(ji,jj) & |
---|
| 104 | & / e3u(ji,jj,jk,Kmm) |
---|
| 105 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) * r1_e1e2v(ji,jj) & |
---|
| 106 | & / e3v(ji,jj,jk,Kmm) |
---|
[12377] | 107 | END_3D |
---|
[3] | 108 | |
---|
[13998] | 109 | IF( l_trddyn ) THEN ! save the vertical advection trends for diagnostic |
---|
[12377] | 110 | ztrdu(:,:,:) = puu(:,:,:,Krhs) - ztrdu(:,:,:) |
---|
| 111 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) - ztrdv(:,:,:) |
---|
| 112 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_zad, kt, Kmm ) |
---|
[9019] | 113 | DEALLOCATE( ztrdu, ztrdv ) |
---|
[216] | 114 | ENDIF |
---|
[13998] | 115 | ! ! Control print |
---|
[12377] | 116 | IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Krhs), clinfo1=' zad - Ua: ', mask1=umask, & |
---|
| 117 | & tab3d_2=pvv(:,:,:,Krhs), clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[503] | 118 | ! |
---|
[9019] | 119 | IF( ln_timing ) CALL timing_stop('dyn_zad') |
---|
[2715] | 120 | ! |
---|
[3] | 121 | END SUBROUTINE dyn_zad |
---|
| 122 | |
---|
[503] | 123 | !!====================================================================== |
---|
[3] | 124 | END MODULE dynzad |
---|