[643] | 1 | MODULE dynadv_cen2 |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynadv *** |
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| 4 | !! Ocean dynamics: Update the momentum trend with the flux form advection |
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| 5 | !! using a 2nd order centred scheme |
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| 6 | !!====================================================================== |
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[1566] | 7 | !! History : 2.0 ! 2006-08 (G. Madec, S. Theetten) Original code |
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| 8 | !! 3.2 ! 2009-07 (R. Benshila) Suppression of rigid-lid option |
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[643] | 9 | !!---------------------------------------------------------------------- |
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| 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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[6140] | 12 | !! dyn_adv_cen2 : flux form momentum advection (ln_dynadv_cen2=T) using a 2nd order centred scheme |
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[643] | 13 | !!---------------------------------------------------------------------- |
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| 14 | USE oce ! ocean dynamics and tracers |
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| 15 | USE dom_oce ! ocean space and time domain |
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[4990] | 16 | USE trd_oce ! trends: ocean variables |
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| 17 | USE trddyn ! trend manager: dynamics |
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| 18 | ! |
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[643] | 19 | USE in_out_manager ! I/O manager |
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[2715] | 20 | USE lib_mpp ! MPP library |
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[1129] | 21 | USE prtctl ! Print control |
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[643] | 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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[1566] | 26 | PUBLIC dyn_adv_cen2 ! routine called by step.F90 |
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[643] | 27 | |
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| 28 | !! * Substitutions |
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[12377] | 29 | # include "do_loop_substitute.h90" |
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[13237] | 30 | # include "domzgr_substitute.h90" |
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[643] | 31 | !!---------------------------------------------------------------------- |
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[9598] | 32 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1152] | 33 | !! $Id$ |
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[10068] | 34 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[643] | 35 | !!---------------------------------------------------------------------- |
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| 36 | CONTAINS |
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| 37 | |
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[12377] | 38 | SUBROUTINE dyn_adv_cen2( kt, Kmm, puu, pvv, Krhs ) |
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[643] | 39 | !!---------------------------------------------------------------------- |
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| 40 | !! *** ROUTINE dyn_adv_cen2 *** |
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| 41 | !! |
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| 42 | !! ** Purpose : Compute the now momentum advection trend in flux form |
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[1566] | 43 | !! and the general trend of the momentum equation. |
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[643] | 44 | !! |
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| 45 | !! ** Method : Trend evaluated using now fields (centered in time) |
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| 46 | !! |
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[12377] | 47 | !! ** Action : (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) updated with the now vorticity term trend |
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[643] | 48 | !!---------------------------------------------------------------------- |
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[12377] | 49 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
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| 50 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
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| 51 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
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[2715] | 52 | ! |
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[1566] | 53 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[14834] | 54 | REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zfu_t, zfu_f, zfu_uw, zfu |
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| 55 | REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zfv_t, zfv_f, zfv_vw, zfv, zfw |
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[643] | 56 | !!---------------------------------------------------------------------- |
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[3294] | 57 | ! |
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[14834] | 58 | IF( .NOT. l_istiled .OR. ntile == 1 ) THEN ! Do only on the first tile |
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| 59 | IF( kt == nit000 .AND. lwp ) THEN |
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| 60 | WRITE(numout,*) |
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| 61 | WRITE(numout,*) 'dyn_adv_cen2 : 2nd order flux form momentum advection' |
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| 62 | WRITE(numout,*) '~~~~~~~~~~~~' |
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| 63 | ENDIF |
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[643] | 64 | ENDIF |
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[3294] | 65 | ! |
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[6140] | 66 | IF( l_trddyn ) THEN ! trends: store the input trends |
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[12377] | 67 | zfu_uw(:,:,:) = puu(:,:,:,Krhs) |
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| 68 | zfv_vw(:,:,:) = pvv(:,:,:,Krhs) |
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[1129] | 69 | ENDIF |
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[6140] | 70 | ! |
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| 71 | ! !== Horizontal advection ==! |
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| 72 | ! |
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| 73 | DO jk = 1, jpkm1 ! horizontal transport |
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[14834] | 74 | DO_2D( 1, 1, 1, 1 ) |
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| 75 | zfu(ji,jj,jk) = 0.25_wp * e2u(ji,jj) * e3u(ji,jj,jk,Kmm) * puu(ji,jj,jk,Kmm) |
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| 76 | zfv(ji,jj,jk) = 0.25_wp * e1v(ji,jj) * e3v(ji,jj,jk,Kmm) * pvv(ji,jj,jk,Kmm) |
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| 77 | END_2D |
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[13497] | 78 | DO_2D( 1, 0, 1, 0 ) ! horizontal momentum fluxes (at T- and F-point) |
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[12377] | 79 | zfu_t(ji+1,jj ,jk) = ( zfu(ji,jj,jk) + zfu(ji+1,jj,jk) ) * ( puu(ji,jj,jk,Kmm) + puu(ji+1,jj ,jk,Kmm) ) |
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| 80 | zfv_f(ji ,jj ,jk) = ( zfv(ji,jj,jk) + zfv(ji+1,jj,jk) ) * ( puu(ji,jj,jk,Kmm) + puu(ji ,jj+1,jk,Kmm) ) |
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| 81 | zfu_f(ji ,jj ,jk) = ( zfu(ji,jj,jk) + zfu(ji,jj+1,jk) ) * ( pvv(ji,jj,jk,Kmm) + pvv(ji+1,jj ,jk,Kmm) ) |
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| 82 | zfv_t(ji ,jj+1,jk) = ( zfv(ji,jj,jk) + zfv(ji,jj+1,jk) ) * ( pvv(ji,jj,jk,Kmm) + pvv(ji ,jj+1,jk,Kmm) ) |
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| 83 | END_2D |
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[13497] | 84 | DO_2D( 0, 0, 0, 0 ) ! divergence of horizontal momentum fluxes |
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[12377] | 85 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) - ( zfu_t(ji+1,jj,jk) - zfu_t(ji,jj ,jk) & |
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[13237] | 86 | & + zfv_f(ji ,jj,jk) - zfv_f(ji,jj-1,jk) ) * r1_e1e2u(ji,jj) & |
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| 87 | & / e3u(ji,jj,jk,Kmm) |
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[12377] | 88 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) - ( zfu_f(ji,jj ,jk) - zfu_f(ji-1,jj,jk) & |
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[13237] | 89 | & + zfv_t(ji,jj+1,jk) - zfv_t(ji ,jj,jk) ) * r1_e1e2v(ji,jj) & |
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| 90 | & / e3v(ji,jj,jk,Kmm) |
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[12377] | 91 | END_2D |
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[1566] | 92 | END DO |
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| 93 | ! |
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[6140] | 94 | IF( l_trddyn ) THEN ! trends: send trend to trddyn for diagnostic |
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[12377] | 95 | zfu_uw(:,:,:) = puu(:,:,:,Krhs) - zfu_uw(:,:,:) |
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| 96 | zfv_vw(:,:,:) = pvv(:,:,:,Krhs) - zfv_vw(:,:,:) |
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| 97 | CALL trd_dyn( zfu_uw, zfv_vw, jpdyn_keg, kt, Kmm ) |
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| 98 | zfu_t(:,:,:) = puu(:,:,:,Krhs) |
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| 99 | zfv_t(:,:,:) = pvv(:,:,:,Krhs) |
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[1129] | 100 | ENDIF |
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[1566] | 101 | ! |
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[6140] | 102 | ! !== Vertical advection ==! |
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| 103 | ! |
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[13497] | 104 | DO_2D( 0, 0, 0, 0 ) ! surface/bottom advective fluxes set to zero |
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[12377] | 105 | zfu_uw(ji,jj,jpk) = 0._wp ; zfv_vw(ji,jj,jpk) = 0._wp |
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| 106 | zfu_uw(ji,jj, 1 ) = 0._wp ; zfv_vw(ji,jj, 1 ) = 0._wp |
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| 107 | END_2D |
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[6140] | 108 | IF( ln_linssh ) THEN ! linear free surface: advection through the surface |
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[13295] | 109 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 110 | zfu_uw(ji,jj,1) = 0.5_wp * ( e1e2t(ji,jj) * ww(ji,jj,1) + e1e2t(ji+1,jj) * ww(ji+1,jj,1) ) * puu(ji,jj,1,Kmm) |
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| 111 | zfv_vw(ji,jj,1) = 0.5_wp * ( e1e2t(ji,jj) * ww(ji,jj,1) + e1e2t(ji,jj+1) * ww(ji,jj+1,1) ) * pvv(ji,jj,1,Kmm) |
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| 112 | END_2D |
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[6140] | 113 | ENDIF |
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| 114 | DO jk = 2, jpkm1 ! interior advective fluxes |
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[13497] | 115 | DO_2D( 0, 1, 0, 1 ) ! 1/4 * Vertical transport |
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[12377] | 116 | zfw(ji,jj,jk) = 0.25_wp * e1e2t(ji,jj) * ww(ji,jj,jk) |
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| 117 | END_2D |
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[13295] | 118 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 119 | zfu_uw(ji,jj,jk) = ( zfw(ji,jj,jk) + zfw(ji+1,jj ,jk) ) * ( puu(ji,jj,jk,Kmm) + puu(ji,jj,jk-1,Kmm) ) |
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| 120 | zfv_vw(ji,jj,jk) = ( zfw(ji,jj,jk) + zfw(ji ,jj+1,jk) ) * ( pvv(ji,jj,jk,Kmm) + pvv(ji,jj,jk-1,Kmm) ) |
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| 121 | END_2D |
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[643] | 122 | END DO |
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[13497] | 123 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) ! divergence of vertical momentum flux divergence |
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[13237] | 124 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) - ( zfu_uw(ji,jj,jk) - zfu_uw(ji,jj,jk+1) ) * r1_e1e2u(ji,jj) & |
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| 125 | & / e3u(ji,jj,jk,Kmm) |
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| 126 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) - ( zfv_vw(ji,jj,jk) - zfv_vw(ji,jj,jk+1) ) * r1_e1e2v(ji,jj) & |
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| 127 | & / e3v(ji,jj,jk,Kmm) |
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[12377] | 128 | END_3D |
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[1566] | 129 | ! |
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[6140] | 130 | IF( l_trddyn ) THEN ! trends: send trend to trddyn for diagnostic |
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[12377] | 131 | zfu_t(:,:,:) = puu(:,:,:,Krhs) - zfu_t(:,:,:) |
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| 132 | zfv_t(:,:,:) = pvv(:,:,:,Krhs) - zfv_t(:,:,:) |
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| 133 | CALL trd_dyn( zfu_t, zfv_t, jpdyn_zad, kt, Kmm ) |
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[1129] | 134 | ENDIF |
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[6140] | 135 | ! ! Control print |
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[12377] | 136 | IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Krhs), clinfo1=' cen2 adv - Ua: ', mask1=umask, & |
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| 137 | & tab3d_2=pvv(:,:,:,Krhs), clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[1129] | 138 | ! |
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[643] | 139 | END SUBROUTINE dyn_adv_cen2 |
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| 140 | |
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| 141 | !!============================================================================== |
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| 142 | END MODULE dynadv_cen2 |
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