[3] | 1 | MODULE dynzad |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynzad *** |
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| 4 | !! Ocean dynamics : vertical advection trend |
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| 5 | !!====================================================================== |
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[503] | 6 | !! History : 6.0 ! 91-01 (G. Madec) Original code |
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| 7 | !! 7.0 ! 91-11 (G. Madec) |
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| 8 | !! 7.5 ! 96-01 (G. Madec) statement function for e3 |
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| 9 | !! 8.5 ! 02-07 (G. Madec) j-k-i case: Original code |
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| 10 | !! 8.5 ! 02-07 (G. Madec) Free form, F90 |
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| 11 | !!---------------------------------------------------------------------- |
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[3] | 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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[503] | 14 | !! dyn_zad : vertical advection momentum trend |
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[3] | 15 | !!---------------------------------------------------------------------- |
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[503] | 16 | USE oce ! ocean dynamics and tracers |
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| 17 | USE dom_oce ! ocean space and time domain |
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| 18 | USE in_out_manager ! I/O manager |
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| 19 | USE trdmod ! ocean dynamics trends |
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| 20 | USE trdmod_oce ! ocean variables trends |
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| 21 | USE flxrnf ! ocean runoffs |
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| 22 | USE prtctl ! Print control |
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[3] | 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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[503] | 27 | PUBLIC dyn_zad ! routine called by step.F90 |
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[3] | 28 | |
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| 29 | !! * Substitutions |
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| 30 | # include "domzgr_substitute.h90" |
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| 31 | # include "vectopt_loop_substitute.h90" |
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| 32 | !!---------------------------------------------------------------------- |
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[247] | 33 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 34 | !! $Header$ |
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[503] | 35 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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[3] | 36 | !!---------------------------------------------------------------------- |
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| 37 | |
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| 38 | CONTAINS |
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| 39 | |
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[455] | 40 | #if defined key_mpp_omp |
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[3] | 41 | !!---------------------------------------------------------------------- |
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[455] | 42 | !! 'key_mpp_omp' OpenMP / NEC autotasking: j-k-i loops (j-slab) |
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[3] | 43 | !!---------------------------------------------------------------------- |
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| 44 | |
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| 45 | SUBROUTINE dyn_zad( kt ) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | !! *** ROUTINE dynzad *** |
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| 48 | !! |
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| 49 | !! ** Purpose : Compute the now vertical momentum advection trend and |
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| 50 | !! add it to the general trend of momentum equation. |
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| 51 | !! |
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[455] | 52 | !! ** Method : Use j-slab (j-k-i loops) for OpenMP / NEC autotasking |
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[3] | 53 | !! The now vertical advection of momentum is given by: |
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| 54 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
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| 55 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
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| 56 | !! Add this trend to the general trend (ua,va): |
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| 57 | !! (ua,va) = (ua,va) + w dz(u,v) |
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| 58 | !! |
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| 59 | !! ** Action : - Update (ua,va) with the vert. momentum advection trends |
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[503] | 60 | !! - Save the trends in (ztrdu,ztrdv) ('key_trddyn') |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | USE oce, ONLY: zwuw => ta ! use ta as 3D workspace |
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| 63 | USE oce, ONLY: zwvw => sa ! use sa as 3D workspace |
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[3] | 64 | !! |
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[503] | 65 | INTEGER, INTENT(in) :: kt ! ocean time-step inedx |
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| 66 | !! |
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| 67 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 68 | REAL(wp) :: zvn, zua, zva ! temporary scalars |
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| 69 | REAL(wp), DIMENSION(jpi) :: zww ! 1D workspace |
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| 70 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrdu, ztrdv ! 3D workspace |
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[3] | 71 | !!---------------------------------------------------------------------- |
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| 72 | |
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| 73 | IF( kt == nit000 ) THEN |
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| 74 | IF(lwp) WRITE(numout,*) |
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| 75 | IF(lwp) WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
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| 76 | IF(lwp) WRITE(numout,*) '~~~~~~~ Auto-tasking case, j-slab, no vector opt.' |
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| 77 | ENDIF |
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| 78 | |
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[503] | 79 | IF( l_trddyn ) THEN ! Save ua and va trends |
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| 80 | ztrdu(:,:,:) = ua(:,:,:) |
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| 81 | ztrdv(:,:,:) = va(:,:,:) |
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[216] | 82 | ENDIF |
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| 83 | |
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[3] | 84 | ! ! =============== |
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| 85 | DO jj = 2, jpjm1 ! Vertical slab |
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| 86 | ! ! =============== |
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[503] | 87 | DO jk = 2, jpkm1 ! Vertical momentum advection at uw and vw-pts |
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| 88 | DO ji = 2, jpi ! vertical fluxes |
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[3] | 89 | zww(ji) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
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| 90 | END DO |
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[503] | 91 | DO ji = 2, jpim1 ! vertical momentum advection at w-point |
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[3] | 92 | zvn = 0.25 * e1t(ji,jj+1) * e2t(ji,jj+1) * wn(ji,jj+1,jk) |
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| 93 | zwuw(ji,jj,jk) = ( zww(ji+1) + zww(ji) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
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| 94 | zwvw(ji,jj,jk) = ( zvn + zww(ji) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
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| 95 | END DO |
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| 96 | END DO |
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[503] | 97 | DO ji = 2, jpim1 ! Surface and bottom values set to zero |
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[3] | 98 | zwuw(ji,jj, 1 ) = 0.e0 |
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| 99 | zwvw(ji,jj, 1 ) = 0.e0 |
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| 100 | zwuw(ji,jj,jpk) = 0.e0 |
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| 101 | zwvw(ji,jj,jpk) = 0.e0 |
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| 102 | END DO |
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[503] | 103 | ! |
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| 104 | DO jk = 1, jpkm1 ! Vertical momentum advection at u- and v-points |
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[3] | 105 | DO ji = 2, jpim1 |
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[503] | 106 | ! ! vertical momentum advective trends |
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[3] | 107 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
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| 108 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
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[503] | 109 | ! ! add the trends to the general momentum trends |
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[3] | 110 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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| 111 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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| 112 | END DO |
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| 113 | END DO |
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| 114 | ! ! =============== |
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| 115 | END DO ! End of slab |
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| 116 | ! ! =============== |
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[503] | 117 | ! |
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| 118 | IF( l_trddyn ) THEN ! save the vertical advection trends for diagnostic |
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| 119 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 120 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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| 121 | CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_zad, 'DYN', kt ) |
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[216] | 122 | ENDIF |
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[503] | 123 | ! ! Control print |
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| 124 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zad - Ua: ', mask1=umask, & |
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| 125 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask, clinfo3='dyn' ) |
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| 126 | ! |
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[3] | 127 | END SUBROUTINE dyn_zad |
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| 128 | |
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| 129 | #else |
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| 130 | !!---------------------------------------------------------------------- |
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| 131 | !! Default option k-j-i loop (vector opt.) |
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| 132 | !!---------------------------------------------------------------------- |
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| 133 | |
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| 134 | SUBROUTINE dyn_zad ( kt ) |
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| 135 | !!---------------------------------------------------------------------- |
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| 136 | !! *** ROUTINE dynzad *** |
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| 137 | !! |
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| 138 | !! ** Purpose : Compute the now vertical momentum advection trend and |
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| 139 | !! add it to the general trend of momentum equation. |
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| 140 | !! |
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| 141 | !! ** Method : The now vertical advection of momentum is given by: |
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| 142 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
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| 143 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
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| 144 | !! Add this trend to the general trend (ua,va): |
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| 145 | !! (ua,va) = (ua,va) + w dz(u,v) |
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| 146 | !! |
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| 147 | !! ** Action : - Update (ua,va) with the vert. momentum adv. trends |
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[503] | 148 | !! - Save the trends in (ztrdu,ztrdv) ('key_trddyn') |
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| 149 | !!---------------------------------------------------------------------- |
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| 150 | USE oce, ONLY: zwuw => ta ! use ta as 3D workspace |
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| 151 | USE oce, ONLY: zwvw => sa ! use sa as 3D workspace |
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[3] | 152 | !! |
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[503] | 153 | INTEGER, INTENT(in) :: kt ! ocean time-step inedx |
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| 154 | !! |
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| 155 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 156 | REAL(wp) :: zua, zva ! temporary scalars |
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| 157 | REAL(wp), DIMENSION(jpi,jpj) :: zww ! 2D workspace |
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| 158 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrdu, ztrdv ! 3D workspace |
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[3] | 159 | !!---------------------------------------------------------------------- |
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| 160 | |
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| 161 | IF( kt == nit000 ) THEN |
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| 162 | IF(lwp)WRITE(numout,*) |
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| 163 | IF(lwp)WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
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| 164 | IF(lwp)WRITE(numout,*) '~~~~~~~ vector optimization k-j-i loop' |
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| 165 | ENDIF |
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[216] | 166 | |
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[503] | 167 | IF( l_trddyn ) THEN ! Save ua and va trends |
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| 168 | ztrdu(:,:,:) = ua(:,:,:) |
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| 169 | ztrdv(:,:,:) = va(:,:,:) |
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[216] | 170 | ENDIF |
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[3] | 171 | |
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[503] | 172 | DO jk = 2, jpkm1 ! Vertical momentum advection at level w and u- and v- vertical |
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| 173 | DO jj = 2, jpj ! vertical fluxes |
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| 174 | DO ji = fs_2, jpi ! vector opt. |
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[3] | 175 | zww(ji,jj) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
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| 176 | END DO |
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| 177 | END DO |
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[503] | 178 | DO jj = 2, jpjm1 ! vertical momentum advection at w-point |
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| 179 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[3] | 180 | zwuw(ji,jj,jk) = ( zww(ji+1,jj ) + zww(ji,jj) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
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| 181 | zwvw(ji,jj,jk) = ( zww(ji ,jj+1) + zww(ji,jj) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
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| 182 | END DO |
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| 183 | END DO |
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| 184 | END DO |
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[503] | 185 | DO jj = 2, jpjm1 ! Surface and bottom values set to zero |
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| 186 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[3] | 187 | zwuw(ji,jj, 1 ) = 0.e0 |
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| 188 | zwvw(ji,jj, 1 ) = 0.e0 |
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| 189 | zwuw(ji,jj,jpk) = 0.e0 |
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| 190 | zwvw(ji,jj,jpk) = 0.e0 |
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| 191 | END DO |
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| 192 | END DO |
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| 193 | |
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[503] | 194 | DO jk = 1, jpkm1 ! Vertical momentum advection at u- and v-points |
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[3] | 195 | DO jj = 2, jpjm1 |
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[503] | 196 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 197 | ! ! vertical momentum advective trends |
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[3] | 198 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
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| 199 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
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[503] | 200 | ! ! add the trends to the general momentum trends |
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[3] | 201 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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| 202 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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| 203 | END DO |
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| 204 | END DO |
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| 205 | END DO |
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| 206 | |
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[503] | 207 | IF( l_trddyn ) THEN ! save the vertical advection trends for diagnostic |
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| 208 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 209 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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| 210 | CALL trd_mod(ztrdu, ztrdv, jpdyn_trd_zad, 'DYN', kt) |
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[216] | 211 | ENDIF |
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[503] | 212 | ! ! Control print |
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| 213 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zad - Ua: ', mask1=umask, & |
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| 214 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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| 215 | ! |
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[3] | 216 | END SUBROUTINE dyn_zad |
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| 217 | #endif |
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| 218 | |
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[503] | 219 | !!====================================================================== |
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[3] | 220 | END MODULE dynzad |
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