[3] | 1 | MODULE dynhpg_atsk |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynhpg_atsk *** |
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| 4 | !! Ocean dynamics: hydrostatic pressure gradient trend |
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| 5 | !!====================================================================== |
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| 6 | |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! dyn_hpg_atsk : update the momentum trend with the horizontal |
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| 9 | !! gradient of the hydrostatic pressure |
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| 10 | !! |
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| 11 | !! default case : use of 3D work arrays (vector opt. available) |
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| 12 | !! key_s_coord : s-coordinate |
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| 13 | !! key_partial_steps : z-coordinate with partial steps |
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| 14 | !! default key : z-coordinate |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! * Modules used |
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| 17 | USE oce ! ocean dynamics and tracers |
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| 18 | USE dom_oce ! ocean space and time domain |
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| 19 | USE phycst ! physical constants |
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| 20 | USE in_out_manager ! I/O manager |
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[216] | 21 | USE trdmod ! ocean dynamics trends |
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| 22 | USE trdmod_oce ! ocean variables trends |
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[258] | 23 | USE prtctl ! Print control |
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[3] | 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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| 28 | !! * Accessibility |
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| 29 | PUBLIC dyn_hpg_atsk ! routine called by step.F90 |
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| 30 | |
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| 31 | !! * Substitutions |
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| 32 | # include "domzgr_substitute.h90" |
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| 33 | # include "vectopt_loop_substitute.h90" |
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| 34 | !!---------------------------------------------------------------------- |
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[247] | 35 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 36 | !! $Header$ |
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| 37 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[3] | 38 | !!---------------------------------------------------------------------- |
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| 39 | |
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| 40 | CONTAINS |
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| 41 | |
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| 42 | #if defined key_s_coord |
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| 43 | !!--------------------------------------------------------------------- |
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| 44 | !! *** dynhpg_atsk.h90 *** |
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| 45 | !!--------------------------------------------------------------------- |
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| 46 | !! 'key_s_coord' s-coordinate |
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| 47 | !!--------------------------------------------------------------------- |
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| 48 | |
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| 49 | SUBROUTINE dyn_hpg_atsk( kt ) |
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| 50 | !!--------------------------------------------------------------------- |
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| 51 | !! *** ROUTINE dyn_hpg_atsk *** |
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| 52 | !! |
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| 53 | !! ** Purpose : Compute the now momentum trend due to the horizontal |
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| 54 | !! gradient of the hydrostatic pressure. Add it to the general |
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| 55 | !! momentum trend. |
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| 56 | !! |
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| 57 | !! ** Method : The now hydrostatic pressure gradient at a given level |
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| 58 | !! jk is computed by taking the vertical integral of the in-situ |
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| 59 | !! density gradient along the model level from the suface to that |
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| 60 | !! level. s-coordinate case ('key_s_coord'): a corrective term is |
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| 61 | !! added to the horizontal pressure gradient : |
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[32] | 62 | !! zhpi = grav ..... + 1/e1u mi(rhd) di[ grav dep3w ] |
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| 63 | !! zhpj = grav ..... + 1/e2v mj(rhd) dj[ grav dep3w ] |
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[3] | 64 | !! add it to the general momentum trend (ua,va). |
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| 65 | !! ua = ua - 1/e1u * zhpi |
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| 66 | !! va = va - 1/e2v * zhpj |
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| 67 | !! j-k-i loop (j-slab) ('key_autotasking') |
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| 68 | !! |
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| 69 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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| 70 | !! - Save the trend in (utrd,vtrd) ('key_trddyn') |
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| 71 | !! |
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| 72 | !! History : |
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| 73 | !! 7.0 ! 96-01 (G. Madec) s-coordinates |
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| 74 | !! ! 97-05 (G. Madec) split dynber into dynkeg and dynhpg |
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| 75 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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[216] | 76 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
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[3] | 77 | !!---------------------------------------------------------------------- |
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| 78 | !! * modules used |
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| 79 | USE oce, ONLY : zhpi => ta, & ! use ta as 3D workspace |
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| 80 | & zhpj => sa ! use sa as 3D workspace |
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| 81 | |
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| 82 | !! * Arguments |
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| 83 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 84 | |
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| 85 | !! * Local declarations |
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[216] | 86 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[3] | 87 | REAL(wp) :: & |
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| 88 | zcoef0, zcoef1, zuap, zvap ! temporary scalars |
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[216] | 89 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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| 90 | ztdua, ztdva ! temporary scalars |
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[3] | 91 | !!---------------------------------------------------------------------- |
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| 92 | |
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| 93 | IF( kt == nit000 ) THEN |
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| 94 | IF(lwp) WRITE(numout,*) |
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| 95 | IF(lwp) WRITE(numout,*) 'dyn_hpg_atsk : s-coordinate hydrostatic pressure gradient trend' |
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| 96 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ autotasking case (j-k-i loop)' |
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| 97 | ENDIF |
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| 98 | |
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[216] | 99 | ! Save ua and va trends |
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| 100 | IF( l_trddyn ) THEN |
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| 101 | ztdua(:,:,:) = ua(:,:,:) |
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| 102 | ztdva(:,:,:) = va(:,:,:) |
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| 103 | ENDIF |
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| 104 | |
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[3] | 105 | ! 0. Local constant initialization |
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| 106 | ! -------------------------------- |
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[32] | 107 | zcoef0 = - grav * 0.5 |
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[216] | 108 | zuap = 0.e0 |
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| 109 | zvap = 0.e0 |
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[3] | 110 | |
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| 111 | ! ! =============== |
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| 112 | DO jj = 2, jpjm1 ! Vertical slab |
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| 113 | ! ! =============== |
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| 114 | ! 1. Surface value |
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| 115 | ! ---------------- |
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| 116 | DO ji = 2, jpim1 |
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| 117 | ! hydrostatic pressure gradient along s-surfaces |
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| 118 | zhpi(ji,jj,1) = zcoef0 / e1u(ji,jj) & |
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| 119 | * ( fse3w(ji+1,jj,1) * rhd(ji+1,jj,1) - fse3w(ji,jj,1) * rhd(ji,jj,1) ) |
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| 120 | zhpj(ji,jj,1) = zcoef0 / e2v(ji,jj) & |
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| 121 | * ( fse3w(ji,jj+1,1) * rhd(ji,jj+1,1) - fse3w(ji,jj,1) * rhd(ji,jj,1) ) |
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| 122 | ! s-coordinate pressure gradient correction |
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| 123 | zuap = -zcoef0 * ( rhd(ji+1,jj,1) + rhd(ji,jj,1) ) & |
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| 124 | * ( fsde3w(ji+1,jj,1) - fsde3w(ji,jj,1) ) / e1u(ji,jj) |
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| 125 | zvap = -zcoef0 * ( rhd(ji,jj+1,1) + rhd(ji,jj,1) ) & |
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| 126 | * ( fsde3w(ji,jj+1,1) - fsde3w(ji,jj,1) ) / e2v(ji,jj) |
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| 127 | ! add to the general momentum trend |
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| 128 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) + zuap |
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| 129 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) + zvap |
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| 130 | END DO |
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| 131 | |
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| 132 | ! 2. interior value (2=<jk=<jpkm1) |
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| 133 | ! ----------------- |
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| 134 | DO jk = 2, jpkm1 |
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| 135 | DO ji = 2, jpim1 |
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| 136 | ! hydrostatic pressure gradient along s-surfaces |
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| 137 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + zcoef0 / e1u(ji,jj) & |
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[216] | 138 | & * ( fse3w(ji+1,jj,jk) * ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) ) & |
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| 139 | & -fse3w(ji ,jj,jk) * ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) ) ) |
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[3] | 140 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) + zcoef0 / e2v(ji,jj) & |
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[216] | 141 | & * ( fse3w(ji,jj+1,jk) * ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) ) & |
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| 142 | & -fse3w(ji,jj ,jk) * ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) ) ) |
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[3] | 143 | ! s-coordinate pressure gradient correction |
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| 144 | zuap = -zcoef0 * ( rhd(ji+1,jj ,jk) + rhd(ji,jj,jk) ) & |
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| 145 | * ( fsde3w(ji+1,jj,jk) - fsde3w(ji,jj,jk) ) / e1u(ji,jj) |
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| 146 | zvap = -zcoef0 * ( rhd(ji ,jj+1,jk) + rhd(ji,jj,jk) ) & |
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| 147 | * ( fsde3w(ji,jj+1,jk) - fsde3w(ji,jj,jk) ) / e2v(ji,jj) |
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| 148 | ! add to the general momentum trend |
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| 149 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) + zuap |
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| 150 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) + zvap |
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| 151 | END DO |
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| 152 | END DO |
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| 153 | ! ! =============== |
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| 154 | END DO ! End of slab |
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| 155 | ! ! =============== |
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| 156 | |
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[216] | 157 | ! save the hydrostatic pressure gradient trends for diagnostic |
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| 158 | ! momentum trends |
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| 159 | IF( l_trddyn ) THEN |
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| 160 | zhpi(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
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| 161 | zhpj(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
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| 162 | CALL trd_mod(zhpi, zhpj, jpdtdhpg, 'DYN', kt) |
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| 163 | ENDIF |
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| 164 | |
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[258] | 165 | IF(ln_ctl) THEN ! print sum trends (used for debugging) |
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| 166 | CALL prt_ctl(tab3d_1=ua, clinfo1=' hpg - Ua: ', mask1=umask, & |
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| 167 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask, clinfo3='dyn') |
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[3] | 168 | ENDIF |
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| 169 | |
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| 170 | END SUBROUTINE dyn_hpg_atsk |
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| 171 | |
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| 172 | #elif defined key_partial_steps |
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| 173 | !!--------------------------------------------------------------------- |
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| 174 | !! 'key_partial_steps' z-coordinate partial steps |
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| 175 | !!--------------------------------------------------------------------- |
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| 176 | |
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| 177 | SUBROUTINE dyn_hpg_atsk( kt ) |
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| 178 | !!--------------------------------------------------------------------- |
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| 179 | !! *** ROUTINE dyn_hpg_atsk *** |
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| 180 | !! |
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| 181 | !! ** Purpose : Compute the now momentum trend due to the hor. gradient |
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| 182 | !! of the hydrostatic pressure. Add it to the general momentum trend. |
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| 183 | !! |
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| 184 | !! ** Method : The now hydrostatic pressure gradient at a given level |
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| 185 | !! jk is computed by taking the vertical integral of the in-situ |
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| 186 | !! density gradient along the model level from the suface to that |
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[32] | 187 | !! level: zhpi = grav ..... |
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| 188 | !! zhpj = grav ..... |
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[3] | 189 | !! add it to the general momentum trend (ua,va). |
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| 190 | !! ua = ua - 1/e1u * zhpi |
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| 191 | !! va = va - 1/e2v * zhpj |
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| 192 | !! j-k-i loop (j-slab) ('key_autotasking') |
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| 193 | !! |
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| 194 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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| 195 | !! - Save the trend in (utrd,vtrd) ('key_trddyn') |
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| 196 | !! |
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| 197 | !! History : |
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| 198 | !! 8.5 ! 02-08 (A. Bozec) Original code |
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| 199 | !!---------------------------------------------------------------------- |
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| 200 | !! * modules used |
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| 201 | USE oce, ONLY : zhpi => ta, & ! use ta as 3D workspace |
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| 202 | & zhpj => sa ! use sa as 3D workspace |
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| 203 | |
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| 204 | !! * Arguments |
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| 205 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 206 | |
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| 207 | !! * local declarations |
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[216] | 208 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 209 | INTEGER :: iku, ikv ! temporary integers |
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[3] | 210 | REAL(wp) :: & |
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| 211 | zcoef0, zcoef1, zuap, & ! temporary scalars |
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| 212 | zcoef2, zcoef3, zvap ! " " |
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[216] | 213 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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| 214 | ztdua, ztdva ! temporary scalars |
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[3] | 215 | !!---------------------------------------------------------------------- |
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| 216 | |
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| 217 | IF( kt == nit000 ) THEN |
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| 218 | IF(lwp) WRITE(numout,*) |
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| 219 | IF(lwp) WRITE(numout,*) 'dyn_hpg_atsk : z-coord. partial steps hydrostatic pressure gradient trend' |
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| 220 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ autotasking case (j-k-i loop)' |
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| 221 | ENDIF |
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| 222 | |
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[216] | 223 | ! Save ua and va trends |
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| 224 | IF( l_trddyn ) THEN |
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| 225 | ztdua(:,:,:) = ua(:,:,:) |
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| 226 | ztdva(:,:,:) = va(:,:,:) |
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| 227 | ENDIF |
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| 228 | |
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[3] | 229 | ! 0. Local constant initialization |
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| 230 | ! -------------------------------- |
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[32] | 231 | zcoef0 = - grav * 0.5 |
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[3] | 232 | zuap = 0.e0 |
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| 233 | zvap = 0.e0 |
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| 234 | ! ! =============== |
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| 235 | DO jj = 2, jpjm1 ! Vertical slab |
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| 236 | ! ! =============== |
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| 237 | ! 1. Surface value |
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| 238 | ! ---------------- |
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| 239 | DO ji = 2, jpim1 |
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[170] | 240 | zcoef1 = zcoef0 * fse3w(ji,jj,1) |
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[3] | 241 | ! hydrostatic pressure gradient |
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| 242 | zhpi(ji,jj,1) = zcoef1 * ( rhd(ji+1,jj,1) - rhd(ji,jj,1) ) / e1u(ji,jj) |
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| 243 | zhpj(ji,jj,1) = zcoef1 * ( rhd(ji,jj+1,1) - rhd(ji,jj,1) ) / e2v(ji,jj) |
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| 244 | ! add to the general momentum trend |
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| 245 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) |
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| 246 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) |
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| 247 | END DO |
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| 248 | |
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| 249 | ! 2. interior value (2=<jk=<jpkm1) |
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| 250 | ! ----------------- |
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| 251 | DO jk = 2, jpkm1 |
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| 252 | DO ji = 2, jpim1 |
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[170] | 253 | zcoef1 = zcoef0 * fse3w(ji,jj,jk) |
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[3] | 254 | ! hydrostatic pressure gradient |
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| 255 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
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[216] | 256 | & + zcoef1 * ( ( rhd(ji+1,jj,jk)+rhd(ji+1,jj,jk-1) ) & |
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| 257 | & - ( rhd(ji ,jj,jk)+rhd(ji ,jj,jk-1) ) ) / e1u(ji,jj) |
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[3] | 258 | |
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| 259 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
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[216] | 260 | & + zcoef1 * ( ( rhd(ji,jj+1,jk)+rhd(ji,jj+1,jk-1) ) & |
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| 261 | & - ( rhd(ji,jj, jk)+rhd(ji,jj ,jk-1) ) ) / e2v(ji,jj) |
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[3] | 262 | ! add to the general momentum trend |
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| 263 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) |
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| 264 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) |
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| 265 | END DO |
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| 266 | END DO |
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| 267 | |
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| 268 | ! partial steps correction at the last level (new gradient with intgrd.F) |
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| 269 | DO ji = 2, jpim1 |
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| 270 | iku = MIN ( mbathy(ji,jj), mbathy(ji+1,jj) ) - 1 |
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| 271 | ikv = MIN ( mbathy(ji,jj), mbathy(ji,jj+1) ) - 1 |
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| 272 | zcoef2 = zcoef0 * MIN( fse3w(ji,jj,iku), fse3w(ji+1,jj ,iku) ) |
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| 273 | zcoef3 = zcoef0 * MIN( fse3w(ji,jj,ikv), fse3w(ji ,jj+1,ikv) ) |
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| 274 | ! on i-direction |
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| 275 | IF ( iku > 2 ) THEN |
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| 276 | ! subtract old value |
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| 277 | ua(ji,jj,iku) = ua(ji,jj,iku) - zhpi(ji,jj,iku) |
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| 278 | ! compute the new one |
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| 279 | zhpi (ji,jj,iku) = zhpi(ji,jj,iku-1) & |
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| 280 | + zcoef2 * ( rhd(ji+1,jj,iku-1) - rhd(ji,jj,iku-1) + gru(ji,jj) ) / e1u(ji,jj) |
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| 281 | ! add the new one to the general momentum trend |
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| 282 | ua(ji,jj,iku) = ua(ji,jj,iku) + zhpi(ji,jj,iku) |
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| 283 | ENDIF |
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| 284 | ! on j-direction |
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| 285 | IF ( ikv > 2 ) THEN |
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| 286 | ! subtract old value |
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| 287 | va(ji,jj,ikv) = va(ji,jj,ikv) - zhpj(ji,jj,ikv) |
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| 288 | ! compute the new one |
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| 289 | zhpj (ji,jj,ikv) = zhpj(ji,jj,ikv-1) & |
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| 290 | + zcoef3 * ( rhd(ji,jj+1,ikv-1) - rhd(ji,jj,ikv-1) + grv(ji,jj) ) / e2v(ji,jj) |
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| 291 | ! add the new one to the general momentum trend |
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| 292 | va(ji,jj,ikv) = va(ji,jj,ikv) + zhpj(ji,jj,ikv) |
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| 293 | ENDIF |
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| 294 | END DO |
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| 295 | ! ! =============== |
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| 296 | END DO ! End of slab |
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| 297 | ! ! =============== |
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[84] | 298 | |
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[216] | 299 | ! save the hydrostatic pressure gradient trends for diagnostic |
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| 300 | ! momentum trends |
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| 301 | IF( l_trddyn ) THEN |
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| 302 | zhpi(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
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| 303 | zhpj(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
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| 304 | CALL trd_mod(zhpi, zhpj, jpdtdhpg, 'DYN', kt) |
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| 305 | ENDIF |
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| 306 | |
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[258] | 307 | IF(ln_ctl) THEN ! print sum trends (used for debugging) |
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| 308 | CALL prt_ctl(tab3d_1=ua, clinfo1=' hpg - Ua: ', mask1=umask, & |
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| 309 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask, clinfo3='dyn') |
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[84] | 310 | ENDIF |
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| 311 | |
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[3] | 312 | END SUBROUTINE dyn_hpg_atsk |
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| 313 | |
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| 314 | #else |
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| 315 | !!--------------------------------------------------------------------- |
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| 316 | !! Default case : z-coordinate |
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| 317 | !!--------------------------------------------------------------------- |
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| 318 | |
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| 319 | SUBROUTINE dyn_hpg_atsk( kt ) |
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| 320 | !!--------------------------------------------------------------------- |
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| 321 | !! *** ROUTINE dyn_hpg_atsk *** |
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| 322 | !! |
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| 323 | !! ** Purpose : Compute the now momentum trend due to the horizontal |
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| 324 | !! gradient of the hydrostatic pressure. Add it to the general |
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| 325 | !! momentum trend. |
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| 326 | !! |
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| 327 | !! ** Method : The now hydrostatic pressure gradient at a given level |
---|
| 328 | !! jk is computed by taking the vertical integral of the in-situ |
---|
| 329 | !! density gradient along the model level from the suface to that |
---|
[32] | 330 | !! level: zhpi = grav ..... |
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| 331 | !! zhpj = grav ..... |
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[3] | 332 | !! add it to the general momentum trend (ua,va). |
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| 333 | !! ua = ua - 1/e1u * zhpi |
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| 334 | !! va = va - 1/e2v * zhpj |
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| 335 | !! j-k-i loop (j-slab) ('key_autotasking') |
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| 336 | !! |
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| 337 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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| 338 | !! - Save the trend in (utrd,vtrd) ('key_trddyn') |
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| 339 | !! |
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| 340 | !! History : |
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| 341 | !! 1.0 ! 87-09 (P. Andrich, m.-a. Foujols) Original code |
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| 342 | !! ! 91-11 (G. Madec) |
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| 343 | !! ! 96-01 (G. Madec) s-coordinates |
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| 344 | !! ! 97-05 (G. Madec) split dynber into dynkeg and dynhpg |
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| 345 | !! 8.5 ! 02-07 (G. Madec) F90: Free form and module |
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| 346 | !!---------------------------------------------------------------------- |
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| 347 | !! * modules used |
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| 348 | USE oce, ONLY : zhpi => ta, & ! use ta as 3D workspace |
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| 349 | & zhpj => sa ! use sa as 3D workspace |
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| 350 | |
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| 351 | !! * Arguments |
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| 352 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 353 | |
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| 354 | !! * local declarations |
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[216] | 355 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[3] | 356 | REAL(wp) :: & |
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| 357 | zcoef0, zcoef1, zuap, zvap ! temporary scalars |
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[216] | 358 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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| 359 | ztdua, ztdva ! temporary scalars |
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[3] | 360 | !!---------------------------------------------------------------------- |
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| 361 | |
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| 362 | IF( kt == nit000 ) THEN |
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| 363 | IF(lwp) WRITE(numout,*) |
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| 364 | IF(lwp) WRITE(numout,*) 'dyn_hpg_atsk : z-coordinate hydrostatic pressure gradient trend' |
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| 365 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ auto-tasking (j-k-i loop)' |
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| 366 | ENDIF |
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| 367 | |
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[216] | 368 | ! Save ua and va trends |
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| 369 | IF( l_trddyn ) THEN |
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| 370 | ztdua(:,:,:) = ua(:,:,:) |
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| 371 | ztdva(:,:,:) = va(:,:,:) |
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| 372 | ENDIF |
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| 373 | |
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[3] | 374 | ! 0. Local constant initialization |
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| 375 | ! -------------------------------- |
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[32] | 376 | zcoef0 = - grav * 0.5 |
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[216] | 377 | zuap = 0.e0 |
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| 378 | zvap = 0.e0 |
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[3] | 379 | |
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| 380 | ! ! =============== |
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| 381 | DO jj = 2, jpjm1 ! Vertical slab |
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| 382 | ! ! =============== |
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| 383 | ! 1. Surface value |
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| 384 | ! ---------------- |
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| 385 | |
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| 386 | |
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| 387 | DO ji = 2, jpim1 |
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[216] | 388 | zcoef1 = zcoef0 * fse3w(ji,jj,1) |
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[3] | 389 | ! hydrostatic pressure gradient |
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| 390 | zhpi(ji,jj,1) = zcoef1 * ( rhd(ji+1,jj,1) - rhd(ji,jj,1) ) / e1u(ji,jj) |
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| 391 | zhpj(ji,jj,1) = zcoef1 * ( rhd(ji,jj+1,1) - rhd(ji,jj,1) ) / e2v(ji,jj) |
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| 392 | ! add to the general momentum trend |
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| 393 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) |
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| 394 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) |
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| 395 | END DO |
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| 396 | |
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| 397 | ! 2. interior value (2=<jk=<jpkm1) |
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| 398 | ! ----------------- |
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| 399 | DO jk = 2, jpkm1 |
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| 400 | DO ji = 2, jpim1 |
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[216] | 401 | zcoef1 = zcoef0 * fse3w(ji,jj,jk) |
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[3] | 402 | ! hydrostatic pressure gradient |
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| 403 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
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| 404 | & + zcoef1 * ( ( rhd(ji+1,jj,jk)+rhd(ji+1,jj,jk-1) ) & |
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| 405 | & - ( rhd(ji ,jj,jk)+rhd(ji ,jj,jk-1) ) ) / e1u(ji,jj) |
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| 406 | |
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| 407 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
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| 408 | & + zcoef1 * ( ( rhd(ji,jj+1,jk)+rhd(ji,jj+1,jk-1) ) & |
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| 409 | & - ( rhd(ji,jj, jk)+rhd(ji,jj ,jk-1) ) ) / e2v(ji,jj) |
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| 410 | ! add to the general momentum trend |
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| 411 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) |
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| 412 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) |
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| 413 | END DO |
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| 414 | END DO |
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| 415 | ! ! =============== |
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| 416 | END DO ! End of slab |
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| 417 | ! ! =============== |
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| 418 | |
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[216] | 419 | ! save the hydrostatic pressure gradient trends for diagnostic |
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| 420 | ! momentum trends |
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| 421 | IF( l_trddyn ) THEN |
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| 422 | zhpi(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
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| 423 | zhpj(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
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| 424 | |
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| 425 | CALL trd_mod(zhpi, zhpj, jpdtdhpg, 'DYN', kt) |
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| 426 | ENDIF |
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| 427 | |
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[258] | 428 | IF(ln_ctl) THEN ! print sum trends (used for debugging) |
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| 429 | CALL prt_ctl(tab3d_1=ua, clinfo1=' hpg - Ua: ', mask1=umask, & |
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| 430 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask, clinfo3='dyn') |
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[3] | 431 | ENDIF |
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| 432 | |
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| 433 | END SUBROUTINE dyn_hpg_atsk |
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| 434 | |
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| 435 | #endif |
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| 436 | |
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| 437 | !!====================================================================== |
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| 438 | END MODULE dynhpg_atsk |
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