[456] | 1 | MODULE dynldf |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynldf *** |
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| 4 | !! Ocean physics: lateral diffusivity trends |
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| 5 | !!===================================================================== |
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[5836] | 6 | !! History : 2.0 ! 2005-11 (G. Madec) Original code (new step architecture) |
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| 7 | !! 3.7 ! 2014-01 (F. Lemarie, G. Madec) restructuration/simplification of ahm specification, |
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| 8 | !! ! add velocity dependent coefficient and optional read in file |
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[503] | 9 | !!---------------------------------------------------------------------- |
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[456] | 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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[2528] | 12 | !! dyn_ldf : update the dynamics trend with the lateral diffusion |
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| 13 | !! dyn_ldf_init : initialization, namelist read, and parameters control |
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[456] | 14 | !!---------------------------------------------------------------------- |
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[503] | 15 | USE oce ! ocean dynamics and tracers |
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| 16 | USE dom_oce ! ocean space and time domain |
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| 17 | USE phycst ! physical constants |
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[5836] | 18 | USE ldfdyn ! lateral diffusion: eddy viscosity coef. |
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| 19 | USE dynldf_lap_blp ! lateral mixing (dyn_ldf_lap & dyn_ldf_blp routines) |
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| 20 | USE dynldf_iso ! lateral mixing (dyn_ldf_iso routine ) |
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[4990] | 21 | USE trd_oce ! trends: ocean variables |
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[5836] | 22 | USE trddyn ! trend manager: dynamics (trd_dyn routine) |
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[4990] | 23 | ! |
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[503] | 24 | USE prtctl ! Print control |
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| 25 | USE in_out_manager ! I/O manager |
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| 26 | USE lib_mpp ! distribued memory computing library |
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| 27 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[5836] | 28 | USE timing ! Timing |
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[456] | 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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[2528] | 33 | PUBLIC dyn_ldf ! called by step module |
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| 34 | PUBLIC dyn_ldf_init ! called by opa module |
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[456] | 35 | |
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[2528] | 36 | !!---------------------------------------------------------------------- |
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[9598] | 37 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1152] | 38 | !! $Id$ |
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[10068] | 39 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[503] | 40 | !!---------------------------------------------------------------------- |
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[456] | 41 | CONTAINS |
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| 42 | |
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[12377] | 43 | SUBROUTINE dyn_ldf( kt, Kbb, Kmm, puu, pvv, Krhs ) |
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[456] | 44 | !!---------------------------------------------------------------------- |
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| 45 | !! *** ROUTINE dyn_ldf *** |
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| 46 | !! |
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| 47 | !! ** Purpose : compute the lateral ocean dynamics physics. |
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[503] | 48 | !!---------------------------------------------------------------------- |
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[12377] | 49 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
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| 50 | INTEGER , INTENT( in ) :: Kbb, 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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[3294] | 52 | ! |
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[9019] | 53 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztrdu, ztrdv |
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[456] | 54 | !!---------------------------------------------------------------------- |
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[2715] | 55 | ! |
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[9019] | 56 | IF( ln_timing ) CALL timing_start('dyn_ldf') |
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[3294] | 57 | ! |
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[5836] | 58 | IF( l_trddyn ) THEN ! temporary save of momentum trends |
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[9019] | 59 | ALLOCATE( ztrdu(jpi,jpj,jpk) , ztrdv(jpi,jpj,jpk) ) |
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[12377] | 60 | ztrdu(:,:,:) = puu(:,:,:,Krhs) |
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| 61 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) |
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[456] | 62 | ENDIF |
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| 63 | |
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[9490] | 64 | SELECT CASE ( nldf_dyn ) ! compute lateral mixing trend and add it to the general trend |
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[503] | 65 | ! |
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[12377] | 66 | CASE ( np_lap ) |
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| 67 | CALL dyn_ldf_lap( kt, Kbb, Kmm, puu(:,:,:,Kbb), pvv(:,:,:,Kbb), puu(:,:,:,Krhs), pvv(:,:,:,Krhs), 1 ) ! iso-level laplacian |
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| 68 | CASE ( np_lap_i ) |
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| 69 | CALL dyn_ldf_iso( kt, Kbb, Kmm, puu, pvv, Krhs ) ! rotated laplacian |
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| 70 | CASE ( np_blp ) |
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| 71 | CALL dyn_ldf_blp( kt, Kbb, Kmm, puu(:,:,:,Kbb), pvv(:,:,:,Kbb), puu(:,:,:,Krhs), pvv(:,:,:,Krhs) ) ! iso-level bi-laplacian |
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[503] | 72 | ! |
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[456] | 73 | END SELECT |
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| 74 | |
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[503] | 75 | IF( l_trddyn ) THEN ! save the horizontal diffusive trends for further diagnostics |
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[12377] | 76 | ztrdu(:,:,:) = puu(:,:,:,Krhs) - ztrdu(:,:,:) |
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| 77 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) - ztrdv(:,:,:) |
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| 78 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_ldf, kt, Kmm ) |
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[9019] | 79 | DEALLOCATE ( ztrdu , ztrdv ) |
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[456] | 80 | ENDIF |
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[503] | 81 | ! ! print sum trends (used for debugging) |
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[12377] | 82 | IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Krhs), clinfo1=' ldf - Ua: ', mask1=umask, & |
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| 83 | & tab3d_2=pvv(:,:,:,Krhs), clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[503] | 84 | ! |
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[9019] | 85 | IF( ln_timing ) CALL timing_stop('dyn_ldf') |
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[2715] | 86 | ! |
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[456] | 87 | END SUBROUTINE dyn_ldf |
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| 88 | |
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| 89 | |
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[2528] | 90 | SUBROUTINE dyn_ldf_init |
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[456] | 91 | !!---------------------------------------------------------------------- |
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[2528] | 92 | !! *** ROUTINE dyn_ldf_init *** |
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[456] | 93 | !! |
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| 94 | !! ** Purpose : initializations of the horizontal ocean dynamics physics |
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| 95 | !!---------------------------------------------------------------------- |
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[5836] | 96 | ! |
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[9490] | 97 | IF(lwp) THEN !== Namelist print ==! |
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[456] | 98 | WRITE(numout,*) |
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[2528] | 99 | WRITE(numout,*) 'dyn_ldf_init : Choice of the lateral diffusive operator on dynamics' |
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[7646] | 100 | WRITE(numout,*) '~~~~~~~~~~~~' |
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[9490] | 101 | WRITE(numout,*) ' Namelist namdyn_ldf: already read in ldfdyn module' |
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| 102 | WRITE(numout,*) ' see ldf_dyn_init report for lateral mixing parameters' |
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| 103 | WRITE(numout,*) |
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[5836] | 104 | ! |
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[9490] | 105 | SELECT CASE( nldf_dyn ) ! print the choice of operator |
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| 106 | CASE( np_no_ldf ) ; WRITE(numout,*) ' ==>>> NO lateral viscosity' |
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| 107 | CASE( np_lap ) ; WRITE(numout,*) ' ==>>> iso-level laplacian operator' |
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| 108 | CASE( np_lap_i ) ; WRITE(numout,*) ' ==>>> rotated laplacian operator with iso-level background' |
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| 109 | CASE( np_blp ) ; WRITE(numout,*) ' ==>>> iso-level bi-laplacian operator' |
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| 110 | END SELECT |
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[456] | 111 | ENDIF |
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[503] | 112 | ! |
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[2528] | 113 | END SUBROUTINE dyn_ldf_init |
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[456] | 114 | |
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| 115 | !!====================================================================== |
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| 116 | END MODULE dynldf |
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