[3] | 1 | MODULE ldftra_oce |
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| 2 | !!===================================================================== |
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| 3 | !! *** MODULE ldftra_oce *** |
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| 4 | !! Ocean physics : lateral tracer mixing coefficient defined in memory |
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| 5 | !!===================================================================== |
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[2715] | 6 | !! History : 9.0 ! 2002-11 (G. Madec) Original code |
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[3] | 7 | !!---------------------------------------------------------------------- |
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[2715] | 8 | USE par_oce ! ocean parameters |
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| 9 | USE in_out_manager ! I/O manager |
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| 10 | USE lib_mpp ! MPP library |
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[3] | 11 | |
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| 12 | IMPLICIT NONE |
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| 13 | PRIVATE |
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| 14 | |
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[2715] | 15 | PUBLIC ldftra_oce_alloc ! called by nemo_init->nemo_alloc, nemogcm.F90 |
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| 16 | |
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[3] | 17 | !!---------------------------------------------------------------------- |
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| 18 | !! Lateral eddy diffusivity coefficients (tracers) |
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| 19 | !!---------------------------------------------------------------------- |
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[4147] | 20 | ! !!* Namelist namtra_ldf : lateral mixing * |
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| 21 | LOGICAL , PUBLIC :: ln_traldf_lap !: laplacian operator |
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| 22 | LOGICAL , PUBLIC :: ln_traldf_bilap !: bilaplacian operator |
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| 23 | LOGICAL , PUBLIC :: ln_traldf_level !: iso-level direction |
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| 24 | LOGICAL , PUBLIC :: ln_traldf_hor !: horizontal (geopotential) direction |
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| 25 | LOGICAL , PUBLIC :: ln_traldf_iso !: iso-neutral direction |
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| 26 | LOGICAL , PUBLIC :: ln_traldf_grif !: griffies skew flux |
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| 27 | LOGICAL , PUBLIC :: ln_traldf_gdia !: griffies skew flux streamfunction diagnostics |
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| 28 | REAL(wp), PUBLIC :: rn_aht_0 !: lateral eddy diffusivity (m2/s) |
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| 29 | REAL(wp), PUBLIC :: rn_ahtb_0 !: lateral background eddy diffusivity (m2/s) |
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| 30 | REAL(wp), PUBLIC :: rn_aeiv_0 !: eddy induced velocity coefficient (m2/s) |
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| 31 | REAL(wp), PUBLIC :: rn_slpmax !: slope limit |
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| 32 | REAL(wp), PUBLIC :: rn_chsmag !: multiplicative factor in Smagorinsky diffusivity |
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| 33 | REAL(wp), PUBLIC :: rn_smsh !: Smagorinsky diffusivity: = 0 - use only sheer |
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| 34 | REAL(wp), PUBLIC :: rn_aht_m !: upper limit or stability criteria for lateral eddy diffusivity (m2/s) |
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[3] | 35 | |
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[1601] | 36 | REAL(wp), PUBLIC :: aht0, ahtb0, aeiv0 !!: OLD namelist names |
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[3634] | 37 | |
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[4147] | 38 | LOGICAL , PUBLIC :: ln_triad_iso !: calculate triads twice |
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| 39 | LOGICAL , PUBLIC :: ln_botmix_grif !: mixing on bottom |
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[3294] | 40 | LOGICAL , PUBLIC :: l_grad_zps = .FALSE. !: special treatment for Horz Tgradients w partial steps |
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[3] | 41 | |
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[3294] | 42 | REAL(wp), PUBLIC :: rldf !: multiplicative factor of diffusive coefficient |
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| 43 | !: Needed to define the ratio between passive and active tracer diffusion coef. |
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| 44 | |
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[3] | 45 | #if defined key_traldf_c3d |
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[2715] | 46 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ahtt, ahtu, ahtv, ahtw !: ** 3D coefficients ** at T-,U-,V-,W-points |
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[3] | 47 | #elif defined key_traldf_c2d |
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[2715] | 48 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ahtt, ahtu, ahtv, ahtw !: ** 2D coefficients ** at T-,U-,V-,W-points |
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[3] | 49 | #elif defined key_traldf_c1d |
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[2715] | 50 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: ahtt, ahtu, ahtv, ahtw !: ** 1D coefficients ** at T-,U-,V-,W-points |
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[3] | 51 | #else |
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[2715] | 52 | REAL(wp), PUBLIC :: ahtt, ahtu, ahtv, ahtw !: ** 0D coefficients ** at T-,U-,V-,W-points |
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[3] | 53 | #endif |
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| 54 | |
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| 55 | #if defined key_traldf_eiv |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | !! 'key_traldf_eiv' eddy induced velocity |
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| 58 | !!---------------------------------------------------------------------- |
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[2528] | 59 | LOGICAL, PUBLIC, PARAMETER :: lk_traldf_eiv = .TRUE. !: eddy induced velocity flag |
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[2715] | 60 | |
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| 61 | ! !!! eddy coefficients at U-, V-, W-points [m2/s] |
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[3] | 62 | # if defined key_traldf_c3d |
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[2715] | 63 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: aeiu , aeiv , aeiw !: ** 3D coefficients ** |
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[3] | 64 | # elif defined key_traldf_c2d |
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[2715] | 65 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: aeiu , aeiv , aeiw !: ** 2D coefficients ** |
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[3] | 66 | # elif defined key_traldf_c1d |
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[2715] | 67 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: aeiu , aeiv , aeiw !: ** 1D coefficients ** |
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[3] | 68 | # else |
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[2715] | 69 | REAL(wp), PUBLIC :: aeiu , aeiv , aeiw !: ** 0D coefficients ** |
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[3] | 70 | # endif |
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| 71 | # if defined key_diaeiv |
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[2715] | 72 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: u_eiv, v_eiv, w_eiv !: eddy induced velocity [m/s] |
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[3] | 73 | # endif |
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| 74 | |
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| 75 | #else |
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| 76 | !!---------------------------------------------------------------------- |
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| 77 | !! Default option : NO eddy induced velocity |
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| 78 | !!---------------------------------------------------------------------- |
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[32] | 79 | LOGICAL , PUBLIC, PARAMETER :: lk_traldf_eiv = .FALSE. !: eddy induced velocity flag |
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[1601] | 80 | REAL(wp), PUBLIC :: aeiu, aeiv, aeiw !: eddy induced coef. (not used) |
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[3] | 81 | #endif |
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| 82 | |
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| 83 | !!---------------------------------------------------------------------- |
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[2528] | 84 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1601] | 85 | !! $Id$ |
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[2528] | 86 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[2715] | 87 | !!---------------------------------------------------------------------- |
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| 88 | CONTAINS |
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| 89 | |
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| 90 | INTEGER FUNCTION ldftra_oce_alloc() |
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| 91 | !!---------------------------------------------------------------------- |
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| 92 | !! *** FUNCTION ldftra_oce_alloc *** |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | INTEGER, DIMENSION(3) :: ierr |
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| 95 | !!---------------------------------------------------------------------- |
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| 96 | ierr(:) = 0 |
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| 97 | |
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| 98 | #if defined key_traldf_c3d |
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| 99 | ALLOCATE( ahtt(jpi,jpj,jpk) , ahtu(jpi,jpj,jpk) , ahtv(jpi,jpj,jpk) , ahtw(jpi,jpj,jpk) , STAT=ierr(1) ) |
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| 100 | #elif defined key_traldf_c2d |
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| 101 | ALLOCATE( ahtt(jpi,jpj ) , ahtu(jpi,jpj ) , ahtv(jpi,jpj ) , ahtw(jpi,jpj ) , STAT=ierr(1) ) |
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| 102 | #elif defined key_traldf_c1d |
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| 103 | ALLOCATE( ahtt( jpk) , ahtu( jpk) , ahtv( jpk) , ahtw( jpk) , STAT=ierr(1) ) |
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| 104 | #endif |
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| 105 | ! |
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| 106 | #if defined key_traldf_eiv |
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| 107 | # if defined key_traldf_c3d |
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| 108 | ALLOCATE( aeiu(jpi,jpj,jpk) , aeiv(jpi,jpj,jpk) , aeiw(jpi,jpj,jpk) , STAT=ierr(2) ) |
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| 109 | # elif defined key_traldf_c2d |
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| 110 | ALLOCATE( aeiu(jpi,jpj ) , aeiv(jpi,jpj ) , aeiw(jpi,jpj ) , STAT=ierr(2) ) |
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| 111 | # elif defined key_traldf_c1d |
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| 112 | ALLOCATE( aeiu( jpk) , aeiv( jpk) , aeiw( jpk) , STAT=ierr(2) ) |
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| 113 | # endif |
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| 114 | # if defined key_diaeiv |
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| 115 | ALLOCATE( u_eiv(jpi,jpj,jpk), v_eiv(jpi,jpj,jpk), w_eiv(jpi,jpj,jpk), STAT=ierr(3)) |
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| 116 | # endif |
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| 117 | #endif |
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| 118 | ldftra_oce_alloc = MAXVAL( ierr ) |
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| 119 | IF( ldftra_oce_alloc /= 0 ) CALL ctl_warn('ldftra_oce_alloc: failed to allocate arrays') |
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| 120 | ! |
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| 121 | END FUNCTION ldftra_oce_alloc |
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| 122 | |
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[1601] | 123 | !!===================================================================== |
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[3] | 124 | END MODULE ldftra_oce |
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