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ldftra_oce.F90 in tags/nemo_dev_x3/NEMO/OPA_SRC/LDF – NEMO

source: tags/nemo_dev_x3/NEMO/OPA_SRC/LDF/ldftra_oce.F90 @ 105

Last change on this file since 105 was 105, checked in by cvs2svn, 20 years ago

This commit was manufactured by cvs2svn to create tag 'nemo_dev_x3'.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.2 KB
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1MODULE ldftra_oce
2   !!=====================================================================
3   !!                      ***  MODULE  ldftra_oce  ***
4   !! Ocean physics :  lateral tracer mixing coefficient defined in memory
5   !!=====================================================================
6   !!
7   !! ** Purpose : - Define in memory lateral tracer mixing coefficients
8   !!
9   !! History :
10   !!   9.0  !  02-11  (G. Madec)  Original code (from common.h)
11   !!----------------------------------------------------------------------
12   !!  OPA 9.0 ,  LODYC-IPSL (2003)
13   !!----------------------------------------------------------------------
14   !! * Modules used
15   USE par_oce         ! ocean parameters
16
17   IMPLICIT NONE
18   PRIVATE
19
20   !!----------------------------------------------------------------------
21   !! Lateral eddy diffusivity coefficients (tracers)
22   !!----------------------------------------------------------------------
23
24   LOGICAL , PUBLIC ::              & !!: ** lateral mixing namelist (nam_traldf) **
25      ln_traldf_lap   = .TRUE.  ,   &  !: laplacian operator
26      ln_traldf_bilap = .FALSE. ,   &  !: bilaplacian operator
27      ln_traldf_level = .FALSE. ,   &  !: iso-level direction
28      ln_traldf_hor   = .FALSE. ,   &  !: horizontal (geopotential) direction
29      ln_traldf_iso   = .TRUE.         !: iso-neutral direction
30
31   REAL(wp), PUBLIC ::              & !!: ** lateral mixing namelist (namldf) **
32      aht0  = 2000._wp     ,        &  !: lateral eddy diffusivity (m2/s)
33      ahtb0 =    0._wp     ,        &  !: lateral background eddy diffusivity (m2/s)
34      aeiv0 = 2000._wp                 !: eddy induced velocity coefficient (m2/s)
35
36   LOGICAL , PUBLIC ::              &  !: flag of the lateral diff. scheme used
37      l_traldf_lap         ,        &  !: iso-level laplacian operator
38      l_traldf_bilap       ,        &  !: iso-level bilaplacian operator
39      l_traldf_bilapg      ,        &  !: geopotential bilap. (s-coord)
40      l_traldf_iso         ,        &  !: iso-neutral laplacian or horizontal lapacian (s-coord)
41      l_trazdf_iso         ,        &  !: idem for the vertical component
42      l_trazdf_iso_vo      ,        &  !: idem with vectopt_memory
43      l_traldf_iso_zps                 !: iso-neutral laplacian (partial steps)
44
45#if defined key_traldf_c3d
46   REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) ::   &  !: ** 3D coefficients **
47#elif defined key_traldf_c2d
48   REAL(wp), PUBLIC, DIMENSION(jpi,jpj)     ::   &  !: ** 2D coefficients **
49#elif defined key_traldf_c1d
50   REAL(wp), PUBLIC, DIMENSION(jpk)         ::   &  !: ** 1D coefficients **
51#else
52   REAL(wp), PUBLIC                         ::   &  !: ** 0D coefficients **
53#endif
54      ahtt, ahtu, ahtv, ahtw                !: T-, U-, V-, W-points coefficients
55
56
57#if defined key_traldf_eiv
58   !!----------------------------------------------------------------------
59   !!   'key_traldf_eiv'                              eddy induced velocity
60   !!----------------------------------------------------------------------
61   LOGICAL, PUBLIC, PARAMETER ::   lk_traldf_eiv   = .TRUE.   !: eddy induced velocity flag
62     
63# if defined key_traldf_c3d
64   REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) ::   &  !: ** 3D coefficients **
65# elif defined key_traldf_c2d
66   REAL(wp), PUBLIC, DIMENSION(jpi,jpj)     ::   &  !: ** 2D coefficients **
67# elif defined key_traldf_c1d
68   REAL(wp), PUBLIC, DIMENSION(jpk)         ::   &  !: ** 1D coefficients **
69# else
70   REAL(wp), PUBLIC                         ::   &  !: ** 0D coefficients **
71# endif
72      aeiu, aeiv, aeiw                              !: U-, V-, W-points  induced velocity coef. (m2/s)
73
74# if defined key_diaeiv
75   REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) ::    &  !:
76      u_eiv, v_eiv, w_eiv     !: The three component of the eddy induced velocity (m/s)
77# endif
78
79#else
80   !!----------------------------------------------------------------------
81   !!   Default option :                           NO eddy induced velocity
82   !!----------------------------------------------------------------------
83   LOGICAL , PUBLIC, PARAMETER ::   lk_traldf_eiv   = .FALSE.   !: eddy induced velocity flag
84   REAL(wp), PUBLIC ::   aeiu, aeiv, aeiw
85#endif
86
87   !!----------------------------------------------------------------------
88END MODULE ldftra_oce
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