/[MITgcm]/MITgcm/pkg/ggl90/GGL90.h
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Revision 1.1 - (hide annotations) (download)
Thu Sep 16 11:27:18 2004 UTC (19 years, 8 months ago) by mlosch
Branch: MAIN
CVS Tags: checkpoint55c_post, checkpoint55b_post, checkpoint55, checkpoint54f_post, checkpoint55a_post
File MIME type: text/plain
o initial check-in of TKE-model of Gaspar et al. 1990

1 mlosch 1.1 C $Header: $
2     C $Name: $
3    
4     #ifdef ALLOW_GGL90
5    
6     CBOP
7     C !ROUTINE: GGL90.h
8    
9     C !DESCRIPTION: \bv
10     C /==========================================================\
11     C | GGL90.h |
12     C | o Basic header for Garpar et al. (1990) |
13     C | vertical mixing parameterization. Implementation |
14     C | follows OPA implementation of Blanke+Delecuse (1993) |
15     C | Contains all GGL90 field declarations. |
16     C \==========================================================/
17    
18     C-----------------------------------------------------------------------
19     C
20     C Parameters that can be set in data.ggl90
21     C unless otherwise noted, equation numbers refer to Gaspar et al.
22     C (1990), JGR, 95(C9) pp. 16,179ff.
23     C
24     C GGL90ck - constant in viscosity coefficient (eq.10)
25     C GGL90ceps - dissipation constant according to Kolmogorov (1942)
26     C GGL90m2 - constant relating wind stress to vertical stress of TKE
27     C in K [d(TKE)/dz](0)=m2*ustar^3
28     C GGL90alpha - constant relating viscosity to GGL90 diffusivity
29     C (default=1 in Gaspar etal.)
30     C GGL90TKEmin - minimum kinetic energy, leads to minimum mixing if TKE=0.
31     C GGL90TKEbottom - bottom bounardy condition for kinetic energy
32     C (default=GGL90TKEmin)
33     C GGL90TKEFile - File with initial field of TKE
34     C
35     C GGL90dumpFreq - analogue of dumpFreq (= default)
36     C GGL90taveFreq - analogue of taveFreq (= default)
37     C GGL90mixingMaps - output to standard out (default = .FALSE.)
38     C GGL90writeState - output to files (default = .FALSE.)
39     C
40     C Time varying parameters computed by subroutine ggl90_calc
41     C GGL90TKE - prognostic variable stepped forward in time ((m/s)^2)
42     C GGL90viscAr - Vertical eddy viscosity coefficient (m^2/s)
43     C GGL90diffKr - Vertical diffusion coefficient for heat,
44     C salt and tracers (m^2/s)
45     C
46     C-----------------------------------------------------------------------
47     C \ev
48     CEOP
49     _RL SQRTTWO
50     PARAMETER ( SQRTTWO = 1.41421356237310D0 )
51     _RL GGL90eps
52     PARAMETER ( GGL90eps = 2.23D-16 )
53    
54     CHARACTER*(MAX_LEN_FNAM) GGL90TKEFile
55     COMMON /GGL90_PARMS_C/ GGL90TKEFile
56    
57    
58     _RL GGL90ck, GGL90ceps
59     _RL GGL90alpha, GGL90m2
60     _RL GGL90mixingLengthMin
61     _RL GGL90TKEmin, GGL90TKEbottom
62     _RL GGL90viscMax, GGL90diffMax
63     _RL GGL90dumpFreq, GGL90taveFreq
64     COMMON /GGL90_PARMS_R/
65     & GGL90ck, GGL90ceps,
66     & GGL90alpha, GGL90m2,
67     & GGL90mixingLengthMin,
68     & GGL90TKEmin, GGL90TKEbottom,
69     & GGL90viscMax, GGL90diffMax,
70     & GGL90dumpFreq, GGL90taveFreq
71    
72     _RL GGL90TKE (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
73     _RL GGL90viscAr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
74     _RL GGL90diffKr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
75     _RL recip_hFacI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
76     COMMON /GGL90_FIELDS/ GGL90TKE,
77     & GGL90viscAr, GGL90diffKr,
78     & recip_hFacI
79    
80     LOGICAL GGL90isOn, GGL90mixingMaps, GGL90writeState
81     COMMON /GGL90_PARMS_L/
82     & GGL90isOn, GGL90mixingMaps, GGL90writeState
83    
84     #endif /* ALLOW_GGL90 */

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