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C $Header: /u/gcmpack/MITgcm/pkg/ggl90/GGL90.h,v 1.2 2004/09/27 08:02:05 mlosch Exp $ |
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C $Name: $ |
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#ifdef ALLOW_GGL90 |
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CBOP |
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C !ROUTINE: GGL90.h |
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C !DESCRIPTION: \bv |
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C /==========================================================\ |
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C | GGL90.h | |
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C | o Basic header for Garpar et al. (1990) | |
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C | vertical mixing parameterization. Implementation | |
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C | follows OPA implementation of Blanke+Delecuse (1993) | |
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C | Contains all GGL90 field declarations. | |
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C \==========================================================/ |
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C----------------------------------------------------------------------- |
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C |
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C Parameters that can be set in data.ggl90 |
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C unless otherwise noted, equation numbers refer to Gaspar et al. |
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C (1990), JGR, 95(C9) pp. 16,179ff. |
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C |
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C GGL90ck - constant in viscosity coefficient (eq.10) |
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C GGL90ceps - dissipation constant according to Kolmogorov (1942) |
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C GGL90m2 - constant relating wind stress to vertical stress of TKE |
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C in K [d(TKE)/dz](0)=m2*ustar^3 |
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C GGL90alpha - constant relating viscosity to GGL90 diffusivity |
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C (default=1 in Gaspar etal.) |
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C GGL90TKEsurfmin - minimum of surface kinetic energy boundary condition |
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C (default=GGL90TKEmin) |
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C GGL90TKEmin - minimum kinetic energy, leads to minimum mixing if TKE=0. |
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C GGL90TKEbottom - bottom bounardy condition for kinetic energy |
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C (default=GGL90TKEmin) |
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C GGL90TKEFile - File with initial field of TKE |
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C |
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C GGL90dumpFreq - analogue of dumpFreq (= default) |
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C GGL90taveFreq - analogue of taveFreq (= default) |
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C GGL90mixingMaps - output to standard out (default = .FALSE.) |
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C GGL90writeState - output to files (default = .FALSE.) |
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C |
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C Time varying parameters computed by subroutine ggl90_calc |
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C GGL90TKE - prognostic variable stepped forward in time ((m/s)^2) |
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C GGL90viscAr - Vertical eddy viscosity coefficient (m^2/s) |
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C GGL90diffKr - Vertical diffusion coefficient for heat, |
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C salt and tracers (m^2/s) |
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C |
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C----------------------------------------------------------------------- |
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C \ev |
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CEOP |
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_RL SQRTTWO |
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PARAMETER ( SQRTTWO = 1.41421356237310D0 ) |
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_RL GGL90eps |
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PARAMETER ( GGL90eps = 2.23D-16 ) |
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CHARACTER*(MAX_LEN_FNAM) GGL90TKEFile |
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COMMON /GGL90_PARMS_C/ GGL90TKEFile |
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_RL GGL90ck, GGL90ceps |
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_RL GGL90alpha, GGL90m2 |
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_RL GGL90diffTKEh |
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_RL GGL90mixingLengthMin |
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_RL GGL90TKEmin, GGL90TKEsurfMin, GGL90TKEbottom |
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_RL GGL90viscMax, GGL90diffMax |
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_RL GGL90dumpFreq, GGL90taveFreq |
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COMMON /GGL90_PARMS_R/ |
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& GGL90ck, GGL90ceps, |
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& GGL90alpha, GGL90m2, |
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& GGL90diffTKEh, |
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& GGL90mixingLengthMin, |
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& GGL90TKEmin, GGL90TKEsurfMin, GGL90TKEbottom, |
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& GGL90viscMax, GGL90diffMax, |
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& GGL90dumpFreq, GGL90taveFreq |
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_RL GGL90TKE (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL GGL90viscAr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL GGL90diffKr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL recip_hFacI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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COMMON /GGL90_FIELDS/ GGL90TKE, |
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& GGL90viscAr, GGL90diffKr, |
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& recip_hFacI |
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LOGICAL GGL90isOn, GGL90mixingMaps, GGL90writeState |
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COMMON /GGL90_PARMS_L/ |
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& GGL90isOn, GGL90mixingMaps, GGL90writeState |
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#endif /* ALLOW_GGL90 */ |
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