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C $Header: /u/gcmpack/models/MITgcmUV/pkg/kpp/KPP_PARAMS.h,v 1.1 2000/06/21 19:45:46 adcroft Exp $ |
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C /==========================================================\ |
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C | KPP_PARAMS.h | |
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C | o Basic parameter header for KPP vertical mixing | |
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C | parameterization. These parameters are initialized by | |
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C | and/or read in from data.kpp file. | |
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C \==========================================================/ |
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C Parameters used in kpp routine arguments (needed for compilation |
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C of kpp routines even if ALLOW_KPP is not defined) |
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C mdiff = number of diffusivities for local arrays |
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C imt = array dimension for local arrays |
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C Nrm1, Nrp1, Nrp2 = number of vertical levels |
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integer mdiff, imt, Nrm1, Nrp1, Nrp2 |
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parameter (mdiff = 3) |
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#ifdef FRUGAL_KPP |
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parameter (imt = sNx*sNy) |
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#else |
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parameter (imt = (sNx+2*OLx)*(sNy+2*OLy)) |
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#endif |
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parameter (Nrm1 = Nr-1) |
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parameter (Nrp1 = Nr+1) |
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parameter (Nrp2 = Nr+2) |
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#ifdef ALLOW_KPP |
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C Time invariant parameters initialized by subroutine kmixinit |
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C nzmax (nx,ny) - Maximum number of wet levels in each column |
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C pMask - Mask relating to Pressure/Tracer point grid. |
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C 0. if P point is on land. |
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C 1. if P point is in water. |
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C zgrid (0:Nr+1) - vertical levels of tracers (<=0) (m) |
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C hwide (0:Nr+1) - layer thicknesses (>=0) (m) |
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C kpp_freq - Re-computation frequency for KPP parameters (s) |
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C kpp_dumpFreq - KPP dump frequency. (s) |
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C kpp_taveFreq - KPP time-averaging frequency. (s) |
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INTEGER nzmax (1-OLx:sNx+OLx,1-OLy:sNy+OLy, nSx,nSy) |
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_RS pMask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RS zgrid (0:Nr+1) |
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_RS hwide (0:Nr+1) |
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_RL kpp_freq |
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_RL kpp_dumpFreq |
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_RL kpp_taveFreq |
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COMMON /kpp_i/ nzmax |
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COMMON /kpp_RS/ pMask, zgrid, hwide |
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COMMON /kpp_RL/ kpp_freq, kpp_dumpFreq, kpp_taveFreq |
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C----------------------------------------------------------------------- |
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C |
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C KPP flags and min/max permitted values for mixing parameters |
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c |
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C KPPmixingMaps - if true, include KPP diagnostic maps in STDOUT |
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C KPPwriteState - if true, write KPP state to file |
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C minKPPghat, maxKPPghat - KPP non local transport bounds (s/m^2) |
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C minKPPviscAz, maxKPPviscAz - KPP viscosity bounds (m^2/s) |
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C minKPPdiffKzT, maxKPPdiffKzT - KPP heat diffusivity bounds (m^2/s) |
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C minKPPdiffKzS, maxKPPdiffKzS - KPP tracer diffusivity bounds (m^2/s) |
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C minKPPhbl - KPPhbl minimum value (m) |
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C |
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C----------------------------------------------------------------------- |
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LOGICAL KPPmixingMaps, KPPwriteState |
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COMMON /KPP_PARM_L/ |
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& KPPmixingMaps, KPPwriteState |
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_RS minKPPghat , maxKPPghat |
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_RS minKPPviscAz , maxKPPviscAz(Nr) |
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_RS minKPPdiffKzT, maxKPPdiffKzT |
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_RS minKPPdiffKzS, maxKPPdiffKzS, minKPPhbl |
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COMMON /KPP_PARM_R/ |
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& minKPPghat , maxKPPghat |
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& , minKPPviscAz , maxKPPviscAz |
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& , minKPPdiffKzT, maxKPPdiffKzT |
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& , minKPPdiffKzS, maxKPPdiffKzS, minKPPhbl |
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c====================== file "kmixcom.h" ======================= |
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c |
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c----------------------------------------------------------------------- |
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c Define various parameters and common blocks for KPP vertical- |
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c mixing scheme; used in "kppmix.F" subroutines. |
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c Constants are set in subroutine "ini_parms". |
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c----------------------------------------------------------------------- |
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c |
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c----------------------------------------------------------------------- |
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c parameters for several subroutines |
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c |
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c epsln = 1.0e-20 |
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c phepsi = 1.0e-10 |
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c epsilon = nondimensional extent of the surface layer = 0.1 |
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c vonk = von Karmans constant = 0.4 |
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c dB_dz = maximum dB/dz in mixed layer hMix = 5.2e-5 s^-2 |
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c conc1,conam,concm,conc2,zetam,conas,concs,conc3,zetas |
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c = scalar coefficients |
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c----------------------------------------------------------------------- |
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_RS epsln,phepsi,epsilon,vonk,dB_dz, |
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$ conc1, |
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$ conam,concm,conc2,zetam, |
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$ conas,concs,conc3,zetas |
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common /kmixcom/ epsln,phepsi,epsilon,vonk,dB_dz, |
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$ conc1, |
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$ conam,concm,conc2,zetam, |
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$ conas,concs,conc3,zetas |
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c----------------------------------------------------------------------- |
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c parameters for subroutine "bldepth" |
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c |
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c |
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c to compute depth of boundary layer: |
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c |
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c Ricr = critical bulk Richardson Number = 0.3 |
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c cekman = coefficient for ekman depth = 0.7 |
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c cmonob = coefficient for Monin-Obukhov depth = 1.0 |
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c concv = ratio of interior buoyancy frequency to |
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c buoyancy frequency at entrainment depth = 1.8 |
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c hbf = fraction of bounadry layer depth to |
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c which absorbed solar radiation |
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c contributes to surface buoyancy forcing = 1.0 |
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c Vtc = non-dimensional coefficient for velocity |
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c scale of turbulant velocity shear |
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c (=function of concv,concs,epsilon,vonk,Ricr) |
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c----------------------------------------------------------------------- |
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_RS Ricr,cekman,cmonob,concv,hbf,Vtc |
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common /kmixcbd/ Ricr,cekman,cmonob,concv,hbf,Vtc |
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c----------------------------------------------------------------------- |
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c parameters and common arrays for subroutines "kmixinit" |
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c and "wscale" |
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c |
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c |
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c to compute turbulent velocity scales: |
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c |
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c nni = number of values for zehat in the look up table |
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c nnj = number of values for ustar in the look up table |
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c |
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c wmt = lookup table for wm, the turbulent velocity scale |
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c for momentum |
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c wst = lookup table for ws, the turbulent velocity scale |
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c for scalars |
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c deltaz = delta zehat in table |
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c deltau = delta ustar in table |
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c zmin = minimum limit for zehat in table (m3/s3) |
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c zmax = maximum limit for zehat in table |
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c umin = minimum limit for ustar in table (m/s) |
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c umax = maximum limit for ustar in table |
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c----------------------------------------------------------------------- |
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integer nni , nnj |
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parameter (nni = 890, nnj = 480) |
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_RS wmt(0:nni+1,0:nnj+1), wst(0:nni+1,0:nnj+1) |
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_RS deltaz,deltau,zmin,zmax,umin,umax |
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common /kmixcws/ wmt, wst |
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$ , deltaz,deltau,zmin,zmax,umin,umax |
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c----------------------------------------------------------------------- |
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c parameters for subroutine "ri_iwmix" |
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c |
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c |
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c to compute vertical mixing coefficients below boundary layer: |
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c |
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c num_v_smooth_Ri = number of times Ri is vertically smoothed |
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c num_v_smooth_BV, num_z_smooth_sh, and num_m_smooth_sh are dummy |
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c variables kept for backward compatibility of the data file |
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c Riinfty = local Richardson Number limit for shear instability = 0.7 |
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c BVSQcon = Brunt-Vaisala squared (1/s^2) |
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c difm0 = viscosity max due to shear instability (m^2/s) |
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c difs0 = tracer diffusivity .. (m^2/s) |
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c dift0 = heat diffusivity .. (m^2/s) |
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c difmcon = viscosity due to convective instability (m^2/s) |
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c difscon = tracer diffusivity .. (m^2/s) |
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c diftcon = heat diffusivity .. (m^2/s) |
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c----------------------------------------------------------------------- |
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INTEGER num_v_smooth_Ri, num_v_smooth_BV |
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INTEGER num_z_smooth_sh, num_m_smooth_sh |
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_RS Riinfty, BVSQcon |
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_RS difm0 , difs0 , dift0 |
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_RS difmcon, difscon, diftcon |
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COMMON /kmixcri_i/ num_v_smooth_Ri, num_v_smooth_BV |
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1 , num_z_smooth_sh, num_m_smooth_sh |
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COMMON /kmixcri_r/ Riinfty, BVSQcon |
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1 , difm0, difs0, dift0 |
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2 , difmcon, difscon, diftcon |
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c----------------------------------------------------------------------- |
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c parameters for subroutine "ddmix" |
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c |
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c |
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c to compute additional diffusivity due to double diffusion: |
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c |
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c Rrho0 = limit for double diffusive density ratio |
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c dsfmax = maximum diffusivity in case of salt fingering (m2/s) |
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c----------------------------------------------------------------------- |
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_RS Rrho0, dsfmax |
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common /kmixcdd/ Rrho0, dsfmax |
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c----------------------------------------------------------------------- |
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c parameters for subroutine "blmix" |
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c |
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c |
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c to compute mixing within boundary layer: |
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c |
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c cstar = proportionality coefficient for nonlocal transport |
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c cg = non-dimensional coefficient for counter-gradient term |
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c----------------------------------------------------------------------- |
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_RS cstar, cg |
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common /kmixcbm/ cstar, cg |
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#endif /* ALLOW_KPP */ |
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