| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/kpp/KPP_PARAMS.h,v 1.9 2004/10/07 19:31:14 edhill Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
C /==========================================================\ |
| 5 |
C | KPP_PARAMS.h | |
| 6 |
C | o Basic parameter header for KPP vertical mixing | |
| 7 |
C | parameterization. These parameters are initialized by | |
| 8 |
C | and/or read in from data.kpp file. | |
| 9 |
C \==========================================================/ |
| 10 |
|
| 11 |
C Parameters used in kpp routine arguments (needed for compilation |
| 12 |
C of kpp routines even if ALLOW_KPP is not defined) |
| 13 |
C mdiff - number of diffusivities for local arrays |
| 14 |
C Nrm1, Nrp1, Nrp2 - number of vertical levels |
| 15 |
C imt - array dimension for local arrays |
| 16 |
C ibot, itop, jbot, jtop - array dimension indices |
| 17 |
|
| 18 |
integer mdiff, Nrm1, Nrp1, Nrp2 |
| 19 |
integer imt, ibot, itop, jbot, jtop |
| 20 |
parameter( mdiff = 3 ) |
| 21 |
parameter( Nrm1 = Nr-1 ) |
| 22 |
parameter( Nrp1 = Nr+1 ) |
| 23 |
parameter( Nrp2 = Nr+2 ) |
| 24 |
#ifdef FRUGAL_KPP |
| 25 |
parameter( imt=(sNx+2)*(sNy+2) ) |
| 26 |
parameter( ibot=0, itop=sNx+1, jbot=0, jtop=sNy+1 ) |
| 27 |
#else |
| 28 |
parameter( imt=(sNx+2*OLx)*(sNy+2*OLy) ) |
| 29 |
parameter( ibot=1-OLx, itop=sNx+OLx, jbot=1-OLy, jtop=sNy+OLy ) |
| 30 |
#endif |
| 31 |
|
| 32 |
#ifdef ALLOW_KPP |
| 33 |
|
| 34 |
C Time invariant parameters initialized by subroutine kmixinit |
| 35 |
C nzmax (nx,ny) - Maximum number of wet levels in each column |
| 36 |
C pMask - Mask relating to Pressure/Tracer point grid. |
| 37 |
C 0. if P point is on land. |
| 38 |
C 1. if P point is in water. |
| 39 |
C Note: use now maskC since pMask is identical to maskC |
| 40 |
C zgrid (0:Nr+1) - vertical levels of tracers (<=0) (m) |
| 41 |
C hwide (0:Nr+1) - layer thicknesses (>=0) (m) |
| 42 |
C kpp_freq - Re-computation frequency for KPP parameters (s) |
| 43 |
C kpp_dumpFreq - KPP dump frequency. (s) |
| 44 |
C kpp_taveFreq - KPP time-averaging frequency. (s) |
| 45 |
|
| 46 |
|
| 47 |
INTEGER nzmax ( 1-OLx:sNx+OLx, 1-OLy:sNy+OLy, nSx, nSy ) |
| 48 |
c _KPP_RL pMask ( 1-OLx:sNx+OLx, 1-OLy:sNy+OLy, Nr, nSx, nSy ) |
| 49 |
_KPP_RL zgrid ( 0:Nr+1 ) |
| 50 |
_KPP_RL hwide ( 0:Nr+1 ) |
| 51 |
_RL kpp_freq |
| 52 |
_RL kpp_dumpFreq |
| 53 |
_RL kpp_taveFreq |
| 54 |
|
| 55 |
COMMON /kpp_i/ nzmax |
| 56 |
|
| 57 |
COMMON /kpp_r1/ zgrid, hwide |
| 58 |
|
| 59 |
COMMON /kpp_r2/ kpp_freq, kpp_dumpFreq, kpp_taveFreq |
| 60 |
|
| 61 |
|
| 62 |
C----------------------------------------------------------------------- |
| 63 |
C |
| 64 |
C KPP flags and min/max permitted values for mixing parameters |
| 65 |
c |
| 66 |
C KPPmixingMaps - if true, include KPP diagnostic maps in STDOUT |
| 67 |
C KPPwriteState - if true, write KPP state to file |
| 68 |
C minKPPhbl - KPPhbl minimum value (m) |
| 69 |
C KPP_ghatUseTotalDiffus - |
| 70 |
C if T : Compute the non-local term using |
| 71 |
C the total vertical diffusivity ; |
| 72 |
C if F (=default): use KPP vertical diffusivity |
| 73 |
C Note: prior to checkpoint55h_post, was using the total Kz |
| 74 |
C |
| 75 |
C----------------------------------------------------------------------- |
| 76 |
|
| 77 |
LOGICAL KPPmixingMaps, KPPwriteState, KPP_ghatUseTotalDiffus |
| 78 |
|
| 79 |
COMMON /KPP_PARM_L/ |
| 80 |
& KPPmixingMaps, KPPwriteState, KPP_ghatUseTotalDiffus |
| 81 |
|
| 82 |
_KPP_RL minKPPhbl |
| 83 |
|
| 84 |
COMMON /KPP_PARM_R/ |
| 85 |
& minKPPhbl |
| 86 |
|
| 87 |
c====================== file "kmixcom.h" ======================= |
| 88 |
c |
| 89 |
c----------------------------------------------------------------------- |
| 90 |
c Define various parameters and common blocks for KPP vertical- |
| 91 |
c mixing scheme; used in "kppmix.F" subroutines. |
| 92 |
c Constants are set in subroutine "ini_parms". |
| 93 |
c----------------------------------------------------------------------- |
| 94 |
c |
| 95 |
c----------------------------------------------------------------------- |
| 96 |
c parameters for several subroutines |
| 97 |
c |
| 98 |
c epsln = 1.0e-20 |
| 99 |
c phepsi = 1.0e-10 |
| 100 |
c epsilon = nondimensional extent of the surface layer = 0.1 |
| 101 |
c vonk = von Karmans constant = 0.4 |
| 102 |
c dB_dz = maximum dB/dz in mixed layer hMix = 5.2e-5 s^-2 |
| 103 |
c conc1,conam,concm,conc2,zetam,conas,concs,conc3,zetas |
| 104 |
c = scalar coefficients |
| 105 |
c----------------------------------------------------------------------- |
| 106 |
|
| 107 |
_KPP_RL epsln,phepsi,epsilon,vonk,dB_dz, |
| 108 |
$ conc1, |
| 109 |
$ conam,concm,conc2,zetam, |
| 110 |
$ conas,concs,conc3,zetas |
| 111 |
|
| 112 |
common /kmixcom/ epsln,phepsi,epsilon,vonk,dB_dz, |
| 113 |
$ conc1, |
| 114 |
$ conam,concm,conc2,zetam, |
| 115 |
$ conas,concs,conc3,zetas |
| 116 |
|
| 117 |
c----------------------------------------------------------------------- |
| 118 |
c parameters for subroutine "bldepth" |
| 119 |
c |
| 120 |
c |
| 121 |
c to compute depth of boundary layer: |
| 122 |
c |
| 123 |
c Ricr = critical bulk Richardson Number = 0.3 |
| 124 |
c cekman = coefficient for ekman depth = 0.7 |
| 125 |
c cmonob = coefficient for Monin-Obukhov depth = 1.0 |
| 126 |
c concv = ratio of interior buoyancy frequency to |
| 127 |
c buoyancy frequency at entrainment depth = 1.8 |
| 128 |
c hbf = fraction of bounadry layer depth to |
| 129 |
c which absorbed solar radiation |
| 130 |
c contributes to surface buoyancy forcing = 1.0 |
| 131 |
c Vtc = non-dimensional coefficient for velocity |
| 132 |
c scale of turbulant velocity shear |
| 133 |
c (=function of concv,concs,epsilon,vonk,Ricr) |
| 134 |
c----------------------------------------------------------------------- |
| 135 |
|
| 136 |
_KPP_RL Ricr,cekman,cmonob,concv,Vtc |
| 137 |
_RL hbf |
| 138 |
|
| 139 |
common /kpp_bldepth1/ Ricr,cekman,cmonob,concv,Vtc |
| 140 |
common /kpp_bldepth2/ hbf |
| 141 |
|
| 142 |
c----------------------------------------------------------------------- |
| 143 |
c parameters and common arrays for subroutines "kmixinit" |
| 144 |
c and "wscale" |
| 145 |
c |
| 146 |
c |
| 147 |
c to compute turbulent velocity scales: |
| 148 |
c |
| 149 |
c nni = number of values for zehat in the look up table |
| 150 |
c nnj = number of values for ustar in the look up table |
| 151 |
c |
| 152 |
c wmt = lookup table for wm, the turbulent velocity scale |
| 153 |
c for momentum |
| 154 |
c wst = lookup table for ws, the turbulent velocity scale |
| 155 |
c for scalars |
| 156 |
c deltaz = delta zehat in table |
| 157 |
c deltau = delta ustar in table |
| 158 |
c zmin = minimum limit for zehat in table (m3/s3) |
| 159 |
c zmax = maximum limit for zehat in table |
| 160 |
c umin = minimum limit for ustar in table (m/s) |
| 161 |
c umax = maximum limit for ustar in table |
| 162 |
c----------------------------------------------------------------------- |
| 163 |
|
| 164 |
integer nni , nnj |
| 165 |
parameter (nni = 890, nnj = 480) |
| 166 |
|
| 167 |
_KPP_RL wmt(0:nni+1,0:nnj+1), wst(0:nni+1,0:nnj+1) |
| 168 |
_KPP_RL deltaz,deltau,zmin,zmax,umin,umax |
| 169 |
common /kmixcws/ wmt, wst |
| 170 |
$ , deltaz,deltau,zmin,zmax,umin,umax |
| 171 |
|
| 172 |
c----------------------------------------------------------------------- |
| 173 |
c parameters for subroutine "ri_iwmix" |
| 174 |
c |
| 175 |
c |
| 176 |
c to compute vertical mixing coefficients below boundary layer: |
| 177 |
c |
| 178 |
c num_v_smooth_Ri = number of times Ri is vertically smoothed |
| 179 |
c num_v_smooth_BV, num_z_smooth_sh, and num_m_smooth_sh are dummy |
| 180 |
c variables kept for backward compatibility of the data file |
| 181 |
c Riinfty = local Richardson Number limit for shear instability = 0.7 |
| 182 |
c BVSQcon = Brunt-Vaisala squared (1/s^2) |
| 183 |
c difm0 = viscosity max due to shear instability (m^2/s) |
| 184 |
c difs0 = tracer diffusivity .. (m^2/s) |
| 185 |
c dift0 = heat diffusivity .. (m^2/s) |
| 186 |
c difmcon = viscosity due to convective instability (m^2/s) |
| 187 |
c difscon = tracer diffusivity .. (m^2/s) |
| 188 |
c diftcon = heat diffusivity .. (m^2/s) |
| 189 |
c----------------------------------------------------------------------- |
| 190 |
|
| 191 |
INTEGER num_v_smooth_Ri, num_v_smooth_BV |
| 192 |
INTEGER num_z_smooth_sh, num_m_smooth_sh |
| 193 |
_KPP_RL Riinfty, BVSQcon |
| 194 |
_KPP_RL difm0 , difs0 , dift0 |
| 195 |
_KPP_RL difmcon, difscon, diftcon |
| 196 |
|
| 197 |
COMMON /kmixcri_i/ num_v_smooth_Ri, num_v_smooth_BV |
| 198 |
1 , num_z_smooth_sh, num_m_smooth_sh |
| 199 |
|
| 200 |
COMMON /kmixcri_r/ Riinfty, BVSQcon |
| 201 |
1 , difm0, difs0, dift0 |
| 202 |
2 , difmcon, difscon, diftcon |
| 203 |
|
| 204 |
c----------------------------------------------------------------------- |
| 205 |
c parameters for subroutine "ddmix" |
| 206 |
c |
| 207 |
c |
| 208 |
c to compute additional diffusivity due to double diffusion: |
| 209 |
c |
| 210 |
c Rrho0 = limit for double diffusive density ratio |
| 211 |
c dsfmax = maximum diffusivity in case of salt fingering (m2/s) |
| 212 |
c----------------------------------------------------------------------- |
| 213 |
|
| 214 |
_KPP_RL Rrho0, dsfmax |
| 215 |
common /kmixcdd/ Rrho0, dsfmax |
| 216 |
|
| 217 |
c----------------------------------------------------------------------- |
| 218 |
c parameters for subroutine "blmix" |
| 219 |
c |
| 220 |
c |
| 221 |
c to compute mixing within boundary layer: |
| 222 |
c |
| 223 |
c cstar = proportionality coefficient for nonlocal transport |
| 224 |
c cg = non-dimensional coefficient for counter-gradient term |
| 225 |
c----------------------------------------------------------------------- |
| 226 |
|
| 227 |
_KPP_RL cstar, cg |
| 228 |
|
| 229 |
common /kmixcbm/ cstar, cg |
| 230 |
|
| 231 |
#endif /* ALLOW_KPP */ |
| 232 |
|
| 233 |
|
| 234 |
CEH3 ;;; Local Variables: *** |
| 235 |
CEH3 ;;; mode:fortran *** |
| 236 |
CEH3 ;;; End: *** |
Parent Directory
| 
Revision Log
| 
Revision Graph