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kpp_init_fixed.F
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kpp_init_fixed.F
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C $Header: /u/gcmpack/MITgcm/pkg/kpp/kpp_init_fixed.F,v 1.4 2010/04/03 22:28:45 jmc Exp $
C $Name: $
#include "KPP_OPTIONS.h"
CBOP
C !ROUTINE: KPP_INIT_FIXED
C !INTERFACE:
SUBROUTINE KPP_INIT_FIXED( myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | SUBROUTINE KPP_INIT_FIXED
C | o Routine to initialize GM/Redi variables
C | that are kept fixed during the run.
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C === Global variables ===
#include "EEPARAMS.h"
#include "SIZE.h"
#include "PARAMS.h"
#include "GRID.h"
#include "KPP_PARAMS.h"
C !INPUT/OUTPUT PARAMETERS:
C === Routine arguments ===
C myThid :: my Thread Id number
INTEGER myThid
CEOP
C !LOCAL VARIABLES:
C === Local variables ===
C i,j,k,bi,bj - Loop counters
C zehat - zeta * ustar**3
C zeta - Stability parameter d/l
INTEGER i, j, k
_RL zehat
_RL zeta
_RL usta
_RL p25, p33
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C-- Note: this should go in a separated S/R: KPP_MNC_INIT
#ifdef ALLOW_MNC
IF (useMNC) THEN
C Define grid types for KPP variables
CALL MNC_CW_ADD_VNAME('KPPviscAz', 'Cen_xy_Hn__C__t',
& 4,5, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPviscAz','units','m^2/s',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPviscAz','long_name',
& 'KPP_vertical_eddy_viscosity_coefficient', myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPviscAz',
& 'coordinates','XC YC RC iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPdiffKzS', 'Cen_xy_Hn__C__t',
& 4,5, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzS','units','m^2/s',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzS','long_name',
& 'KPP_salt-tracer_vertical_diffusion_coefficient',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzS',
& 'coordinates','XC YC RC iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPdiffKzT', 'Cen_xy_Hn__C__t',
& 4,5, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzT','units','m^2/s',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzT','long_name',
& 'KPP_vertical_heat_diffusion_coefficient', myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPdiffKzT',
& 'coordinates','XC YC RC iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPGHAT', 'Cen_xy_Hn__C__t',
& 4,5, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPGHAT','units','s/m^2',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPGHAT','long_name',
& 'KPP_nonlocal_transport_coefficient', myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPGHAT',
& 'coordinates','XC YC RC iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPghatKS', 'Cen_xy_Hn__L__t',
& 4,5, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPghatKS','units','0-1',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPghatKS','long_name',
& 'ratio of KPP non-local (salt) flux relative to surface-flux',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPghatKS','coordinates',
& 'XC YC RF iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPHBL', 'Cen_xy_Hn__-__t',
& 3,4, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPHBL','units','m',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPHBL','long_name',
& 'KPP_boundary_layer_depth', myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPHBL',
& 'coordinates','XC YC iter', myThid)
CALL MNC_CW_ADD_VNAME('KPPFRAC', 'Cen_xy_Hn__-__t',
& 3,4, myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPFRAC','units','dimless',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPFRAC','long_name',
& 'KPP_short-wave_fraction_penetrating_mixing_layer',
& myThid)
CALL MNC_CW_ADD_VATTR_TEXT('KPPFRAC',
& 'coordinates','XC YC iter', myThid)
ENDIF
#endif /* ALLOW_MNC */
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
_BEGIN_MASTER(myThid)
p25 = 0.25 _d 0
p33 = 1. _d 0 / 3. _d 0
C-----------------------------------------------------------------------
C Initialize constants that depend on parameters in data.kpp
C-----------------------------------------------------------------------
Vtc = concv * SQRT(0.2 _d 0 /concs/epsilon) / vonk**2 / Ricr
cg = cstar * vonk * (concs * vonk * epsilon)**p33
c-----------------------------------------------------------------------
c construct the wm and ws lookup tables
c-----------------------------------------------------------------------
deltaz = (zmax - zmin)/(nni + 1)
deltau = (umax - umin)/(nnj + 1)
DO i = 0, nni + 1
zehat = deltaz*i + zmin
DO j = 0, nnj + 1
usta = deltau*j + umin
zeta = zehat / max(phepsi,usta**3)
IF (zehat .GE. 0.) THEN
wmt(i,j) = vonk*usta/(1. + conc1*zeta)
wst(i,j) = wmt(i,j)
ELSE
IF (zeta .GT. zetam) THEN
wmt(i,j) = vonk*usta*(1. - conc2*zeta)**p25
ELSE
wmt(i,j) = vonk*(conam*usta**3 - concm*zehat)**p33
ENDIF
IF (zeta .GT. zetas) THEN
wst(i,j) = vonk*usta*SQRT(1. _d 0 - conc3*zeta)
ELSE
wst(i,j) = vonk*(conas*usta**3 - concs*zehat)**p33
ENDIF
ENDIF
ENDDO
ENDDO
C-----------------------------------------------------------------------
C vertical grid
C-----------------------------------------------------------------------
IF (minKPPhbl .EQ. UNSET_RL) THEN
minKPPhbl = -rC(1)
ENDIF
zgrid(0) = phepsi
hwide(0) = phepsi
c zgrid(1) = -drF(1)*0.5
c hwide(1) = drF(1)
c DO k = 2, Nr
c zgrid(k) = zgrid(k-1) - (drF(k-1)+drF(k))*0.5
c hwide(k) = drF(k)
c ENDDO
C- jmc : use the model vertical grid :
DO k = 1, Nr
zgrid(k) = rC(k)
hwide(k) = drF(k)
ENDDO
zgrid(Nrp1) = zgrid(Nr) * 100.
hwide(Nrp1) = phepsi
_END_MASTER(myThid)
_BARRIER
#ifdef ALLOW_DIAGNOSTICS
IF ( useDiagnostics ) THEN
CALL KPP_DIAGNOSTICS_INIT( myThid )
ENDIF
#endif
RETURN
END