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