/[MITgcm]/MITgcm/model/inc/PARAMS.h

Diff of /MITgcm/model/inc/PARAMS.h

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-revision 1.226 by dfer,
Fri Nov 14 03:06:11 2008 UTC
+revision 1.227 by jmc,
Tue Jan 27 15:35:27 2009 UTC
 Line 501 
 C     rUnit2mass :: units conversion fac
  C                :: from vertical r-coordinate unit to mass per unit area [kg/m2].
  C                :: z-coord: = rhoConst  ( [m] * rho = [kg/m2] ) ;
  C                :: p-coord: = 1/gravity ( [Pa] /  g = [kg/m2] ) ;
- C     phiMin    :: Latitude of southern most cell face.
+ C     xgOrigin   :: Origin of the X-axis (Cartesian Grid) / Longitude of Western
- C     thetaMin  :: Longitude of western most cell face (this
+ C                :: most cell face (Lat-Lon grid) (Note: this is an "inert"
- C                 is an "inert" parameter but it is included
+ C                :: parameter but it makes geographical references simple.)
- C                 to make geographical references simple.)
+ C     ygOrigin   :: Origin of the Y-axis (Cartesian Grid) / Latitude of Southern
- C     rSphere   :: Radius of sphere for a spherical polar grid ( m ).
+ C                :: most face (Lat-Lon grid).
+ C     rSphere    :: Radius of sphere for a spherical polar grid ( m ).
  C     recip_rSphere  :: Reciprocal radius of sphere ( m ).
- C     f0        :: Reference coriolis parameter ( 1/s )
+ C     f0         :: Reference coriolis parameter ( 1/s )
- C                 ( Southern edge f for beta plane )
+ C                   ( Southern edge f for beta plane )
- C     beta      :: df/dy ( s^-1.m^-1 )
+ C     beta       :: df/dy ( s^-1.m^-1 )
- C     omega     :: Angular velocity ( rad/s )
+ C     omega      :: Angular velocity ( rad/s )
  C     rotationPeriod :: Rotation period (s) (= 2.pi/omega)
- C     viscAr    :: Eddy viscosity coeff. for mixing of
+ C     viscAr     :: Eddy viscosity coeff. for mixing of
- C                 momentum vertically ( units of r^2/s )
+ C                   momentum vertically ( units of r^2/s )
- C     viscAh    :: Eddy viscosity coeff. for mixing of
+ C     viscAh     :: Eddy viscosity coeff. for mixing of
- C                 momentum laterally ( m^2/s )
+ C                   momentum laterally ( m^2/s )
- C     viscAhW   :: Eddy viscosity coeff. for mixing of vertical
+ C     viscAhW    :: Eddy viscosity coeff. for mixing of vertical
- C                 momentum laterally, no effect for hydrostatic
+ C                   momentum laterally, no effect for hydrostatic
- C                 model, defaults to viscAh if unset ( m^2/s )
+ C                   model, defaults to viscAh if unset ( m^2/s )
- C                 Not used if variable horiz. viscosity is used.
+ C                   Not used if variable horiz. viscosity is used.
- C     viscA4    :: Biharmonic viscosity coeff. for mixing of
+ C     viscA4     :: Biharmonic viscosity coeff. for mixing of
- C                 momentum laterally ( m^4/s )
+ C                   momentum laterally ( m^4/s )
- C     viscA4W   :: Biharmonic viscosity coeff. for mixing of vertical
+ C     viscA4W    :: Biharmonic viscosity coeff. for mixing of vertical
- C                 momentum laterally, no effect for hydrostatic
+ C                   momentum laterally, no effect for hydrostatic
- C                 model, defaults to viscA4 if unset ( m^2/s )
+ C                   model, defaults to viscA4 if unset ( m^2/s )
- C                 Not used if variable horiz. viscosity is used.
+ C                   Not used if variable horiz. viscosity is used.
- C     viscAhD   :: Eddy viscosity coeff. for mixing of momentum laterally
+ C     viscAhD    :: Eddy viscosity coeff. for mixing of momentum laterally
- C                  (act on Divergence part) ( m^2/s )
+ C                   (act on Divergence part) ( m^2/s )
- C     viscAhZ   :: Eddy viscosity coeff. for mixing of momentum laterally
+ C     viscAhZ    :: Eddy viscosity coeff. for mixing of momentum laterally
- C                  (act on Vorticity  part) ( m^2/s )
+ C                   (act on Vorticity  part) ( m^2/s )
- C     viscA4D   :: Biharmonic viscosity coeff. for mixing of momentum laterally
+ C     viscA4D    :: Biharmonic viscosity coeff. for mixing of momentum laterally
- C                  (act on Divergence part) ( m^4/s )
+ C                   (act on Divergence part) ( m^4/s )
- C     viscA4Z   :: Biharmonic viscosity coeff. for mixing of momentum laterally
+ C     viscA4Z    :: Biharmonic viscosity coeff. for mixing of momentum laterally
- C                  (act on Vorticity  part) ( m^4/s )
+ C                   (act on Vorticity  part) ( m^4/s )
  C     viscC2leith  :: Leith non-dimensional viscosity factor (grad(vort))
  C     viscC2leithD :: Modified Leith non-dimensional visc. factor (grad(div))
  C     viscC4leith  :: Leith non-dimensional viscosity factor (grad(vort))
-Line 666 
 C     psiEuler      :: Euler angle, rota
+Line 667 
 C     psiEuler      :: Euler angle, rota
       & delR, delRc, delX, delY,
       & deltaT, deltaTmom, dTtracerLev, deltaTfreesurf, deltaTClock,
       & abEps, alph_AB, beta_AB,
-      & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
+      & xgOrigin, ygOrigin, rSphere, recip_RSphere, f0, beta,
       & viscAh, viscAhW, viscAhMax,
       & viscAhGrid, viscAhGridMax, viscAhGridMin,
       & viscC2leith, viscC2leithD,
-Line 717 
 C     psiEuler      :: Euler angle, rota
+Line 718 
 C     psiEuler      :: Euler angle, rota
        _RL dTtracerLev(Nr)
        _RL deltaTfreesurf
        _RL abEps, alph_AB, beta_AB
-       _RL phiMin
+       _RL xgOrigin
-       _RL thetaMin
+       _RL ygOrigin
        _RL rSphere
        _RL recip_rSphere
        _RL f0

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