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heimbach |
1.13 |
C $Header: /u/gcmpack/MITgcm/model/inc/SURFACE.h,v 1.12 2004/07/06 00:51:35 jmc Exp $ |
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jmc |
1.6 |
C $Name: $ |
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jmc |
1.1 |
C |
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cnh |
1.4 |
CBOP |
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C !ROUTINE: SURFACE.h |
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C !INTERFACE: |
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C include SURFACE.h |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SURFACE.h |
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C | o Header file defining surface-related model varaibles |
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C *==========================================================* |
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C | Contains variables relative to the surface position |
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C | that are held fixed in linear free-surface formulation |
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C | but can vary with time with a non-linear free-surface. |
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C *==========================================================* |
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C \ev |
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CEOP |
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jmc |
1.1 |
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jmc |
1.7 |
C-- COMMON /SURF_FIXED/ fixed surface arrays (Real) |
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C Bo_surf :: Boyancy|1/rho [ocean|atmos] at surface level [=g|alpha(p_o)] |
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C recip_Bo :: 1/Bo_surf |
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C topoZ :: topographic height [m] (used mainly for atmosphere) |
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adcroft |
1.10 |
C phi0surf :: starting point for integrating phi_Hyd |
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jmc |
1.8 |
COMMON /SURF_FIXED/ Bo_surf, recip_Bo, topoZ, phi0surf |
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jmc |
1.7 |
_RL Bo_surf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.1 |
_RL recip_Bo(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.7 |
_RS topoZ (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.8 |
_RS phi0surf(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.1 |
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adcroft |
1.2 |
C-- COMMON /SURF_INDEX/ Common block for surface related index |
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cnh |
1.4 |
C ksurfC :: vertical index of the surface tracer cell |
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C ksurfW :: vertical index of the surface U point |
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C ksurfS :: vertical index of the surface V point |
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jmc |
1.3 |
C IMPORTANT: ksurfC,W,S = Nr+1 where the fluid column is empty (continent) |
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COMMON /SURF_INDEX/ ksurfC, ksurfW, ksurfS |
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INTEGER ksurfC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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INTEGER ksurfW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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INTEGER ksurfS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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heimbach |
1.5 |
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#ifdef EXACT_CONSERV |
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jmc |
1.12 |
C etaHnm1 :: surface r-anomaly, etaH, at previous time level |
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jmc |
1.11 |
C dEtaHdt :: time derivative of total column height [r_unit/s = w unit] |
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C PmEpR :: keep the fresh water input (=-EmPmR) of the previous time step |
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jmc |
1.12 |
COMMON /EXACT_ETA_LOCAL/ etaHnm1, dEtaHdt, PmEpR |
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_RL etaHnm1(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
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jmc |
1.11 |
_RL dEtaHdt(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
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_RS PmEpR (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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heimbach |
1.5 |
#endif |
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jmc |
1.3 |
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#ifdef NONLIN_FRSURF |
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jmc |
1.9 |
C-- COMMON /SURF_CHANGE/ transient variables used for Non-Lin Free-Surf |
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cnh |
1.4 |
C hFac_surfC :: New thickness factor of the surface level |
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jmc |
1.3 |
C center (Tracer point) |
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cnh |
1.4 |
C hFac_surfW :: idem, West interface (U point) |
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C hFac_surfS :: idem, South interface (V point) |
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jmc |
1.3 |
COMMON /SURF_CHANGE/ |
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jmc |
1.11 |
& hFac_surfC, hFac_surfW, hFac_surfS |
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jmc |
1.3 |
_RS hFac_surfC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS hFac_surfW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS hFac_surfS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.9 |
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heimbach |
1.13 |
C Local variables in common block |
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C Rmin_surf :: minimum r_value of the free surface position |
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C that satisfy the hFacInf criteria |
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COMMON /LOCAL_CALC_SURF_DR/ Rmin_surf |
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_RL Rmin_surf(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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jmc |
1.9 |
C-- COMMON /RSTAR_CHANGE/ transient variables used with r* Coordinate |
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C rStarFacC :: = dr/dr* = ratio of r-thickness / r*-thickness = h^n / H |
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C rStarFacW :: same but for West face |
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C rStarFacS :: same but for South face |
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C rStarExpC :: column expansion factor = h^n+1/h^n , Centered |
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C rStarExpW :: column expansion factor = h^n+1/h^n , Western face |
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C rStarExpS :: column expansion factor = h^n+1/h^n , Southern face |
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C rStarDhCDt:: relative time derivative of h_Center = d.eta/dt / H |
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C rStarDhWDt:: relative time derivative of h_West_face (u.point) |
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C rStarDhSDt:: relative time derivative of h_South_face (v.point) |
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COMMON /RSTAR_CHANGE/ |
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& rStarFacC, rStarFacW, rStarFacS, |
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& rStarExpC, rStarExpW, rStarExpS, |
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& rStarDhCDt,rStarDhWDt,rStarDhSDt |
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_RL rStarFacC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarFacW (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarFacS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarExpC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarExpW (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarExpS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarDhCDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarDhWDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL rStarDhSDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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C-- COMMON /RSTAR_FIXED/ fixed thickness ratio ( r* discretization ) |
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C h0FacC :: initial (and fixed in time) hFacC factor |
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C h0FacW :: initial (and fixed in time) hFacW factor |
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C h0FacS :: initial (and fixed in time) hFacS factor |
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COMMON /RSTAR_FIXED/ |
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& h0FacC, h0FacW, h0FacS |
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_RS h0FacC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RS h0FacW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RS h0FacS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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jmc |
1.6 |
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jmc |
1.3 |
#endif /* NONLIN_FRSURF */ |
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