/[MITgcm]/MITgcm/model/inc/SURFACE.h
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Annotation of /MITgcm/model/inc/SURFACE.h

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Revision 1.14 - (hide annotations) (download)
Tue Jan 2 20:52:07 2007 UTC (17 years, 3 months ago) by dfer
Branch: MAIN
CVS Tags: checkpoint59, checkpoint58y_post, checkpoint60, checkpoint61, checkpoint58w_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint58v_post, checkpoint58x_post, checkpoint59j, checkpoint58u_post, checkpoint61b, checkpoint61a
Changes since 1.13: +10 -1 lines
File MIME type: text/plain
initial check in: correction of tracer source/sink due to Linear
Free surface

1 dfer 1.14 C $Header: /u/gcmpack/MITgcm/model/inc/SURFACE.h,v 1.13 2005/12/08 15:44:33 heimbach Exp $
2 jmc 1.6 C $Name: $
3 jmc 1.1 C
4 cnh 1.4 CBOP
5     C !ROUTINE: SURFACE.h
6     C !INTERFACE:
7     C include SURFACE.h
8     C !DESCRIPTION: \bv
9     C *==========================================================*
10     C | SURFACE.h
11     C | o Header file defining surface-related model varaibles
12     C *==========================================================*
13     C | Contains variables relative to the surface position
14     C | that are held fixed in linear free-surface formulation
15     C | but can vary with time with a non-linear free-surface.
16     C *==========================================================*
17     C \ev
18     CEOP
19 jmc 1.1
20 jmc 1.7 C-- COMMON /SURF_FIXED/ fixed surface arrays (Real)
21     C Bo_surf :: Boyancy|1/rho [ocean|atmos] at surface level [=g|alpha(p_o)]
22     C recip_Bo :: 1/Bo_surf
23     C topoZ :: topographic height [m] (used mainly for atmosphere)
24 adcroft 1.10 C phi0surf :: starting point for integrating phi_Hyd
25 jmc 1.8 COMMON /SURF_FIXED/ Bo_surf, recip_Bo, topoZ, phi0surf
26 jmc 1.7 _RL Bo_surf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
27 jmc 1.1 _RL recip_Bo(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
28 jmc 1.7 _RS topoZ (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
29 jmc 1.8 _RS phi0surf(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
30 jmc 1.1
31 adcroft 1.2 C-- COMMON /SURF_INDEX/ Common block for surface related index
32 cnh 1.4 C ksurfC :: vertical index of the surface tracer cell
33     C ksurfW :: vertical index of the surface U point
34     C ksurfS :: vertical index of the surface V point
35 jmc 1.3 C IMPORTANT: ksurfC,W,S = Nr+1 where the fluid column is empty (continent)
36     COMMON /SURF_INDEX/ ksurfC, ksurfW, ksurfS
37     INTEGER ksurfC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
38     INTEGER ksurfW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
39     INTEGER ksurfS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
40 heimbach 1.5
41 dfer 1.14 C-- COMMON /SURF_CORREC/ Common block for correction of source/sink of
42     C-- Tracer due to W at the surface with Linear
43     C-- Free Surface
44     C TsurfCor :: Pot.Temp Linear-Free-Surface correction term [K.r_Unit/s]
45     C SsurfCor :: Salinity Linear-Free-Surface correction term [psu.r_Unit/s]
46     COMMON /SURF_CORREC/ TsurfCor, SsurfCor
47     _RL TsurfCor
48     _RL SsurfCor
49    
50 heimbach 1.5 #ifdef EXACT_CONSERV
51 jmc 1.12 C etaHnm1 :: surface r-anomaly, etaH, at previous time level
52 jmc 1.11 C dEtaHdt :: time derivative of total column height [r_unit/s = w unit]
53     C PmEpR :: keep the fresh water input (=-EmPmR) of the previous time step
54 jmc 1.12 COMMON /EXACT_ETA_LOCAL/ etaHnm1, dEtaHdt, PmEpR
55     _RL etaHnm1(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy)
56 jmc 1.11 _RL dEtaHdt(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy)
57     _RS PmEpR (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
58 heimbach 1.5 #endif
59 jmc 1.3
60     #ifdef NONLIN_FRSURF
61 jmc 1.9 C-- COMMON /SURF_CHANGE/ transient variables used for Non-Lin Free-Surf
62 cnh 1.4 C hFac_surfC :: New thickness factor of the surface level
63 jmc 1.3 C center (Tracer point)
64 cnh 1.4 C hFac_surfW :: idem, West interface (U point)
65     C hFac_surfS :: idem, South interface (V point)
66 jmc 1.3 COMMON /SURF_CHANGE/
67 jmc 1.11 & hFac_surfC, hFac_surfW, hFac_surfS
68 jmc 1.3 _RS hFac_surfC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
69     _RS hFac_surfW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
70     _RS hFac_surfS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
71 jmc 1.9
72 heimbach 1.13 C Local variables in common block
73     C Rmin_surf :: minimum r_value of the free surface position
74     C that satisfy the hFacInf criteria
75     COMMON /LOCAL_CALC_SURF_DR/ Rmin_surf
76     _RL Rmin_surf(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
77    
78 jmc 1.9 C-- COMMON /RSTAR_CHANGE/ transient variables used with r* Coordinate
79     C rStarFacC :: = dr/dr* = ratio of r-thickness / r*-thickness = h^n / H
80     C rStarFacW :: same but for West face
81     C rStarFacS :: same but for South face
82     C rStarExpC :: column expansion factor = h^n+1/h^n , Centered
83     C rStarExpW :: column expansion factor = h^n+1/h^n , Western face
84     C rStarExpS :: column expansion factor = h^n+1/h^n , Southern face
85     C rStarDhCDt:: relative time derivative of h_Center = d.eta/dt / H
86     C rStarDhWDt:: relative time derivative of h_West_face (u.point)
87     C rStarDhSDt:: relative time derivative of h_South_face (v.point)
88     COMMON /RSTAR_CHANGE/
89     & rStarFacC, rStarFacW, rStarFacS,
90     & rStarExpC, rStarExpW, rStarExpS,
91     & rStarDhCDt,rStarDhWDt,rStarDhSDt
92     _RL rStarFacC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
93     _RL rStarFacW (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
94     _RL rStarFacS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
95     _RL rStarExpC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
96     _RL rStarExpW (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
97     _RL rStarExpS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
98     _RL rStarDhCDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
99     _RL rStarDhWDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
100     _RL rStarDhSDt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
101    
102     C-- COMMON /RSTAR_FIXED/ fixed thickness ratio ( r* discretization )
103     C h0FacC :: initial (and fixed in time) hFacC factor
104     C h0FacW :: initial (and fixed in time) hFacW factor
105     C h0FacS :: initial (and fixed in time) hFacS factor
106     COMMON /RSTAR_FIXED/
107     & h0FacC, h0FacW, h0FacS
108     _RS h0FacC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
109     _RS h0FacW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
110     _RS h0FacS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
111 jmc 1.6
112 jmc 1.3 #endif /* NONLIN_FRSURF */

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