/[MITgcm]/MITgcm/pkg/land/LAND_VARS.h
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Contents of /MITgcm/pkg/land/LAND_VARS.h

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Revision 1.2 - (show annotations) (download)
Thu Mar 11 14:42:00 2004 UTC (20 years, 3 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint52n_post, checkpoint53d_post, checkpoint53c_post, checkpoint52l_post, checkpoint53b_pre, checkpoint52m_post, checkpoint53a_post, checkpoint53b_post, checkpoint53, checkpoint53d_pre
Changes since 1.1: +21 -7 lines
File MIME type: text/plain 
new land formulation:
a) use ground enthalpy as prognostic variable to ensure exact
   energy conservation.
b) account for water temperature and for latent heat of freezing
   in all processes (rain, run-off, ground storage)
c) compute surface and ground temperature implicitly.
1 C $Header: /u/gcmpack/MITgcm/pkg/land/LAND_VARS.h,v 1.1 2003/06/12 17:54:22 jmc Exp $
2 C $Name: $
3
4 #ifdef ALLOW_LAND
5
6 C *==========================================================*
7 C | LAND_VARS.h
8 C | o Land model variables:
9 C | - prognostic variables
10 C | - forcing fields
11 C | - diagnostic variables
12 C *==========================================================*
13
14
15 C--- COMMON /LAND_VARS_R/
16 C land_groundT :: ground Temperature (oC) of each layer
17 C land_enthalp :: enthalpy of each layer (J/m3) = Cp.T
18 C land_groundW :: soil moisture [0-1] (= water content / field capacity)
19 C land_skinT :: surface skin Temperature (oC)
20 C land_hSnow :: thickness of snow over land (m)
21 C land_snowAge :: snow age (s)
22 C land_runOff :: run-Off per surface unit [m/s]
23 C land_enRnOf :: energy flux associated with run-Off [W/m2]
24 C
25 COMMON /LAND_VARS_R/
26 & land_groundT, land_enthalp, land_groundW,
27 & land_skinT, land_hSnow, land_snowAge,
28 & land_runOff, land_enRnOf
29
30 _RL land_groundT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,land_nLev,nSx,nSy)
31 _RL land_enthalp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,land_nLev,nSx,nSy)
32 _RL land_groundW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,land_nLev,nSx,nSy)
33 _RL land_skinT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
34 _RL land_hSnow (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
35 _RL land_snowAge(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
36 _RL land_runOff (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
37 _RL land_enRnOf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
38
39 C--- COMMON /LAND_FORCFIELDS/
40 C land_HeatFLx :: net surface downward Heat flux [W/m2]
41 C land_Pr_m_Ev :: Precipitation minus Evaporation [kg/m2/s]
42 C land_EnWFlux :: Energy flux associated with Precip [W/m2] (snow, T_rain)
43 COMMON /LAND_FORCFIELDS/
44 & land_HeatFLx, land_Pr_m_Ev, land_EnWFlux
45
46 _RL land_HeatFLx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
47 _RL land_Pr_m_Ev(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
48 _RL land_EnWFlux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
49
50 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
51
52 #endif /* ALLOW_LAND */
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