/[MITgcm]/manual/s_phys_pkgs/text/land.tex
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revision 1.3 by molod, Mon Jul 18 20:45:27 2005 UTC revision 1.4 by molod, Wed Apr 5 23:42:27 2006 UTC
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4  <!-- CMIREDIR:package_land: -->  <!-- CMIREDIR:package_land: -->
5  \end{rawhtml}  \end{rawhtml}
6    
7    \subsubsection{Introduction}
8  This package provides a simple land model  This package provides a simple land model
9  based on Rong Zhang [e-mail:roz@gfdl.noaa.gov] 2 layers model  based on Rong Zhang [e-mail:roz@gfdl.noaa.gov] 2 layers model
10  (see documentation below).  (see documentation below).
# Line 30  author: Rong Zhang\\ Line 31  author: Rong Zhang\\
31    
32  % \baselineskip19pt  % \baselineskip19pt
33    
34    \subsubsection{Equations and Key Parameters}
35  This is a simple 2-layer land model. The top layer depth $z1=0.1m$, the  This is a simple 2-layer land model. The top layer depth $z1=0.1m$, the
36  second layer depth $z2=4m$.  second layer depth $z2=4m$.
37    
# Line 92  that is put into second layer. Line 94  that is put into second layer.
94    
95  The time step is 1 hour, it takes several years to reach equalibrium offline.  The time step is 1 hour, it takes several years to reach equalibrium offline.
96    
97  \begin{center}  \subsubsection{Land diagnostics}
98  \bigskip  \label{sec:pkg:land:diagnostics}
99  \end{center}  
100    \begin{verbatim}
101    
102    ------------------------------------------------------------------------
103    <-Name->|Levs|<-parsing code->|<--  Units   -->|<- Tile (max=80c)
104    ------------------------------------------------------------------------
105    GrdSurfT|  1 |SM      Lg      |degC            |Surface Temperature over land
106    GrdTemp |  2 |SM      MG      |degC            |Ground Temperature at each level
107    GrdEnth |  2 |SM      MG      |J/m3            |Ground Enthalpy at each level
108    GrdWater|  2 |SM P    MG      |0-1             |Ground Water (vs Field Capacity) Fraction at each level
109    LdSnowH |  1 |SM P    Lg      |m               |Snow Thickness over land
110    LdSnwAge|  1 |SM P    Lg      |s               |Snow Age over land
111    RUNOFF  |  1 |SM      L1      |m/s             |Run-Off per surface unit
112    EnRunOff|  1 |SM      L1      |W/m^2           |Energy flux associated with run-Off
113    landHFlx|  1 |SM      Lg      |W/m^2           |net surface downward Heat flux over land
114    landPmE |  1 |SM      Lg      |kg/m^2/s        |Precipitation minus Evaporation over land
115    ldEnFxPr|  1 |SM      Lg      |W/m^2           |Energy flux (over land) associated with Precip (snow,rain)
116    \end{verbatim}
117    
118  \textbf{References}  \subsubsection{References}
119    
120  Hansen J. et al. Efficient three-dimensional global models for climate  Hansen J. et al. Efficient three-dimensional global models for climate
121  studies: models I and II. \emph{Monthly Weather Review}, vol.111, no.4, pp.  studies: models I and II. \emph{Monthly Weather Review}, vol.111, no.4, pp.
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