/[MITgcm]/manual/s_phys_pkgs/text/seaice.tex

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-revision 1.9 by mlosch,
Thu May 14 15:35:17 2009 UTC
+revision 1.14 by mlosch,
Mon Feb 28 16:05:07 2011 UTC
 Line 16 
 Patrick Heimbach, Chris Hill and Jinlun
  %----------------------------------------------------------------------
  \subsubsection{Introduction
- \label{sec:pkg:exf:intro}}
+ \label{sec:pkg:seaice:intro}}
  Package ``seaice'' provides a dynamic and thermodynamic interactive
 Line 31 
 A description of key subroutines is give
  \ref{sec:pkg:seaice:subroutines}.
  Input fields, units and sign conventions are summarized in
  Section \ref{sec:pkg:seaice:fields_units}, and available diagnostics
- output is listed in Section \ref{sec:pkg:seaice:fields_diagnostics}.
+ output is listed in Section \ref{sec:pkg:seaice:diagnostics}.
  %----------------------------------------------------------------------
 Line 58 
 SEAICE requires the external forcing pac
  no additional CPP options are required.
  %
  \end{itemize}
- (see Section \ref{sect:buildingCode}).
+ (see Section \ref{sec:buildingCode}).
  Parts of the SEAICE code can be enabled or disabled at compile time
  via CPP preprocessor flags. These options are set in either
  \code{SEAICE\_OPTIONS.h} or in \code{ECCO\_CPPOPTIONS.h}.
  Table \ref{tab:pkg:seaice:cpp} summarizes these options.
- \begin{table}[h!]
+ \begin{table}[!ht]
  \centering
    \label{tab:pkg:seaice:cpp}
    {\footnotesize
 Line 127 
 A package is switched on/off at run-time
  ~ \\
  %
  Table~\ref{tab:pkg:seaice:runtimeparms} lists most run-time parameters.
- \input{part6/seaice-parms.tex}
+ \input{s_phys_pkgs/text/seaice-parms.tex}
+ \paragraph{Input fields and units\label{sec:pkg:seaice:fields_units}}
+ \begin{description}
+ \item[\code{HeffFile}:] Initial sea ice thickness averaged over grid cell
+   in meters; initializes variable \code{HEFF};
+ \item[\code{AreaFile}:] Initial fractional sea ice cover, range $[0,1]$;
+   initializes variable \code{AREA};
+ \item[\code{HsnowFile}:] Initial snow thickness on sea ice averaged
+   over grid cell in meters; initializes variable \code{HSNOW};
+ \item[\code{HsaltFile}:] Initial salinity of sea ice averaged over grid
+   cell in g/m$^2$; initializes variable \code{HSALT};
+ \item[\code{IceAgeFile}:] Initial ice age of sea ice averaged over grid
+   cell in seconds; initializes variable \code{ICEAGE};
+ \end{description}
  %----------------------------------------------------------------------
  \subsubsection{Description
-Line 519 
 widths. For the $u$-equation ($\alpha=1$
+Line 531 
 widths. For the $u$-equation ($\alpha=1$
    \phantom{=}& \phantom{\frac{1}{A_{i,j}^w} \biggl\{}
    + (\Delta{x}_1\sigma_{21})_{i,j+1}^Z - (\Delta{x}_1\sigma_{21})_{i,j}^Z
    \biggr\}
-   \intertext{with}
+ \end{align}
+ with
+ \begin{align}
    (\Delta{x}_2\sigma_{11})_{i,j}^C =& \phantom{+}
    \Delta{y}_{i,j}^{F}(\zeta + \eta)^{C}_{i,j}
    \frac{u_{i+1,j}-u_{i,j}}{\Delta{x}_{i,j}^{F}} \\ \notag
-Line 561 
 Similarly, we have for the $v$-equation
+Line 575 
 Similarly, we have for the $v$-equation
    \phantom{=}& \phantom{\frac{1}{A_{i,j}^s} \biggl\{}
    + (\Delta{x}_1\sigma_{22})_{i,j}^C - (\Delta{x}_1\sigma_{22})_{i,j-1}^C
    \biggr\}
-   \intertext{with}
+ \end{align}
+ with
+ \begin{align}
    (\Delta{x}_1\sigma_{12})_{i,j}^Z =& \phantom{+}
    \Delta{y}_{i,j}^{U}\overline{\eta}^{Z}_{i,j}
    \frac{u_{i,j}-u_{i,j-1}}{\Delta{y}_{i,j}^{U}}
-Line 658 
 where $\Gamma_X$ are the thermodynamic s
+Line 674 
 where $\Gamma_X$ are the thermodynamic s
  diffusive terms for quantities $X=(c\cdot{h}), c, (c\cdot{h}_{s})$.
  %
  From the various advection scheme that are available in the MITgcm, we
- choose flux-limited schemes \citep[multidimensional 2nd and 3rd-order
+ recommend flux-limited schemes \citep[multidimensional 2nd and
- advection scheme with flux limiter][]{roe:85, hundsdorfer94} to
+rd-order advection scheme with flux limiter][]{roe:85, hundsdorfer94}
- preserve sharp gradients and edges that are typical of sea ice
+ to preserve sharp gradients and edges that are typical of sea ice
  distributions and to rule out unphysical over- and undershoots
- (negative thickness or concentration). These scheme conserve volume
+ (negative thickness or concentration). These schemes conserve volume
  and horizontal area and are unconditionally stable, so that we can set
- $D_{X}=0$. Run-timeflags: \code{SEAICEadvScheme} (default=2),
+ $D_{X}=0$. Run-timeflags: \code{SEAICEadvScheme} (default=2, is the
- \code{DIFF1} (default=0.004).
+ historic 2nd-order, centered difference scheme), \code{DIFF1}
+ (default=0.004).
  There is considerable doubt about the reliability of a ``zero-layer''
  thermodynamic model --- \citet{semtner84} found significant errors in
-Line 757 
 Diagnostics output is available via the
+Line 774 
 Diagnostics output is available via the
  Available output fields are summarized in
  Table \ref{tab:pkg:seaice:diagnostics}.
- \begin{table}[h!]
+ \begin{table}[!ht]
  \centering
  \label{tab:pkg:seaice:diagnostics}
  {\footnotesize
-Line 822 
 Table \ref{tab:pkg:seaice:diagnostics}.
+Line 839 
 Table \ref{tab:pkg:seaice:diagnostics}.
  %%% Local Variables:
  %%% mode: latex
- %%% TeX-master: "../manual"
+ %%% TeX-master: "../../manual"
  %%% End:

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