--- manual/s_phys_pkgs/text/seaice.tex	2010/08/30 23:09:21	1.12
+++ manual/s_phys_pkgs/text/seaice.tex	2011/02/28 16:05:07	1.14
@@ -1,4 +1,4 @@
-% $Header: /home/ubuntu/mnt/e9_copy/manual/s_phys_pkgs/text/seaice.tex,v 1.12 2010/08/30 23:09:21 jmc Exp $
+% $Header: /home/ubuntu/mnt/e9_copy/manual/s_phys_pkgs/text/seaice.tex,v 1.14 2011/02/28 16:05:07 mlosch Exp $
 % $Name:  $
 
 %%EH3  Copied from "MITgcm/pkg/seaice/seaice_description.tex"
@@ -531,7 +531,9 @@
   \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
@@ -573,7 +575,9 @@
   \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}} 
@@ -670,14 +674,15 @@
 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
-advection scheme with flux limiter][]{roe:85, hundsdorfer94} to
-preserve sharp gradients and edges that are typical of sea ice
+recommend flux-limited schemes \citep[multidimensional 2nd and
+3rd-order advection scheme with flux limiter][]{roe:85, hundsdorfer94}
+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),
-\code{DIFF1} (default=0.004).
+$D_{X}=0$. Run-timeflags: \code{SEAICEadvScheme} (default=2, is the
+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
@@ -834,5 +839,5 @@
 
 %%% Local Variables: 
 %%% mode: latex
-%%% TeX-master: "../manual"
+%%% TeX-master: "../../manual"
 %%% End: 
