/[MITgcm]/manual/s_examples/advection_in_gyre/adv_gyre.tex
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revision 1.9 by cnh, Tue Jan 15 22:29:10 2008 UTC revision 1.15 by jmc, Fri Aug 27 13:25:31 2010 UTC
# Line 10  Line 10 
10  \begin{rawhtml}  \begin{rawhtml}
11  <!-- CMIREDIR:eg-adv-gyre: -->  <!-- CMIREDIR:eg-adv-gyre: -->
12  \end{rawhtml}  \end{rawhtml}
13    \begin{center}
14    (in directory: {\it verification/tutorial\_advection\_in\_gyre/})
15    \end{center}
16    
17    Author: Oliver Jahn and Chris Hill
18    
19    
20    
21  This set of examples is based on the barotropic and baroclinic gyre MITgcm configurations,  This set of examples is based on the barotropic and baroclinic gyre MITgcm configurations,
22  that are described in the tutorial sections \ref{sect:eg-baro} and \ref{sect:eg-fourlayer}.  that are described in the tutorial sections \ref{sect:eg-baro} and \ref{sect:eg-fourlayer}.
# Line 61  the $-U \cdot \nabla C$ term that are av Line 68  the $-U \cdot \nabla C$ term that are av
68  \end{enumerate}  \end{enumerate}
69    
70    
71  \subsection{Introducting a tracer into the flow}  \subsection{Introducing a tracer into the flow}
72    
73   The MITgcm ptracers package (see section \ref{sec:pkg:ptracers} for a more complete discussion   The MITgcm ptracers package (see section \ref{sec:pkg:ptracers} for a more complete discussion
74  of the ptracers package and section \ref{sec:pkg:using} for a general introduction to MITgcm  of the ptracers package and section \ref{sec:pkg:using} for a general introduction to MITgcm
# Line 69  packages) provides pre-coded support for Line 76  packages) provides pre-coded support for
76  distribution at simulation time $t=0$ of $C_0(x,y,z)$. The steps required to use this capability  distribution at simulation time $t=0$ of $C_0(x,y,z)$. The steps required to use this capability
77  are  are
78  \begin{enumerate}  \begin{enumerate}
79  \item[Activating package ptracers]  \item{\bf Activating the ptracers package.} This simply requires adding the line {\tt ptracers} to
80    the {\tt packages.conf} file in the {\it code/} directory for the experiment.
81    \item{\bf Setting an initial tracer distribution.}
82  \end{enumerate}  \end{enumerate}
83    
84  - activating ptracers  Once the two steps above are complete we can proceed to examine how the tracer we have created is
85  - setting initial distribution  carried by the flow field and what properties of the tracer distribution are preserved under
86    different advection schemes.
87    
 To intro  
88  \subsection{Selecting an advection scheme}  \subsection{Selecting an advection scheme}
89    
90  - flags in data and data.ptracers  - flags in data and data.ptracers
# Line 93  To intro Line 102  To intro
102  \item{Positive definite}  \item{Positive definite}
103  \end{enumerate}  \end{enumerate}
104    
105    \input{s_examples/advection_in_gyre/adv_gyre_figure.tex}
106    
107    \begin{figure}
108    \begin{center}
109     \includegraphics*[width=\textwidth]{s_examples/advection_in_gyre/stats.eps}
110    \end{center}
111    \caption{Maxima, minima and standard deviation (from left) as a function of time (in months)
112    for the gyre circulation experiment from figure~\ref{fig:adv-gyre-all}.}
113    \label{fig:adv-gyre-stats}
114    \end{figure}
115    
116  \subsection{Code and Parameters files for this tutorial}  \subsection{Code and Parameters files for this tutorial}
117    
118    The code and parameters for the experiments can be found in the MITgcm example experiments
119    directory {\it verification/tutorial\_advection\_in\_gyre/}.
120    
121    
122    
123    
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