/[MITgcm]/manual/s_examples/advection_in_gyre/adv_gyre.tex
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revision 1.4 by cnh, Tue Jan 15 21:10:12 2008 UTC revision 1.10 by cnh, Tue Jan 15 23:29:37 2008 UTC
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7  \section[Gyre Advection Example]{Ocean Gyre Advection Schemes}  \section[Gyre Advection Example]{Ocean Gyre Advection Schemes}
 \label{sect:eg-adv-gyre}  
8  \label{www:tutorials}  \label{www:tutorials}
9    \label{sect:eg-adv-gyre}
10  \begin{rawhtml}  \begin{rawhtml}
11  <!-- CMIREDIR:eg-adv-gyre: -->  <!-- CMIREDIR:eg-adv-gyre: -->
12  \end{rawhtml}  \end{rawhtml}
13    
14    Author: Oliver Jahn and Chris Hill
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16    
17    
18  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,
19  that are described in the tutorial sections \label{sect:eg-baro} and \label{sect:eg-fourlayer}.  that are described in the tutorial sections \ref{sect:eg-baro} and \ref{sect:eg-fourlayer}.
20  The examples in this section explain how to introduce a passive tracer into the flow  The examples in this section explain how to introduce a passive tracer into the flow
21  field of the barotropic and baroclinic gyre setups and looks at how the time evolution  field of the barotropic and baroclinic gyre setups and looks at how the time evolution
22  of the passive tracer depends on the advection or transport scheme that is selected  of the passive tracer depends on the advection or transport scheme that is selected
# Line 61  the $-U \cdot \nabla C$ term that are av Line 65  the $-U \cdot \nabla C$ term that are av
65  \end{enumerate}  \end{enumerate}
66    
67    
68  \subsection{Introducting a tracer into the flow}  \subsection{Introducing a tracer into the flow}
69    
70     The MITgcm ptracers package (see section \ref{sec:pkg:ptracers} for a more complete discussion
71    of the ptracers package and section \ref{sec:pkg:using} for a general introduction to MITgcm
72    packages) provides pre-coded support for a simple passive tracer with an initial
73    distribution at simulation time $t=0$ of $C_0(x,y,z)$. The steps required to use this capability
74    are
75    \begin{enumerate}
76    \item{\bf Activating the ptracers package.} This simply requires adding the line {\tt ptracers} to
77    the {\tt packages.conf} file in the {\it code/} directory for the experiment.
78    \end{enumerate}
79    
  The ptracers package (see section \ref{sec:} for a more complete discussion  
 of the ptracers package )  
80  - activating ptracers  - activating ptracers
81  - setting initial distribution  - setting initial distribution
82    
# Line 75  To intro Line 87  To intro
87    
88  - overlap width  - overlap width
89    
90  - CPP GAD_ALLOW_SOM_ADVECT required for SOM case  - CPP GAD\_ALLOW\_SOM\_ADVECT required for SOM case
91    
92  \subsection{Comparison of different advection schemes}  \subsection{Comparison of different advection schemes}
93    
# Line 86  To intro Line 98  To intro
98  \item{Positive definite}  \item{Positive definite}
99  \end{enumerate}  \end{enumerate}
100    
101    \subsection{Code and Parameters files for this tutorial}
102    
103    The code and parameters for the experiments can be found in the MITgcm example experiments
104    directory {\it verification/tutorial\_advection\_in\_gyre/}.
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