/[MITgcm]/manual/s_examples/tracer_adjsens/co2sens.tex
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revision 1.6 by cnh, Thu Feb 28 19:32:19 2002 UTC revision 1.10 by molod, Tue Jun 27 19:08:22 2006 UTC
# Line 2  Line 2 
2  % $Name$  % $Name$
3    
4  \section{Centennial Time Scale Tracer Injection}  \section{Centennial Time Scale Tracer Injection}
5    \label{www:tutorials}
6  \label{sect:eg-simple-tracer}  \label{sect:eg-simple-tracer}
7    \begin{rawhtml}
8    <!-- CMIREDIR:eg-simple-tracer: -->
9    \end{rawhtml}
10    
11  \bodytext{bgcolor="#FFFFFFFF"}  \bodytext{bgcolor="#FFFFFFFF"}
12    
# Line 17  Line 21 
21  %\end{center}  %\end{center}
22    
23  \subsection{Introduction}  \subsection{Introduction}
24    \label{www:tutorials}
25    
 This document describes the fourth example MITgcm experiment.  
26  This example illustrates the use of  This example illustrates the use of
27  the MITgcm to perform sensitivity analysis in a  the MITgcm to perform sensitivity analysis in a
28  large scale ocean circulation simulation.  large scale ocean circulation simulation.
29    The files for this experiment can be found in the
30    verification directory under tutorial\_tracer\_adjsens.
31    
32  \subsection{Overview}  \subsection{Overview}
33    \label{www:tutorials}
34    
35  This example experiment demonstrates using the MITgcm to simulate  This example experiment demonstrates using the MITgcm to simulate
36  the planetary ocean circulation. The simulation is configured  the planetary ocean circulation. The simulation is configured
# Line 82  The configuration is illustrated in figu Line 89  The configuration is illustrated in figu
89    
90    
91  \subsection{Discrete Numerical Configuration}  \subsection{Discrete Numerical Configuration}
92    \label{www:tutorials}
93    
94    
95   The model is configured in hydrostatic form.  The domain is discretised with   The model is configured in hydrostatic form.  The domain is discretised with
# Line 175  elevation $\eta$ and the hydrostatic pre Line 183  elevation $\eta$ and the hydrostatic pre
183  \\  \\
184    
185  \subsubsection{Numerical Stability Criteria}  \subsubsection{Numerical Stability Criteria}
186    \label{www:tutorials}
187    
188  The Laplacian dissipation coefficient, $A_{h}$, is set to $400 m s^{-1}$.  The Laplacian dissipation coefficient, $A_{h}$, is set to $400 m s^{-1}$.
189  This value is chosen to yield a Munk layer width \cite{adcroft:95},  This value is chosen to yield a Munk layer width \cite{adcroft:95},
# Line 253  S_{c} = \frac{c_{g} \delta t}{ \Delta x} Line 262  S_{c} = \frac{c_{g} \delta t}{ \Delta x}
262  stability limit of 0.25.  stability limit of 0.25.
263        
264  \subsection{Code Configuration}  \subsection{Code Configuration}
265    \label{www:tutorials}
266  \label{SEC:code_config}  \label{SEC:code_config}
267    
268  The model configuration for this experiment resides under the  The model configuration for this experiment resides under the
# Line 272  experiments. Below we describe the custo Line 282  experiments. Below we describe the custo
282  to these files associated with this experiment.  to these files associated with this experiment.
283    
284  \subsubsection{File {\it input/data}}  \subsubsection{File {\it input/data}}
285    \label{www:tutorials}
286    
287  This file, reproduced completely below, specifies the main parameters  This file, reproduced completely below, specifies the main parameters
288  for the experiment. The parameters that are significant for this configuration  for the experiment. The parameters that are significant for this configuration
# Line 283  are Line 294  are
294  \begin{verbatim} tRef=20.,10.,8.,6., \end{verbatim}  \begin{verbatim} tRef=20.,10.,8.,6., \end{verbatim}
295  this line sets  this line sets
296  the initial and reference values of potential temperature at each model  the initial and reference values of potential temperature at each model
297  level in units of $^{\circ}$C.  level in units of $^{\circ}\mathrm{C}$.
298  The entries are ordered from surface to depth. For each  The entries are ordered from surface to depth. For each
299  depth level the initial and reference profiles will be uniform in  depth level the initial and reference profiles will be uniform in
300  $x$ and $y$.  $x$ and $y$.
# Line 474  notes. Line 485  notes.
485  \end{small}  \end{small}
486    
487  \subsubsection{File {\it input/data.pkg}}  \subsubsection{File {\it input/data.pkg}}
488    \label{www:tutorials}
489    
490  This file uses standard default values and does not contain  This file uses standard default values and does not contain
491  customizations for this experiment.  customizations for this experiment.
492    
493  \subsubsection{File {\it input/eedata}}  \subsubsection{File {\it input/eedata}}
494    \label{www:tutorials}
495    
496  This file uses standard default values and does not contain  This file uses standard default values and does not contain
497  customizations for this experiment.  customizations for this experiment.
498    
499  \subsubsection{File {\it input/windx.sin\_y}}  \subsubsection{File {\it input/windx.sin\_y}}
500    \label{www:tutorials}
501    
502  The {\it input/windx.sin\_y} file specifies a two-dimensional ($x,y$)  The {\it input/windx.sin\_y} file specifies a two-dimensional ($x,y$)
503  map of wind stress ,$\tau_{x}$, values. The units used are $Nm^{-2}$.  map of wind stress ,$\tau_{x}$, values. The units used are $Nm^{-2}$.
# Line 494  in MITgcm. The included matlab program { Line 508  in MITgcm. The included matlab program {
508  code for creating the {\it input/windx.sin\_y} file.  code for creating the {\it input/windx.sin\_y} file.
509    
510  \subsubsection{File {\it input/topog.box}}  \subsubsection{File {\it input/topog.box}}
511    \label{www:tutorials}
512    
513    
514  The {\it input/topog.box} file specifies a two-dimensional ($x,y$)  The {\it input/topog.box} file specifies a two-dimensional ($x,y$)
# Line 505  The included matlab program {\it input/g Line 520  The included matlab program {\it input/g
520  code for creating the {\it input/topog.box} file.  code for creating the {\it input/topog.box} file.
521    
522  \subsubsection{File {\it code/SIZE.h}}  \subsubsection{File {\it code/SIZE.h}}
523    \label{www:tutorials}
524    
525  Two lines are customized in this file for the current experiment  Two lines are customized in this file for the current experiment
526    
# Line 531  the vertical domain extent in grid point Line 547  the vertical domain extent in grid point
547  \end{small}  \end{small}
548    
549  \subsubsection{File {\it code/CPP\_OPTIONS.h}}  \subsubsection{File {\it code/CPP\_OPTIONS.h}}
550    \label{www:tutorials}
551    
552  This file uses standard default values and does not contain  This file uses standard default values and does not contain
553  customizations for this experiment.  customizations for this experiment.
554    
555    
556  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}
557    \label{www:tutorials}
558    
559  This file uses standard default values and does not contain  This file uses standard default values and does not contain
560  customizations for this experiment.  customizations for this experiment.
561    
562  \subsubsection{Other Files }  \subsubsection{Other Files }
563    \label{www:tutorials}
564    
565  Other files relevant to this experiment are  Other files relevant to this experiment are
566  \begin{itemize}  \begin{itemize}
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