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\section{Surface Driven Convection} |
\section{Surface Driven Convection} |
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\label{www:tutorials} |
\label{www:tutorials} |
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\label{sect:eg-bconv} |
\label{sect:eg-bconv} |
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\begin{rawhtml} |
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<!-- CMIREDIR:eg-bconv: --> |
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\end{rawhtml} |
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\begin{center} |
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(in directory: {\it verification/tutorial\_deep\_convection/}) |
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\end{center} |
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\bodytext{bgcolor="#FFFFFFFF"} |
\bodytext{bgcolor="#FFFFFFFF"} |
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\label{FIG:eg-bconv-simulation_config} |
\label{FIG:eg-bconv-simulation_config} |
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\end{figure} |
\end{figure} |
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This experiment, figure \ref{FIG:eg-bconv-simulation_config}, showcasing MITgcm's non-hydrostatic capability, was designed to explore |
This experiment, figure \ref{FIG:eg-bconv-simulation_config}, showcasing MITgcm's non-hydrostatic |
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capability, was designed to explore |
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the temporal and spatial characteristics of convection plumes as they might exist during a |
the temporal and spatial characteristics of convection plumes as they might exist during a |
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period of oceanic deep convection. It is |
period of oceanic deep convection. The files for this experiment can be found in the verification |
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directory under tutorial\_deep\_convection. It is |
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\begin{itemize} |
\begin{itemize} |
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\item non-hydrostatic |
\item non-hydrostatic |
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\item Line 4, |
\item Line 4, |
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\begin{verbatim} |
\begin{verbatim} |
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4 tRef=20*20.0, |
4 tRef=20*20.0, |
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\end{verbatim} |
\end{verbatim} |
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this line sets |
this line sets |
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the initial and reference values of potential temperature at each model |
the initial and reference values of potential temperature at each model |
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level in units of $^{\circ}$C. Here the value is arbitrary since, in this case, the |
level in units of $^{\circ}\mathrm{C}$. Here the value is arbitrary since, in this case, the |
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flow evolves independently of the absolute magnitude of the reference temperature. |
flow evolves independently of the absolute magnitude of the reference temperature. |
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For each depth level the initial and reference profiles will be uniform in |
For each depth level the initial and reference profiles will be uniform in |
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$x$ and $y$. The values specified are read into the |
$x$ and $y$. The values specified are read into the |
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\item Line 5, |
\item Line 5, |
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\begin{verbatim} |
\begin{verbatim} |
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5 sRef=20*35.0, |
5 sRef=20*35.0, |
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\end{verbatim} |
\end{verbatim} |
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this line sets the initial and reference values of salinity at each model |
this line sets the initial and reference values of salinity at each model |
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level in units of ppt. In this case salinity is set to an (arbitrary) uniform value of |
level in units of ppt. In this case salinity is set to an (arbitrary) uniform value of |
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\item Line 6, |
\item Line 6, |
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\begin{verbatim} |
\begin{verbatim} |
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6 viscAh=0.1, |
6 viscAh=0.1, |
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\end{verbatim} |
\end{verbatim} |
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this line sets the horizontal laplacian dissipation coefficient to |
this line sets the horizontal laplacian dissipation coefficient to |
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0.1 ${\rm m^{2}s^{-1}}$. Boundary conditions |
0.1 ${\rm m^{2}s^{-1}}$. Boundary conditions |
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\item Line 7, |
\item Line 7, |
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\begin{verbatim} |
\begin{verbatim} |
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7 viscAz=0.1, |
7 viscAz=0.1, |
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\end{verbatim} |
\end{verbatim} |
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this line sets the vertical laplacian frictional dissipation coefficient to |
this line sets the vertical laplacian frictional dissipation coefficient to |
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0.1 ${\rm m^{2}s^{-1}}$. Boundary conditions |
0.1 ${\rm m^{2}s^{-1}}$. Boundary conditions |
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