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Changeset 2376 for branches/nemo_v3_3_beta/DOC/TexFiles/Chapters/Chap_Model_Basics_zstar.tex – NEMO

Ignore:
Timestamp:
2010-11-11T18:01:29+01:00 (13 years ago)
Author:
gm
Message:

v3.3beta: better TKE description, CFG a new Chapter, and correction of Fig references

File:
1 edited

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  • branches/nemo_v3_3_beta/DOC/TexFiles/Chapters/Chap_Model_Basics_zstar.tex

    r996 r2376  
    117117 
    118118%>   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   >   > 
    119 \begin{figure}[!t] \label{Fig_DYN_dynspg_ts} 
    120 \begin{center} 
     119\begin{figure}[!t]   \begin{center} 
    121120\includegraphics[width=0.90\textwidth]{./Figures/Fig_DYN_dynspg_ts.pdf} 
    122 \caption{Schematic of the split-explicit time stepping scheme for the barotropic and baroclinic modes, after \citet{Griffies2004}. Time increases to the right. Baroclinic time steps are denoted by $t-\Delta t$, $t, t+\Delta t$, and $t+2\Delta t$. The curved line represents a leap-frog time step, and the smaller barotropic time steps $N \Delta t=2\Delta t$ are denoted by the zig-zag line. The vertically integrated forcing \textbf{M}(t) computed at baroclinic time step t represents the interaction between the barotropic and baroclinic motions. While keeping the total depth, tracer, and freshwater forcing fields fixed, a leap-frog integration carries the surface height and vertically integrated velocity from t to $t+2 \Delta t$ using N barotropic time steps of length $\Delta t$. Time averaging the barotropic fields over the N+1 time steps (endpoints included) centers the vertically integrated velocity at the baroclinic timestep $t+\Delta t$. A baroclinic leap-frog time step carries the surface height to $t+\Delta t$ using the convergence of the time averaged vertically integrated velocity taken from baroclinic time step t. } 
     121\caption{    \label{Fig_DYN_dynspg_ts} 
     122Schematic of the split-explicit time stepping scheme for the barotropic and baroclinic modes,  
     123after \citet{Griffies2004}. Time increases to the right. Baroclinic time steps are denoted by  
     124$t-\Delta t$, $t, t+\Delta t$, and $t+2\Delta t$. The curved line represents a leap-frog time step,  
     125and the smaller barotropic time steps $N \Delta t=2\Delta t$ are denoted by the zig-zag line.  
     126The vertically integrated forcing \textbf{M}(t) computed at baroclinic time step t represents  
     127the interaction between the barotropic and baroclinic motions. While keeping the total depth,  
     128tracer, and freshwater forcing fields fixed, a leap-frog integration carries the surface height  
     129and vertically integrated velocity from t to $t+2 \Delta t$ using N barotropic time steps of length  
     130$\Delta t$. Time averaging the barotropic fields over the N+1 time steps (endpoints included)  
     131centers the vertically integrated velocity at the baroclinic timestep $t+\Delta t$.  
     132A baroclinic leap-frog time step carries the surface height to $t+\Delta t$ using the convergence  
     133of the time averaged vertically integrated velocity taken from baroclinic time step t. } 
    123134\end{center} 
    124135\end{figure} 
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