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branches/2011/dev_NEMO_MERGE_2011/DOC/TexFiles/Chapters/Chap_TRA.tex
r3221 r3267 491 491 \label{TRA_ldf_iso} 492 492 493 The general form of the second order lateral tracer subgrid scale physics 493 If the Griffies trad scheme is not employed 494 (\np{ln\_traldf\_grif}=true; see App.\ref{sec:triad}) the general form of the second order lateral tracer subgrid scale physics 494 495 (\ref{Eq_PE_zdf}) takes the following semi-discrete space form in $z$- and 495 496 $s$-coordinates: … … 536 537 (see \S\ref{LDF}) allows the model to run safely without any additional 537 538 background horizontal diffusion \citep{Guilyardi_al_CD01}. An alternative scheme 538 developed by \cite{Griffies_al_JPO98} which preserves both tracer and its variance539 developed by \cite{Griffies_al_JPO98} which ensures tracer variance decreases 539 540 is also available in \NEMO (\np{ln\_traldf\_grif}=true). A complete description of 540 the algorithm is given in App.\ref{ Apdx_Griffies}.541 the algorithm is given in App.\ref{sec:triad}. 541 542 542 543 Note that in the partial step $z$-coordinate (\np{ln\_zps}=true), the horizontal
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