- Timestamp:
- 2013-07-24T11:48:35+02:00 (11 years ago)
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branches/2013/dev_r3853_CNRS9_ConfSetting/DOC/TexFiles/Chapters/Chap_LDF.tex
r3294 r3989 1 1 2 2 % ================================================================ 3 % Chapter ÑLateral Ocean Physics (LDF)3 % Chapter � Lateral Ocean Physics (LDF) 4 4 % ================================================================ 5 5 \chapter{Lateral Ocean Physics (LDF)} … … 21 21 and for tracers only, eddy induced advection on tracers). These three aspects 22 22 of the lateral diffusion are set through namelist parameters and CPP keys 23 (see the \textit{ nam\_traldf} and \textit{nam\_dynldf} below). Note23 (see the \textit{\ngn{nam\_traldf}} and \textit{\ngn{nam\_dynldf}} below). Note 24 24 that this chapter describes the default implementation of iso-neutral 25 25 tracer mixing, and Griffies's implementation, which is used if … … 104 104 105 105 Other formulations can be introduced by the user for a given configuration. 106 For example, in the ORCA2 global ocean model ( \key{orca\_r2}), the laplacian106 For example, in the ORCA2 global ocean model (see Configurations), the laplacian 107 107 viscosity operator uses \np{rn\_ahm0}~= 4.10$^4$ m$^2$/s poleward of 20$^{\circ}$ 108 108 north and south and decreases linearly to \np{rn\_aht0}~= 2.10$^3$ m$^2$/s … … 110 110 can be found in routine \rou{ldf\_dyn\_c2d\_orca} defined in \mdl{ldfdyn\_c2d}. 111 111 Similar modified horizontal variations can be found with the Antarctic or Arctic 112 sub-domain options of ORCA2 and ORCA05 (\key{antarctic} or \key{arctic} 113 defined, see \hf{ldfdyn\_antarctic} and \hf{ldfdyn\_arctic}). 112 sub-domain options of ORCA2 and ORCA05 (see \&namcfg namelist). 114 113 115 114 \subsubsection{Space Varying Mixing Coefficients (\key{traldf\_c3d} and \key{dynldf\_c3d})} … … 123 122 There is no default specification of space and time varying mixing coefficient. 124 123 The only case available is specific to the ORCA2 and ORCA05 global ocean 125 configurations (\key{orca\_r2} or \key{orca\_r05}). It provides only a tracer124 configurations. It provides only a tracer 126 125 mixing coefficient for eddy induced velocity (ORCA2) or both iso-neutral and 127 126 eddy induced velocity (ORCA05) that depends on the local growth rate of
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