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- 2016-11-28T17:04:10+01:00 (7 years ago)
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branches/2016/dev_INGV_UKMO_2016/DOC/TexFiles/Chapters/Chap_CFG.tex
r4147 r7351 1 \documentclass[NEMO_book]{subfiles} 2 \begin{document} 1 3 % ================================================================ 2 4 % Chapter � Configurations … … 88 90 %>>>>>>>>>>>>>>>>>>>>>>>>>>>> 89 91 \begin{figure}[!t] \begin{center} 90 \includegraphics[width=0.98\textwidth]{ ./TexFiles/Figures/Fig_ORCA_NH_mesh.pdf}92 \includegraphics[width=0.98\textwidth]{Fig_ORCA_NH_mesh} 91 93 \caption{ \label{Fig_MISC_ORCA_msh} 92 ORCA mesh conception. The departure from an isotropic Mercator grid start poleward of 20\deg 94 ORCA mesh conception. The departure from an isotropic Mercator grid start poleward of 20\degN. 93 95 The two "north pole" are the foci of a series of embedded ellipses (blue curves) 94 96 which are determined analytically and form the i-lines of the ORCA mesh (pseudo latitudes). … … 115 117 %>>>>>>>>>>>>>>>>>>>>>>>>>>>> 116 118 \begin{figure}[!tbp] \begin{center} 117 \includegraphics[width=1.0\textwidth]{ ./TexFiles/Figures/Fig_ORCA_NH_msh05_e1_e2.pdf}118 \includegraphics[width=0.80\textwidth]{ ./TexFiles/Figures/Fig_ORCA_aniso.pdf}119 \includegraphics[width=1.0\textwidth]{Fig_ORCA_NH_msh05_e1_e2} 120 \includegraphics[width=0.80\textwidth]{Fig_ORCA_aniso} 119 121 \caption { \label{Fig_MISC_ORCA_e1e2} 120 122 \textit{Top}: Horizontal scale factors ($e_1$, $e_2$) and 121 123 \textit{Bottom}: ratio of anisotropy ($e_1 / e_2$) 122 for ORCA 0.5\deg ~mesh. South of 20\deg 123 so that the anisotropy ratio is 1. Poleward of 20\deg 124 for ORCA 0.5\deg ~mesh. South of 20\degN a Mercator grid is used ($e_1 = e_2$) 125 so that the anisotropy ratio is 1. Poleward of 20\degN, the two "north pole" 124 126 introduce a weak anisotropy over the ocean areas ($< 1.2$) except in vicinity of Victoria Island 125 127 (Canadian Arctic Archipelago). } … … 129 131 130 132 The method is applied to Mercator grid ($i.e.$ same zonal and meridional grid spacing) poleward 131 of $20\deg$N, so that the Equator is a mesh line, which provides a better numerical solution133 of 20\degN, so that the Equator is a mesh line, which provides a better numerical solution 132 134 for equatorial dynamics. The choice of the series of embedded ellipses (position of the foci and 133 135 variation of the ellipses) is a compromise between maintaining the ratio of mesh anisotropy … … 178 180 The ORCA\_R2 configuration has the following specificity : starting from a 2\deg~ORCA mesh, 179 181 local mesh refinements were applied to the Mediterranean, Red, Black and Caspian Seas, 180 so that the resolution is $1\deg \time 1\deg$there. A local transformation were also applied182 so that the resolution is 1\deg \time 1\deg there. A local transformation were also applied 181 183 with in the Tropics in order to refine the meridional resolution up to 0.5\deg at the Equator. 182 184 … … 227 229 228 230 The domain geometry is a closed rectangular basin on the $\beta$-plane centred 229 at $\sim 30\deg$N and rotated by 45\deg, 3180~km long, 2120~km wide231 at $\sim$ 30\degN and rotated by 45\deg, 3180~km long, 2120~km wide 230 232 and 4~km deep (Fig.~\ref{Fig_MISC_strait_hand}). 231 233 The domain is bounded by vertical walls and by a flat bottom. The configuration is … … 234 236 The applied forcings vary seasonally in a sinusoidal manner between winter 235 237 and summer extrema \citep{Levy_al_OM10}. 236 The wind stress is zonal and its curl changes sign at 22\deg N and 36\degN.238 The wind stress is zonal and its curl changes sign at 22\degN and 36\degN. 237 239 It forces a subpolar gyre in the north, a subtropical gyre in the wider part of the domain 238 240 and a small recirculation gyre in the southern corner. … … 261 263 %>>>>>>>>>>>>>>>>>>>>>>>>>>>> 262 264 \begin{figure}[!t] \begin{center} 263 \includegraphics[width=1.0\textwidth]{ ./TexFiles/Figures/Fig_GYRE.pdf}265 \includegraphics[width=1.0\textwidth]{Fig_GYRE} 264 266 \caption{ \label{Fig_GYRE} 265 267 Snapshot of relative vorticity at the surface of the model domain … … 311 313 temperature data. 312 314 315 \end{document}
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