, Propagation dans des grilles WRF

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L. Sorties-du-modèle-méso-Échelle and W. De, indice de réfraction (et donc le coindice) sur un ensemble de points repérés par leurs coordonnées en latitude, longitude et altitude. Puisque cette thèse se restreint à la propagation en deux dimensions, les grilles qui vont être utilisées dans cette sous-section sont obtenues en fixant la latitude dans des grilles de N en latitude, longitude et altitude. C'est un choix arbitraire que de fixer la latitude

, sous-section correspondent à la simulation du modèle WRF dans la région des Caraïbes, montrée en Fig. 3.20. Les latitudes sont comprises entre 11, Les données utilisées pour les simulations de cette

, 24 montrent les coupes de N à différentes altitudes Il en ressort que la variation de N à altitude constante est significative, variant de plusieurs dizaines d'unités. En revanches, ces variations sont plus faibles que les variations verticales montrées par les Fig. 3.25 à 3, Les Fig. 3.21 à 3

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