Lm-pafog : a new three-dimentional fog forecast model with parametrised microphysics

作者: Matthieu Masbou

DOI:

关键词: HumanitiesMicrophysicsCartographyGeography

摘要: La presence de brouillard occasionne des perturbations transports aeriens et routiers peut etre a l'origine d'accidents graves. Cependant, le est en general un phenomene petite echelle, influence aussi bien par les advectifs locaux, echanges turbulents que sa structure microphysique. Une parametrisation microphysique basee sur modele unidimensionnel prevision du brouillard, PAFOG, ete introduite dans meso-echelle tridimensionnel,"Lokal Model". L'evaluation previsions LM-PAFOG montre la dispersion performances entre periodes jour nuit. Des comparaisons avec d'autres systemes pointent l'influence d'un schema d'assimilation adapte, ainsi celle visibilite. Enfin, verification utilisant produits satellites pour stratus bas teste.

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