期刊名称：Science et changements planétaires / Sécheresse
印刷版ISSN：1147-7806
电子版ISSN：1777-5922
出版年度：2004
卷号：15
期号：3
页码：287-292
出版社：John Libbey Eurotext
摘要：Figures See all figures Authors Amadou Gaye , Alain Viltard , Pierre de Félice Laboratoire de physique de l’atmosphère Siméon Fongang (LPASF), École supérieure polytechnique Université Cheikh Anta Diop (UCAD), Dakar, Laboratoire de météorologie dynamique Institut Pierre-Simon Laplace (IPSL), École polytechnique 91128 Palaiseau cedex Key words: Rainfall, Hydrology, Squall lines, West Africa, Satellite Imaging and Geomatics Page(s) : 287-92 Published in: 2004 Using eight daily slots provided by the Meteosat IR channel, one follows 153 squall lines (SLs) over Western Africa during the months of July, August and September of the 1986 and 1987. The SLs rainfall is computed using daily observations of 800 raingauges. Thanks to the SLs’ rapid movement, daily area and rainfall variations are described. Areas are at a minimum around 15 UTC whilst rainfall is at a maximum around 18 and 21 UTC.
关键词：Rainfall; Hydrology; Squall lines; West Africa; Satellite Imaging and Geomatics
