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：2005
卷号：16
期号：3
页码：175-181
出版社：John Libbey Eurotext
摘要：Figures See all figures Authors Jérôme Lejot , Yann Callot Laboratoire rhodanien de géographie de l’environnement (LRGE), Unité mixte de recherche (UMR) 5600 du Centre national de la recherche scientifique (CNRS), Université Lumière Lyon II, 5, avenue Pierre-Mendès-France, 69676 Bron cedex, Archeorient Environnement et sociétés de l’Orient ancien, Unité mixte de recherche (UMR) 5647 du Centre national de la recherche scientifique (CNRS), Maison de l’Orient méditerranéen (MOM) Jean Pouilloux, 7, rue Raulin, 69007 Lyon Key words: Africa, Mauritania, Sahel, Water, Climatology Page(s) : 175-81 Published in: 2005 After a long period of drought, the climate of the Sahel appears to be changing with a lasting pattern of rainier monsoons. Aleg, a small town in southern Mauritania, must cope with these changes. After years of a policy appropriate for drought, Aleg is faced with flooding it has not seen for 30 years. Adding to these problems is the lack of urban planning: as nomads fleeing drought settled down in Aleg, homes were and continue to be built on former water channels and in flood areas, and no infrastructure is available to stock or distribute water. These difficulties are all exacerbated by a constant lack of funds that prevents any improvement.
