Homogenization of French rainfall long term data series

被引:4
|
作者
Moisselin, JM [1 ]
Schneider, M [1 ]
机构
[1] Meteo France, Direct Climatol, Toulouse, France
关键词
D O I
10.1051/lhb/2002096
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
Since 1994, Meteo-France has sped up effort on search, data rescue and homogenization of long series of weather measurements. This allowed the built-up of a data base of 226 homogeneous monthly series of rainfall over the 20th century. Rainfall exhibits usually positive trends, but without very strong geographical coherence. A seasonal approach exhibits enhanced pluviometric contrasts: more rainfall during winter and less during summer. The evolution of the De Martonne drought index (also established using homogenized temperature series) exhibits weak trends.
引用
收藏
页码:126 / 130
页数:5
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