摘要
利用标准化降水指数建立了华北地区于旱指数计算公式,并对华北地区1997年的干旱和历年于温期进行了计算和分析,取得了较好的结果,试验表明该指数能运用于干旱监测业务。
A drought index equation is established by using the standardized precipitation index. It can be applied to monitoring drought in north China. Good results are obtained by the use of the equation to calculate and analyze the drought in north China in 1997 and wet and dry periods of previous years.
出处
《灾害学》
CSCD
1998年第4期34-38,共5页
Journal of Catastrophology
基金
九
五项目!96-908-04-07
关键词
华北地区
标准化
降水指数
干旱指数
North China, Standardized precipitation index, Drought index