摘要
本文以月降水距平为指标,根据黄河流域典型台站40年的降水资料,对黄河流域旱涝灾害的时空分布特征进行了分析,并进行了区域划分。
This paper analyzed temporal and spatial distribution of drought and flooding hazards,based on monthly rainfall data of last 40 years recorded in the selected climate satations in the reaches of Yellow River.Results show that droughts happened more frequently than flooding did.Frequency of droughts and follding are 40-80% and 2.5-36%,respectively,in most areas of the reaches of Yellow River. \ \
出处
《干旱区资源与环境》
CSCD
1998年第1期1-6,共6页
Journal of Arid Land Resources and Environment
关键词
黄河流域
旱涝灾害
时空分布
区域划分
the reaches of Yellow River,drought and flooding,temporal and spatial distribution,division.