摘要
本文综合考虑气候条件、下垫面条件、史料记载的均一性等因素，将湖南省划分为１０个研究区；根据１４５０～１９４９年湖南省气候史料记载１），采用区内平均等级，描绘了全省１０个区旱灾的时间序列，并据此探讨了全省近５００ａ来旱灾的时空分布规律。
The authors synthetically considered some facts including climate,ground conditions and the homogeneity of historical information,divided Hunan province into 10 research areas,According to the historical information of climate from 1450 to 1949,the authors depicted the time alignments of drought in 10 areas of Hunan province,and probed further into the distribution law in time and space of historical drought of Hunan province.
出处
《灾害学》
CSCD
1994年第2期32-37,共6页
Journal of Catastrophology
基金
国家自然科学基金
关键词
旱灾
时空分布
湖南
drought,distribution in time and space,Hunan province
