摘要
通过分析大量的历史文献材料 ,总结了湖北省水旱灾害的发生具有严重性、区域性、季节性、持续性、连锁性、周期性和人为性的特点 .分析了水旱灾害的发生时间变化规律和区域差异 ,特别是严重水旱灾害的时空变化规律 ,认为湖北省大旱与大涝常以交替的形式出现 ,其中水灾明显多于旱灾 ,同时水旱灾害发生的次数有不断增加的趋势 ,2 0世纪以来湖北省已进入大旱。
Based on the historical recordings, the characteristics of flood and drought disasters occurred have been summed up as serious, regional seasonal, continuous, chain, period and man-made. The temporal and spatial distribution of flooding and drought, especially for those of serious disasters, has been analyzed. It is concluded that the flood and drought occurred alternately, the occurring times of flood is much more than that of drought. And also the frequency of flood and drought of Hubei province has the trend of increasing. It is obvious the flood and drought is excessive in Hubei province since 20 th century.
出处
《武汉大学学报（理学版）》
CAS
CSCD
北大核心
2003年第2期213-216,共4页
Journal of Wuhan University:Natural Science Edition
基金
国家社会科学基金重点项目 ( 0 1AZS0 0 1)
国家社会科学基金项目 ( 0 0BZS0 11)
国家自然科学基金 ( 498710 71)
湖北省涝渍灾害与湿地农业重点实验室开发科研基金资助项目 (HNKFJ2 0 0 2T0 2 )
国家留学基金委资助项目
