现代农业科技Issue(17)：272-274,3.
汉江上游安康段明清时期洪涝灾害时间规律分析
Law Analysis on Floods in Ankang Reaches of Hanjiang River Upstream in Ming and Qing Dynasties
摘要
Abstract
Hanjiang River upstream Ankang reaches is flood-prone areas of Shaanxi Province,local flood would bring huge losses. Based on the finish analysis of floods historical data of Hanjiang River upstream Ankang reaches in Ming and Qing Dynasty(1368 to 1912),using Matlab and Excel software,the flood level,time law and other features in the area were researched. The results showed thatflood disaster of Hanjiang River upstream Ankang reaches during 1368 to 1912 can be divided intoFirst level mild,second level moderate,three-level severe and level four severe catastrophic floods;occured floods 57 times in 544 years in this region,occured once with an average of 3.9 years,and with obvious stage characteristics;the occurrence of floods in Ming and Qing Dynasties in the region focused on the summer season;there is a clear cycle characteristics of flood of Hanjiang River upstream Ankang reaches occurred in this period.关键词
汉江上游安康段/洪涝灾害/等级/时间规律/明清时期Key words
Ankang reaches of Hanjiang River upstream/flood disaster/level/time law/Ming and Qing Dynasties分类
天文与地球科学引用本文复制引用
李晓刚,孙娜..汉江上游安康段明清时期洪涝灾害时间规律分析[J].现代农业科技,2015,(17):272-274,3.基金项目
商洛市科技计划项目（SK2014-01-05）；商洛学院科研项目服务地方专项资助（12SKY-FWDF009）。 （）
