北京师范大学学报（自然科学版）2016，Vol.52Issue(5)：591-596,6.DOI:10.16360/j.cnki.jbnuns.2016.05.010
华北地区农业干旱灾害变化特征∗
Characteristics of agricultural drought disaster in Northern China
摘要
Abstract
The variation characteristics of drought disaster in Northern China from 1949-2000 was analyzed based on two indicators extracted from disaster statistical data:agricultural drought rate, and drought frequency on a county spatial unit.An increasing trend of agricultural drought rate was found in the latter half of 20th century.After 1980,the frequency of moderate drought and above increased significantly.North-Eastern Henan Province,Northern and South-Western Shanxi Province,and Jinzhong Area showed the highest drought frequency.Drought frequency increased in most area of Henan Province and Qingdao City in Shandong Province.Areas with frequent drought disaster and years with severe agricultural drought were identified. These results provide theoretical support for risk prevention of drought and national disaster prevention and mitigation.关键词
农业干旱灾害/受旱率/干旱灾害频率Key words
agricultural drought disaster/agricultural drought rate/drought frequency分类
资源环境引用本文复制引用
安雪丽,王前锋,莫新宇,武建军..华北地区农业干旱灾害变化特征∗[J].北京师范大学学报（自然科学版）,2016,52(5):591-596,6.基金项目
国家国际科技合作专项资助项目(2013DFG21010) （2013DFG21010）
