摘要
旱灾是河北省发生频率最高,危害和损失最大的农业自然灾害。旱灾发生的直接影响因素是降水不足,但其发生的频率、成灾分布与灾情强度却是农业旱灾脆弱性的体现。本文分析了河北省旱灾脆弱性的影响因素,建立了旱灾脆弱性评估指标体系,并以县为单位进行了旱灾脆弱性评估,最后,对估算结果进行了验证。
Abstract Drought disaster is one of the most heavy disaster in North China. In recent years, it has caused more and more damages and losses , seriously affected society life, hindered and constrained industrial and agricultural production . Taking Hebei Province as an example, this paper analyzes drought disaster vulnerability in the human dimension and gives out an assessment of drought disaster vulnerability. Comparing it with practical drought disaster, the result showt that drought disaster consists with drought disaster vulnerability instead of precipitation quantity. Human response and adjustment to
出处
《自然灾害学报》
CSCD
1998年第4期35-43,共9页
Journal of Natural Disasters
基金
国家自然科学基金