摘要
介绍了1990年以来广西各地发生的旱情及其损失,分析了旱灾的成因。论述了旱灾易发等级的划分标准和方法,采用因旱粮食损失率、因旱人饮困难等指标划分广西各地旱灾易发等级,为全区各级政府部门抗旱工作提供依据。
An introduction was made on the losses of droughts which had occurred in Guangxi since 1995. The au-thor also analyzed the causes, discussed the criteria and method of incidental droughts classification . The inciden-tal droughts of Guangxi was classified with indexes such as grain loss rate, human drinking water difficult degree etc., so as to provide basis for governments at all levels of Guangxi to carry out drought relief work.
出处
《广西水利水电》
2015年第3期75-77,89,共4页
Guangxi Water Resources & Hydropower Engineering
关键词
旱灾
成因
等级划分
划分标准
广西
Drought
cause
classification
criteria for classification
Guangxi