摘要
在大量收集旱涝史料的基础上,结合气象观测资料,用旱涝等级法对四川盆地旱涝灾害进行了研究,初步得出了近千年来四川盆地旱涝变化规律和其地区分布上存在的基本特点.
The droughts and floods are the major natural disasters in Sichuan Basin. With the help of a great deal of historical data and modern meteorologic data, the thesis makes researches on the droughts and floods in Sichuan Basin by means of drought-flood degrees. The analysis leads to a priliminary conclusion of regular change of the droughts and floods in Sichuan Basin in the last thousand years and distribution features of the droughts and floods in Sichuan.
出处
《西南师范大学学报（自然科学版）》
CAS
CSCD
1991年第2期244-249,共6页
Journal of Southwest China Normal University(Natural Science Edition)
关键词
旱灾
涝灾
变迁
等级
drought disaster
flood damages
drought flood degree
drought-flood alternation
