IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Alternative TitleDifferent Scale Debris Flow Frequency for Limited Triggering Earth ——Loubajie Debirs Flow Valley
陈宁生1; 陈清波2; 王晓颖3
Corresponding Author陈宁生
Source Publication第三届海峡两岸山地灾害与环境保育学术研讨会 ; 海峡两岸山地灾害与环境保育研究第三卷
Conference Date2002-7-26
Conference Place云南昆明
Funding Organization中国水土保持学会


Other Abstract

As there are some problems to check the debris flow frequency with the precipitation frequency in earth source limited area. It is suggested that judging the frequency by comprehesive way. Applying the Loubajie valley debris flow in 1933, 1983, 1984 and 1977 as study cases we analyzed the basin characters, the debris flow basic nature. It is found that the debris flow frequency of Luojiba is different from the frequency of local precipitaion. Therefore we have to use the comprehensive way to check the real frequency of debris flow. First, the history of debris flow are gotten to check the debris flow frequency; Secondly, the carthquake frequency is studied and be used to compared the debris flow frequency; Thirdly different hydraulic calculation ways are used to calculate the debris flow frequency. At last it is make sure that the frequency of debris flow in 1933 is more frequent than 100 years a time; that of 1983 is 100 years a time; that of 1984 is 50 years a time and that of 1997 is 10 years a time.

Keyword有限物源区 泥石流 频率
Subject AreaP642.23
Document Type会议论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
陈宁生,陈清波,王晓颖. 有限物源流域不同规模的泥石流频率分析——以四川黑水县罗坝街泥石流沟为例[C],2002:115-123.
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