期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：189
期号：4
页码：042032
DOI：10.1088/1755-1315/189/4/042032
语种：English
出版社：IOP Publishing
摘要：In this paper, the research status and evaluation methods of debris flow risk at home and abroad are analyzed. Finally used the grey correlation analysis method, according to the climate and geographical conditions of Jilin province has chosen six factor model (watershed cut density, loose source quantity per catchment area, vegetation coverage, main ditch slope, slope gradient, length of supply section), and determine each factor weight. Based on this, the risk level of six debris flow gullies in Longjing city was determined.
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