Publication Date:
2018-11-07
Description:
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.
Print ISSN:
1755-1307
Electronic ISSN:
1755-1315
Topics:
Geography
,
Geosciences
,
Physics
Permalink