Variation of debris flow/flood formation conditions at the watershed scale in the Wenchuan Earthquake area

Landslides ◽  
2021 ◽  
Author(s):  
Xiaojun Guo ◽  
Yong Li ◽  
Xingchang Chen ◽  
Ju Zhang ◽  
Yuqing Sun
Keyword(s):  
Debris Flow ◽  
Wenchuan Earthquake ◽  
Watershed Scale ◽  
The Wenchuan Earthquake ◽  
Formation Conditions ◽  
Earthquake Area

scholarly journals Analysis of a debris flow after Wenchuan Earthquake and discussion on preventive measures

2019 ◽  
Vol 23 (3 Part A) ◽  
pp. 1563-1570
Author(s):  
Zhi-Long Zhang ◽  
Jing Xie ◽  
De-Ke Yu ◽  
Zhi-Jie Wen
Keyword(s):  
Debris Flow ◽  
Wenchuan Earthquake ◽  
Preventive Measures ◽  
Impact Force ◽  
Site Investigation ◽  
The Wenchuan Earthquake ◽  
Formation Conditions ◽  
National Road ◽  
And Control ◽  
Debris Flow Disaster

This paper addresses a debris flow disaster in Yingxiu town after the Wenchuan earthquake. Through site investigation and data review, the geography and geological environment of the basin and the development, formation conditions and activity characteristics of the debris flow in the basin are analyzed. Calculate and analyze the characteristics of the debris flow, such as gravity, flow velocity and impact force. According to the management idea of combination of blocking and discharging, this paper proposes to arrange three blocking dams in the main ditch, construct drainage gullies in the downstream accumulation section, and prevent and control the aqueduct in the intersection of the main ditch and the G213 national road, which will be similar to the earthquake in the future. It is provided as a reference for research and prevention of the debris flow.

Real-time observation of an active debris flow watershed in the Wenchuan Earthquake area

Geomorphology ◽  
2018 ◽  
Vol 321 ◽  
pp. 153-166 ◽  
Author(s):  
Peng Cui ◽  
Xiaojun Guo ◽  
Yan Yan ◽  
Yong Li ◽  
Yonggang Ge
Keyword(s):  
Debris Flow ◽  
Real Time ◽  
Wenchuan Earthquake ◽  
The Wenchuan Earthquake ◽  
Time Observation ◽  
Real Time Observation ◽  
Earthquake Area

Types and causes of debris flow damage to drainage channels in the Wenchuan earthquake area

2014 ◽  
Vol 11 (6) ◽  
pp. 1406-1419 ◽  
Author(s):  
Jian-gang Chen ◽  
Xiao-qing Chen ◽  
Tao Wang ◽  
Yu-hua Zou ◽  
Wei Zhong
Keyword(s):  
Debris Flow ◽  
Wenchuan Earthquake ◽  
The Wenchuan Earthquake ◽  
Drainage Channels ◽  
Earthquake Area
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