Risk Assessment and Features of Gangou Debris Flow in Hongse Village, Hongkou Town, Dujiangyan of Sichuan Province

ZHANG Cheng-hang; ZHANG Jian-long; FENG Li

Northwestern Geology > 2014 > 47(3): 126-132.

ZHANG Cheng-hang, ZHANG Jian-long, FENG Li. Risk Assessment and Features of Gangou Debris Flow in Hongse Village, Hongkou Town, Dujiangyan of Sichuan Province[J]. Northwestern Geology, 2014, 47(3): 126-132.

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Risk Assessment and Features of Gangou Debris Flow in Hongse Village, Hongkou Town, Dujiangyan of Sichuan Province

Key Laboratory for Geo-hazards in Loess Area, MLR, Xi'an Center of Geological Survey, China Geology Survey, Xi'an 710054, China

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Received Date: January 01, 2014
Revised Date: July 20, 2014
Available Online: July 28, 2022
Published Date: September 04, 2014

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Abstract

Gangou debris flow is located in Hongse village, Hongkou town of Sichuan province. A number of debris flows have occurred after the Wenchuan earthquake. Debris flow caused by the torrential rain in June 9 of 2013 destroyed the house of resident and flooded the fields; meanwhile, there is still a lot of loose material in the ditch, which will threaten the resettlement spots and road. Based on the material from the disaster emergency investigation and the risk evaluation method of the debris flow on single channel, this paper studies formation conditions, development characteristics, susceptible degree and risk of the debris flow. At last, the result shows that both the hazard susceptibility and fatalness are on an intermediate level, still posing a threat to life, property of local residents, as well as the surrounding traffic.
- debris flow,
- risk,
- development trend,
- Gangou in Hongse village

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Risk Assessment and Features of Gangou Debris Flow in Hongse Village, Hongkou Town, Dujiangyan of Sichuan Province

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