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Open AccessArticle

Hazard Assessment of Debris Flows in the Reservoir Region of Wudongde Hydropower Station in China

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College of Construction Engineering, Jilin University, Ximinzhu Street 938, Changchun 130000, China
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The Third Railway Survey and Design Institute Group Corporation, Tianjin 300143, China
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Jilin Institute of Geological Environment Monitoring, Changchun 130000, China
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Author to whom correspondence should be addressed.
Academic Editor: Vincenzo Torretta
Sustainability 2015, 7(11), 15099-15118; https://doi.org/10.3390/su71115099
Received: 9 September 2015 / Revised: 9 November 2015 / Accepted: 10 November 2015 / Published: 13 November 2015
The outbreak of debris flows in a reservoir region can affect the stability of hydropower stations and threaten the lives of the people living downstream of dams. Therefore, determining the hazard degree of debris flows in a reservoir region is of great importance. SPOT5 remote sensing images and digital elevation models are introduced to determine the characteristics of debris-flow catchments. The information is acquired through comprehensive manual investigation and satellite image interpretation. Ten factors that influence debris flow are extracted for the hazard assessment. The weight of these factors is determined using the analytic hierarchy process method. As a multi-criterion decision analysis method, fuzzy synthetic evaluation is applied for hazard assessment. View Full-Text
Keywords: debris flow; SPOT5; digital elevation model; analytic hierarchy process; fuzzy synthetic evaluation; hazard assessment debris flow; SPOT5; digital elevation model; analytic hierarchy process; fuzzy synthetic evaluation; hazard assessment
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Niu, C.; Wang, Q.; Chen, J.; Zhang, W.; Xu, L.; Wang, K. Hazard Assessment of Debris Flows in the Reservoir Region of Wudongde Hydropower Station in China. Sustainability 2015, 7, 15099-15118.

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