Monitoring and early warning of debris-flow in an earthquake impacted area, Baishahe catchment, southwest China

Hongling Tian, Zongji Yang, Jianping Qiao & Lili Shi
After 10 years of the Wenchuan earthquake of China, the post-seismic landslides are turning weak. However, the debris flows in earthquake-stricken area continue to be threat. In order to reduce the risk from debris flows in this region, we discuss the operation of an alert system, monitoring objectives, and early-warning policies. Three gullies in the Baishahe catchment, Dujiangyan, Southwest China were selected and rain-gauge, tilt-sensor, mud-meter and ground acoustic meter combined to a warning system...
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