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Erschienen in:
2017 | OriginalPaper | Buchkapitel
Early Warning of Long Channel and Post-controlled Debris-Flow Gully in Southwest China
verfasst von : Jian Huang
Erschienen in: Advancing Culture of Living with Landslides
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Abstract
Closely induced by earthquake, debris flow frequently occurred and had some distinctive features, e.g. long channel and check dams controlled. In mountainous regions of Southwest China, many catastrophic events have already affect local people and became one of the main threats to lives and properties. This paper, presents an early warning method combining rain gauge, ultrasonic sensor and video recording fully adapted to debris flow gullies. A three-level early warning criteria (null, attention, and warning) has is proposed and defined in this paper. Niujuangou gully was selected as a case study to validate the approach, and to demonstrate it’s helpful to debris flow occurrences prediction.