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Environmental Earth Sciences

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01.03.2019 | Original Article

Classification and sudden departure mechanism of high-speed landslides caused by the 2008 Wenchuan earthquake

verfasst von: Xiaoyan Zhao, Kai Hu, Scott F. Burns, Houtian Hu

Erschienen in: Environmental Earth Sciences | Ausgabe 5/2019

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Abstract

The sudden departure mechanism of high-speed landslides has always constituted a popular yet difficult research topic. Therefore, although a systematic classification of high-speed landslides is necessary, particularly since different types of landslides exhibit different mechanisms, an associated methodology has yet to be established. This paper investigates an easily overlooked phenomenon—landslide-quake, which is defined as a local ground vibration triggered by the sudden rupture of the locked segment of a high-speed landslide that occurs immediately prior to the departure of the landslide. This new concept is employed as a foundation for a new classification. The characteristics and formation conditions of landslide-quake are discussed, based upon which the high-speed landslides that occurred following the 2008 Wenchuan earthquake are classified into three different types. Subsequently, the sudden departure mechanism of each type of landslide is analyzed, thereby providing a new method for research on the sudden departure mechanism of high-speed landslides.

Vorheriger Artikel Applying time domain reflectometry to quantification of slope deformation by shear failure in a landslide

Nächster Artikel Editorial to the topical collection “Learning from spatial data: unveiling the geo-environment through quantitative approaches”

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Titel: Classification and sudden departure mechanism of high-speed landslides caused by the 2008 Wenchuan earthquake
verfasst von: Xiaoyan Zhao
Kai Hu
Scott F. Burns
Houtian Hu
Publikationsdatum: 01.03.2019
Verlag: Springer Berlin Heidelberg
Erschienen in: Environmental Earth Sciences / Ausgabe 5/2019
Print ISSN: 1866-6280
Elektronische ISSN: 1866-6299
DOI: https://doi.org/10.1007/s12665-019-8083-9

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