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Insights from the failure and dynamic characteristics of two sequential landslides at Baige village along the Jinsha River, China

Landslides, 2019-07, Vol.16 (7), p.1397-1414 [Peer Reviewed Journal]

Springer-Verlag GmbH Germany, part of Springer Nature 2019 ;Springer-Verlag GmbH Germany, part of Springer Nature 2019. ;ISSN: 1612-510X ;EISSN: 1612-5118 ;DOI: 10.1007/s10346-019-01177-9

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Title:
Insights from the failure and dynamic characteristics of two sequential landslides at Baige village along the Jinsha River, China
Author: Ouyang, Chaojun ; An, Huicong ; Zhou, Shu ; Wang, Zhongwen ; Su, Pengcheng ; Wang, Dongpo ; Cheng, Duoxiang ; She, Jinxing
Subjects: Agriculture ; Civil Engineering ; Computer applications ; Deformation ; Digital Elevation Models ; Digital imaging ; Dynamic characteristics ; Earth and Environmental Science ; Earth Sciences ; Geography ; Image resolution ; Interferometric synthetic aperture radar ; Lakes ; Landslides ; Natural Hazards ; Remote sensing ; Rivers ; SAR (radar) ; Synthetic aperture radar ; Synthetic aperture radar interferometry ; Technical Note ; Unmanned aerial vehicles
Is Part Of: Landslides, 2019-07, Vol.16 (7), p.1397-1414
Description: The focus of this paper is on two large sequential landslides which formed a dam and the resulting lake that occurred along the Jinsha River on October 11 and November 3, 2018. About 24 and 9 × 10 6 m 3 of material failed and rushed into the river, respectively. Both landslides totally blocked the river and induced hazard chains. Four multi-temporal unmanned aerial vehicle (UAV)-based high-resolution images and digital elevation models (DEMs) before and after the landslides were obtained and merged. The initial deformation of the two landslides can be clearly captured by optical remote-sensing images and interferometric synthetic aperture radar (InSAR) analysis. The depth-integrated continuum method was adopted to analyze the dynamic process of both landslides, using the same basal friction angle and cohesion. The computational results matched well with field measurements and observations. It is shown that the evaluation of potentially landslide-prone areas by the depth-integrated continuum method is feasible and is able to provide significant information before a possible event.
Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
Language: English
Identifier: ISSN: 1612-510X
EISSN: 1612-5118
DOI: 10.1007/s10346-019-01177-9
Source: ProQuest Central

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Insights from the failure and dynamic characteristics of two sequential landslides at Baige village along the Jinsha River, China

Springer-Verlag GmbH Germany, part of Springer Nature 2019 ;Springer-Verlag GmbH Germany, part of Springer Nature 2019. ;ISSN: 1612-510X ;EISSN: 1612-5118 ;DOI: 10.1007/s10346-019-01177-9

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