Scale and spatial distribution assessment of rainfall-induced landslides in a catchment with mountain roads

This study focused on landslides in a catchment with mountain roads that were caused by Nanmadol (2011) and Kong-rey (2013) typhoons. Image interpretation techniques were employed to for satellite images captured before and after the typhoons to derive the surface changes. A multivariate hazard eval...

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Bibliographic Details
Published in:Natural hazards and earth system sciences 2018-03, Vol.18 (2), p.687-708
Main Authors: Tseng, Chih-Ming, Chen, Yie-Ruey, Wu, Szu-Mi
Format: Article
Language:English
Subjects:
Analysis
Catchment area
Disaster management
Disasters
Distribution
Emergency preparedness
Evaluation
Hazard assessment
Hurricanes
Influence
Landslides
Landslides & mudslides
Mapping
Rain
Rainfall
Roads
Satellite imagery
Satellites
Spatial distribution
Typhoons
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Summary:This study focused on landslides in a catchment with mountain roads that were caused by Nanmadol (2011) and Kong-rey (2013) typhoons. Image interpretation techniques were employed to for satellite images captured before and after the typhoons to derive the surface changes. A multivariate hazard evaluation method was adopted to establish a landslide susceptibility assessment model. The evaluation of landslide locations and relationship between landslide and predisposing factors is preparatory for assessing and mapping landslide susceptibility. The results can serve as a reference for preventing and mitigating slope disasters on mountain roads.
ISSN:1684-9981
1561-8633
1684-9981
DOI:10.5194/nhess-18-687-2018