Dynamic susceptibility assessment of debris flow hazard after a strong earthquake, Wenchuan County, Sichuan, China

Zhang, Xianzheng; Tang, Chenxiao; Tie, Yongbo; Li, Xiaojuan; Tang, Chuan; Xiong, Jiang; Chen, Ming; Gong, Lingfeng

doi:10.1007/s10346-024-02246-4

Landslides

2024

DOI: 10.1007/s10346-024-02246-4

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Dynamic susceptibility assessment of debris flow hazard after a strong earthquake, Wenchuan County, Sichuan, China

Xianzheng Zhang,

Chenxiao Tang,

Yongbo Tie

et al.

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Cited by 2 publications

References 53 publications

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High-tide hysteresis effect of low-frequency debris flow after earthquake: a case study of Xifan Gully

Zhong,

Chen,

et al. 2024

Bull Eng Geol Environ

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High-tide hysteresis effect of low-frequency debris flow after earthquake: a case study of Xifan Gully

Zhong,

Chen,

et al. 2024

Bull Eng Geol Environ

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Landscape Character Identification and Zoning Management in Disaster-Prone Mountainous Areas: A Case Study of Mentougou District, Beijing

Li,

Zhang

2024

Land

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Disaster-prone mountainous regions face complex human–environment conflicts resulting from the combined influences of natural disaster threats, ecosystem conservation, and resource development. This study takes Mentougou District as the research area, leveraging landscape character identification methods to develop a multidimensional evaluation framework integrating safety, ecology, and landscape aspects, providing a foundation for zoning and management decisions. Four characteristic elements—elevation, geomorphology, vegetation type, and land cover type—were extracted during the landscape character identification phase. Two-step clustering and eCognition multi-scale segmentation were used to identify 12 landscape character types (LCTs) and delineate Landscape Character Areas (LCAs). The MaxEnt model was applied during the evaluation phase to assess debris flow susceptibility. At the same time, AHP and ArcGIS spatial overlay methods were used to evaluate ecological resilience and landscape resource quality. The three-dimensional evaluation results for the 12 LCAs were clustered and manually interpreted, resulting in four levels of protection and development areas. Management strategies were proposed from three perspectives: debris flow disaster prevention, ecosystem conservation, and landscape resource development. This method provides a pathway to balance human–environment conflicts in disaster-prone mountainous regions, promoting scientific zoning management and sustainable development in vast mountainous areas.

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Dynamic susceptibility assessment of debris flow hazard after a strong earthquake, Wenchuan County, Sichuan, China

Cited by 2 publications

References 53 publications

High-tide hysteresis effect of low-frequency debris flow after earthquake: a case study of Xifan Gully

High-tide hysteresis effect of low-frequency debris flow after earthquake: a case study of Xifan Gully

Landscape Character Identification and Zoning Management in Disaster-Prone Mountainous Areas: A Case Study of Mentougou District, Beijing

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