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Landslide on Hydrological Response

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 330

Special Issue Editor


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Guest Editor
School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, China
Interests: reservoir landslide; deformation mechanism; stability evaluation; landslide early warning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,                

Hydrological factors, such as rainfall and reservoir water level fluctuations, play a crucial role in triggering landslides. These factors periodically alter the seepage field within a landslide. Changes in pore water pressure and seepage forces exerted on soil or rock significantly affect landslide stability. A clear understanding of these mechanisms is vital for effective landslide risk mitigation and the protection of communities.

This Special Issue focuses on advancing research into the relationship between hydrological processes and landslide dynamics. Topics of interest include the following:

  • Early identification and susceptibility evaluation of water-induced landslide;
  • Application of novel monitoring technology in water-induced landslide;
  • Formation and deformation mechanism of water-induced landslide;
  • Early warning and stability analysis of water-induced landslide;
  • Comprehensive risk assessment of water-induced landslide.

By addressing these themes, this Special Issue aims to deepen our understanding of hydrological–landslide interactions and promote practical solutions for landslide risk management. Researchers are encouraged to contribute original studies, reviews, and case studies to this multidisciplinary platform.

Dr. Lei Zhang
Guest Editor

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Keywords

  • water-induced landslide
  • landslide stability
  • deformation mechanism
  • landslide susceptibility mapping
  • multi-fields monitoring

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Published Papers (1 paper)

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Research

14 pages, 9552 KiB  
Article
Time-Varying Reliability Analysis of the Majiagou Landslide
by Chun Lan, Hui Zhang, Guangqing Hu, Xiaojin Song and Heng Sun
Water 2025, 17(8), 1185; https://doi.org/10.3390/w17081185 - 15 Apr 2025
Viewed by 192
Abstract
Rainfall and reservoir water level (RWL) fluctuations are the most important factors affecting reservoir landslide stability. Although extensive research has explored landslide stability under the combined effect of rainfall and RWL fluctuation, quantitative investigations on the individual contributions of rainfall and RWL fluctuation [...] Read more.
Rainfall and reservoir water level (RWL) fluctuations are the most important factors affecting reservoir landslide stability. Although extensive research has explored landslide stability under the combined effect of rainfall and RWL fluctuation, quantitative investigations on the individual contributions of rainfall and RWL fluctuation to landslide stability are limited. To address this issue, taking the Majiagou landslide in the Three Gorges Region (TGR) as an example, the seepage field of the Majiagou landslide was simulated and analyzed under three different scenarios: the individual effect of rainfall; the individual effect of RWL fluctuation; and the combined effect of rainfall and RWL fluctuation. The corresponding stability condition of the three scenarios was evaluated. The results show that the fluctuation of RWL is the critical factor that governs the stability of the Majiagou landslide. Specifically, when the water level drops rapidly from 165 m to 145 m, with an average rate of 0.859 m/d, the landslide safety factor decreases most significantly. The reason is that rapid water level decline creates outward-directed seepage forces that promote slope deformation. In contrast, rainfall has a limited effect on slope stability, with the safety factor only decreasing when rainfall exceeds 50 mm/d. This is because a seepage force directed outward from the slope develops only when rainfall reaches a certain threshold, leading to a reduction in the slope’s safety factor. In addition, this study reveals that the combined effect of rainfall and RWL fluctuations generates a synergistic amplification mechanism. Specifically, the safety factor variation under combined hydrological conditions significantly exceeds the arithmetic sum of individual rainfall-induced variation and RWL-induced variation. This study helps us understand how rainfall and RWL fluctuation affect slope stability by altering the seepage field, which is crucial for preventing landslides. Full article
(This article belongs to the Special Issue Landslide on Hydrological Response)
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