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Water
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Slope Stability Analyses and Landslide Risk Assessment Under Hydrodynamic Action
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Slope Stability Analyses and Landslide Risk Assessment Under Hydrodynamic Action

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Erosion and Sediment Transport".

Deadline for manuscript submissions: 25 May 2025 | Viewed by 1678

Special Issue Editors

Prof. Dr. Zheng-Yi Feng

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Guest Editor
Department of Soil and Water Conservation, National Chung Hsing University, Taichung, Taiwan
Interests: landslides; debris flow; slope stability; earth dam; dam breach; riverbank erosion; dynamic analysis; seismic signal process; geotechnical engineering
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Cheng-Yu Ku

E-Mail Website
Guest Editor
Department of Harbor and River Engineering, National Taiwan Ocean University, Keelung, Taiwan
Interests: numerical methods; geotechnical engineering; groundwater modeling; groundwater; landslides modeling; slope stability; engineering geology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Frank Tsai

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA, USA
Interests: groundwater; hydrogeology; surface and groundwater interactions; subsurface characterization; riverbank seepage; uncertainty analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We invite researchers, academics, and practitioners to contribute their insights and recent findings to our Special Issue focused on “Slope Stability Analyses and Landslide Risk Assessment Under Hydrodynamic Action”.

This Special Issue aims to record a diverse range of studies that address the complexities of slope stability and landslide risk using various new approaches, such as analytical and numerical models, remote sensing technologies, machine learning algorithms, artificial intelligence, geospatial data analysis, etc.

We also welcome detailed analyses and lessons learned from specific case studies of landslides, water erosion, and sediment transport for their monitoring, prewarning, prevention, and mitigation.

We look forward to your submissions and to advancing the knowledge in this field.

Prof. Dr. Zheng-Yi Feng
Prof. Dr. Cheng-Yu Ku
Prof. Dr. Frank Tsai
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • landslide
  • debris flow
  • river bank erosion and protection
  • slope stability
  • landslide risk assessment
  • groundwater seepage
  • landslide mitigation
  • water erosion
  • sediment transport

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Published Papers (2 papers)

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Research

19 pages, 9652 KiB  
Article
Assessment of Possible Landslide Susceptibility Under Climate Change: A Case in the Chishan River Watershed in Southwestern Taiwan
by Chunhung Wu
Water 2024, 16(23), 3420; https://doi.org/10.3390/w16233420 - 27 Nov 2024
Viewed by 315
Abstract
This study investigated the future spatiotemporal distribution of landslide susceptibility in the Chishan river watershed (CRW) in southwestern Taiwan under four future climate change scenarios. On the basis of 10 landslide-related factors, landslide susceptibility models were constructed using the frequency ratio method and [...] Read more.
This study investigated the future spatiotemporal distribution of landslide susceptibility in the Chishan river watershed (CRW) in southwestern Taiwan under four future climate change scenarios. On the basis of 10 landslide-related factors, landslide susceptibility models were constructed using the frequency ratio method and logistic regression method, and the model with better performance was selected for subsequent analysis. This study estimated past (2000–2023) and future (2024–2100) daily CRW rainfall values with return periods of 5, 10, 25, 50, 100, and 200 years. Daily rainfall is expected to increase considerably in the mid-future under the Shared Socioeconomic Pathway (SSP) 3-7.0 scenario and in the far future under the SSP 1-2.6, SSP 2-4.5, SSP 3-7.0, and SSP 5-8.5 scenarios. Under these four scenarios, daily rainfall with a return period of 50–100 years in the far future is expected to exceed the daily rainfall in the CRW during Typhoon Morakot (917.8 mm) in 2009. The intensity and frequency of extreme rainfall events in the CRW are expected to increase in the far future under climate change. Finally, areas with high landslide susceptibility are expected to be distributed in the upstream regions of the CRW. Full article
(This article belongs to the Special Issue Slope Stability Analyses and Landslide Risk Assessment Under Hydrodynamic Action)
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21 pages, 12616 KiB  
Article
Numerical Simulations Using iRIC Nays2DH for Sediment Transport Behaviors in Dam Breach Tests
by Zheng-Yi Feng, Zhi-You Chen and Su-Chin Chen
Water 2024, 16(22), 3205; https://doi.org/10.3390/w16223205 - 8 Nov 2024
Viewed by 475
Abstract
After the breach of a landslide dam, the sediment in the breach opening will be carried downstream by the breach flood. The river channel will also be eroded by the flood, resulting in bed load transport. Three large-scale dam breach tests were conducted [...] Read more.
After the breach of a landslide dam, the sediment in the breach opening will be carried downstream by the breach flood. The river channel will also be eroded by the flood, resulting in bed load transport. Three large-scale dam breach tests were conducted to investigate the sediment transport behavior after a dam breach. The topography data of the creek channel were measured before and after the dam breach tests to understand the sediment transport behavior. The sediment transport simulations of the dam breach tests were conducted using the iRIC Nays2DH software. The simulations focused on three types of test setups: the single dam, single dam with a spur dike, and double dam models. The terrain (DEM) for the numerical model input was designated based on the LiDAR results, and a flow hydrograph during the dam breach tests was applied. The accuracy of the simulations was assessed using the “coverage index” and “mean absolute percentage error”. A numerical parametrical study was performed to find the major parameters that influenced the simulations. The results showed that the dynamic behavior of water flow and sediment during the dam breach processes were effectively captured by the iRIC Nays2DH simulation, but with limitations. The average flow velocity of the flood in the single dam case was the fastest among the three types of dam breaches. Due to the contraction of the creek channel caused by the spur dike, severe erosion occurred locally, and the flow rate increased in the narrowed section. Water impoundment between the two dams after the first dam breach and the consequent breach of the second dam were also well-simulated for the double dam breach. The findings and simulations in this study help explain dam breaches better and can guide researchers working on sediment transport during dam-breach floods. Full article
(This article belongs to the Special Issue Slope Stability Analyses and Landslide Risk Assessment Under Hydrodynamic Action)
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