Journal ArticleDOI
Landslide hazard and risk zonation—why is it still so difficult?
TLDR
In this paper, the authors review the problem of attempting to quantify landslide risk over larger areas, discussing a number of difficulties related to the generation of landslide inventory maps including information on date, type and volume of the landslide, the determination of its spatial and temporal probability, the modelling of runout and the assessment of landslide vulnerability.Abstract:
The quantification of risk has gained importance in many disciplines, including landslide studies. The literature on landslide risk assessment illustrates the developments which have taken place in the last decade and that quantitative risk assessment is feasible for geotechnical engineering on a site investigation scale and the evaluation of linear features (e.g., pipelines, roads). However, the generation of quantitative risk zonation maps for regulatory and development planning by local authorities still seems a step too far, especially at medium scales (1:10,000–1:50,000). This paper reviews the problem of attempting to quantify landslide risk over larger areas, discussing a number of difficulties related to the generation of landslide inventory maps including information on date, type and volume of the landslide, the determination of its spatial and temporal probability, the modelling of runout and the assessment of landslide vulnerability. An overview of recent developments in the different approaches to landslide hazard and risk zonation at medium scales is given. The paper concludes with a number of new advances and challenges for the future, such as the use of very detailed topographic data, the generation of event-based landslide inventory maps, the use of these maps in spatial-temporal probabilistic modelling and the use of land use and climatic change scenarios in deterministic modelling.read more
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An integrated approach for evaluating the effectiveness of landslide risk reduction in unplanned communities in the Caribbean
TL;DR: In this paper, an integrated risk assessment and cost-benefit analysis of physical landslide mitigation measures implemented in an unplanned community in the Eastern Caribbean is presented. And it is shown that the probability of landslide occurrence has been substantially reduced by implementing surfacewater drainage measures, and that the benefits of the project outweigh the costs by a ratio of 2.7 to 1.
Journal ArticleDOI
Land use changes, landslides and roads in the Phewa Watershed, Western Nepal from 1979 to 2016
Cindy Vuillez,Marj Tonini,Karen Sudmeier-Rieux,Sanjaya Devkota,Marc-Henri Derron,Michel Jaboyedoff +5 more
TL;DR: In this paper, an investigation of land use/land cover changes (LULCC) for the period 1979-2016 in the Phewa Lake area watershed in Western Nepal based on an analysis of aerial photos, satellite images and ground-based observations is presented.
Journal ArticleDOI
Estimation of the susceptibility of a road network to shallow landslides with the integration of the sediment connectivity
Massimiliano Bordoni,M. Giuseppina Persichillo,Claudia Meisina,Stefano Crema,Marco Cavalli,Carlotta Bartelletti,Yuri Galanti,Michele Barsanti,Roberto Giannecchini,Giacomo Alfredo D'Amato Avanzi +9 more
TL;DR: In this article, the authors developed and tested a data-driven model for the identification of road sectors that are susceptible to being hit by shallowlandslides triggered in slopes upstream from the infrastructure.
Journal ArticleDOI
Multi-method characterisation of an active landslide: Case study in the Pays d'Auge plateau (Normandy, France)
TL;DR: In this article, a morphodynamic map was produced in the field using car-tographic GPS to depict the surface morphology and map the estimated landslide activity in the Pays d'Auge plateau (Normandy, France).
Journal ArticleDOI
Event-Based Landslide Modeling in the Styrian Basin, Austria: Accounting for Time-Varying Rainfall and Land Cover
Raphael Knevels,Helene Petschko,Herwig Proske,Philip Leopold,Douglas Maraun,Alexander Brenning +5 more
TL;DR: In this article, the authors used generalized additive models (GAM) to link land surface, geology, meteorological, and land cover/land use (LULC) variables to observed slope failures.
References
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Journal ArticleDOI
Landslide hazard evaluation: a review of current techniques and their application in a multi-scale study, Central Italy
TL;DR: In this paper, the authors used geomorphological information to assess areas at high landslide hazard, and help mitigate the associated risk, and found that despite the operational and conceptual limitations, landslide hazard assessment may indeed constitute a suitable, cost-effective aid to land-use planning.
Journal ArticleDOI
The shuttle radar topography mission—a new class of digital elevation models acquired by spaceborne radar
TL;DR: For 11 days in February 2000, the Shuttle Radar Topography Mission (SRTM) successfully recorded by interferometric synthetic aperture radar (InSAR) data of the entire land mass of the earth between 60°N and 57°S.
Book
Geographic Information Systems for Geoscientists: Modelling with GIS
TL;DR: An introduction to GIS and tools for map analysis: map pairs, spatial data models, and more.
Journal ArticleDOI
The Rainfall Intensity - Duration Control of Shallow Landslides and Debris Flows
TL;DR: In this article, rainfall intensities and durations associated with shallow landsliding and debris flow activity suggests a limiting threshold for this type of slope instability, and the limit is defined based on the rainfall intensity and duration.
Book
Landslide hazard zonation: A review of principles and practice
TL;DR: In this paper, the authors give the definitions and principles of landslides, and identify causative conditions and processes (inherent or basic conditions, geology, geomorphology, hydrologic conditions and climate, vegetation, factors that change stress conditions and strength of materials).