Rainfall Induced Landslide Hazard Rating System
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Rainfall Induced Landslide Hazard Rating System
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Author : Yi-Ting Chen (S.M.)
language : en
Publisher:
Release Date : 2011
Rainfall Induced Landslide Hazard Rating System written by Yi-Ting Chen (S.M.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
This research develops a Landslide Hazard Rating System for the rainfall-induced landslides in the Chenyulan River basin area in central Taiwan. This system is designed to provide a simplified and quick evaluation of the possibility of landslide occurrence, which can be used for planning and risk management. A systematic procedure to investigate the characterization of rainfall distribution in a regional area is developed in the first part of the thesis. Rainfall data for approximately one decade, 2002 to 2008, from 9 rainfall stations in the study area are included, in which a total of 46 typhoons are selected and categorized into 3 typhoon paths: the Northeastern, Northwestern, and Western. The rainfall distribution affected by typhoon paths in a region is thereby determined. The second part of the thesis is the Landslide Hazard Rating System, which integrates different hazard factors: bedrock geology, aspect, and slope gradients. This analysis is based on the specific characterization of the study area, which consists of the relative topographic relief (aspect and slope gradients) and variable bedrock geology. The method of normalized difference is used for examining the relationship of the topographic features to landslide occurrence. Although this study is conducted in a specific area, this landslide hazard rating system can be applied to other locations. Finally, a concept of a rainfall-induced landslide analytical system is proposed to combine the rainfall distribution analysis and the landslide hazard rating system. This analytical system is intended to include and address the relationship of rainfall and landslide occurrence by combining characterizations of rainfall, topography, and landslide potential. Additionally, this study recommends that, in future work, theoretical models of rainfall distribution and laboratory tests of soil and rock samples be included. Together, these will constitute a basis for the prediction of landslide occurrence. The ultimate goal of future work should be the development of a system for assessing and forecasting rainfall-induced landslide risks, which can become the foundation for a comprehensive risk management system for use in planning.
Evaluation Of Rainfall Induced Landslide Transit Characterization
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Author : Yi-Ting Chen (Civ. E.)
language : en
Publisher:
Release Date : 2012
Evaluation Of Rainfall Induced Landslide Transit Characterization written by Yi-Ting Chen (Civ. E.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
As landslide hazard has intensified in the past decades, the development of landslide hazard evaluation systems has become more and more important. However, not much attention is paid to discussing the landslide transition in new and reoccurring landslides between different triggering events. A region in the central Taiwan, the Chenyulan River basin with the landslides from three typhoon events, Typhoons Toraji, Mindulle and Sinlaku, is selected for landslide hazard analysis in this study. The Rainfall-induced Landslide Hazard Rating System is developed and applied in the landslide transit characterization analyses. The results show that landslide transit characterization varies according to geological and topographic factors in the study area. More importantly, locations with preceding landslides, regardless of occurrence time, are vulnerable to landslide reoccurrence. A systematic procedure of landslide transit characterization is developed in this study, which ultimately can provide additional information for future planning and design of landslide alarm system.
Landslides Global Risk Preparedness
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Author : Kyoji Sassa
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-31
Landslides Global Risk Preparedness written by Kyoji Sassa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-31 with Science categories.
This book presents the global landslide risk preparedness implemented through the International Programme on Landslides (IPL). IPL was initiated by the International Consortium on Landslides (ICL) in 2002, and developed to a joint international programme by the IPL Global Promotion Committee (UNESCO, WMO, FAO, UNISDR, UNU, ICSU and WFEO as well as ICL) through the 2006 Tokyo Action Plan. The materials consists of four parts: Outline of the International Programme on Landslides & IPL Global Promotion Committee; Achievements of major IPL projects in research and capacity building; World Centres of Excellence on Landslide Risk Reduction (WCoEs) and Landslide School Network; Key documents of IPL and ICL including Tokyo Action Plan, Application of ICL, IPL Projects, WCoEs and Landslide School Network
Rainfall Thresholds And Other Approaches For Landslide Prediction And Early Warning
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Author : Samuele Segoni
language : en
Publisher: MDPI
Release Date : 2021-06-22
Rainfall Thresholds And Other Approaches For Landslide Prediction And Early Warning written by Samuele Segoni and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-22 with Science categories.
Landslides are destructive processes causing casualties and damage worldwide. The majority of the landslides are triggered by intense and/or prolonged rainfall. Therefore, the prediction of the occurrence of rainfall-induced landslides is an important scientific and social issue. To mitigate the risk posed by rainfall-induced landslides, landslide early warning systems (LEWS) can be built and applied at different scales as effective non-structural mitigation measures. Usually, the core of a LEWS is constituted of a mathematical model that predicts landslide occurrence in the monitored areas. In recent decades, rainfall thresholds have become a widespread and well established technique for the prediction of rainfall-induced landslides, and for the setting up of prototype or operational LEWS. A rainfall threshold expresses, with a mathematic law, the rainfall amount that, when reached or exceeded, is likely to trigger one or more landslides. Rainfall thresholds can be defined with relatively few parameters and are very straightforward to operate, because their application within LEWS is usually based only on the comparison of monitored and/or forecasted rainfall. This Special Issue collects contributions on the recent research advances or well-documented applications of rainfall thresholds, as well as other innovative methods for landslide prediction and early warning. Contributions regarding the description of a LEWS or single components of LEWS (e.g., monitoring approaches, forecasting models, communication strategies, and emergency management) are also welcome. We encourage, in particular, the submission of contributions concerning the definition and validation of rainfall thresholds, and their operative implementation in LEWS. Other approaches for the forecasting of landslides are also of interest, such as physically based modelling, hazard mapping, and the monitoring of hydrologic and geotechnical indicators, especially when described in the framework of an operational or prototype early warning system.
Landslide Risk Assessment
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Author : David Cruden
language : en
Publisher: Routledge
Release Date : 2018-05-02
Landslide Risk Assessment written by David Cruden and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-02 with Technology & Engineering categories.
The 25 papers collected together in this volume present comprehensive coverage of all major aspects of landslide risk assessment, including the risk assessment framework, and methods for estimating probability of landsliding vulnerability and risk.
Rainfall Induced Soil Slope Failure
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Author : Lulu Zhang
language : en
Publisher: CRC Press
Release Date : 2018-09-03
Rainfall Induced Soil Slope Failure written by Lulu Zhang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-03 with Technology & Engineering categories.
Rainfall-induced landslides are common around the world. With global climate change, their frequency is increasing and the consequences are becoming greater. Previous studies assess them mostly from the perspective of a single discipline—correlating landslides with rainstorms, geomorphology and hydrology in order to establish a threshold prediction value for rainfall-induced landslides; analyzing the slope’s stability using a geomechanical approach; or assessing the risk from field records. Rainfall Induced Soil Slope Failure: Stability Analysis and Probabilistic Assessment integrates probabilistic approaches with the geotechnical modeling of slope failures under rainfall conditions with unsaturated soil. It covers theoretical models of rainfall infiltration and stability analysis, reliability analysis based on coupled hydro-mechanical modelling, stability of slopes with cracks, gravels and spatial heterogenous soils, and probabilistic model calibration based on measurement. It focuses on the uncertainties involved with rainfall-induced landslides and presents state-of-the art techniques and methods which characterize the uncertainties and quantify the probabilities and risk of rainfall-induced landslide hazards. Additionally, the authors cover: The failure mechanisms of rainfall-induced slope failure Commonly used infiltration and stability methods The infiltration and stability of natural soil slopes with cracks and colluvium materials Stability evaluation methods based on probabilistic approaches The effect of spatial variability on unsaturated soil slopes and more
Landslide Risk Assessment
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Author : E. Mark Lee
language : en
Publisher: Thomas Telford
Release Date : 2004
Landslide Risk Assessment written by E. Mark Lee and has been published by Thomas Telford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
Over the past decade there has been a gradual shift away from simply relying on engineering solutions to individual landslide problems, to the use of a variety of strategies to manage the problems over a broad area. Such alternative strategies include the use of building codes, land use planning controls, preventing water leakage, early warning systems and insurance schemes.This book addresses these developments and provides a multidisciplinary perspective on landslide management.
Landslide Hazard Rating Matrix And Database A Manual For Landslide Inventory
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Author : Robert Y. Liang
language : en
Publisher:
Release Date : 2007
Landslide Hazard Rating Matrix And Database A Manual For Landslide Inventory written by Robert Y. Liang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Landslide hazard analysis categories.
Landslide Hazard Rating Matrix And Database
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Author : Robert Y. Liang
language : en
Publisher:
Release Date : 2007
Landslide Hazard Rating Matrix And Database written by Robert Y. Liang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Landslide hazard analysis categories.
Landslides or embankment slope failures on highways occur for a variety of reasons, such as excessive precipitation, flooding, deterioration of soil strength over time, and adverse man-made activities. The slope failures not only affect roadways but also impact adjacent structures. Repairing slope failures may require lane closures or even detours that result in additional travel time and fuel cost as well as the diminished commercial activities in the affected area. The Office of Geotechnical Engineering (OGE) recognizes the need to develop a strategy to provide timely preventive maintenance to avoid on-set of large or catastrophic slope failures. Furthermore, with limited financial resources, the OGE is forced to make rational decisions on the priority of various landslide (slope failure) maintenance and remediation needs. The decision-making and prioritizing of maintenance/remediation plans can be executed objectively only when a framework of the landslide hazard rating system is developed, and a well developed and populated inventory of existing landslide sites is in existence.
Landslides And Engineered Slopes Experience Theory And Practice
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Author : Stefano Aversa
language : en
Publisher: CRC Press
Release Date : 2018-04-17
Landslides And Engineered Slopes Experience Theory And Practice written by Stefano Aversa and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-17 with Science categories.
Landslides and Engineered Slopes. Experience, Theory and Practice contains the invited lectures and all papers presented at the 12th International Symposium on Landslides, (Naples, Italy, 12-19 June 2016). The book aims to emphasize the relationship between landslides and other natural hazards. Hence, three of the main sessions focus on Volcanic-induced landslides, Earthquake-induced landslides and Weather-induced landslides respectively, while the fourth main session deals with Human-induced landslides. Some papers presented in a special session devoted to "Subareal and submarine landslide processes and hazard” and in a “Young Session” complete the books. Landslides and Engineered Slopes. Experience, Theory and Practice underlines the importance of the classic approach of modern science, which moves from experience to theory, as the basic instrument to study landslides. Experience is the key to understand the natural phenomena focusing on all the factors that play a major role. Theory is the instrument to manage the data provided by experience following a mathematical approach; this allows not only to clarify the nature and the deep causes of phenomena but mostly, to predict future and, if required, manage similar events. Practical benefits from the results of theory to protect people and man-made works. Landslides and Engineered Slopes. Experience, Theory and Practice is useful to scientists and practitioners working in the areas of rock and soil mechanics, geotechnical engineering, engineering geology and geology.