Rainfall Induced Landslides Hazard
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Rainfall Induced Landslides Hazard
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Author : Clemente Irigaray
language : en
Publisher:
Release Date : 2021-11
Rainfall Induced Landslides Hazard written by Clemente Irigaray and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11 with categories.
This book includes five articles and a technical note recently published in the Special Issue "Rainfall-Induced Landslides Hazard" from the journal Hydrology. Its main objective is to describe the latest developments and applications of the use of new numerical and analytical methods to improve our understanding of rainfall-induced landslide models and other aspects of landslide-hazard assessment. In the first article, based on the estimation of rainfall thresholds and their return periods in a sector of southern Spain, a linear equation for the rainfall duration threshold and a power-law curve for the intensity-duration pair were determined. The second and fourth articles present two case studies in Italy on the assessment of landslide susceptibility. One of them uses the Weight of Evidence method and takes into account parameters such as geology, activity, land use, average annual precipitation and extreme precipitation events, and the other one compares Forward Conditional Analysis and Forward Logistic Regression methods. The next work aims to generate and compare the basic information on rainfall events triggering landslides in two areas with different climate and geological settings (southern Ecuador and southern Spain). In addition, this paper gives preliminary insights into the correlation between these rainfall events and major climate cycles affecting each of these study areas. The last article focuses on the estimation of evapotranspiration using remote sensing and the Surface Energy Balance Algorithm for Land in western Iran. Finally, the technical note presents a procedure to determine and validate the probabilities for landslide occurrence by using different precipitation parameters (rainfall intensity, rainfall duration and event rainfall) in Bhutan.
Extreme Rainfall Induced Landslides
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Author : Willy Alvarenga Lacerda
language : en
Publisher: Oficina de Textos
Release Date :
Extreme Rainfall Induced Landslides written by Willy Alvarenga Lacerda and has been published by Oficina de Textos this book supported file pdf, txt, epub, kindle and other format this book has been release on with Technology & Engineering categories.
This book assembles most of the works presented at the International Workshop on Extreme Rainfall Induced Landslides, held in Rio de Janeiro 11-15 February 2012, in response to the landslide disaster which occurred in the Serrana Region of Rio de Janeiro one year before, and also other disasters in the states of Santa Catarina, São Paulo, Pernambuco, Alagoas, and Minas Gerais. The workshop brought together great landslide experts from all around the world, and the outcome was a Final Report sent to competent governmental Brazilian authorities. The presentations, discussions and lessons learned highlighted the urgency of governmental actions to incentivize scientific and technological researches, aiming to accelerate the methodological development in order to avoid, reduce and mitigate the hazardous consequences of these natural disasters.
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.
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
Advancing Culture Of Living With Landslides
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Author : Matjaž Mikoš
language : en
Publisher: Springer
Release Date : 2017-05-20
Advancing Culture Of Living With Landslides written by Matjaž Mikoš and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-20 with Nature categories.
This volume contains peer-reviewed papers from the Fourth World Landslide Forum organized by the International Consortium on Landslides (ICL), the Global Promotion Committee of the International Programme on Landslides (IPL), University of Ljubljana (UL) and Geological Survey of Slovenia in Ljubljana, Slovenia from May 29 to June 2, 2017. The complete collection of papers from the Forum is published in five full-color volumes. This fourth volume contains the following: • Earthquake-Induced Landslides • Rainfall-Induced Landslides • Rapid Landslides: Debris Flows, Mudflows, Rapid Debris-Slides • Landslides in Rocks and Complex Landslides: Rock Topples, Rock Falls, Rock Slides,Complex Landslides • Landslides and Other Natural Hazards: Floods, Droughts, Wildfires, Tsunamis, Volcanoes Prof. Matjaž Mikoš is the Forum Chair of the Fourth World Landslide Forum. He is the Vice President of International Consortium on Landslides and President of the Slovenian NationalPlatform for Disaster Risk Reduction. Prof. Nicola Casagli is Founding member of the International Consortium on Landslides(ICL), professor at the University of Florence and founder of the UNESCO Chair on geohydrological hazards at the same University. Prof. Yueping Yin is the President of the International Consortium on Landslides and the Chairman of the Committee of Geo-Hazards Prevention of China, and the Chief Geologist of Geo-Hazard Emergency Technology, Ministry of Land and Resources, P.R. China”. Prof. Kyoji Sassa is the Founding President of the International Consortium on Landslides(ICL). He is Executive Director of ICL and the Editor-in-Chief of International Journal“Landslides” since its foundation in 2004. IPL (International Programme on Landslides) is a programme of the ICL. The programme is managed by the IPL Global Promotion Committee including ICL and ICL supportingorganizations, UNESCO, WMO, FAO, UNISDR, UNU, ICSU, WFEO, IUGS and IUGG. TheIPL contributes to the United Nations International Strategy for Disaster Reduction and the ISDR-ICL Sendai Partnerships 2015-2025.
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.
Rainfall Induced Landslides
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Author :
language : en
Publisher:
Release Date : 2009
Rainfall Induced Landslides written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Probablistic Modeling Of Rainfall Induced Landslide Hazard Assessment In San Juan La Laguna Solol Guatemala
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Author : Patrice F. Cobin
language : en
Publisher:
Release Date : 2013
Probablistic Modeling Of Rainfall Induced Landslide Hazard Assessment In San Juan La Laguna Solol Guatemala written by Patrice F. Cobin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
The municipality of San Juan La Laguna, Guatemala is home to approximately 5,200 people and located on the western side of the Lake Atitlán caldera. Steep slopes surround all but the eastern side of San Juan. The Lake Atitlán watershed is susceptible to many natural hazards, but most predictable are the landslides that can occur annually with each rainy season, especially during high-intensity events. Hurricane Stan hit Guatemala in October 2005; the resulting flooding and landslides devastated the Atitlán region. Locations of landslide and non-landslide points were obtained from field observations and orthophotos taken following Hurricane Stan. This study used data from multiple attributes, at every landslide and non-landslide point, and applied different multivariate analyses to optimize a model for landslides prediction during high-intensity precipitation events like Hurricane Stan. The attributes considered in this study are: geology, geomorphology, distance to faults and streams, land use, slope, aspect, curvature, plan curvature, profile curvature and topographic wetness index. The attributes were pre-evaluated for their ability to predict landslides using four different attribute evaluators, all available in the open source data mining software Weka: filtered subset, information gain, gain ratio and chi-squared. Three multivariate algorithms (decision tree J48, logistic regression and BayesNet) were optimized for landslide prediction using different attributes. The following statistical parameters were used to evaluate model accuracy: precision, recall, F measure and area under the receiver operating characteristic (ROC) curve. The algorithm BayesNet yielded the most accurate model and was used to build a probability map of landslide initiation points. The probability map developed in this study was also compared to the results of a bivariate landslide susceptibility analysis conducted for the watershed, encompassing Lake Atitlán and San Juan. Landslides from Tropical Storm Agatha 2010 were used to independently validate this study's multivariate model and the bivariate model. The ultimate aim of this study is to share the methodology and results with municipal contacts from the author's time as a U.S. Peace Corps volunteer, to facilitate more effective future landslide hazard planning and mitigation.
A New Zealand Framework For Predicting Risk Due To Rainfall Induced Landslides
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Author : Robert Buxton
language : en
Publisher:
Release Date : 2013
A New Zealand Framework For Predicting Risk Due To Rainfall Induced Landslides written by Robert Buxton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Landslide hazard analysis categories.
Understanding And Reducing Landslide Disaster Risk
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Author : Binod Tiwari
language : en
Publisher: Springer Nature
Release Date : 2020-12-22
Understanding And Reducing Landslide Disaster Risk written by Binod Tiwari and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-22 with Nature categories.
This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: • Five keynote lectures • Recent development in physical modeling of landslides • Recent development in numerical modeling of landslides • Recent development in soil and rock testing techniques, application and analysis methods • Recent advancements in the methods of slope stability and deformation analyses • Recent development in disaster risk assessment Prof. Binod Tiwari is a Vice President of the International Consortium on Landslides (ICL). He is the Associate Vice President for research and sponsored project and Professor of civil and environmental engineering at the California State University, Fullerton, California, USA. Prof. Kyoji Sassa is the Founding President and the Secretary-General of the International Consortium on Landslides (ICL). He has been the Editor-in-Chief of International Journal Landslides since its foundation in 2004. Prof. Peter Bobrowsky is the President of the International Consortium on Landslides. He is a Senior Scientist of Geological Survey of Canada, Ottawa, Canada. Prof. Kaoru Takara is the Executive Director of the International Consortium on Landslides. He is a Professor and Dean of Graduate School of Advanced Integrated Studies (GSAIS) in Human Survivability (Shishu-Kan), Kyoto University.