Landslide risk assessment and management: an overview

Landslides can result in enormous casualties and huge economic losses in mountainous regions. In order to mitigate landslide hazard effectively, new methodologies are required to develop a better understanding of landslide hazard and to make rational decisions on the allocation of funds for management of landslide risk. Recent advances in risk analysis and risk assessment are beginning to provide systematic and rigorous processes to enhance slope management. In recent years, risk analysis and assessment has become an important tool in addressing uncertainty inherent in landslide hazards. This article reviews recent advances in landslide risk assessment and management, and discusses the applicability of a variety of approaches to assessing landslide risk. Firstly, a framework for landslide risk assessment and management by which landslide risk can be reduced is proposed. This is followed by a critical review of the current state of research on assessing the probability of landsliding, runout behavior, and vulnerability. Effective management strategies for reducing economic and social losses due to landslides are described. Problems in landslide risk assessment and management are also examined. D 2002 Elsevier Science B.V. All rights reserved.

[1]  A D Hardingham,et al.  NATURAL SLOPE HAZARD AND RISK ASSESSMENT FRAMEWORK , 1999 .

[2]  T. G. Chapman,et al.  7. A model for prediction of piezometric levels in landslides , 1991 .

[3]  K. Yin,et al.  Statistical prediction model for slope instability of metamorphosed rocks , 1988 .

[4]  P. Reichenbach,et al.  GIS techniques and statistical models in evaluating landslide hazard , 1991 .

[5]  Kyoji Sassa,et al.  Geotechnical model for the motion of landslides , 1988 .

[6]  M. Sorriso-Valvo,et al.  Geomorphic controls of the shape and mobility of rock avalanches , 1991 .

[7]  Alec Westley Skempton,et al.  The Mam Tor landslide, North Derbyshire , 1989, Philosophical transactions of the Royal Society of London. Series A: Mathematical and physical sciences.

[8]  G. Wieczorek,et al.  Effect of rainfall intensity and duration on debris flows in central Santa Cruz Mountains, California , 1987 .

[9]  W. K. Kong.  Risk assessment of slopes , 2002, Quarterly Journal of Engineering Geology and Hydrogeology.

[10]  Bernd Scheuchl,et al.  Monitoring very slow slope movements by means of SAR interferometry: A case study from a mass waste above a reservoir in the Ötztal Alps, Austria , 1999 .

[11]  E N Bromhead,et al.  THE TREATMENT OF LANDSLIDES , 1997 .

[12]  R. Sidle,et al.  A distributed slope stability model for steep forested basins , 1995 .

[13]  R. Fell,et al.  Landslide Risk Assessment , 1997 .

[14]  Andrew Simon,et al.  A rainfall intensity-duration threshold for landslides in a humid- tropical environment, Puerto Rico , 1993 .

[15]  R. Soeters,et al.  Slope instability recognition, analysis, and zonation , 1996 .

[16]  Jordi Corominas,et al.  The angle of reach as a mobility index for small and large landslides , 1996 .

[17]  Rajat Gupta,et al.  Landslide hazard zoning using the GIS approach—A case study from the Ramganga catchment, Himalayas , 1990 .

[18]  J. N. Hutchinson.  A sliding–consolidation model for flow slides , 1986 .

[19]  David R. Montgomery,et al.  Debris Flow Hazard Mitigation for Colluvium-Filled Swales , 1991 .

[20]  P. R. Vaughan,et al.  FAST SHEARING OF PRE-EXISTING SHEAR ZONES IN SOIL , 1996 .

[21]  S. H. Cannon,et al.  Rainfall that triggered abundant debris avalanches in the San Francisco Bay region, California during the storm of January 3-5, 1982 , 1983 .

[22]  C. F. Lee,et al.  Frequency–volume relation and prediction of rainfall-induced landslides , 2001 .

[23]  D. Cruden.  A simple definition of a landslide , 1991 .

[24]  R. W. Fleming,et al.  Economic Losses and Fatalities Due to Landslides , 1986 .

[25]  W. M. Brown,et al.  Real-Time Landslide Warning During Heavy Rainfall , 1987, Science.

[26]  Oldrich Hungr,et al.  A model for the runout analysis of rapid flow slides, debris flows, and avalanches , 1995 .

[27]  William J. Kockelman,et al.  Some Techniques for Reducing Landslide Hazards , 1986 .

[28]  N. Caine,et al.  The Rainfall Intensity - Duration Control of Shallow Landslides and Debris Flows , 1980 .

[29]  J. N. Hutchinson,et al.  Ring shear tests on soil from the Vaiont landslide slip surface , 1999 .

[30]  L. J. L. Lemos,et al.  Displacements of Slopes Under Earthquake Loading , 1991 .

[31]  G. Wieczorek,et al.  Rainfall Thresholds for the Initiation of Debris Flows at La Honda, California , 1995 .

[32]  Wang Shumin,et al.  Landslide Hazards and Their Mitigation in China , 1992 .

[33]  R. W. Fleming,et al.  Transformation of dilative and contractive landslide debris into debris flows-An example from marin County, California , 1989 .

[34]  Yasushi Yamaguchi,et al.  Detection of Landslide Areas Using Satellite Radar Interferometry , 2000 .

[35]  John E. Costa,et al.  Debris Flows/Avalanches: Process, Recognition, and Mitigation , 1987 .

[36]  Russell H. Campbell,et al.  Preparation and Use of Isopleth Maps of Landslide Deposits , 1974 .

[37]  C. Chung,et al.  Probabilistic prediction models for landslide hazard mapping , 1999 .

[38]  Sijing Wang,et al.  Stress–strain behaviour of a loosely compacted volcanic-derived soil and its significance to rainfall-induced fill slope failures , 1999 .

[39]  Adrian E. Scheidegger,et al.  On the prediction of the reach and velocity of catastrophic landslides , 1973 .

[40]  R. Fell.  Landslide risk assessment and acceptable risk , 1994 .

[41]  Theo van Asch,et al.  Deterministic Modelling in Gis-Based Landslide Hazard Assessment , 1995 .

[42]  M. Terlien,et al.  Prediction of the occurrence of slope instability phenomenal through GIS-based hazard zonation , 1997 .

[43]  B. Voight,et al.  Continuum simulation of flow failures , 1991 .

[44]  Richard Dikau,et al.  Databases and GIS for landslide research in Europe , 1996 .

[45]  William Z. Savage,et al.  A Mass-Change Model for the Estimation of Debris-Flow Runout , 1988, The Journal of Geology.

[46]  Peter Lumb,et al.  Slope failures in Hong Kong , 1975, Quarterly Journal of Engineering Geology.

[47]  G. Wieczorek,et al.  Preparing a Detailed Landslide-Inventory Map for Hazard Evaluation and Reduction , 1984 .