Landslides/landslide Mitigation

Landslides/landslide Mitigation
Author: James E. Slosson
Publisher: Geological Society of America
Total Pages: 126
Release: 1992
Genre: Technology & Engineering
ISBN: 0813741092

This book provides a variety of case histories; methods to identify, quantify, and mitigate landslides; and recent legal cases affecting engineering geology.

Partnerships for Reducing Landslide Risk

Partnerships for Reducing Landslide Risk
Author: National Research Council
Publisher: National Academies Press
Total Pages: 143
Release: 2004-03-15
Genre: Science
ISBN: 0309166322

Landslides occur in all geographic regions of the nation in response to a wide range of conditions and triggering processes that include storms, earthquakes, and human activities. Landslides in the United States result in an estimated average of 25 to 50 deaths annually and cost $1 to 3 billion per year. In addition to direct losses, landslides also cause significant environmental damage and societal disruption. Partnerships for Reducing Landslide Risk reviews the U.S. Geological Survey's (USGS)National Landslide Hazards Mitigation Strategy, which was created in response to a congressional directive for a national approach to reducing losses from landslides. Components of the strategy include basic research activities, improved public policy measures, and enhanced mitigation of landslides. This report commends the USGS for creating a national approach based on partnerships with federal, state, local, and non-governmental entities, and finds that the plan components are the essential elements of a national strategy. Partnerships for Reducing Landslide Risk recommends that the plan should promote the use of risk analysis techniques, and should play a vital role in evaluating methods, setting standards, and advancing procedures and guidelines for landslide hazard maps and assessments. This report suggests that substantially increased funding will be required to implement a national landslide mitigation program, and that as part of a 10-year program the funding mix should transition from research and guideline development to partnership-based implementation of loss reduction measures.

Soil Slips, Debris Flows, and Rainstorms in the Santa Monica Mountains and Vicinity, Southern California

Soil Slips, Debris Flows, and Rainstorms in the Santa Monica Mountains and Vicinity, Southern California
Author: Russell H. Campbell
Publisher:
Total Pages: 60
Release: 1975
Genre: Debris avalanches
ISBN:

Southern California residents have suffered death, injury, and property damage from debris flows generated by soil slips that occur during heary rains; the process is a recurring major natural geomorphic agent in the region. Defenses and warning are possible but require special engineering and procedures.

Landslide Hazard Modeling in Ventura and Santa Barbara Counties, California Using Multi-tiered Geospatial Data Analysis

Landslide Hazard Modeling in Ventura and Santa Barbara Counties, California Using Multi-tiered Geospatial Data Analysis
Author: Reni Bibriven Lila
Publisher:
Total Pages: 260
Release: 2018
Genre: Geographic information systems
ISBN:

Population growth and sprawling urbanization have resulted in higher perturbations of susceptible landscapes and more people and infrastructure exposed to hazardous landslides in southern California. This, in turn, has resulted in an increase in both frequency and magnitude of landslide disasters in the region. Landslides impact thousands of people and damage billions of dollars of infrastructure each year. Mitigation and response to these disasters can be difficult and expensive especially when reliable, high-resolution risk and hazard exposure maps are rarely available to local planners and managers at scales that can be efficiently utilized for local decision-making. Several methods for assessing landslide hazards have been proposed and implemented over the years. However, a portable, high-resolution method of assessing and visualizing landslide risk and hazard exposure remains elusive. This research provides a two-step method, enabled by geographic information systems (GIS) and multi-criteria quantitative analysis, to produce a high-resolution spatial analysis of both geophysical landslide risk and landslide hazard exposure for the built environment. Phase I of this study develops and deploys a GIS-based method for landslide risk assessment using selected geophysical attributes, including past landslide and wildfire experience, to model landslide risk within the study area of Ventura County and Santa Barbara County, California. Phase II leverages the high-resolution quantitative risk results from Phase I to develop a landslide hazard exposure model that illustrates the likelihood of landslides interacting with features of the built environment within the study area. The resulting hazard exposure model provides a reliable, efficient ranking of potential landslide hazard exposure for each building parcel within the study area based on the integrated geophysical risk model, the geomorphological attributes of the study area and the spatial density of the built environment. This research demonstrates that, by leveraging a multi-tiered modeling process that involved both primary and secondary data, Geoscientists and hazards managers can develop high-resolution landslide risk and hazard assessments suitable for land-use and settlement planning at the local scale. In applying this approach, hazard exposure mapping can play a renewed role in assessing areas with high landslide hazards and helping mitigate the associated risks.