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Landslide Risk Assessments for Decision Making

Related Event

  • 2012 Understanding Risk Forum

Related Topics

  • Landslide
  • Risk Assessment
  • Remote Sensing and Earth Observation

Related Countries

  • Colombia
  • South Africa

Related Regions

  • Global
  • South America
  • Sub-Saharan Africa

Event Summary

Session Lead

  • Dr. Cees van Westen, University of Twente

Description

Landslides pose an increasing risk to many countries, closely related to both demographic pressures and territory mismanagement, such as illegal settlements, deforestation and lack of appropriate waste water management (c.f. UNISDR 2011)1. Sound landslide risk management is based on landslide risk assessments which provide critical information required to identify suitable strategies and mitigation measures. Such strategies, including but not limited to, the integration of landslide hazard zones into land use planning, structural measures to stabilize slopes, development of drainage systems or establishment of early-warning systems, are all critically dependent on reliable information. However, the complexities associated with gathering this information, that is the characterization of slope instabilities, or the prediction of potential slope failures, for instance, present broad challenges.

This session will present several cases in which landslide risk assessments have been carried out to inform risk management strategies, and the associated challenges throughout the risk analysis, interpretation and decision-making process.

Session Resources

  • Community-Based Landslide Risk Reduction: Evidence and Challenges
  • Providing Landslide Information for Decision-Making in Regional Planning
  • An Overview of Landslide Occurrence, Inventorization and Susceptibility Mapping in South Africa
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