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    Kober, Florian Hippe, Kristina Salcher, Bernhard Grischott, Reto Zurfluh, Raphael Hajdas, Irka Wacker, Lukas Christl, Marcus and Ivy-Ochs, Susan 2018. Postglacial to Holocene landscape evolution and process rates in steep alpine catchments. Earth Surface Processes and Landforms,

  • Print publication year: 2012
  • Online publication date: May 2013

7 - Risk assessments for debris flows



Increasingly, debris-flow hazard assessments based on largely arbitrary design return periods are being replaced by risk assessments because the inclusion of consequences is ultimately required for sound management decisions. A full quantitative risk assessment of debris flows requires high-quality and well-researched input parameters in order to obtain defensible results. It adds a degree of sophistication that may not be warranted for all applications because of its higher intensity of field and office effort. For high-consequence cases, however, it appears to be an indispensable tool. This chapter details methods that can be applied to assessing debris-flow risk to fixed developments as well as linear facilities, and highlights the various caveats associated with each method.

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