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Project ID: 03-1-4-14

Year: 2003

Date Started: 09/24/2003

Date Completed: 05/03/2006

Title: Evaluation of Post-Wildfire Debris Flow Mitigation Methods and Development of Decision-Support Tools

Project Proposal Abstract: The production of debris flows can be one of the most hazardous consequences of wildfires in the urban/wildland interface. Debris flows can occur with little warning, are capable of transporting large material over relatively gentle gradients, and may develop momentum and impact forces that cause considerable destruction to structures at risk. Although substantial resources are expended to mitigate the potential for these destructive events after fires, little is known about what mitigation approaches are most effective, and under what conditions varying approaches may be appropriate. The purpose of this study is to evaluate the effectiveness of existing approaches used to mitigate the hazards posed by post-wildfire debris flows, and to provide guidelines for the selection of appropriate designs based on parameters easily defined after wildfires. These objectives will directly address some of the needs outlined in Task 4 (Emergency Stabilization, Rehabilitation, and Restoration) of the Announcement for Proposals. The objectives will be accomplished by reviewing technical literature and agency files, interviewing emergency response personnel, and conducting detailed field evaluation of watershed characteristics and responses to wildfire and rainfall. From this data, the conditions under which various methods are effective will be identified and both rapid and long-term response tools will be developed.

Principal Investigator: Paul M. Santi

Agency/Organization: Colorado School of Mines

Branch or Dept: Department of Geology & Geological Engineering

Other Project Collaborators

Type	Name	Agency/Organization	Branch or Dept
Co-Principal Investigator	Jerome V. DeGraff	Forest Service	Sierra National Forest
Co-Principal Investigator	Jerry D. Higgins	Colorado School of Mines	Department of Geology & Geological Engineering
Federal Cooperator	Susan H. Cannon	USGS-Geological Survey	Geologic Hazards Team-CO School of Mines

Project Locations

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Project Deliverables

Final Report ("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

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Supporting Documents

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Brief

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