Articles | Volume 24, issue 6
https://doi.org/10.5194/nhess-24-2093-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-24-2093-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Jun 2024
Research article |
| 28 Jun 2024
| 28 Jun 2024
Evaluating post-wildfire debris-flow rainfall thresholds and volume models at the 2020 Grizzly Creek Fire in Glenwood Canyon, Colorado, USA
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Samuel Bower
Department of Geology and Geography, West Virginia University, Morgantown, WV 26506, USA
Andrew Knapp
Colorado Department of Transportation, Denver, CO 80204, USA
Jason W. Kean
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Danielle W. vonLembke
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Matthew A. Thomas
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Jaime Kostelnik
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Katherine R. Barnhart
Landslide Hazards Program, U.S. Geological Survey, Golden, CO 80401, USA
Matthew Bethel
Merrick and Company, Greenwood Village, CO 80111, USA
Joseph E. Gartner
BGC Engineering, Inc., Golden, CO 80401, USA
Madeline Hille
BGC Engineering, Inc., Golden, CO 80401, USA
Dennis M. Staley
Landslide Hazards Program, U.S. Geological Survey, Anchorage, AK 99508, USA
Justin K. Anderson
Tongass National Forest, U.S. Forest Service, Petersburg, AK 99833, USA
Elizabeth K. Roberts
White River National Forest, U.S. Forest Service, Glenwood Springs, CO 81601, USA
Stephen B. DeLong
Earthquake Hazards Program, U.S. Geological Survey, Moffett Field, CA 94043, USA
Belize Lane
Dept. of Civil and Environmental Engineering, Utah State University, Logan, UT 84322, USA
Paxton Ridgway
Dept. of Civil and Environmental Engineering, Utah State University, Logan, UT 84322, USA
Brendan P. Murphy
School of Environmental Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada
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Cited
5 citations as recorded by crossref.
- Assessment of western Oregon debris‐flow hazards in burned and unburned environments B. Selander et al. 10.1002/esp.70045
- Rainfall as a driver of post-wildfire flooding and debris flows: A review and synthesis N. Collar et al. 10.1016/j.earscirev.2024.104990
- Overview of the first fatal post-fire debris flow event recorded in Italy G. Esposito & S. Gariano 10.1007/s10346-025-02516-9
- Rainfall intensification amplifies exposure of American Southwest to conditions that trigger postfire debris flows M. Thomas et al. 10.1038/s44304-024-00017-8
- Wildfire, extreme precipitation and debris flows, oh my! Channel response to compounding disturbances in a mountain stream in the Upper Colorado Basin, USA P. Ridgway et al. 10.1002/esp.5942
3 citations as recorded by crossref.
- Assessment of western Oregon debris‐flow hazards in burned and unburned environments B. Selander et al. 10.1002/esp.70045
- Rainfall as a driver of post-wildfire flooding and debris flows: A review and synthesis N. Collar et al. 10.1016/j.earscirev.2024.104990
- Overview of the first fatal post-fire debris flow event recorded in Italy G. Esposito & S. Gariano 10.1007/s10346-025-02516-9
2 citations as recorded by crossref.
- Rainfall intensification amplifies exposure of American Southwest to conditions that trigger postfire debris flows M. Thomas et al. 10.1038/s44304-024-00017-8
- Wildfire, extreme precipitation and debris flows, oh my! Channel response to compounding disturbances in a mountain stream in the Upper Colorado Basin, USA P. Ridgway et al. 10.1002/esp.5942
Latest update: 23 Apr 2025
Short summary
Every year the U.S. Geological Survey produces 50–100 postfire debris-flow hazard assessments using models for debris-flow likelihood and volume. To refine these models they must be tested with datasets that clearly document rainfall, debris-flow response, and debris-flow volume. These datasets are difficult to obtain, but this study developed and analyzed a postfire dataset with more than 100 postfire storm responses over a 2-year period. We also proposed ways to improve these models.
Every year the U.S. Geological Survey produces 50–100 postfire debris-flow hazard assessments...
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