Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Cedar and Paradise Fires of 2003, Southern CaliforniaEntry ID: USGS_OFR_2004_1011
Abstract: These maps present preliminary assessments of the probability of debris-flow
activity and estimates of peak discharges that can potentially be generated by
debris flows issuing from basins burned by the Cedar and Paradise Fires of
October 2003 in southern California in response to 25-year, 10-year, and 2-year
recurrence, 1-hour duration rain storms. The probability maps are based on the
... application of a logistic multiple regression model that describes the percent
chance of debris-flow production from an individual basin as a function of
burned extent, soil properties, basin gradients, and storm rainfall. The
peak-discharge maps are based on application of a multiple-regression model
that can be used to estimate debris-flow peak discharge at a basin outlet as a
function of basin gradient, burn extent, and storm rainfall. Probabilities of
debris-flow occurrence for the Cedar Fire range between 0 and 98% and estimates
of debris-flow peak discharges range between 893 and 5,987 ft3/s (25 to 170
m3/s). Basins burned by the Paradise Fire show probabilities for debris-flow
occurrence between 2 and 98%, and peak discharge estimates between 1,814 and
5,980 ft3/s (51 and 169 m3/s). These maps are intended to identify those basins
that are most prone to the largest debris-flow events and provide critical
information for the preliminary design of mitigation measures and for the
planning of evacuation timing and routes.
[Summary provided by the USGS.]
Data Set Citation
Dataset Originator/Creator: Susan H. Cannon, Joseph E. Gartner, Michael G. Rupert, and John A. Michael
Dataset Title: Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Cedar and Paradise Fires of 2003, Southern California
Dataset Series Name: U.S. Geological Survey Open-File Report
Dataset Release Date: 2004
Dataset Release Place: Denver, CO
Dataset Publisher: U.S. Geological Survey
Data Presentation Form: Maps, tablesOnline Resource: http://pubs.usgs.gov/of/2004/1011/
AGRICULTURE > FOREST SCIENCE > FOREST FIRE SCIENCE
AGRICULTURE > SOILS
ATMOSPHERE > ATMOSPHERIC PHENOMENA > STORMS > RAIN STORMS
ATMOSPHERE > PRECIPITATION > RAIN > RAINFALL AMOUNT
HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT > LAND MANAGEMENT
HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT > LAND MANAGEMENT > LAND USE CLASSES
HUMAN DIMENSIONS > NATURAL HAZARDS > WILDFIRES > FOREST FIRES
HUMAN DIMENSIONS > NATURAL HAZARDS > FLOODS > DEBRIS FLOW
TERRESTRIAL HYDROSPHERE > SURFACE WATER > DISCHARGE/FLOW
TERRESTRIAL HYDROSPHERE > SURFACE WATER > DRAINAGE
TERRESTRIAL HYDROSPHERE > SURFACE WATER > FLOODS
TERRESTRIAL HYDROSPHERE > SURFACE WATER > HYDROPATTERN
TERRESTRIAL HYDROSPHERE > SURFACE WATER > LAKES
TERRESTRIAL HYDROSPHERE > SURFACE WATER > RIVERS/STREAMS
TERRESTRIAL HYDROSPHERE > SURFACE WATER > RUNOFF
TERRESTRIAL HYDROSPHERE > SURFACE WATER > TOTAL SURFACE WATER
TERRESTRIAL HYDROSPHERE > SURFACE WATER > WATER CHANNELS
TERRESTRIAL HYDROSPHERE > SURFACE WATER > WETLANDS
LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENT TRANSPORT > DEBRIS FLOW
LAND SURFACE > LAND USE/LAND COVER > LAND COVER
LAND SURFACE > LAND USE/LAND COVER > LAND PRODUCTIVITY
LAND SURFACE > LAND USE/LAND COVER > LAND RESOURCES
LAND SURFACE > LAND USE/LAND COVER > LAND USE CLASSES
LAND SURFACE > SOILS
BIOSPHERE > ECOLOGICAL DYNAMICS > FIRE ECOLOGY > FIRE DYNAMICS
BIOSPHERE > ECOLOGICAL DYNAMICS > FIRE ECOLOGY > FIRE OCCURRENCE
ISO Topic Category
Access Constraints None
Data Set Progress
Distribution Media: Online
Fees: No fees
Role: DIF AUTHOR
Role: TECHNICAL CONTACT
Email: cannon at usgs.gov
U.S. Geological Survey DFC, MS 966
Province or State: CO
Postal Code: 80225
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Creation and Review Dates
DIF Creation Date: 2004-08-27
Last DIF Revision Date: 2008-05-30