After the Wildfire - PowerPoint PPT Presentation

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After the Wildfire

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Wildfire. First of an often dual natural disaster. 2003 Old-Grand Prix ... Relationship between wildfire and flooding in southern California recognized by 1930 ... – PowerPoint PPT presentation

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Title: After the Wildfire


1
After the Wildfire
  • Jerome V. De Graff
  • Geologist
  • USDA Forest Service

2
First of an often dual natural disaster
2003 Old-Grand Prix Fires
3
Waterman Canyon, CA 2003
When seasonal rainfall comes, debris flows may
occur.
Santaquin, UT 2001
4
The Southern California Fire-Flood Sequence
  • Relationship between wildfire and flooding in
    southern California recognized by 1930
  • By 1950s, field studies showed that some flood
    events were actually debris flows
  • Now known this takes place in many parts of the
    western United States

5
Burned Area Emergency Response (BAER)
BAER teams rapidly assess emergency situations
based on the effect of vegetation loss in burned
watersheds and values-at-risk
San Bernardino, Calif.
6
Burned Area Emergency Response Objectives
  • Minimize threats to human life and property,
    onsite and off-site
  • Minimize loss of soil and onsite productivity
  • Minimize loss of water control and deterioration
    of water quality

7
Urban growth places many more people, homes, and
other property next to National Forests. This is
the Wildland-Urban Interface.
From Chourre, M. Wright, S., 2006
8
Past Fire Suppression Policies Increased Fuel
Loads
9
Hayman Fire, 2002
Mollie Fire, 2001
Biscuit Complex Fire (OR), 2002
Waterfall Fire, 2004
Old Grand Prix Fires, 2003
Cerro Grande Fire, 2000
Rodeo-Chedeski, 2002
Cedar Fire,2003
10
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