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Changing Climate Adaptation: Reforming Flood Management

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A shift in the average. If we fail to arrest greenhouse gas emissions... Dry. Wet ... Sea level last time temperatures were 4 to 6 degrees F warmer than today 16 feet ... – PowerPoint PPT presentation

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Title: Changing Climate Adaptation: Reforming Flood Management


1
Changing Climate Adaptation Reforming Flood
Management
  • Hurricane Science for Safety Leadership Forum
  • June 2009
  • Andrew Fahlund
  • Vice President for Conservation

2
Every watershed has an historic range of water
conditions
Dry
Wet
3
That range will increase with climate change
A shift in the average
Dry
Wet
More frequent and intense droughts
More frequent and intense storms
4
If we fail to arrest greenhouse gas emissions...
Dry
Wet
5
If we fail to arrest greenhouse gas emissions...
the extremes will become catastrophic.
Dry
Wet
6
So if the climate is changing, what can we do?
7
IGNORE!
8
MOVE!
9
ADAPT!
10
Levees, dams, and channels
11
Not very flexible
or effective.
12
Chesterfield Valley, MO
www.conservation.state.mo.us/conmag/2003/06/20.htm
13
Externalizing the cost of floodplain
development
causes flood damages to grow
14
Natural defenses are more flexible
and provide a wider array of benefits.
15
Levees should be a last line of defense.
16
Criss
17
Vehicles of Change?
  • National Flood Insurance Program
  • American Clean Energy and Security Act
  • American Recovery and Reinvestment Act
  • Water Resources Development Act
  • Farm Bill

18
(No Transcript)
19
Sea Level Rise
20
NFIP Reform
  • Keep out of the hurricane business!
  • Use climate models in all planning, including map
    revisions
  • Establish rates based on risk
  • Notify the public about residual risk behind
    levees and dams
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