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Kenai Peninsula Coastal Erosion Studies Steve Baird, KBRR Dr. Tom Ravens, UAA Erin Eggleston, UAA Dr. Orson Smith, UAA Gary Williams, KPB.

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Presentation on theme: "Kenai Peninsula Coastal Erosion Studies Steve Baird, KBRR Dr. Tom Ravens, UAA Erin Eggleston, UAA Dr. Orson Smith, UAA Gary Williams, KPB."— Presentation transcript:

1 Kenai Peninsula Coastal Erosion Studies Steve Baird, KBRR Dr. Tom Ravens, UAA Erin Eggleston, UAA Dr. Orson Smith, UAA Gary Williams, KPB

2 Shoreline Change Goal: Use a series of complete sets of aerial photos from different years to assess shoreline change (especially bluff erosion). Rectify aerial photos Create lines showing bluff edges or shorelines Measure erosion rates

3 Study Area Homer: ~9 miles KPB: ~86 miles

4 Study Area Homer: ~9 miles KPB: ~86 miles

5 Rectify photos The Process: Draw shorelines Draw transects

6

7 Overall average annual erosion: 1 ft / year (2.3 ft / year for Homer)

8 A) 2004 Aerial Image B) 1996 Aerial Image


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