kenai peninsula coastal erosion studies steve baird, kbrr dr. tom ravens, uaa erin eggleston, uaa...
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Kenai Peninsula Coastal Erosion Studies
Steve Baird, KBRRDr. Tom Ravens, UAAErin Eggleston, UAADr. Orson Smith, UAAGary Williams, KPB
Shoreline ChangeGoal: 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
Study Area
•Homer: ~9 miles•KPB: ~86 miles
Study Area
•Homer: ~9 miles•KPB: ~86 miles
• Rectify photos
The Process:
• Draw shorelines
• Draw transects
Overall average annual erosion:1 ft / year(2.3 ft / year for Homer)
A) 2004 Aerial Image B) 1996 Aerial Image