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Terrain Analysis on the Arctic Coastal Plain, Northern Alaska Chuck Abolt November 20, 2014 GIS in Water Resources.

Published byDarren Lawson Modified over 9 years ago

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Presentation on theme: "Terrain Analysis on the Arctic Coastal Plain, Northern Alaska Chuck Abolt November 20, 2014 GIS in Water Resources."— Presentation transcript:

1 Terrain Analysis on the Arctic Coastal Plain, Northern Alaska Chuck Abolt November 20, 2014 GIS in Water Resources

2 Background The Alaska North Slope is flat and marshy Location of largest oil field in United States Great Bear Petroleum is interested in area UT-BEG hired to fly LiDAR survey in 2012

3 DEM and Stream Basins

4 Ice Wedge Polygons Low-Centered High-Centered http://www.awi.de/fileadmin/user_upload/News/Press_Rel eases/2009/4._Quartal/Eispolygone_KPiel_w.jpg http://permafrost.gi.alaska.edu/photos/image/85

5 Ice Wedge Polygons http://www.page21.eu/gallery/fieldstations2012

6 Ice Wedge Polygons

7

8 Generation of 50 cm DEM

9 Model of Polygon Evolution Best fit D = 0.038 – 0.050 m 2 yr -1 Best fit trough incision depth = 25-29 cm

10 Model of Polygon Evolution

11 Changes in Pond Areas and ET

12 Thank you! David Maidment Michael Young, Todd Caldwell, Toti Larson Kutalmis Saylam, Jeff Paine, Aaron Averett, John Andrews Great Bear Petroleum, LLC Questions?

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