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Finding Hidden Shoals on the North Slope

By analyzing satellite images of sediments, coastal researchers and cartographers can identify potential shallows, shoals, and shipping hazards.

This image originally appeared in the NASA Earth Observatory story Finding Hidden Shoals on the North Slope.

NASA Earth Observatory images by Jesse Allen, using Landsat data from the U.S. Geological Survey. Navigation map courtesy of NOAA Office of Coast Survey. Caption by Laura Rocchio, NASA Landsat Communication and Public Engagement Team.

Published September 17, 2015
Data acquired September 6, 2014

Sources:: Landsat 8 > OLI; OrbView-2 > SeaWiFS