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July 2, 2015

USGS says coastal erosion threatens northern Alaska

  • A resident in one coastal village said summer shore ice used to buffer the waves but it is gone.
    • By RACHEL D'ORO
    Associated Press

    ANCHORAGE — Erosion is eating away at Alaska's northern coast at some of the highest rates in the nation, threatening habitat and infrastructure, according to a new report published Wednesday.

    The U.S. Geological Survey study looked at more than 50 years of data and found an average yearly shoreline change of 1.4 meters — or more than 4 1/2 feet — taking both beach erosion and expansion into account. Extreme cases showed an annual difference of more than 60 feet.


     
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