Erosion in the Beaufort Sea Coastline

  • Released Wednesday, May 6, 2026
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For the past 40 years, the coastline of Alaska’s Beaufort Sea has been retreating. This time series uses near-infrared imagery to contrast land and water, highlighting how thawing permafrost and longer ice-free seasons have accelerated coastal erosion, reshaping the Arctic landscape.

An near-infrared-color Landsat time series of Alaska’s Beaufort Sea coastline, spanning 1985 to 2024, showing coastal erosion and changes to the shoreline over time.

Credits

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NASA's Goddard Space Flight Center

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Datasets used

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This page was originally published on Wednesday, May 6, 2026.
This page was last updated on Wednesday, May 6, 2026 at 3:46 PM EDT.