Energy and Environment

Alaska’s iceberg nursery failing, NOAA warns

By John Siciliano
Published May 9, 2018 8:22pm ET
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Alaska’s iceberg nursery failing, NOAA warns
In this photo taken May 14, 2009 and provided by the University of Washington, is the deployment of a hydrophone in Icy Bay, Alaska. Glaciologist Erin Pettit began a research project to find out what calving glacier ice sounded like to a humpback whale. The sound of the ice in the water turned out to be more interesting. Acoustic research in Alaska’s Icy Bay and other glacier ice-filled waters found that the fizz created by the release of air bubbles under high pressure makes fjords with glacier icebergs the noisiest places in the ocean. | (Jeffrey Nystuen/AP)

The iceberg nursery near Alaska is failing as warming temperatures have made it harder to churn out sea ice year after year, the federal government warned Wednesday.

The National Oceanic and Atmospheric Administration issued a new analysis with maps detailing how older Arctic sea ice is being lost north of Alaska and the likelihood that it will never be replaced.

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Arctic Climate Change NOAA