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News Release 15-144
Low-oxygen 'dead zones' in North Pacific linked to past ocean warming
Large-scale warming events 10,000-plus years ago triggered loss of oxygen
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Scientists obtain ocean salinity and temperature readings near Hubbard Glacier, Alaska.
Credit: SE Alaska Scientific Party
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Alaskan glaciers on-the-move: here, Hubbard Glacier during a calving event.
Credit: SE Alaska Scientific Party
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Chief scientist Alan Mix aboard the research vessel Maurice Ewing off coastal Alaska.
Credit: SE Alaska Scientific Party
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Split sediment cores from offshore Alaska showing green-laminated, diatom-rich layers.
Credit: SE Alaska Scientific Party
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Microscope image of sediment laden with diatoms, indicating an environment conducive to dead zones.
Credit: Cristina Lopes
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Researcher Summer Praetorius peers into records of past ocean dead zones for a look at the future.
Credit: Alan Mix
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