What question did this study set out to answer?

Investigate the role of oceanic heat release and shoaling Atlantic water layers in driving sea-ice loss in the eastern Eurasian Basin.

April 7, 2017Science

Greater role for Atlantic inflows on sea-ice loss in the Eurasian Basin of the Arctic Ocean

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Authors

IPIgor V. PolyakovUniversity of Alaska Fairbanks APAndrey V. PnyushkovUniversity of Alaska Fairbanks MAMatthew B. AlkireWhitehead Institute for Biomedical Research

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Implication

Oceanographic analysis reveals shoaling Atlantic water reduces winter sea-ice formation in the eastern Eurasian Basin, indicating accelerating atlantification across the Arctic.

Key Points

Investigate the role of oceanic heat release and shoaling Atlantic water layers in driving sea-ice loss in the eastern Eurasian Basin.
Examined changes in the halocline, depth of the intermediate Atlantic Water layer, and winter ventilation rates across the Eurasian Basin.
Quantified the rate of ocean heat release inhibiting winter ice formation relative to atmospheric thermodynamic forcing.
Weakening haloclines and shoaling of the Atlantic Water layer substantially increased winter interior ventilation in the eastern Eurasian Basin, matching conditions in the western basin.
Enhanced oceanic heat release reduced winter sea-ice formation at a rate equivalent to losses from atmospheric thermodynamic forcing, accelerating regional atlantification.

Cite This Study

Polyakov et al. (2017) studied this question.

synapsesocial.com/papers/69fd19f2fbaadf2ddc5d0857 https://doi.org/10.1126/science.aai8204

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Implication

Oceanographic analysis reveals shoaling Atlantic water reduces winter sea-ice formation in the eastern Eurasian Basin, indicating accelerating atlantification across the Arctic.

Greater role for Atlantic inflows on sea-ice loss in the Eurasian Basin of the Arctic Ocean

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Key Points

Cite This Study

Greater role for Atlantic inflows on sea-ice loss in the Eurasian Basin of the Arctic Ocean

Discussion

Member takes

Implication

Key Points

Cite This Study

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