The Montreal Protocol has unintentionally slowed global warming and pushed back the first ice-free Arctic summer by 15 years, according to new research.
Arctic Ocean
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The Bering Land Bridge Formed Much Later Than Previously Thought
New research reconstructs the Bering Strait’s flooding history, raising surprising questions about human migration and how ice sheets form.
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Underwater Sounds Help Reveal Extent of Glacial Calving
If a glacier calves into the Arctic Ocean, does it make a sound? Some scientists say yes and have devised a clever way to use those sounds to calculate the size of the fallen ice chunks.
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Melting Sea Ice May Mean the End of Driftwood in Iceland
Driftwood floats thousands of kilometers from Siberia to Iceland, but it may drift no longer by 2060 due to climate change.
Posted inEditors' Highlights
Satellites Remotely Measure Ocean Waves and Sea Ice Interactions
A new method for using satellite observations from multiple sensors improves measurements of ocean waves as they propagate through and interact with sea ice.
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Arctic Shipping Routes Are Feeling the Heat
Climate science and the global shipping industry collide in an ice-poor Arctic.
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Algal Mats May Be a Key to the Arctic Food Web
Melt ponds in sea ice have thriving algal communities with startlingly high levels of photosynthetic activity.
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Groundwater Flow May Contribute to Submarine Permafrost Thaw
New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.
Posted inEditors' Highlights
Arctic Sea Ice is Crucial for Forecasting Ural Blocking
By solving the nonlinear optimization problem, sea ice concentration in Greenland, Barents and Okhotsk Seas is found crucial for prediction of strong and long-lasting Ural blocking formation.
Posted inEditors' Vox
Tracking Heat Gains and Losses in the Nordic Seas
The Nordic Seas experience influxes of warm water and losses of heat to the atmosphere with knock-on effects on sea ice, glacier retreat, and carbon dioxide uptake.