Projected changes to El Niño will likely accelerate warming of the deep oceans around the Antarctic, supplying heat that could drive ice loss and sea level rise.
glaciers & ice sheets
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Glacial Lakes Can Unleash Deadly Deluges. How Risky Are They?
Breaches in glacial lake dams threaten millions around the world, and scientists are investigating how climate change might affect that risk.
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Ice Cores Record Long-Ago Seasons in Antarctica
Researchers used ice core data to reconstruct seasonal temperatures throughout the Holocene. The results link especially hot summers with patterns in Earth’s orbit.
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“Icefin” Investigates a Glacial Underbelly
An instrument-laden submersible reveals where—and how rapidly—the Antarctic glacier is melting.
Posted inEditors' Highlights
Artificial Lake-Level Lowering Alleviates Floods in the Himalayas
A new model combining future permafrost degradation and related avalanches demonstrates that artificial lake-lowering could significantly reduce the risk of glacial lake outburst floods.
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Lakes Can Change How Glaciers Move
Lakes forming from melted ice can have a big effect on their parent glacier, and more of these bodies of water are appearing under warming conditions.
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How Wine’s Origin Was Shaped by the Last Glacial Maximum
The harsh climate of the ice age influenced grapevine cultivation at the dawn of agriculture.
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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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How Animals May Have Conquered Snowball Earth
We know there were animals during Earth’s chilliest era. The question is, What did they look like?
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Glacial Ice Offers Polar Bears a Precarious Climate Refuge
An isolated polar bear population in southeastern Greenland survives in fjords, despite spotty sea ice. But this pocket of bears is not a sign of how the species could be saved.