Unusually warm ocean waters can amplify extreme rainfall in downwind areas, leaving coastal communities—especially those in developing countries—at risk.
Oceans
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With the Ocean Included, the Social Cost of Carbon Doubles
A new calculation includes ocean ecosystems when assessing the monetary impact of climate change.
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Sediments Offer an Extended History of Fast Ice
Scientists used sediments to create a millennia-long archive of Antarctic fast ice. Along the way, they discovered that the freezing and thawing of this enigmatic ice appear to be linked to solar cycles.
Posted inEditors' Highlights
Monitoring Ocean Color From Deep Space: A TEMPO Study
Scientists apply machine learning to demonstrate that geosynchronous satellites can be used to assess the health of oceans from deep space.
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The AMOC of the Ice Age Was Warmer Than Once Thought
An analysis of sediment cores indicates that North Atlantic waters were relatively warm and continued to circulate even under major climate stress during the Last Glacial Maximum.
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Snowball Earth’s Liquid Seas Dipped Way Below Freezing
Iron isotopes show that salty seawater pockets beneath the ice were as cold as −15°C.
Posted inEditors' Vox
Tsunamis from the Sky
Not all tsunamis come from the seafloor, some are triggered by the atmosphere, driven by fast-moving storms and pressure waves, and can strike coasts with little warning.
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A Mid-Ocean Ridge in the Norwegian Sea Pumps Out Hydrogen
Vent fluids collected from the Knipovich Ridge contain unexpectedly high concentrations of hydrogen, potentially produced by the degradation of organic matter.
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Coral Diversity Drops as Ocean Acidifies
As seawater becomes steadily more acidic, complex branching corals die off and are replaced with hard boulder corals and algae.
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How the Rise of a Salty Blob Led to the Fall of the Last Ice Age
Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.