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.
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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.
Posted inAGU News
Preserving Corals to Study the Past and Document the Present
Corals hold valuable hints about our planet’s climate history, and they’re continuing to document today’s changing ocean. Scientists are working to preserve and protect these reefs of evidence.
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When a Prayer Is Also a Climate Signal
New research in North Africa is validating calls for communal rain prayers as a means of tracking droughts in the region.
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Grandes Sequias Coincidieron con el Colapso Maya Clásico
El entendimiento de cómo las ciudades individuales respondieron al estrés climático ayudará a crear imágenes holísticas de cómo estas sociedades funcionaban.
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An Asteroid Impact May Have Led to Flooding near the Grand Canyon
There’s remarkable synchronicity between the timing of a paleolake in what is today Grand Canyon National Park and the formation of nearby Barringer Meteorite Crater.
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Major Droughts Coincided with Classic Maya Collapse
Understanding how individual cities responded to climate stress will help create holistic pictures of how these societies functioned.
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Fossilized Micrometeorites Record Ancient CO2 Levels
A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet’s atmosphere when they fell to Earth millions of years ago.
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Arctic Ice Shelf Theory Challenged by Ancient Algae
Chemical signatures of marine organisms reveal that seasonal sea ice, not a massive ice shelf, persisted in the southern Arctic Ocean for 750,000 years.
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Coral Cores Pinpoint Onset of Industrial Deforestation
Trace elements in coral reefs provide a timeline of how Borneo’s rainforests have been altered by industry.