A new modeling study shows that to accurately interpret data derived from an iconic proxy of past Atlantic overturning strength, we must consider the complex factors governing the proxy systematics.
paleoclimatology & paleoceanography
Posted inOpinions
The Valuable, Vulnerable, Long Tail of Earth Science Databases
Community-curated data resources in the Earth sciences, highly valuable but systematically underfunded, are vital to research on a changing planet.
Posted inNews
How Do You Make Earth into an Icehouse?
A new model accurately reconstructs Earth’s past icehouses and indicates there’s no one driver behind them.
Posted inNews
Tiny Icequakes Ripple Through Greenland’s Largest Ice Stream
Seismologists made an accidental discovery on the Northeast Greenland Ice Stream, changing the way glaciologists understand how ice moves.
Posted inOpinions
Expedition 403: Sailing the Last Expedition of the JOIDES Resolution
Early-career geoscientists share melancholy memories about hard science and intangible networks of collaboration.
Posted inENGAGE, News
Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano
Dating a late Pleistocene eruption has big implications for understanding the Younger Dryas—and current climate change.
Posted inResearch Spotlights
Ancient Climate Reconstruction Links Past and Future
A new map of climate conditions during the Pliocene epoch—the last time Earth’s carbon dioxide concentrations hit 400 parts per million—could offer clues about possible climatic changes in store for the 21st century.
Posted inAGU News
A Planetary Perturbation Like No Other
Scientists are tackling “the most profound questions about life itself” with complex computer modeling, billion-year-old bacteria, and old-fashioned fieldwork.
Posted inNews
Mantle Motion Matters for Mapping Modern (and Ancient) Ice
Mantle motions have major effects on topography and the distribution of ice sheets. The motions are key for researchers trying to properly parse past mantle movement.
Posted inResearch Spotlights
Getting to the Bottom of Cenozoic Deep-Ocean Temperatures
Reconstructing past ocean conditions with oxygen isotopes could provide more information about how Earth’s climate evolved over time, but methods for reconstructing these data can yield varying results.