More formaldehyde rained down in places that were already wet and favorable for prebiotic chemistry.
Modeling
Posted inResearch Spotlights
Using Machine Learning Techniques for Polar Vortex Predictions
A new model accurately reproduces aspects of polar vortex behavior, extracting indicators of imminent vortex collapse and accompanying frigid weather in North America and Europe.
Posted inEditors' Highlights
Equatorial Pacific Warming Pattern Mitigated by Slow Ocean Adjustment
Model simulations under an abrupt 4x CO2 scenario reveal that initially enhanced gradients in sea surface temperature under global warming are then mitigated by circulation changes.
Posted inResearch Spotlights
The Ambiguous Costs of Climate Change
To put a price tag on climate change, some approaches focus on whether it made an event more likely, whereas others focus on whether it made an event more severe and damaging. A new study examines the validity of both approaches.
Posted inResearch Spotlights
The Ocean Circulation That Persists Even After a Key AMOC Component Fails
A new study suggests cross-hemispheric overturning circulation could continue for centuries, even as North Atlantic Deep Water formation shuts down.
Posted inScience Updates
Reliable AI Sea Ice Forecasts Depend on Sustained Observations
Sea ice is a fundamental regulator of Earth’s climate and an increasingly urgent forecast target itself. Can we trust the AI systems now being built to predict it?
Posted inResearch Spotlights
Scientists Zero In on Tiny Particles to Improve Weather and Air Quality Forecasts
A new method for handling satellite aerosol observations boosts simulation accuracy, with potential benefits for weather and climate forecasting.
Posted inEditors' Highlights
Reducing Uncertainty in Groundwater Models Using Airborne Geophysics
Scientists present a probabilistic framework for exploiting airborne geophysical data for groundwater model parameterization and apply it to the Scott River aquifer system in Northern California.
Posted inEditors' Highlights
“Young Get Older, but Old Get Younger”: Counterintuitive Ocean Waters
Warming surface waters and increased stratification result in uneven loss of dissolved oxygen across the Pacific basin that shifts water mass age.
Posted inResearch Spotlights
In Alaska, Wildfires Help Prevent Future Burns. Will That Feedback Loop Hold?
Without the suppressive effects of younger vegetation, Alaskan fire activity would be 5 times higher.