New climate records from a peat bog show how two neighboring cultures responded differently to shifts in climate and ocean currents.
paleoclimatology & paleoceanography
Posted inScience Updates
Clues from the Sea Paint a Picture of Earth’s Water Cycle
New instrumentation and growing modeling needs in the Earth sciences are driving a renewed effort to compile and curate seawater oxygen isotope data in a centralized, accessible database.
Posted inNews
Cretaceous Charcoal Gives a Glimpse of Plant Evolution
New data from vegetal charcoal in northwest India supports the theory of paleowildfires as a global phenomenon and an evolutionary force for biodiversity.
Posted inFeatures
Incredible Journeys on the Crown of the Continent
Living in Geologic Time: The making, breaking, and backpacking of North America’s Continental Divide.
Posted inNews
Higher Sea Surface Temperatures Could Lead to a Weaker Monsoon
Most climate models predict that the South Asian monsoon will strengthen with climate change, but new research indicates warmer ocean temperatures may lead to a drier phenomenon.
Posted inNews
The Surprising Greenhouse Gas That Caused Volcanic Summer
Extended periods of volcanism known as flood basalt eruptions lead to volcanic winters, which are often followed by an extended period of warming. But it was more than just carbon dioxide that warmed the globe.
Posted inEditors' Highlights
What Caused the Open Habitat Transition in the West-Central U.S.?
Between 26-15 My ago, forests covering west-central North America gave way to open, grassy habitats. Now, oxygen isotope records suggest this shift is owed to drier winters and increased aridity.
Posted inENGAGE, News
Pequeños cambios climáticos podrían verse magnificados por procesos naturales
Un nuevo estudio utiliza técnicas de modelado para descubrir cómo pequeños incidentes de calentamiento pueden convertirse en eventos hipertermales que duran miles de años.
Posted inNews
Un nuevo modelo para un antiguo evento de extinción
Un modelo 3D del sistema Tierra incorpora variables como la temperatura y la sulfurización para aclarar el evento de extinción de finales del Pérmico.
Posted inFeatures
The Young Earth Under the Cool Sun
How did our planet avoid being frozen solid during the early days of our solar system?