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.
paleoclimatology & paleoceanography
Posted inScience Updates
Un repositorio de núcleos de coral diseñado para la transparencia y accesibilidad
CoralCT archiva datos originales y procesados de núcleos de corales y arrecifes, preservando información valiosa sobre cómo los corales responden a cambios medioambientales.
Posted inNews
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.
Posted inNews
Cave Deposits Reveal a Permafrost-Free Arctic
Mineral cave deposits from northern Siberia show that the region was permafrost free during the late Miocene period, when Earth was warmer than today.
Posted inScience Updates
Finding Consensus on Arctic Ocean Climate History
Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.
Posted inScience Updates
A Coral Core Archive Designed for Transparency and Accessibility
CoralCT archives raw and processed data from coral and reef core samples, preserving valuable insights into how corals respond to environmental changes.
Posted inResearch Spotlights
Early Apes Evolved in Tropical Forests Disturbed by Fires and Volcanoes
Fossils discovered at an early Miocene site in Kenya include a new type of early ape and offer clues about the environment inhabited by human ancestors.
Posted inResearch Spotlights
Mapping the Ocean Floor with Ancient Tides
A new study uses a paleotidal model to trace the formation of carbon-rich mud deposits over thousands of years.
Posted inResearch Spotlights
Modeling the Past, Present, and Future of Drought
A new study combines historical observations, climate modeling, and data from tree rings to create a fuller picture of historic as well as potential drought conditions.
Posted inResearch Spotlights
When Ice Ages End, Ocean Circulation Fine-Tunes Ocean Heat
New Antarctic ice core data bolster model predictions of ocean heat content during glacials and interglacials.