Small variations in clumped O2 isotopes reflect temperatures in the upper troposphere. Bubbles measured in polar ice cores show the global lapse-rate appears to steepen during the Last Glacial Maximum.
Paleoceanography and Paleoclimatology
Posted inEditors' Highlights
Unlocking Ultra-High-Resolution Paleothermometry from Sediments
Mass spectrometric imaging techniques used to extract micron-scale organic paleothermometry signatures from Arabian Sea sediments show that they skillfully reflect observations.
Posted inEditors' Highlights
How Hot Was the Summer of 1783 Really? Trees Tell Tales
Volcanoes, heat waves, and tree rings – getting the seasonal story straight – a new study finds that volcanic fog lowered summer tree ring density despite the heat.
Posted inEditors' Highlights
Finding the Right Words: A Common Language for Data Deposition
Discovering climate signals in the archives: how using a common language for data deposition ensures your data are found, understood and cited.
Posted inResearch Spotlights
Simulating 195 Million Years of Global Climate in the Mesozoic
An ensemble of climate simulations identifies factors that drove long-term trends of a prehistoric greenhouse climate.
Posted inResearch Spotlights
A 50,000-Year History of Current Flow Yields New Climate Clues
The first high-resolution historical record of Europe’s Glacial Eastern Boundary Current sheds new light on ocean circulation, ice sheet dynamics, and climate change.
Posted inResearch Spotlights
Los océanos liberaron dióxido de carbono durante la última deglaciación
Un nuevo registro de isótopos de boro proveniente de sedimentos marinos del Pacifico Sur, ofrece una imagen más completa del intercambio de dióxido de carbono entre el océano y la atmósfera durante el Pleistoceno tardío.
Posted inResearch Spotlights
Ancient Sea Levels in South Africa May Offer Modern Analogues
Largely spared from disruptive tectonic activity, the South African coastline offers a natural setting to study sea levels from when Earth’s atmospheric carbon dioxide last reached today’s levels.
Posted inResearch Spotlights
Chinese Swamp Core Reveals 47,000 Years of Monsoon History
Magnetic analysis of mineral composition supports the importance of tropical climate processes in shaping long-term monsoon patterns.