By comparing measured volcanic output with subducted carbon fluxes from drill cores, the Lesser Antilles subduction zone shows nearly complete slab carbon release at sub-arc depths.
Stable isotope geochemistry
Posted inEditors' Highlights
“North Pacific Nutrient Leakage” During Glacials
Carbon isotope data suggest an alternative source of nutrients to the Eastern Equatorial Pacific during glacial periods.
Posted inResearch Spotlights
Earth's Carbon-Climate Feedbacks Varied in Past Warming Episodes
Records from drill holes in the eastern equatorial Pacific indicate that Earth's orbital eccentricity played an important role in controlling climate as the planet warmed.
Posted inScience Updates
High-Resolution Tools Advance Study of Paleoclimate Archives
HiRes2015: High Resolution Proxies of Paleoclimate; Madison, Wisconsin, 31 May to 3 June 2015
Posted inResearch Spotlights
A Dearth of Hurricanes Cannot Explain Maya Collapse
Mud layers in a stalagmite from a cave on the Yucatán Peninsula show hurricane activity was steady or elevated throughout the Maya collapse.