A new study reports the first measurements of 13C18O in atmospheric carbon monoxide (CO) and show their variations reflect chemical ‘aging’ consistent with predicted kinetic isotope effects.
AGU Advances
Posted inResearch Spotlights
Tracking a Disappearing Mantle Plume in Ancient Samoa
A thick portion of Earth’s crust may have capped the Samoan plume and suppressed volcanism for 30 million years, explaining a curious gap along the Samoan chain.
Posted inResearch Spotlights
Mapping Landslide Risk in the United States and Puerto Rico
A new method provides highly accurate continental-scale landslide susceptibility maps that are being used in the aftermath of Hurricane Helene.
Posted inResearch Spotlights
Audible Storm Waves Could Turbocharge Earth’s Radiation Belts
Electromagnetic chorus waves could generate more extreme radiation levels than previously thought, posing severe hazards for Earth-orbiting spacecraft.
Posted inEditors' Highlights
The Delicate Balance of Permafrost in Arctic River Floodplains
To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.
Posted inResearch Spotlights
The Moon’s Tides Hint at a Melty Lunar Layer
New lunar gravity measurements support the idea that a partially molten mantle layer is sandwiched between the rest of the Moon’s mantle and its core.
Posted inResearch Spotlights
Arctic Warming Is Driving Siberian Wildfires
Increased temperatures and drought are leading to more wildfires. And wildfire smoke aerosols can suppress precipitation, drying out soils and further increasing fire risk.
Posted inResearch Spotlights
Shallow Waters Make the Best Carbon Sinks
Oxygen content and microbial prevalence may not be as influential on carbon sedimentation as previously thought.
Posted inEditors' Highlights
Understanding Carbon-Water Tradeoffs in Pacific Northwest Forests
A new study documents how spruce forests differing in management and age structure influence individual tree growth, carbon stocks, and landscape-water balance in the Pacific Northwest.
Posted inEditors' Highlights
Fixing Pollution from Space Needs Global Coordination
Remote sensing is a tool of choice for monitoring regions for air pollution, but the scale of the problem requires extending geostationary soundings globally.