Offsets in radiocarbon concentration within the ocean or between the ocean and the atmosphere are particularly useful proxies for a variety of studies.
Oceans
Posted inResearch Spotlights
Scientists Discover New Ocean Current off Madagascar
The warm and salty Southwest Madagascar Coastal Current influences upwelling that supports rich marine ecosystems along the southern coast.
Posted inEditors' Highlights
Unraveling Hemispheric Ocean Nitrate Supply Pathways
Subsurface measurements of nitrogen and oxygen isotope ratios in nitrate reveal a predominantly southern hemisphere supply of nitrate to the equatorial Pacific.
Posted inNews
Reversing Earth’s Spin Moves Deserts, Reshapes Ocean Currents
A climate model with reversed rotation of Earth helps climatologists and oceanographers understand why our planet is the way it is and reveals how different it could have been.
Posted inResearch Spotlights
Dust Does Not Control Surface Ocean Productivity
The first continuous comparisons between daily atmospheric dust and ocean productivity measurements indicate that they are not correlated in the Gulf of Aqaba’s nutrient-limited ecosystem.
Posted inResearch Spotlights
Visualizing One of the Most Hazardous Formations in Nature
A network of buoys provides a first glimpse of the seafloor beneath a volatile Italian caldera.
Posted inEditors' Highlights
Advancing Satellite Ocean Color Observations
A new derived algorithm for particle backscattering and multi-year VIIRS climatology improves ocean color parameterization in highly turbid coastal and inland waters.
Posted inNews
Nutrient-Rich Water Around Seamounts Lures Top Predators
At an Indian Ocean marine refuge, tides drive cold water laden with nutrients onto the tops of underwater mountains, where it sustains a long food chain that culminates in sharks, tuna, and seabirds.
Posted inResearch Spotlights
Widespread Mantle Upwelling Beneath Oceanic Transform Faults
A global characterization of mantle flow patterns beneath active oceanic transforms suggests pervasive upwelling stabilizes divergent plate boundaries by warming and weakening these enigmatic features.
Posted inEditors' Highlights
Chaos Beneath a Calm Sea
Seismic data help reveal fine-scale wave breaking, instability and turbulence in the ocean interior.