Data from a long-distance research cruise provide new insights into carbon cycling in the eastern Pacific and Southern Oceans.
Chemical tracers
Posted inNews
Using Nuclear Fallout to Measure Soil Erosion in Tunisia
Cesium-137 acts as a tracer to evaluate the efficiency of conservation methods.
Posted inEditors' Highlights
Pacific Carbon Ages During Long Journey Along Ocean Floor
The radiocarbon signal of DOC with depth across the Pacific Ocean basin effectively supports a number of important theories that have been suggested over the years.
Posted inResearch Spotlights
Pacific Carbon Uptake Accelerating Faster Than Expected
A new study suggests that shifting ocean currents drive faster carbon dioxide uptake.
Posted inEditors' Highlights
Distinguishing Pacific and Atlantic Contributions to the Arctic
A semi-conservative tracer combining nitrate and dissolved oxygen is more accurate than traditional tracers in distinguishing between Atlantic and Pacific water mass contributions to the Arctic.
Posted inResearch Spotlights
Tracing Land to Ocean River Transport with Cosmogenic Isotopes
Beryllium stored in marine sediments can help scientists study erosion and other environmental changes.
Posted inResearch Spotlights
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
Posted inResearch Spotlights
How Do the Deep Waters of the Antarctic Form?
Researchers uncover new insights into the life cycle of water in the Antarctic region by measuring noble gas concentrations.
Posted inResearch Spotlights
Tracking Radioactive Cesium Released During Fukushima Disaster
Scientists probe the Pacific to determine how far the damage from one of the largest nuclear meltdowns in history extends.
Posted inScience Updates
Small Rivers Could Have Big Impact on Arctic Ocean
The Mackenzie River carries the bulk of freshwater flow from North America's tundra to the North Atlantic. But what about the effects of smaller rivers from Canada's Arctic islands?