Scientists measure dissolved black carbon in South China Sea water samples to better understand the carbon cycle in the oceans, which absorb roughly half of all carbon emitted into the atmosphere.
Biogeochemical cycles, processes, and modeling
Posted inEditors' Highlights
Improved Simulation of Gross Primary Productivity
A new model better explains seasonal variations in biomass.
Posted inResearch Spotlights
The River Basin’s Tale: Carbon Transport Along the Thames
A study finds that population growth during urbanization and World War II–era plowing fed additional carbon into the Thames River Basin.
Posted inScience Updates
A New Platform for Managing Soil Carbon and Soil Health
International Soil Carbon Network Workshop; Stanford, California, 27 February to 3 March 2017
Posted inResearch Spotlights
Coastal Wetlands Effectively Sequester “Blue Carbon”
Mangrove forests, salt marshes, seagrass beds, and the like are carbon storage treasure troves.
Posted inResearch Spotlights
Small Wetlands Retain Lion’s Share of Nutrients
Still-water ecosystems are key to combating explosive algae growth.
Posted inResearch Spotlights
Changes in Groundwater Flow Affect Nitrogen Cycling in Streams
Overpumping and other activities that affect groundwater levels could combine with increased nitrogen runoff to amplify threats to human and environmental health.
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
Why Is There So Much Carbon Dioxide in Rivers?
Observations of carbon dioxide oversaturation in the freshwater of the world led scientists to study its underlying causes at more than 100 field locations across the nation.
Posted inResearch Spotlights
What Proportion of River Nutrients Reaches the Open Sea?
Results of the first geographically based estimates of river nutrient supply indicate that 75% of dissolved nitrogen and 80% of phosphorus reach the open ocean.