Mussel shell periostracum and carbonate bound organic matter document seasonal variability in the isotopic composition of riverine suspended particulate organic matter.
nitrogen
Posted inNews
Turf’s Dirty Little Secret
Greenhouse gas emissions from sports fields may be scoring points for climate change.
Posted inNews
Half of Earth’s Nitrogen May Be Homegrown
A new analysis of iron meteorites reveals a distinct isotopic signature that suggests nitrogen was present around early Earth.
Posted inEditors' Highlights
Deciphering Reactive Nitrogen Emissions from Wildfire Smoke
In-situ data gathered from an aircraft flying over 23 western US wildfires in 2018 reveal the importance of reduced nitrogen, shedding insights on ozone and aerosol formation from wildfires.
Posted inNews
The Legacy of Nitrogen Pollution
Researchers track decades of nitrogen inputs and uptake across the United States, highlighting the need for policy to address the legacy effects of this essential nutrient and pollutant.
Posted inEditors' Vox
Exploring the Widespread Impacts of Ongoing Nitrogen Pollution
The release of reactive nitrogen into the environment is having severe and ongoing ecosystem, economic, and human health impacts. How can we reduce our nitrogen footprint?
Posted inEditors' Highlights
Downhill from Here: Landscape Positions and Greenhouse Emissions
In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.
Posted inNews
Shedding New Light on the Nitrogen Cycle in the Dark Ocean
Researchers find that the key players in nitrification may already be known.
Posted inResearch Spotlights
Linking Hydrology and Biogeochemistry in a Tropical Urban Estuary
Low-lying coastal estuaries are intertwined with tropical cities around the world. Yet little is known about these water bodies, which affect millions of people globally.
Posted inResearch Spotlights
Floating Patches of Soil Nutrients in Soil Help Explain Arctic Thawing
Nutrient-rich diapirs have a complex relationship with soil microbes and play an important role in carbon and nitrogen nutrient cycling, making them crucial for understanding feedbacks in the Arctic.