Despite runoff from nitrogen-rich fertilizer, agricultural ponds act as powerful sinks for nitrous oxide.
Nitrogen cycling
Soil Wet Spots Drive Agricultural Nitrogen Gas Emissions
A new study offers novel insights into the mechanisms driving gas releases in agricultural regions.
Rover and Lasers Unlock Clues to Early Martian Atmosphere
Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.
How Nitrogen Contributes to Permafrost Carbon Dynamics
Nitrogen released into the soil from thawing permafrost in the Arctic could accelerate soil carbon decomposition and alter carbon dynamics, with global implications.
The Challenges of Meeting Future Food, Energy, and Water Needs
The inherent interlinkages between food, energy, and water systems present both challenges and opportunities for a more sustainable future on Planet Earth.
Polluted Lakes in Disguise
Clear lake water under highly polluted conditions might necessitate a rethink of water management policies and pollutant mitigation.
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.
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
High Arctic Emissions of a Strong Greenhouse Gas
Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.
New Way to Gauge Lightning's Role in Ozone Formation
Comparing satellite data on a key airborne ozone precursor to readings from a lightning sensor network reveals how much different types of lightning strokes affect atmospheric ozone chemistry.