• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

nitrogen

Dark water and lighter-colored wave bubbles
Posted inNews

Shedding New Light on the Nitrogen Cycle in the Dark Ocean

Jon Kelvey, Science Writer by Jon Kelvey 6 May 202011 October 2022

Researchers find that the key players in nitrification may already be known.

A view of the San Juan Bay Estuary
Posted inResearch Spotlights

Linking Hydrology and Biogeochemistry in a Tropical Urban Estuary

Aaron Sidder, freelance science writer by Aaron Sidder 14 April 202010 February 2022

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.

Diagram of chemical dynamics of soil “frost boils” with an inset of a plant on rocky ground
Posted inResearch Spotlights

Floating Patches of Soil Nutrients in Soil Help Explain Arctic Thawing

by David Shultz 2 April 202029 September 2021

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.

Beach on barrier island Spiekeroog in Germany
Posted inResearch Spotlights

Microbial Mechanisms Change with the Seasons

Elizabeth Thompson by Elizabeth Thompson 1 April 202012 October 2022

Microbes living in the sand on a barrier island alter the way they break down organic matter as their environment changes throughout the year, which has implications for the surrounding water column.

An aerial view of an agricultural landscape
Posted inResearch Spotlights

Mapping Nutrient Inputs in the Great Lakes Basin

Aaron Sidder, freelance science writer by Aaron Sidder 25 March 202024 February 2023

A new tool links nitrogen and phosphorus applications to land use classifications to better understand where and how much of the nutrients enter watersheds in the U.S. Great Lakes Basin.

Land use map of the Selke river catchment in central Germany
Posted inEditors' Highlights

New Isotope Model Predicts Denitrification from Riparian Zones

by D. Scott Mackay 13 January 202015 November 2022

A new model quantifies the relative contributions of denitrification and other processes of nitrogen uptake, such as by plants, from groundwater in riparian areas around streams.

A restored fen wetland in Ovando, Mont.
Posted inResearch Spotlights

Solving the Global Nitrogen Imbalance

Elizabeth Thompson by Elizabeth Thompson 5 September 201920 October 2021

Excess nitrogen causes serious environmental problems, but too little can lead to food insecurity and unrest. A team of researchers proposes a five-pronged solution to our planet’s nitrogen woes.

Pond in a field of yellow flowers
Posted inNews

Farm Ponds Sequester Greenhouse Gases

by T. Burke 21 May 201918 October 2021

Despite runoff from nitrogen-rich fertilizer, agricultural ponds act as powerful sinks for nitrous oxide.

A flooded soybean field in central Iowa in July 2018.
Posted inResearch Spotlights

Soil Wet Spots Drive Agricultural Nitrogen Gas Emissions

Aaron Sidder, freelance science writer by Aaron Sidder 16 April 201920 October 2021

A new study offers novel insights into the mechanisms driving gas releases in agricultural regions.

researcher measures fall thaw depth at the Eight Mile Lake study site in interior Alaska
Posted inResearch Spotlights

How Nitrogen Contributes to Permafrost Carbon Dynamics

Aaron Sidder, freelance science writer by Aaron Sidder 2 November 201818 October 2021

Nitrogen released into the soil from thawing permafrost in the Arctic could accelerate soil carbon decomposition and alter carbon dynamics, with global implications.

Posts pagination

Newer posts 1 … 5 6 7 8 9 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Makes Mars’s Magnetotail Flap?

20 April 202620 April 2026
Editors' Highlights

How Space Plasma Can Bend the Laser of Gravitational Wave Detectors

24 April 202623 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack