• 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

Posted inNews

Human Activities Account for Less Than a Third of Ocean Nitrogen

by S. Kelleher 20 January 20165 January 2023

Researchers found that humans contribute far less nitrogen to the open ocean than previously thought.

Posted inResearch Spotlights

Reservoirs Act as a Source for Greenhouse Gases

by L. Strelich 6 November 201524 February 2023

Scientists examine nitrous oxide production in aquatic environments and the conditions that drive it.

Posted inNews

Cave-Dwelling "Slime Curtains" Cycle Nitrogen and Iron

Cody Sullivan by C. Sullivan 4 November 201512 April 2022

In a cave accessible only by daredevil divers, extraordinary microbial colonies metabolize nitrogen and iron nutrients and possibly remove pollutants from water.

Posted inResearch Spotlights

Strong Storms Flush Out Particulate Nitrogen

Sarah Stanley, Science Writer by Sarah Stanley 29 October 201516 February 2022

Field observations show that with climate change, fiercer tropical storms may release more particulate nitrogen from temperate forests into aquatic ecosystems.

Posted inResearch Spotlights

Salish Sea a Key Source of Regional Marine Nutrients

by E. Betz 3 March 201516 February 2023

A new examination of nitrogen in the coastal waters off the Pacific Northwest shows that the Salish Sea delivers a large fraction of nutrients to shelf waters.

Posted inResearch Spotlights

What Causes Nitric Oxide to Infiltrate the Ozone Layer?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 9 December 201420 January 2023

Processes in the polar atmosphere can cause nitric oxide (NO)-enriched air to descend and destroy stratospheric ozone. Scientists explore one cause of these NO fluxes, stratospheric sudden warming.

Posts pagination

Newer posts 1 … 7 8 9
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

Our Ocean’s “Natural Antacids” Act Faster Than We Thought

30 January 202630 January 2026
Editors' Highlights

Visualizing and Hearing the Brittle–Plastic Transition

3 February 20263 February 2026
Editors' Vox

Tsunamis from the Sky

3 February 20263 February 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