• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • 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
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

radioactivity

https://doi.org/10.1029/2018JC013888
Posted inEditors' Highlights

Increased Release Rates of Radium Isotopes on Arctic Shelves

by P. Brewer 22 August 201821 March 2022

A longer ice-free season on Arctic shelves causes an increase in sediment-water interaction.

Posted inEditors' Highlights

A New Angle on the Earth’s Radiation Belts

by Michael W. Liemohn 21 May 201813 April 2022

A new empirical model of energetic electrons from Van Allen Probes data includes pitch angle analysis, revealing insights about radiation belt energization and loss processes.

Marine mollusk shells record the magnitude of the radiocarbon marine reservoir effect in their habitat.
Posted inEditors' Vox

Radiocarbon in the Oceans

by E. Q. Alves 17 April 201827 January 2022

Offsets in radiocarbon concentration within the ocean or between the ocean and the atmosphere are particularly useful proxies for a variety of studies.

Monitoring team collecting a marine sediment sample near Fukushima Daiichi.
Posted inNews

IAEA Affirms Japan’s Fukushima-Related Radioactivity Monitoring

Tim Hornyak, Science Writer by Tim Hornyak 11 October 20171 April 2024

Laboratories outside Japan have validated the results. Marine radioactivity levels from the nuclear disaster have fallen, but questions remain years after the meltdown.

Researchers extract mangrove peat core as part of a USDA project to constrain the carbon budget of coastal ecosystems.
Posted inScience Updates

Turning up the Heat on Organic Matter to Track Carbon

by A. McNichol, B. Rosenheim and V. Galy 19 September 201721 July 2022

Inaugural Workshop on Thermal Analysis of Natural Organic Matter; Woods Hole, Massachusetts, 15–16 September 2016

Researchers use cosmogenic isotopes to study ocean river transport.
Posted inResearch Spotlights

Tracing Land to Ocean River Transport with Cosmogenic Isotopes

by S. Witman 23 August 201728 January 2022

Beryllium stored in marine sediments can help scientists study erosion and other environmental changes.

These seawater samples can help scientists track the fate of carbon in the ocean.
Posted inScience Updates

Tracing Carbon’s Fate in the Ocean

by S. A. Morris, R. L. Hansman and J.-C. Miquel 10 August 201729 September 2021

Improving the Application of Radionuclides in Studies of the Carbon Cycle and the Impact of Ocean Acidification; Monaco, 19–21 October 2016

Posted inScience Updates

Better Tools for Tracing the Thermal History of Rocks

by Peter Zeitler, R. Brown and P. Hackspacher 18 May 201723 February 2023

Thermo2016: The 15th International Conference on Thermochronology; Maresias, Brazil, 18–23 September 2016

van-allen-probes-artists-rendering
Posted inScience Updates

Radiation Belt Processes in a Declining Solar Cycle

by A. Y. Ukhorskiy, B. H. Mauk, D. G. Sibeck and R. L. Kessel 23 March 201627 March 2023

The Van Allen Probes began an extended mission in November to advance understanding of Earth's radiation belts.

Posted inResearch Spotlights

Satellite Shows Earth's Magnetic Field Bent During a Solar Storm

by Mark Zastrow 18 March 201613 April 2022

When solar storms strike, they weaken Earth's defenses against harmful radiation. New satellite measurements reveal just how much.

Posts pagination

Newer posts 1 2 3 4 Older posts
A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

20 June 202519 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2025 American Geophysical Union. All rights reserved Powered by Newspack