• 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

tundra

Aerial view of a group of caribou trotting across snowy ground
Posted inNews

Snowmelt Sends Caribou Packing

by K. R. Callaway 10 December 202410 December 2024

Researchers compared caribou tracking data with satellite observations to learn whether snowpack conditions trigger the animals’ arduous annual migration.

Exposed permafrost sediments and ice wedges in spring at a bluff near the Itkillik River,
Posted inResearch Spotlights

Source or Sink? A Review of Permafrost’s Role in the Carbon Cycle

Sarah Derouin, Science Writer by Sarah Derouin 4 March 20244 March 2024

Understanding the role of permanently frozen soil, which covers a large portion of land in the Northern Hemisphere, is crucial to reaching global climate targets.

A four-legged animal with furry brown hair and a pair of curved, tan horns stands on grassy ground behind a rock, and a younger animal of the same breed appears in the background.
Posted inNews

Herbivore Diversity Helps Maintain Arctic Tundra Diversity

Katherine Kornei, Science Writer by Katherine Kornei 11 August 202311 August 2023

A long-term experiment in southwestern Greenland reveals that the presence of musk oxen and caribou helps stave off declines in Arctic tundra diversity brought on by climate change.

Map of Alaska showing the study regions and a bar graph showing wildfire events by year.
Posted inEditors' Highlights

Lightning in Alaskan Tundra Ignites Most Fires

by Valeriy Ivanov 19 July 202211 August 2022

Cloud-to-ground lightning is found to be the most important controller of wildfire occurrence in the Artic tundra of Alaska from 2001 to 2019.

A student takes notes in Arctic Alaska.
Posted inNews

Testing on the Tundra: NASA Snow Program Heads North

by J. Besl 27 July 202111 August 2022

With infrastructure, experience, and a slice of the world’s largest snow biomes, Alaska is an essential research destination for NASA’s multiyear SnowEx campaign.

Aerial view of snowdrifts at a lake in the northern foothills of the Brooks Range in Alaska
Posted inResearch Spotlights

A Census of Snowdrifts in Northern Alaska

by David Shultz 2 December 20208 February 2023

Snowdrifts prove less ephemeral than they might seem, occurring in the same places year after year.

Two scientists on the flat green tundra—one holds a drone aloft, and one writes in a notebook
Posted inNews

Drones Help Bridge the Gaps in Assessing Global Change

Lesley Evans Ogden, Science Writer by Lesley Evans Ogden 27 August 202011 August 2022

New instruments in the research tool kit bolster scientific understanding of the ecology of a greening Arctic.

Four plots showing production of greenhouse gases during laboratory incubations in organic soils and mineral soils, with and without nitrogen addition.
Posted inEditors' Highlights

Downhill from Here: Landscape Positions and Greenhouse Emissions

by W. M. Hammond 5 August 202011 August 2022

In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.

Yellow, dry grass; green trees; and blue cloudy sky
Posted inNews

Turning the Arctic Brown

by The University of Sheffield 19 September 20195 January 2023

For a generation, the tundra has seen an increasing growth of vegetation, a process known as Arctic greening. A more accurate term might be “Arctic browning.”

Aerial view over the Alaskan tundra showing patches of snow, ice, and bare land
Posted inResearch Spotlights

Methane-Releasing Tundra Soils Freezing Later Each Year

Sarah Stanley, Science Writer by Sarah Stanley 18 September 201911 August 2022

Scientists find links between delayed freezing of Alaskan soils and higher atmospheric methane concentrations during the cold season.

Posts pagination

1 2 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

Storm Prediction Gets 10 Times Faster Thanks to AI

20 May 202520 May 2025
Editors' Highlights

Inferring River Discharge from Google Earth Images

20 May 202515 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 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