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S. Witman

Researchers examine the impact of rising temperatures in the less studied East Antarctica
Posted inResearch Spotlights

What Regions Are Most at Risk for Ice Loss in East Antarctica?

by S. Witman 31 March 201723 March 2023

Scientists model the impact of environmental warming on ice drainage basins in the less studied East Antarctica.

sunlight on water
Posted inResearch Spotlights

Sun Glitter Provides a Detailed Map of Ocean Waves

by S. Witman 20 March 20176 February 2023

European scientists use satellite sensors to detect light reflected off waves at the ocean's surface, which could help improve wave forecasts.

Researchers work to improve modeling of how thawing permafrost may impact Earth’s ecosystems
Posted inResearch Spotlights

Modeling Permafrost's Role in the Global Carbon Cycle

by S. Witman 15 March 20179 December 2021

A team of international scientists surveyed an array of Earth ecosystem models, recommending several ways to reduce uncertainties.

Samples of Arctic permafrost hold clues to the carbon feedback loop that may be sparked as the permafrost thaws.
Posted inResearch Spotlights

Arctic Permafrost Thaw Would Amplify Climate Change

by S. Witman 3 March 201715 November 2021

An international team probed Arctic permafrost samples to better understand the carbon feedback loop that could be set off by future thawing.

An offshore subduction zone drove the tsunami that devastated Japan in 2011.
Posted inResearch Spotlights

An Up Close Look at the Megaquakes That Cause Tsunamis

by S. Witman 25 January 20176 December 2021

Researchers recreate changes in the seafloor during Japan's devastating 2011 tsunami.

Posted inResearch Spotlights

River's Rise Linked to Oklahoma's Largest Earthquake

by S. Witman 13 January 20179 May 2022

As human-induced earthquakes increase in frequency and magnitude, researchers race to uncover their effects on surface water and groundwater.

Researchers look at how flood risk will impact different regions in a warming world.
Posted inResearch Spotlights

Tracking Trends in U.S. Flood Risk

by S. Witman 21 December 201615 February 2023

As floods become more frequent around the globe, scientists work to pinpoint what puts certain regions at risk.

A building torn in two in Concepción, Chile, following a magnitude 8.8 earthquake in 2010.
Posted inResearch Spotlights

Understanding Tectonic Processes Following Great Earthquakes

by S. Witman 2 December 20165 October 2022

Scientists parse out the processes underlying tectonic signals detected by GPS networks.

A satellite view of the Gap Fire in southern California, taken August 31, 2016.
Posted inResearch Spotlights

Fighting Fire with Satellite Data

by S. Witman 21 November 20165 September 2023

As climate change worsens wildfire impact, scientists use satellites to study climate-fire interactions.

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Features from AGU Publications

Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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