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Research Spotlights

Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.

Streams and rivers play an important role in the exchange of carbon dioxide between terrestrial ecosystems, atmosphere, and ocean.
Posted inResearch Spotlights

Why Is There So Much Carbon Dioxide in Rivers?

by S. Witman 19 May 20176 March 2023

Observations of carbon dioxide oversaturation in the freshwater of the world led scientists to study its underlying causes at more than 100 field locations across the nation.

Ship’s crew and technical staff deploy a current meter to monitor Angola Current flow.
Posted inResearch Spotlights

First Detailed Study of Circulation off Angola

Sarah Stanley, Science Writer by Sarah Stanley 18 May 20178 June 2022

New data give scientists insight into the eastern boundary current off Angola, helping them to evaluate and assess why simulations create sea surface temperature biases in the region.

Researchers examine the impact of the Congo River on coastal waters.
Posted inResearch Spotlights

River Plumes near the Equator Have Major Effects on Oceans

by S. Witman 17 May 201722 July 2022

Every second, the Congo sends millions of gallons of freshwater deep into the Atlantic, influencing marine plants and wildlife.

Rock exposure thought to be the product of earthquakes might be due to weathering or landslides.
Posted inResearch Spotlights

Faulty Assumptions Impair Earthquake Hazard Assessment in Italy

Sarah Stanley, Science Writer by Sarah Stanley 16 May 201724 February 2022

Along faults in the Central Apennine Mountains, weather and landslides may cause rock exposure that is mistakenly attributed to earthquakes.

Deformed and metamorphosed rocks may be left over from subduction processes during the growth of the Himalaya
Posted inResearch Spotlights

Unraveling the History of the India-Asia Collision

by Terri Cook 15 May 201713 April 2022

A study of deformed and metamorphosed rocks exposed in Tibet’s Lopu Range suggests that episodes of crustal shortening and extension during the evolution of the Himalaya are related to subduction processes.

Researchers conduct a lake survey in front of Glaciar Perito Moreno.
Posted inResearch Spotlights

In Patagonian Lakes, Glacial Meltwater Lies Low

Sarah Stanley, Science Writer by Sarah Stanley 12 May 20173 March 2023

A new study reveals key differences in ice-water interactions between glaciers that flow into lakes and glaciers that end in the sea.

Researchers compare Argo float data with modeling to better understand changes in ocean color and biochemistry
Posted inResearch Spotlights

Autonomous Floats Shed New Light on the Ocean’s Many Hues

Sarah Stanley, Science Writer by Sarah Stanley 11 May 20171 February 2023

Argo float data reveal regional deviations from existing models of the relationship between ocean color and biogeochemistry.

Four identical MMS spacecraft—one of which is pictured in this illustration—were launched in 2015 to study the process of magnetic reconnection.
Posted inResearch Spotlights

New Explanation for “Meandering” Electrons Orbiting Earth

by Mark Zastrow 11 May 201718 July 2023

A new study proposes a simpler theory to explain a class of electrons zipping around Earth, propelled by magnetic explosions.

Researchers try out a mathematical model assessing Martian solar irradiance.
Posted inResearch Spotlights

Spacecraft Returns Its First Data on Martian Solar Irradiance

Sarah Stanley, Science Writer by Sarah Stanley 10 May 201718 January 2023

Scientists demonstrate the capabilities and limitations of the mathematical model used to calculate solar irradiance using measurements from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN).

Researchers evaluate remagnetization in sedimentary rocks to better understand the Earth’s tectonic history.
Posted inResearch Spotlights

Diagnosing Cryptic Remagnetization in Sedimentary Rocks

by Terri Cook 9 May 201727 January 2023

To understand the ancient movement of Earth’s tectonic plates, comprehensive magnetic and petrographic studies are needed to detect secondary magnetization in carbonates and other sedimentary rocks.

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Newer posts 1 … 135 136 137 138 139 … 198 Older posts
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Research Spotlights

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Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

When the Earth Moves: 25 Years of Probabilistic Fault Displacement Hazards

17 October 202517 October 2025
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