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Research Spotlights

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

model-crop-loss-caused-by-greenhouse-gas-emissions-methane
Posted inResearch Spotlights

Which Greenhouse Gas Does the Most Damage to Crops?

Alexandra Branscombe by A. Branscombe 15 August 201620 October 2021

Models showed that approximately 93% of crop losses over the rest of the century could be caused by non–carbon dioxide emissions, the most damaging of these being methane.

Pannonian-Basin-Miocene-extension-greater-than-previously-thought
Posted inResearch Spotlights

Unraveling the History of Central Europe's Pannonian Basin

by Terri Cook 12 August 201622 August 2023

A multidisciplinary model linking the sedimentary and tectonic histories of this structurally complex basin suggests that large amounts of extension occurred there between 20 and 9 million years ago.

volcanic-eruption-water-vapor-role-in-climate-change
Posted inResearch Spotlights

Does Water Vapor from Volcanic Eruptions Cause Climate Warming?

Alexandra Branscombe by A. Branscombe 11 August 201629 March 2022

By studying past volcanic eruptions, scientists find that the amount of water vapor reaching the stratosphere during moderately explosive eruptions may not be contributing to the greenhouse effect.

Measures of current and pressure in the Southern Ocean show their effect on the Antarctic Circumpolar Current.
Posted inResearch Spotlights

What Steers Antarctica's Largest Current?

Alexandra Branscombe by A. Branscombe 11 August 201622 July 2022

Scientists have observed that pressure from current-seafloor encounters drives the direction of the massive Antarctic Circumpolar Current in the Southern Ocean.

A new model helps point the way towards determining whether there is lightning on Venus.
Posted inResearch Spotlights

Searching for Lightning's Signature on Venus

Shannon Hall by S. Hall 10 August 201613 April 2023

How energetic would lightning on Venus have to be to be detected by sensors? A new model sheds light.

abandoned-oil-gas-wells-leak-methane-contaminate-aquifers
Posted inResearch Spotlights

What Happens to Methane That Leaks from Abandoned Wells?

Sarah Stanley, Science Writer by Sarah Stanley 10 August 201630 March 2023

Three-dimensional simulations suggest that some aquifers may be more vulnerable to contamination from leaky oil wells than others.

CSalar-Grande-Basin-Chile-rock-minerals-clues-to-carbon-cycle-life-on-Mars
Posted inResearch Spotlights

Rocks in Chile Help Scientists Hunt for Life on Mars

by M. McKinnon 9 August 201612 April 2022

Investigating oxalate minerals in the Atacama Desert provides a terrestrial analogue to test techniques that could be used to study the carbon cycle in the cold deserts of Mars.

Posted inResearch Spotlights

The Quest to Understand Reversals in Earth's Magnetic Field

by Terri Cook 9 August 201627 January 2023

A review of the major features of the geomagnetic reversals preserved in Earth's rock record helps to answer the question, Which data could advance our understanding of these poorly described events?

cold-temperatures-trigger-slow-moving-landslides-Japan-clay
Posted inResearch Spotlights

Cold Temperatures Set Off Slow-Moving Landslides

Alexandra Branscombe by A. Branscombe 8 August 20166 October 2021

Falling ground temperatures in the cold season are found to trigger shallow, slow-moving landslides on slopes with clayey soil.

Curiosity-rover-mineral-samples-liquid-groundwater-oxygen-atmosphere-Mars
Posted inResearch Spotlights

Minerals Hint at Liquid Groundwater, More Oxygen in Mars's Past

Sarah Stanley, Science Writer by Sarah Stanley 5 August 20163 January 2023

Manganese deposits in Gale Crater fractures are similar to Earth features that usually require flowing water and highly oxidizing conditions.

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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

Deep Root Respiration Helps Break Down Rocks

2 July 20252 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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