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Research Spotlights

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

An explosion from Kīlauea Volcano’s summit sends an ash plume into the sky on 27 May 2018.
Posted inResearch Spotlights

Fault Dips Figured in Kīlauea’s Caldera Collapse

by David Shultz 6 January 20206 October 2021

Large-volume volcanic eruptions can create instabilities in the ground above magma chambers, leading to massive collapses and telltale calderas.

An algal bloom covers the surface of Lake Vansjø in Norway near the shore as children board canoes.
Posted inResearch Spotlights

Stored Nutrients and Climate Warming Will Feed More Algal Blooms

Elizabeth Thompson by Elizabeth Thompson 6 January 20206 June 2022

High nutrient concentrations cause water quality problems in lakes, and as the climate warms, these issues will only get worse. A new model assesses future scenarios and explores solutions.

Image of the Sun in extreme ultraviolet light taken by NASA’s Solar Dynamics Observatory
Posted inResearch Spotlights

Observational Data Validate Models of Sun’s Influence on Earth

by David Shultz 2 January 20206 December 2022

Using a combination of independent models and observations over multiple timescales, scientists verify two important models that gauge the amount of solar radiation Earth receives.

The drillship Vidar Viking sits amid Arctic sea ice during the International Ocean Discovery Program’s Arctic Coring Expedition in 2004.
Posted inResearch Spotlights

Reconstructing 150 Million Years of Arctic Ocean Climate

by David Shultz 18 December 201926 January 2023

A new summary of past Arctic climate conditions gives insight into anthropogenic influences on today’s climate and on the need for future drilling studies to further improve our understanding of the past.

A seaside cliff near the town of Whitby in the United Kingdom
Posted inResearch Spotlights

Timing Matters for Rockfall Estimates

Kate Wheeling, freelance science writer by Kate Wheeling 9 December 201912 November 2021

Researchers studying an eroding coastal cliff detected 10 times more rockfall events when monitoring surveys were conducted hourly versus monthly.

A researcher collects a soil core from a marine coastal ecosystem dominated by the seagrass Posidonia oceanica.
Posted inResearch Spotlights

Improving Estimates of Coastal Carbon Sequestration

Sarah Stanley, Science Writer by Sarah Stanley 5 December 20199 March 2023

A new two-model approach could reduce uncertainties in calculated rates of “blue carbon” accumulation within soils of seagrass, tidal marsh, and mangrove habitats.

The Queens, N.Y., neighborhood of Rockaway Beach was heavily damaged by flooding exacerbated by extreme storm surges during Hurricane Sandy in October 2012.
Posted inResearch Spotlights

Sea Level Science Grapples with Uncertainty and Usability

Sarah Stanley, Science Writer by Sarah Stanley 4 December 201915 February 2023

Improved transdisciplinary approaches are needed to ensure that research on rising seas is useful for planning in coastal communities.

Ash from the Sierra Negra volcano on Isla Isabela in the Galápagos Islands drifts across the sky during an October 2005 eruption.
Posted inResearch Spotlights

Forecasting Volcanic Eruptions with Artificial Intelligence

by E. Underwood 3 December 20195 January 2022

A machine learning algorithm automatically detects telltale signs of volcanic unrest.

Close-up view of Sargassum natans, a seaweed commonly found in the Gulf of Mexico
Posted inResearch Spotlights

Sunlight Stimulates Brown Algae to Release Organic Carbon

Sarah Stanley, Science Writer by Sarah Stanley 2 December 20194 January 2024

Sargassum and other brown algae might be an underappreciated contributor of organic compounds called polyphenols to the open ocean.

The Curiosity rover sits on the surface of Mars on 12 May 2019.
Posted inResearch Spotlights

Curiosity Rover Reveals Oxygen Mystery in Martian Atmosphere

Sarah Stanley, Science Writer by Sarah Stanley 25 November 201924 April 2024

An air-sampling study has captured long-term trends in the concentrations of five key atmospheric gases for the first time.

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Newer posts 1 … 87 88 89 90 91 … 198 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

Satellite Scans Can Estimate Urban Emissions

6 October 20256 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

All Publish, No Perish: Three Months on the Other Side of Publishing

29 September 202525 September 2025
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