Mid-ocean ridge eruptions follow the cycles of tides and Earth's orbital eccentricity, indicating a possible role in long-term climate shifts.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
Strong Storms Flush Out Particulate Nitrogen
Field observations show that with climate change, fiercer tropical storms may release more particulate nitrogen from temperate forests into aquatic ecosystems.
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The Enigmatic Core Properties of the Inner Earth
A new study explores the possibility of cubic iron alloy structure at our planet's core.
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Tropical Deforestation Accelerated Faster Than Initially Thought
New satellite-based analysis of forest cover in the humid tropics from 1990 to 2010 contradicts previous estimates of rate of loss.
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New Clues to Mysterious Hiss in Earth's Plasmasphere
An analysis of the electromagnetic "hiss" that surrounds Earth reveals it's not just static; there's a signal hidden within, which may help scientists uncover its source.
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Aerosol Cutbacks May Bring Tropical Rains Farther North
Lower anthropogenic aerosol emissions in the 21st century may lead to warming that drives the Intertropical Convergence Zone northward.
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A Cooler Climate Would Trigger More Tropical Cyclones
New model reveals tropical cyclones could form at lower sea surface temperatures than previously thought.
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Subsurface Craters Expose the Moon's Dramatic Past
Scientists use the gravity signature of the lunar surface to trace the history of impact cratering and its role in the Moon's evolution.
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Cracks on Comets Most Likely Caused by Thermal Stress
Networks of cracks in the surface of 67P/Churyumov-Gerasimenko may have originated from rapid heating and cooling of the comet's surface.
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Water Waves Provide Insight into Landslides and Avalanche Models
Boussinesq-type gravity waves appear to accurately describe vertical motion in granular flows found in geophysics.