Argo float data reveal regional deviations from existing models of the relationship between ocean color and biogeochemistry.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
New Explanation for “Meandering” Electrons Orbiting Earth
A new study proposes a simpler theory to explain a class of electrons zipping around Earth, propelled by magnetic explosions.
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Spacecraft Returns Its First Data on Martian Solar Irradiance
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).
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Diagnosing Cryptic Remagnetization in Sedimentary Rocks
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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How Do Rivers Flow over Bedrock?
A study questions whether the hydraulics of rivers that lack loose sediments along their bottoms can be accurately depicted by standard equations for flow over sediment.
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When Ocean and Atmosphere Couple, the Climate Wobbles
Every 25–30 years, the ocean and atmosphere conspire to produce an enhanced North Atlantic Oscillation
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Catching Glimpses of Centuries-Old Earthquakes
Researchers in the western United States survey the earthquakes that have torn up California for the past millennium.
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Reinterpreting the Age and Origins of Taiwan’s Yuli Belt Terrane
Uranium-lead dating of zircons from Taiwan’s east central metamorphic belt offers robust evidence that this uplifted terrane is some 90 million years younger than previously thought.
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What’s the Average Methane Isotope Signature in Arctic Wetlands?
Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.
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Black Carbon Measurements in the Arctic Get an Upgrade
Long-term data of higher accuracy could help improve global climate models and reveal trends in black carbon’s influence on Arctic climate.