Defining the chemical relationships between water, sediment, and organisms that thrive beneath riverbeds.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Fossilized Caribbean Corals Reveal Ancient Summer Rains
Isotope records and climate modeling suggest that the rainy Intertropical Convergence Zone expanded northward into the southern Caribbean during a warm interglacial period about 125,000 years ago.
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Evidence of Extensive Ice Deposits Near Mercury’s South Pole
New radar observations and refined illumination maps reveal uneven water ice deposits twice the size of those found around the planet’s north pole, suggesting the source may be a recent comet impact.
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Tailoring Aerosol Injections to Achieve Desired Climate Effects
Two-dimensional simulations of sulfate aerosol injections suggest that solar geoengineering projects can be customized to maximize solar reflection and help achieve potential climate objectives.
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Australian Algae Aid Understanding of Ecosystem Resilience
Wildfires may have driven a critical ecosystem transition in Tasmania’s Lake Vera more than 800 years ago.
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Scientists Discover New Ocean Current off Madagascar
The warm and salty Southwest Madagascar Coastal Current influences upwelling that supports rich marine ecosystems along the southern coast.
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The Benefits and Vulnerabilities of a Warming Europe
Scientists evaluate the economic and environmental impacts of a warmer climate on European countries, finding a range of effects on tourism, electricity demand, and ecosystem production.
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How Ice Rafting Events Affect Asian Monsoon Hydroclimate
Cave stalagmites provide isotopic evidence that Bond events and Heinrich events have more variable effects on Asian monsoon hydroclimate during the last glacial period than during the Holocene.
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Peering Beneath the Powder: Using Radar to Understand Avalanches
High-resolution radar images from Switzerland’s experimental test site show that snow temperature is a key factor in classifying avalanche behavior.
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How Heavy Oxygen Ions Escape Earth’s Gravity
A new study reveals that low-frequency electromagnetic waves accompany intense heating events at low altitudes.