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.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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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.
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Increasing Radiation Levels May Challenge Space Exploration
New research shows that solar radiation levels are growing 10% faster than previously believed and that the radiation environment in space will worsen with time.
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How to Build a Better Light Trap
Nanosized chambers capture bits of light for infinite amounts of time.