Scientists investigate how dipolarization fronts in Earth's protective magnetosphere interact with the environment around them.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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How Do the Deep Waters of the Antarctic Form?
Researchers uncover new insights into the life cycle of water in the Antarctic region by measuring noble gas concentrations.
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Carbon Dioxide Frost May Keep Martian Soil Dusty
Temperature readings acquired from orbit show that Mars's surface gets cold enough at night to allow layers of solid carbon dioxide frost up to several hundred micrometers thick to build up near the equator.
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A New Tool to Better Forecast Volcanic Unrest
In a retrospective study of volcanic unrest at Indonesia's Kawah Ijen, a new model was able to pick up on the rising probability of eruption 2 months before authorities were aware of the risk.
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Arctic Survey Hunts for Missing Nitrogen and Phosphorus
A new survey of ocean waters flowing in and out of the Arctic may shed light on how dissolved organic nitrogen and phosphorus contribute to nutrient cycling in the Arctic.
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How Do Tropical Forests Slow Knickpoints in Rivers?
Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints—areas where there's a sharp change in the river's slope—move over time.
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What Causes Heavy Rainfall?
Scientists investigate atmospheric conditions that correlate to heavy rainfall in the midlatitudes.
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Novel Technique Finds New Features Under United States
A new high-fidelity tomography harnesses USArray data to expose a wealth of noteworthy crustal and upper mantle structures, including previously unknown anomalies beneath the Appalachians.
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A River Network Preserved Beneath the Greenland Ice Sheet
An ancient drainage basin covering one fifth of Greenland predates the ice sheet and strongly influences the modern Jakobshavn Glacier, according to a new analysis of ice-penetrating radar data.
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Insights into Long-Standing Bias in Cloud Property Retrieval
A new framework provides a more comprehensive view of how subpixel variations can create biases in a commonly used method of analyzing cloud properties with satellites.