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.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
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.
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Solar Wind Disconnects Venus’s Magnetotail
Polarity reversals in the solar wind magnetic field disconnect the magnetic field trailing behind Venus, allowing ions from the atmosphere to escape.
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Shift in Pacific Sea Level Trends Will Affect the West Coast
The first study on the shift toward higher sea levels in the eastern Pacific Ocean over the past 5 years indicates it will continue, leading to much higher seas on the western coasts of the Americas.
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Japan's Volcanic History, Hidden Under the Sea
Scientists investigate marine tephra layers for clues to Japan's volcanic past.
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Measuring Progress Toward Sustainable Goals
Grouping targets that need to be hit into composite goals may help countries evaluate their progress toward sustainable development targets laid out by the United Nations.
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A (Dust) Devil of a Time—on Mars
New computer simulations of Martian dust devils could aid Red Planet weather forecasts.