A new model suggests that many objects in the outer asteroid belt may still harbor deposits that formed around the time of their accretion.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Rising Temperatures Reduce Colorado River Flow
Hotter conditions have played a much greater role in reducing flow during the ongoing Millennium Drought than in a mid-20th century drought.
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Estimating the Likelihood of Future Temperature Extremes
A prototype model allows scientists to investigate how wind eddies and other atmospheric phenomena may affect the prevalence of heat waves and cold snaps in the Southern Hemisphere.
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Eddies Influence Productivity in the Subtropical Open Ocean
Ocean eddies may help recycle nutrients within giant current systems that encircle “desert” surface waters.
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New Hints About How Martian Moons Formed
A new study finds that Phobos includes chunks of Martian crust.
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More Evidence Humans Migrated to the Americas via Coastal Route
A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
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Balancing Robustness and Cost in Hydrological Model Optimization
A new study presents a framework for finding the best optimization algorithm.
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Observations Show Gravity Waves Above Antarctica Dance in Winter
Year-round observations show gravity waves above Antarctica exhibit seasonal patterns that peak in winter, which could help researchers trace the source of this mysterious phenomenon.
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The Meteorological Culprits Behind Strange and Deadly Floods
A new study examines how unusual meteorology interacted with topography and other local conditions to generate some of the most devastating floods in American history.
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How Will Melting Glaciers Affect Streamflow?
High-resolution modeling of summertime streamflow in the Pacific Northwest reveals the effects of glacial retreat on streamflow will vary by elevation.