Scientists combined 82 satellite years of data to create a more comprehensive model of how plasma behaves in a region of Earth's magnetosphere with heavy spacecraft traffic.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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How Powerful Is Jupiter's Aurora?
Scientists have mapped Jupiter's spectacular aurora in unprecedented detail with the Hubble Space Telescope.
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Cool Downdrafts in Large Thunderstorms Captured by Satellite
Orbiting scatterometers can reveal patterns of cool air in mesoscale convective systems.
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Largest Grains Dominate River Bedrock Erosion Rates
The effect of particle size on bedrock erosion rates adds complexity to modeling bedrock channel evolution.
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Refining Solar Wind Models to Better Predict Space Weather
Despite decades of space-based observations of the Sun, scientists still struggle to make precise predictions of the solar wind.
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Surface Climate Processes Keep Earth's Energy Balance in Check
Models show that an abrupt increase in carbon dioxide emissions would trigger feedback processes that would change Earth's hydrological cycle.
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Global Warming Intensifies Drought Conditions in California
The rise in global temperatures has amplified naturally occurring drought conditions in California and has increased the chance of severe droughts in the future.
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Lightning "Impulses" Improve Models of Global Electrical Circuit
New simulations of how thunderstorms drive electrical currents through the Earth's atmosphere combine precision with computational speed.
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New Models Explain Unexpected Magnitude of China's Wenchuan Quake
The 2008 earthquake surprised scientists, but the inclusion of new variables reveals that Earth's crust under the Sichuan Province was under more strain than previously thought.
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Ice-Penetrating Radar Reveals Age of Greenland Ice Sheet Layers
First comprehensive analysis of deep radar data gives insight into the dynamics and history of the Greenland Ice Sheet.