An ultraslow-spreading stretch of the Southwest Indian Ridge is thicker than expected: both tectonic and volcanic processes may be feeding the growing seafloor there.
Geophysical Research Letters
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Spacecraft Records Rising-Tone Magnetosonic Waves
A rising tone in wave frequencies suggests a complicated, nonlinear series of interactions between electromagnetic sound waves and protons near the magnetic equator.
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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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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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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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Airborne Sensor Can Track Photosynthesis Efficiency
Remote estimation of fluorescence emitted by plants can indicate variations in photosynthesis performance.
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Rethinking How Tropical Convection Works
Researchers look at previous Walker circulation models and ask, Does damping truly matter?
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Urbanization Threatens Drought-Reducing Clouds in California
Since the mid-20th century, increased urbanization along the southern California coast has raised nighttime temperatures, resulting in less morning fog and cloud cover.
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Newly Discovered Properties of Elusive Gamma Ray Flashes
The properties of terrestrial gamma ray flashes have eluded scientists for years. This new study sheds light on how they originate.