A study suggests that known combustion and photochemical sources of nitrous acid, a precursor to ground-level ozone, are enough to explain levels seen in the atmosphere.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Jupiter's Auroras Recharge Between Solar Storms
New research suggests that Jupiter's magnetic field replenishes its stock of plasma during lulls in solar activity, creating spectacular displays when a solar storm hits.
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All Earthquakes Are Created Equal
A study of the development of earthquakes shows that the size of the initial rupture does not determine its intensity or range later on.
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Climate Change May Reduce Future Corn Supply
A suite of simulations run with a spectrum of starting conditions shows that climate change will reduce corn crop yield, although the degree of reductions varies widely.
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Air-Sea Interactions Influence Major Southern Wind Belt
Ocean and atmospheric data provide evidence for how sea surface temperatures affect the Southern Annular Mode.
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How Vague Historical Writings Help Scientists Predict Floods
By including imprecise historical written records in their calculations, researchers were able to decrease uncertainty in estimations of future flood frequency.
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New Technique Tracks Rock Deformation at a Micrometric Scale
Scientists explore microscopic marble deformation at high pressures and temperatures using a novel experimental technique that could improve our understanding of rock deformation in nature.
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Melting Ice Could Reveal Toxic Cold War Era Waste in Greenland
Unforeseen political disputes could arise as countries assess who's responsible for the cleanup of the Cold War relics.
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Mysterious Anomaly Interrupts Stratospheric Wind Pattern
For the first time, scientists have observed a deviation from the typical alternating pattern of easterly and westerly winds in the equatorial stratosphere.
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The Role of Seafloor Methane in Ancient Global Warming
New research suggests that release of methane from seafloor hydrates was much slower than hypothesized during a period of rapid global warming about 56 million years ago.