Drought conditions dictate whether atmospherically deposited sulfate stays locked in a peatland or is mobilized to stimulate the bacterial methylation of mercury.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Dating Lava Domes in California's Salton Trough
Scientists use a trio of techniques to resolve the age and duration of rhyolite volcanism of the Salton Buttes.
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Data Correction Needed for Long-Term Heat Transport Monitoring
Scientists assess how historical temperature biases could impact the detection of ocean heat transport changes in a key area of the South Atlantic Ocean where data are scarce.
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Extracting New Meaning from Seismological Data
Scientists use noise data collected at the Long Beach dense array to measure elusive high-frequency surface waves.
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Sea Level Rise Due to Warming, Weakening of Greenland Glaciers
Increasing ice temperatures and decreasing ice viscosities could lead to "thermal-viscous collapse" of the Greenland ice sheet, raising sea levels as much as 51 centimeters over the next 500 years.
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Reservoirs Act as a Source for Greenhouse Gases
Scientists examine nitrous oxide production in aquatic environments and the conditions that drive it.
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Imagers Seek Big Bang Signatures, Also Find Gravity Wave Effects
Imagers aboard a scientific balloon in the stratosphere serendipitously captured images of thin ice clouds that reveal instability and turbulence flows in remarkable detail.
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Hydraulic Fracturing Water Use Is Tied to Environmental Impact
New map identifies varying water usage in hydraulic drilling operations across the United States and what this means for potential environmental impacts.
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How Long Is a Bolt of Lightning?
Better calculations of bolt length could help quantify how much climate-changing nitrogen oxide gas is made when lightning strikes.
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North America Does the Wave (Slowly)
Data-driven modeling helps explain how convection currents in Earth's mantle influence the rise and fall of surface features, but these models are in an early stage.