Estimates of crystallization temperatures from four eruptions in northern Iceland offer improved constraints on the mantle's temperature beneath this anomalous divergent plate boundary.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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A Wetter Climate Increases Methane Production in Peat
As northern Minnesota's climate got wetter, precipitation drove mobile forms of young carbon deeper into peatlands, doubling the size of methane-producing strata.
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Tracing the North Atlantic's Bottom Waters
Chemicals released by two European nuclear fuel reprocessing plants, along with certain chlorofluorocarbons, are helping to constrain the speed and behavior of North Atlantic deep-ocean circulation.
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Unprecedented Views of Mercury Constrain Hollow Formation
The consistently shallow depths of the depressions scattered across Mercury's surface suggest their morphology is not determined by the thickness of a volatile-rich outer layer.
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Isotopes Track Carbon Cycle in Northern Wisconsin Wilderness
Researchers collected carbon from 3 years' worth of air samples and traced it back to its source.
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Mars's Atmosphere Matches Earth's Turbulent Nature
Mars is even more like Earth than we thought, according to a statistical analysis of the planet's swirling atmosphere.
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New Insight into Silica Explains Planetary Smashup
A better equation of state for silica will help planetary scientists accurately constrain the giant impacts that have shaped our solar system.
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Gulf Stream Destabilization Point Is on the Move
Westward migration of the wavelike Gulf Stream pattern could have big effects on ocean mixing and heat transport off the U.S. East Coast.
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A New Model to Improve Gravity Models
Data from the Gravity Recovery and Climate Experiment (GRACE) mission gets a new and improved look.
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Modeling Rainfall Runoff
New framework unifies existing models for better analysis of the flowing water produced by heavy rain events.