A new examination of nitrogen in the coastal waters off the Pacific Northwest shows that the Salish Sea delivers a large fraction of nutrients to shelf waters.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Found: The Submarine Source of an 1891 Eruption Near Sicily
Analysis of a volcano may help explain why some eruptions produce volcanic balloons–hollow chunks of lava that encase a gas-filled cavity.
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Seismic Stress Modeling Puts Istanbul in the Crosshairs
Twenty years of ground motion observations show that seismic strain is accumulating south of Istanbul.
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What Drove Sea Surface Temperature Change During the Pleistocene?
New information suggests that atmospheric carbon dioxide concentration was just one of the main drivers of warming sea surface temperatures in the Pleistocene.
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"Knobby Terrain" a Sign of Mars's Explosive Past
Newly identified knobby terrain related to ancient volcanoes on Mars hint that pyroclastic ash and rock flowed down slopes early in the red planet's history.
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Fluctuations in Atlantic Meridional Overturning Circulation
Variations in large-scale convection in the Atlantic Ocean are likely driven by wind.
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What Causes Broadband Electrostatic Noise in Space?
Factors that generate electrostatic noise involve how electric fields compress magnetized plasmas.
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Reduced Emissions Lead to Clearer Skies over Alabama
Aerosol pollutants are on the decline—and so are their effects.
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Changing Patterns in U.S. Air Quality
Over the northeast United States, ground-level ozone will peak in the winter rather than the summer thanks to continued reductions of regional nitrogen oxide emissions from smokestacks and tailpipes.
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How a River Gets Its Width
A new model of deposition and erosion on river banks allows scientists to study how the banks control their stream’s width.