Scientists review several decades of research on the complex freshwater reach where fluvial and tidal forces meet.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Climate Change Influences the Dynamics Behind Tropical Cyclones
A new model reveals how cumulus convection, humidity, and tropical circulations interact as global temperatures rise.
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Eating Less Meat, Wasting Less Food Could Save Water Worldwide
In tandem, two strategies could lower water consumption by 28% and ensure better water supply for more than 600 million people.
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Electrons Thrown Off Course in Near-Earth Magnetic Reconnection
NASA Magnetospheric Multiscale (MMS) mission detects energy differences in electrons scattered by magnetic reconnection.
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A Hole in Earth’s Surface
Research shows that a broken lithosphere underneath the island of Hawai'i could explain the island's patterns of seismic activity.
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What Causes Long-Term North Atlantic Surface Temperature Cycles?
New evidence strengthens a likely link between 20- to 40-year sea surface temperature fluctuations and varying ocean circulation patterns.
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Ionospheric Waves Linked to Polar Atmospheric Dynamics
Ionospheric waves are likely to be caused by processes in the polar atmosphere rather than by space weather.
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What Makes Long-Runout Landslides So Mobile?
New research shows that acoustic waves rippling through some large landslides can reduce friction and allow slides to run out long distances.
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A Decade of Progress in Stratospheric Aerosol Research
Enhanced technology and chemistry-climate models have advanced our understanding of the sources and processes controlling the evolution of the stratospheric aerosol layer, the so-called Junge layer.
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The Role of Water in Earth's Tectonic Plumbing Systems
Tidal forces act on well water around the San Andreas Fault, giving researchers a new window into the hydrogeological structure of fault zones.