Tree ring chronologies fill in gaps in the historical record and offer insights into the natural flow of China’s Yellow River.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
Aerosol Particle Size May Contribute to Varying Health Responses
Particulate matter in the atmosphere derives from industrial and environmental sources. The size of the particle determines how it deposits in the body and leads to different health challenges.
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Rover and Lasers Unlock Clues to Early Martian Atmosphere
Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.
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The Accidental Particle Accelerator Orbiting Mars
The radar aboard the Mars Express spacecraft can generate ion beams arcing through space above the planet, which could lead to a new way of studying the plasma surrounding it.
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Subglacial Water Can Accelerate East Antarctic Glacier Flow
Airborne radar from the Recovery Glacier system demonstrates the importance of characterizing the underlying causes of ice flow speedup to understand how glacial discharge could change in the future.
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Spruce Beetle Slows Snow Sublimation in Wyoming’s Mountains
A new study investigates changing water dynamics after a pest infestation in the Rocky Mountains.
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Ocean Warming Resumes in the Tropical Pacific
The discovery of a decadal El Niño–like state associated with shifts in the Pacific trade winds could have important implications for predicting sea level in future decades.
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How Do Main Shocks Affect Subsequent Earthquakes?
The results of a novel analysis of aftershock size distribution have important implications for more realistically assessing the seismic hazard of earthquake sequences.
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What Drives Temperature Inversions in the Mesosphere?
A study of nightglow over India reveals that gravity waves are less important than previously thought.
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A Simplified Model of Water Vapor Exchange in the Amazon
Evapotranspiration is the exchange of water vapor between land and the atmosphere, and it is hard to measure and model. A new study shows promise for its estimation over large, vegetated landscapes.