Samples of seawater from the North American Arctic show that the region is neither a major source nor sink of methane and nitrous oxide to the overlying atmosphere.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Small Wetlands Retain Lion’s Share of Nutrients
Still-water ecosystems are key to combating explosive algae growth.
Sediment Cores Reveal Ocean Current’s Past Life
East Asia’s Black Current may have rerouted in the past 10,000 years or so.
Hubble Reveals Less Studied Regions of Jupiter’s Auroras
With a dose of fiery plasma, the secondary arcs of Jupiter’s aurora shine bright.
Are Humans to Blame for Worsening Heat Waves in China?
A new study suggests that even hotter events will follow unless greenhouse gas emissions are reduced.
Tsunami Records Show Increased Hazards for Chile’s Central Coast
Simulations of the historical quake raise new concerns: A similar event in the future could cause a devastating tsunami in Chile’s most populated coastal region.
Natural Resource Exploitation Could Reach New Depths
The deep seafloor could provide humans with supplies of valuable metals, but opinion is divided as to whether sustainable exploitation is possible and worth the ecological and economic risk.
Antarctic Microbes Shape Nutrient Content of Snowmelt
As temperatures continue to rise, snow-dwelling microbes could accelerate melting and influence downstream ecosystems.
Testing Models of Near-Space Electrical Currents
Modeling Earth’s near-space environment and its electrical currents is challenging. A new study compares how four different models stack up against observations.
A Powerful New Tool for Research
A novel interface allows users of MATLAB and GMT, two software packages widely used by the geoscience community, to simultaneously harness the capabilities of both products.