Satellite and ground-based data reveal sulfur dioxide flux, trace element release, and preeruption magma movement.
geochemistry
Posted inNews
Electrical Concrete Offers Green Alternative to Airport Deicers
The Federal Aviation Administration is testing conductive concrete as a replacement for water-polluting chemicals used to melt ice from airport tarmacs.
Posted inResearch Spotlights
How Saturn Alters the Ionosphere of Titan
New research shows that Saturn's powerful magnetic field changes the atmospheric chemistry of its largest moon, Titan.
Posted inScience Updates
Where Curiosity Has Taken Us
The Curiosity rover, one of NASA's flagship missions, analyzes Martian geology, geochemistry, climatology, and radiation to assess whether Mars could have supported microbial life.
Posted inResearch Spotlights
Model of Solar Cycle's Impact on Climate Gets Upgrade
A new model of how the Sun's 11-year cycle affects climate leads to slight changes in model results on atmospheric chemistry, but temperature and wind results are consistent with the previous model.
Posted inNews
How Bat Breath and Guano Can Change the Shapes of Caves
Researchers working in caves in Borneo and elsewhere are finding evidence that biological processes shape many tropical caves by slowly eating away at surrounding rock.
Posted inResearch Spotlights
Curiosity Rover Finds Organic Molecules on Martian Surface
Scientists assess the present and past habitability of Mars from organic compounds detected at Gale Crater.
Posted inResearch Spotlights
Humans Greatly Increase Mercury Levels in the Ocean
A study of the natural cycle of mercury reveals that humans are to blame for a five- to sixfold increase in the oceanic concentrations of the potentially toxic element.
Posted inAGU News
Donald J. DePaolo Receives 2014 Harry H. Hess Medal
Donald J. DePaolo was awarded the 2014 Harry H. Hess Medal at the AGU Fall Meeting Honors Ceremony, held on 17 December 2014 in San Francisco, Calif. The medal is for “outstanding achievements in research on the constitution and evolution of Earth and other planets.”
Posted inScience Updates
Defining Urban Geochemistry
International Association of GeoChemistry: Urban Geochemistry Working Group;
Columbus, Ohio, 5–6 August 2014