Isotopic analysis indicates that mercury found in deep-sea organisms may have an origin in carrion from near the surface.
geochemistry
Posted inNews
When Did Archaic Humans Control Fire?
A familiar geochemical technique shines a new spotlight on early hominin use of fire.
Posted inNews
La Geología y la Química Impulsan la Migración Animal en el Serengueti
Trabajo de campo en Tanzania sugiere que la química del suelo—influenciada por el vulcanismo local y la actividad tectónica—podría ayudar a determinar la migración sin precedentes de más de un millón de ñus.
Posted inResearch Spotlights
Acidifying Oceans Could Get Help from Kelp
Forests of fast-growing kelp influence the chemistry of the water in which they live. A new study evaluates their potential to ameliorate ocean acidification in sensitive coastal ecosystems.
Posted inResearch Spotlights
Autonomous Minisubmarine Measures Seawater Conditions
Forecasts of carbonate chemistry in coastal ecosystems determined from seasonal robotic measurements can improve fisheries management and help mitigate short-term ocean acidification events.
Posted inResearch Spotlights
Tracking Trace Elements in the Ganga River
Levels of dissolved trace and heavy metals, which can be toxic, are highly variable across the river basin, concentrating in urban areas with high pollution but diluted by inflow from tributaries.
Posted inFeatures
¿Por Qué la Luz Solar es Importante para los Derrames de Petróleo en el Mar?
Una década de investigación desde el desastre de Deepwater Horizon ha revelado cómo la luz solar—su importancia subestimada durante mucho tiempo en la ciencia de derrames de petróleo—altera sustancialmente el petróleo que flota en la superficie del mar.
Posted inAGU News
Garçon and Stolper Receive 2019 Hisashi Kuno Award
Marion Garçon and Daniel A. Stolper received the 2019 Hisashi Kuno Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. This early-career award recognizes “outstanding contributions to the fields of volcanology, geochemistry, and petrology.”
Posted inEditors' Highlights
Measuring Paleoclimate During a Deep-Time Deep Freeze
New application of clumped-isotope thermometry to 700-Myr rocks documents large climate swings related to Snowball Earth glaciation and offers better understanding of an earlier Earth system.
Posted inEditors' Highlights
When Chemistry Lends a Hand to Dynamics
Chemical signature and chemical transport analyses help understand the dynamics of the Asian Summer Monsoon.