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geochemistry

Posted inEditors' Vox

Measurements and Models of Reactive Transport in Geological Media

by B. Berkowitz 27 December 201622 December 2021

Author Brian Berkowitz answers questions about his recently published article and the scientific and societal implications of his findings.

Posted inAGU News

Alex Halliday Receives 2016 Harry H. Hess Medal

by AGU 23 December 201621 April 2023

Alex Halliday was awarded the 2016 Harry H. Hess Medal at the American Geophysical Union Fall Meeting Honors Ceremony, held on 14 December 2016 in San Francisco, Calif. The medal is for "outstanding achievements in research on the constitution and evolution of the Earth and other planets."

Nonglacial upland surface in the mountains of northern Sweden.
Posted inScience Updates

Deciphering the Cosmogenic Code to Learn Earth's Surface History

by A. P. Stroeven, D. Fink and M. Caffee 28 November 201623 March 2023

Third Nordic Workshop on Cosmogenic Nuclide Techniques; Stockholm, Sweden, 8–10 June 2016

Posted inResearch Spotlights

Tracing the North Atlantic's Bottom Waters

by Terri Cook 16 November 20163 June 2024

Chemicals released by two European nuclear fuel reprocessing plants, along with certain chlorofluorocarbons, are helping to constrain the speed and behavior of North Atlantic deep-ocean circulation.

Posted inAGU News

Canil and Elliott Receive 2016 N. L. Bowen Award

by AGU 2 November 201622 September 2022

Dante Canil and Tim Elliott will receive the 2016 N. L. Bowen Award at the 2016 American Geophysical Union Fall Meeting, to be held 12–16 December in San Francisco, Calif. The award recognizes "outstanding contributions to volcanology, geochemistry, or petrology."

Photo of a polluted city in China. Air pollution causes one out of eight deaths globally, according to the World Health Organization.
Posted inNews

Atmospheric Chemists Should Tackle Risks to Society, Report Says

by Randy Showstack 9 September 201624 February 2023

Protecting public health and the health of the climate and ecosystems warrants more focus from this scientific field, according to the report.

Phytoplankton blooms help to cycle nitrate in the Southern Ocean.
Posted inResearch Spotlights

A New Mechanism for Nitrogen Cycling in the Southern Ocean

Sarah Stanley, Science Writer by Sarah Stanley 29 July 201617 August 2022

A nitrite-oxidizing enzyme may work in reverse for some microbes in the Antarctic autumn.

Researchers scrutinized ultrathin slices of diamond from the Orapa Mine in Botswana pictured here.
Posted inNews

Mineral Flaws Clarify How Diamonds Form

Amy Coombs by A. Coombs 23 June 201625 March 2022

A study of nanoscale, iron- and sulfur-rich impurities in diamonds provides new clues to the chemical processes that produce the superhard crystals and at what depths they occur.

Smog and Hong Kong’s skyline, seen from Victoria Peak.
Posted inResearch Spotlights

Chemical Boosts Ozone Production over Southern China

by Terri Cook 27 May 201613 February 2023

The presence of nitryl chloride in polluted urban air can enhance the production of ozone by up to 41%, according to a new modeling study constrained by ground-based measurements.

Benthic-foraminifera-Myanmar
Posted inResearch Spotlights

Reconstructing the Ocean's Murky Past

Sarah Stanley, Science Writer by Sarah Stanley 11 May 20164 May 2022

Scientists test whether sparse, indirect data can reveal ancient ocean chemistry and circulation patterns.

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Features from AGU Publications

Research Spotlights

How Greenland’s Glacial Troughs Influence Ocean Circulation

29 May 202529 May 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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