Science Highlights

Some recent GEOTRACES science findings are reported below.

Elevated methylmercury level in Arctic rain and aerosol linked to oceanic dimethylmercury emissions

He and colleagues highlight a previously underappreciated pathway of mercury transport, underscoring its significance to human health.

27.03.2025

Unveiling the Complexity of Lead Distribution in the Pacific Ocean: Insights from the GEOTRACES GP15 Transect

This recent study by Jiang and colleagues investigate the distribution and sources of lead in the Pacific Ocean.

20.03.2025

Organic matter export rates along a North-South Pacific Ocean section: what three estimating methods tell us

Quay and his colleagues present estimates of the organic matter export rate along the GEOTRACES GP15 cruise section.

07.03.2025

East-West contrasting fate and anthropogenic inputs for dissolved trace metals in the Subarctic Pacific Ocean

Chan and co-authors report the full-depth distribution of dissolved nickel, copper, zinc, and cadmium in the North Pacific Ocean.

28.02.2025

Comprehensive quantification of the rare earth element cycle in the northwest Pacific Ocean

Cao and co-authors investigate dissolved rare earth elements and the factors controlling their distributions in the northwest Pacific Ocean.

03.02.2025

Iron and zinc isotopes disentangle the anthropogenic, natural and wildfire sources of aerosols over the North and Equatorial Pacific Ocean

Bunnell and co-authors analysed aerosol iron and zinc isotopic compositions along the North Pacific GEOTRACES GP15 section (Alaska-Tahiti).

31.01.2025

Contribution of sandy beaches to the oceanic silica cycle

This paper calls into question the commonly accepted idea of an oceanic silicon cycle in equilibrium.

28.01.2025

North – South contrasting behavior of dissolved cobalt in the Indian Ocean

Malla and Singh have studied the complex biogeochemical processes of total dissolved cobalt in the Indian Ocean.

16.01.2025

The Amazonian mangrove systems accumulate and release dissolved neodymium and hafnium to the oceans

Xu and colleagues investigated the concentrations of rare earth elements in the Amazonian mangrove.

15.01.2025

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