This section presents the GEOTRACES scientific activities.
Multiple controls on the dissolved aluminium fate in the Western Atlantic Ocean
Thanks to the most impressive set of dissolved aluminium (Al) and silicon (Si) data ever published in the Atlantic Ocean, Middag and co-workers (2015, see reference below) are thoroughly scanning […]
Do you know that coastal phytoplankton is able to adapt to iron limitation?
Oceanographers have long understood that phytoplankton in the open ocean tend to have lower iron (Fe) requirements and/or more strategies for obtaining Fe from the environment. Adding a new twist […]
Decoupling between dissolved zinc and silicon in the North Atlantic Ocean driven by mixing of end-members
Roshan and Wu (2015, see reference below) reveal that the correlation between dissolved zinc (Zn) and silicon (Si) is relatively weak in the North Atlantic Ocean (GA03 US section). They […]
Changing the cadmium : phosphorus paradigm?
The well-established strong linear relationship linking dissolved cadmium (Cd) and phosphorus (P) concentrations in seawater is at the origin of the attraction of Cd as a proxy for PO4 in […]
Nitrate isotope distributions on the US GEOTRACES North Atlantic cross-basin section
The distribution of the δ15N and the δ18O in the U.S. GEOTRACES North Atlantic zonal transect (GA03 section) provides an insight on the interaction between aspects of the circulation of […]
Dissolved gallium in the Beaufort Sea: a promising conservative water mass tracer
Mc Allister and Orians (2015, see reference below) present the first dissolved Ga (DGa) data ever reported in the Arctic. DGa behaves very conservatively, helping to constrain the mixing of […]
GEOTRACES Synthesis of Results
Since its launch in 2010, GEOTRACES implemented a three-pronged synthesis of results effort covering the main scientific themes of the programme: To undertake this effort, GEOTRACES partnered with other institutions and international […]
Unexpected magnitude of the hydrothermal iron inputs in the deep Pacific
Data from the US GEOTRACES Eastern Pacific Zonal Transect (EPZT, GP16) demonstrate that lateral transport of hydrothermal iron, manganese and aluminium extends up to 4000 km west of the southern […]
Coupling Rare Earth Elements concentrations, neodymium and radium isotopes: a powerful tool to decode environmental processes
For the first time, neodymium (Nd) isotopic compositions have been measured together with dissolved and colloidal Rare Earth Elements (REE) concentrations in the Amazon estuary salinity gradient, as part of […]
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