Articles | Volume 19, issue 8
https://doi.org/10.5194/tc-19-3107-2025
https://doi.org/10.5194/tc-19-3107-2025
Research article
 | 
18 Aug 2025
Research article |  | 18 Aug 2025

Trace metal distributions in the transition zone from the Greenland Ice Sheet to the surface water in Kangerlussuaq fjord (67° N)

Clara R. Vives, Jørgen Bendtsen, Rasmus D. Dahms, Niels Daugbjerg, Kristina V. Larsen, and Minik T. Rosing

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Short summary
Glacial rock flour (GRF) from Greenlandic glaciers transports silicate and trace metals into fjords, influencing marine biogeochemistry. Trace metal concentrations are high in riverine and low-salinity waters but decrease sharply as salinity increases, challenging estimates based on freshwater input alone. Silicate rises due to GRF weathering but declines in fjords due to mixing. Uranium and molybdenum originate from the ocean, highlighting complex trace metal and nutrient dynamics.
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