Ocean Science
Ocean Science
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Articles | Volume 21, issue 6
Articles | Volume 21, issue 6
https://doi.org/10.5194/os-21-3089-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-3089-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 6
Research article
 | 
25 Nov 2025
Research article |  | 25 Nov 2025

Seasonal interplay of water mass mixing and nutrient dynamics in an Arctic fjord: a case study of Kongsfjorden, Svalbard

Hyebin Kim, Dukki Han, Sang Rul Park, and Tae-Hoon Kim

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Short summary
In the Arctic's Kongsfjorden, we distinguished the effects of physical water mixing from biological activity on nutrient dynamics. By calculating a "nutrient anomaly" (ΔNutrient), we quantified how biological uptake drives a seasonal shift from a nutrient-rich spring to a nutrient-limited summer. This approach reveals a "biogeochemical memory" of the spring bloom and helps predict the fjord's response to climate change, offering crucial insights into Arctic ecosystem productivity.
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