Relevance of dissolved organic nutrients for the Arctic Ocean nutrient budget

Torres-valdes, Sinhue; Tsubouchi, Takamasa; Davey, Emily; Yashayaev, Igor; Bacon, Sheldon ORCID: https://orcid.org/0000-0002-2471-9373. 2016 Relevance of dissolved organic nutrients for the Arctic Ocean nutrient budget. Geophysical Research Letters, 43 (12). 6418-6426. 10.1002/2016GL069245

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Abstract/Summary

We ask whether dissolved organic nitrogen (DON) and phosphorus (DOP) could account for previously identified Arctic Ocean (AO) inorganic nutrient budget imbalances. We assess transports to/from the AO by calculating indicative budgets. Marked DON:DOP ratio differences between the Amerasian and Eurasian AO reflect different physical and biogeochemical pathways. DON and DOP are exported to the North Atlantic via Davis Strait potentially being enhanced in transit from Bering Strait. Fram Strait transports are balanced. Barents Sea Opening transports may provide an additional nutrient source to the Barents Sea or may be locked within the wider AO Atlantic Water circulation. Gaps in our knowledge are identified and discussed.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1002/2016GL069245
ISSN:	0094-8276
Additional Keywords:	Arctic Ocean Dissolved Organic Nutrients; Arctic Ocean Dissolved Organic Nitrogen; Arctic Ocean Dissolved Organic Phosphorus; Arctic Ocean Nutrient Budget; Arctic Ocean Nutrient Transports; pan-Arctic scale nutrient biogeochemistry
NORA Subject Terms:	Marine Sciences
Date made live:	02 Jun 2016 12:55 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/513745

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