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dc.contributor.authorRandelhoff, Achim
dc.contributor.authorGuthrie, John D.
dc.date.accessioned2017-03-15T08:31:02Z
dc.date.available2017-03-15T08:31:02Z
dc.date.issued2016-08-24
dc.description.abstractDue to severe nutrient and light limitation, the central Arctic Ocean has been characterized as a region of low primary productivity, with high retention of carbon in the surface waters. Using an in-depth analysis of published and new measurements of turbulent microstructure and high-resolution profiles of nitrate concentration, we reassess the vertical supply of nitrate to the Polar Mixed Layer and the associated export of particulate organic matter across the nitracline. We estimate annual export production to be approximately 1.5–3 g C m−2, but regional differences in both current and future potential of export production are large, with the eastern Arctic being least constrained by vertical nutrient supply and the western Arctic the most. Future changes in export production are assessed using a 1-D budget model; increases in the Atlantic sector are possibly compensated by decreases in the rest of the central Arctic Ocean such that the net change might be insignificant.en_US
dc.description.sponsorshipFunded by CARBON BRIDGE (grant number: 226415). Norwegian Research Council. National Science Foundation (grant numbers: ARC-0909408, ARC-0856330). National Science Foundationen_US
dc.descriptionSource: <a href=http://dx.doi.org/10.1002/2016GL070252>Geophysical Research Letters, doi: 10.1002/2016GL070252</a>en_US
dc.identifier.citationRandelhoff, A., and J. D. Guthrie (2016), Regional patterns in current and future export production in the central Arctic Ocean quantified from nitrate fluxes, Geophys. Res. Lett., 43, 8600–8608, doi:10.1002/2016GL070252en_US
dc.identifier.cristinIDFRIDAID 1394742
dc.identifier.doi10.1002/2016GL070252
dc.identifier.issn0094-8276
dc.identifier.issn1944-8007
dc.identifier.urihttps://hdl.handle.net/10037/10679
dc.language.isoengen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.journalGeophysical Research Letters
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400en_US
dc.subjectVDP::Mathematics and natural science: 400en_US
dc.titleRegional patterns in current and future export production in the central Arctic Ocean quantified from nitrate fluxesen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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