{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T07:02:58Z","timestamp":1772262178651,"version":"3.50.1"},"reference-count":51,"publisher":"Copernicus GmbH","issue":"2","license":[{"start":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T00:00:00Z","timestamp":1524009600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005416","name":"Norges Forskningsr\u00e5d","doi-asserted-by":"publisher","award":["226415"],"award-info":[{"award-number":["226415"]}],"id":[{"id":"10.13039\/501100005416","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ocean Sci."],"abstract":"<jats:p>Abstract. The future of Arctic marine ecosystems has received increasing attention in\nrecent years as the extent of the sea ice cover is dwindling. Although the\nPacific and Atlantic inflows both import huge quantities of nutrients and\nplankton, they feed into the Arctic Ocean in quite diverse regions. The\nstrongly stratified Pacific sector has a historically heavy ice cover, a\nshallow shelf and dominant upwelling-favourable winds, while the Atlantic\nsector is weakly stratified, with a dynamic ice edge and a complex\nbathymetry. We argue that shelf break upwelling is likely not a universal but\nrather a regional, albeit recurring, feature of \u201cthe new Arctic\u201d. It is the\nregional oceanography that decides its importance through a range of diverse\nfactors such as stratification, bathymetry and wind forcing. Teasing apart\ntheir individual contributions in different regions can only be achieved by\nspatially resolved time series and dedicated modelling efforts. The Northern\nBarents Sea shelf is an example of a region where shelf break upwelling\nlikely does not play a dominant role, in contrast to the shallower shelves\nnorth of Alaska where ample evidence for its importance has already\naccumulated. Still, other factors can contribute to marked future increases\nin biological productivity along the Arctic shelf break. A warming inflow of\nnutrient-rich Atlantic Water feeds plankton at the same time as it melts the sea ice,\npermitting increased photosynthesis. Concurrent changes in sea ice cover and\nzooplankton communities advected with the boundary currents make for a\ncomplex mosaic of regulating factors that do not allow for Arctic-wide\ngeneralizations.<\/jats:p>","DOI":"10.5194\/os-14-293-2018","type":"journal-article","created":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T05:42:45Z","timestamp":1524030165000},"page":"293-300","source":"Crossref","is-referenced-by-count":32,"title":["Short commentary on marine productivity at Arctic shelf breaks: upwelling, advection and vertical mixing"],"prefix":"10.5194","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7947-9090","authenticated-orcid":false,"given":"Achim","family":"Randelhoff","sequence":"first","affiliation":[]},{"given":"Arild","family":"Sundfjord","sequence":"additional","affiliation":[]}],"member":"3145","published-online":{"date-parts":[[2018,4,18]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"Aagaard, K. and Carmack, E. 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