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  • H.S. Findlay
  • L.A. Edwards
  • C.N. Lewis
  • G.A. Cooper
  • R. Clement
  • N. Hardman-Mountford
  • S. Vagle
  • L.A. Miller
With the Arctic summer sea-ice extent in decline, questions are arising as to how changes in sea-ice dynamics might affect biogeochemical cycling and phenomena such as carbon dioxide (CO2) uptake and ocean acidification. Recent field research in these areas has concentrated on biogeochemical and CO2 measurements during spring, summer or autumn, but there are few data for the winter or winter–spring transition, particularly in the High Arctic. Here, we present carbon and nutrient data within and under sea ice measured during the Catlin Arctic Survey, over 40 days in March and April 2010, off Ellef Ringnes Island (78° 43.11′ N, 104° 47.44′ W) in the Canadian High Arctic. Results show relatively low surface water (1–10 m) nitrate (
Original languageEnglish
JournalPolar Research
Publication statusPublished - 9 Dec 2015

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