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Drifting Arctic sea ice archives changes in ocean surface conditions
Environmental Science Department, Barnard College, Columbia University, New York, New York, USA
Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, USA
Geophysical Institute, University of Alaska Fairbanks, Fairbanks, Alaska, USA
Geophysical Institute, University of Alaska Fairbanks, Fairbanks, Alaska, USA
Leibniz-Institut für Meereswissenschaften an der Universität Kiel (IFM-GEOMAR), Kiel, Germany
δ18O profiles in drifting Arctic sea ice are coupled with back trajectories of ice drift and an ice growth model to reconstruct the surface hydrography of the Arctic Ocean interior. The results compare well with δ18O values obtained by traditional oceanographic methods and known water mass distributions. Analysis of the stable isotopic composition of sea ice floes sampled at strategic and relatively accessible locations, e.g., Fram Strait, could aid in mapping spatial and temporal variations in Arctic Ocean surface waters.
Received 3 June 2004; accepted 3 September 2004; published 8 October 2004.
Citation: (2004), Drifting Arctic sea ice archives changes in ocean surface conditions, Geophys. Res. Lett., 31, L19401, doi:10.1029/2004GL020666.
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