The Role of Sea Ice in the Fate of Contaminants in the Arctic Ocean

Oct 8, 2003 - of sea ice in transporting contaminants in this region. It constitutes a passage for most of the water mass exchange of the Arctic Ocean...
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Environ. Sci. Technol. 2003, 37, 4848-4854

The Role of Sea Ice in the Fate of Contaminants in the Arctic Ocean: Plutonium Atom Ratios in the Fram Strait P E R E M A S Q U EÄ , * , † , | J . K I R K C O C H R A N , | DIERK HEBBELN,⊥ DAVID J. HIRSCHBERG,| D I R K D E T H L E F F , ‡,# A N D A M E L I E W I N K L E R §,# Marine Sciences Research Center, Stony Brook University, Stony Brook, New York 11794-5000, Fachbereich Geowissenschaften, University of Bremen, Postfach 330440, D-28334 Bremen, Germany, and GEOMAR, Research Center for Marine Geosciences, Wischhofstrasse 1-3, D-24148 Kiel, Germany

Atom ratios of 240Pu to 239Pu in bottom sediments from the Fram Strait are used to provide evidence for the long distance dispersion of Pu in the Arctic Ocean. In particular, low (