Halocarbon ratio and tritium/3He dating of water masses in the Nansen Basin, Arctic Ocean

D. W.R. Wallace, P. Schlosser, M. Krysell, G. Bönisch

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39 Scopus citations


Three separate tracer ratio-based water mass ages (CCl4/F11, tritium/3 He and F11/F12) are calculated for the 1987 oceanographic section by R.V. Polarstern across the Nansen Basin, Arctic Ocean. The CCl4/F11 ratio ages are shown to be in good agreement with the apparent tritium/3He ages throughout the age range studied (5\2-30 years) and with F11/F12 ages in the age range for which such comparisons can be made (16\2-30 years). A simple box model (integrated to 1987) shows that for CC14/F11 and tritium/3He ages less than 12 years, the apparent ages should be close to the mean age of the water sampled. The distribution of the tracer ages is discussed with respect to the circulation of water masses in the Nansen Basin.

Original languageEnglish (US)
Pages (from-to)S435-S458
JournalDeep Sea Research Part A, Oceanographic Research Papers
Issue number2 PART 1
StatePublished - Sep 1992
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)


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