Drifter-based estimate of the 5 year dispersal of Fukushima-derived radionuclides
Rypina, Irina I.
Jayne, Steven R.
Macdonald, Alison M.
Buesseler, Ken O.
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KeywordDrifter-based estimate of dispersal of Fukushima-derived radionuclides; Fukushima nuclear disaster; Fukushima tracer dispersal; North Pacific; Drifters
Employing some 40 years of North Pacific drifter-track observations from the Global Drifter Program database, statistics defining the horizontal spread of radionuclides from Fukushima nuclear power plant into the Pacific Ocean are investigated over a time scale of 5 years. A novel two-iteration method is employed to make the best use of the available drifter data. Drifter-based predictions of the temporal progression of the leading edge of the radionuclide distribution are compared to observed radionuclide concentrations from research surveys occupied in 2012 and 2013. Good agreement between the drifter-based predictions and the observations is found.
Author Posting. © American Geophysical Union, 2014. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 119 (2014): 8177–8193, doi:10.1002/2014JC010306.
Suggested CitationJournal of Geophysical Research: Oceans 119 (2014): 8177–8193
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