NDLI: Input of $^{129}$I into the western Pacific Ocean resulting from the Fukushima nuclear event

Content Provider	Springer Nature Link
Author	Tumey, S. J. Guilderson, T. P. Brown, T. A. Broek, T. Buesseler, K. O.
Copyright Year	2013
Abstract	We present an initial characterization of the input of $^{129}$I into the Pacific Ocean resulting from the 2011 Fukushima nuclear accident. This characterization is based primarily on $^{129}$I measurements on samples collected from a research cruise conducted in waters off the eastern coast of Japan in June 2011. These measurements were compared with samples intended to reflect pre-Fukushima background that were collected during a May 2011 transect of the Pacific by a commercial container vessel. In surface waters, we observed peak $^{129}$I concentrations of ~300 μBq/m$^{3}$ which represents an elevation of nearly three orders of magnitude compared to pre-Fukushima backgrounds. We coupled our $^{129}$I results with $^{137}$Cs measurements from the same cruise and derived an average $^{129}$I/$^{137}$Cs activity ratio of 0.442 × 10$^{−6}$ for the effluent from Fukushima. Finally, we present $^{129}$I depth profiles from five stations from this cruise which form the basis for future studies of ocean transport and mixing process as well as estimations of the total budget of $^{129}$I released into the Pacific.
Starting Page	957
Ending Page	962
Page Count	6
File Format	PDF
ISSN	02365731
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume Number	296
Issue Number	2
e-ISSN	15882780
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-04-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	$^{129}$Iodine Fukushima Environmental radioactivity Accelerator mass spectrometry Ocean tracers Nuclear Chemistry Physical Chemistry Nuclear Physics, Heavy Ions, Hadrons Diagnostic Radiology Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Pollution Health, Toxicology and Mutagenesis Radiology, Nuclear Medicine and Imaging Analytical Chemistry Public Health, Environmental and Occupational Health Nuclear Energy and Engineering

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