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Title: Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event

Abstract

We present an initial characterization of the input of 129I into the Pacific Ocean resulting from the 2011 Fukushima nuclear accident. This characterization is based primarily on 129I measurements on samples collected from a research cruise conducted in waters off the eastern coast of Japan in June 2011. The resulting 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 129I concentrations of ~300 μBq/m3 which represents an elevation of nearly three orders of magnitude compared to pre-Fukushima backgrounds. The 129I results were coupled with 137Cs measurements from the same cruise and derived an average 129I/137Cs activity ratio of 0.442 × 10-6 for the effluent from Fukushima. Finally, we present 129I 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 129I released into the Pacific.

Authors:
 [1];  [2];  [1];  [3];  [4]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Santa Cruz, CA (United States)
  3. Univ. of California, Santa Cruz, CA (United States)
  4. Woods Hole Research Center, Falmouth, MA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1237533
Report Number(s):
LLNL-JRNL-543396
Journal ID: ISSN 0236-5731
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Radioanalytical and Nuclear Chemistry
Additional Journal Information:
Journal Volume: 296; Journal Issue: 2; Journal ID: ISSN 0236-5731
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 22 GENERAL STUDIES OF NUCLEAR REACTORS; 16 TIDAL AND WAVE POWER; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; 129 iodine; fukushima; environmental radioactivity; accelerator mass spectrometry; ocean tracers

Citation Formats

Tumey, S. J., Guilderson, T. P., Brown, T. A., Broek, T., and Buesseler, K. O. Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event. United States: N. p., 2013. Web. doi:10.1007/s10967-012-2217-9.
Tumey, S. J., Guilderson, T. P., Brown, T. A., Broek, T., & Buesseler, K. O. Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event. United States. doi:10.1007/s10967-012-2217-9.
Tumey, S. J., Guilderson, T. P., Brown, T. A., Broek, T., and Buesseler, K. O. Tue . "Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event". United States. doi:10.1007/s10967-012-2217-9. https://www.osti.gov/servlets/purl/1237533.
@article{osti_1237533,
title = {Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event},
author = {Tumey, S. J. and Guilderson, T. P. and Brown, T. A. and Broek, T. and Buesseler, K. O.},
abstractNote = {We present an initial characterization of the input of 129I into the Pacific Ocean resulting from the 2011 Fukushima nuclear accident. This characterization is based primarily on 129I measurements on samples collected from a research cruise conducted in waters off the eastern coast of Japan in June 2011. The resulting 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 129I concentrations of ~300 μBq/m3 which represents an elevation of nearly three orders of magnitude compared to pre-Fukushima backgrounds. The 129I results were coupled with 137Cs measurements from the same cruise and derived an average 129I/137Cs activity ratio of 0.442 × 10-6 for the effluent from Fukushima. Finally, we present 129I 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 129I released into the Pacific.},
doi = {10.1007/s10967-012-2217-9},
journal = {Journal of Radioanalytical and Nuclear Chemistry},
number = 2,
volume = 296,
place = {United States},
year = {2013},
month = {4}
}

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    Advances on identification and animated simulations of radioactivity risk levels after Fukushima Nuclear Power Plant accident (with a data bank): A Critical Review
    journal, May 2019

    • Külahcı, Fatih; Bilici, Ahmet
    • Journal of Radioanalytical and Nuclear Chemistry, Vol. 321, Issue 1
    • DOI: 10.1007/s10967-019-06559-w

    Advances on identification and animated simulations of radioactivity risk levels after Fukushima Nuclear Power Plant accident (with a data bank): A Critical Review
    journal, May 2019

    • Külahcı, Fatih; Bilici, Ahmet
    • Journal of Radioanalytical and Nuclear Chemistry, Vol. 321, Issue 1
    • DOI: 10.1007/s10967-019-06559-w