Worldwide marine radioactivity studies (WOMARS) : radionuclide levels in oceans and seas : final report of a coordinated research project
Author(s)
Bibliographic Information
Worldwide marine radioactivity studies (WOMARS) : radionuclide levels in oceans and seas : final report of a coordinated research project
(IAEA-TECDOC, 1429)
International Atomic Energy Agency, 2005
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  Aomori
  Iwate
  Miyagi
  Akita
  Yamagata
  Fukushima
  Ibaraki
  Tochigi
  Gunma
  Saitama
  Chiba
  Tokyo
  Kanagawa
  Niigata
  Toyama
  Ishikawa
  Fukui
  Yamanashi
  Nagano
  Gifu
  Shizuoka
  Aichi
  Mie
  Shiga
  Kyoto
  Osaka
  Hyogo
  Nara
  Wakayama
  Tottori
  Shimane
  Okayama
  Hiroshima
  Yamaguchi
  Tokushima
  Kagawa
  Ehime
  Kochi
  Fukuoka
  Saga
  Nagasaki
  Kumamoto
  Oita
  Miyazaki
  Kagoshima
  Okinawa
  Korea
  China
  Thailand
  United Kingdom
  Germany
  Switzerland
  France
  Belgium
  Netherlands
  Sweden
  Norway
  United States of America
Note
"IAEA-TECDOC-1429"
"January 2005"
Description and Table of Contents
Description
This publication summarizes the results of a Coordinated Research Project carried out by the IAEA's Marine Environment Laboratory in Monaco. The results obtained confirm that the dominant source of anthropogenic radionuclides in the marine environment is global fallout; however, important contributions have also been due to authorized releases of radionuclides to the marine environment from the Sellafield and Cap de la Hague reprocessing plants, as well as from the Chernobyl accident. Time trends in radionuclide concentrations in surface water were studied and radionuclide mean residence times in the world oceans were estimated. Similar mean residence times were obtained for 90Sr and 137Cs, 28 +/- 3 years, and 13 +/- 1 year for 239,240Pu. The results provide the most complete data set available to Member States on levels of anthropogenic radionuclides in the marine environment. They are used as the international reference source on the average levels of anthropogenic radionuclides in the marine environment, so that any further contributions from nuclear reprocessing plants, radioactive waste disposal sites, nuclear bomb test sites and possible nuclear accidents can be identified.
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