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Marine radioactivity assessment of Mururoa and Fangataufa atolls. 1999

P P Povinec, and D Woodhead, and P Blowers, and R Bonfield, and M Cooper, and Q Chen, and H Dahlgaard, and C Dovlete, and V Fox, and K Froehlich, and J Gastaud, and M Gröning, and T Hamilton, and Y Ikeuchi, and G Kanisch, and A Krüger, and L L Kwong, and M Matthews, and U Morgenstern, and S Mulsow, and H Pettersson, and P Smedley, and B Taylor, and C Taylor, and R Tinker
Marine Environment Laboratory, International Atomic Energy Agency, Monaco. p.povinec@iaea.org

The International Atomic Energy Agency (IAEA) carried out an international project. 'The Study of the Radiological Situation at the Atolls of Mururoa and Fangataufa' with the aim of assessing the present and future radiological situation at the atolls and making recommendations for either monitoring or remedial actions if they are deemed necessary. The paper concentrates on marine radioactivity aspects and gives an estimation of present radionuclide concentrations in water, sediment and biota of the Mururoa and Fangataufa lagoons and the surrounding ocean. The dominant radionuclide in both lagoons is Pu in sediments (the total inventory is approximately 30 TBq). A decline in radionuclide concentrations has been observed in recent years in lagoon water, with the exception of 3H and 90Sr, for which a contribution from underground sources is to be expected. Radionuclide concentrations in biota from the lagoons and the surrounding ocean are low and consistent with previous measurements. The observed radionuclide concentrations in both lagoons imply that no radiological risk exists for hypothetical inhabitants of Mururoa and Fangataufa Atolls.

UI MeSH Term Description Entries
D007391 International Cooperation The interaction of persons or groups of persons representing various nations in the pursuit of a common goal or interest. Foreign Aid,Treaties,Aid, Foreign,Cooperation, International,Treaty
D009689 Nuclear Warfare Warfare involving the use of NUCLEAR WEAPONS. Atomic Warfare,Warfare, Atomic,Warfare, Nuclear
D010139 Pacific Islands The islands of the Pacific Ocean divided into MICRONESIA; MELANESIA; and POLYNESIA (including NEW ZEALAND). The collective name Oceania includes the aforenamed islands, adding AUSTRALIA; NEW ZEALAND; and the Malay Archipelago (INDONESIA). (Webster's New Geographical Dictionary, 1988, p910, 880) Pacific Island,Micronesia-Polynesia
D010140 Pacific Ocean Body of water between Asia and South America, extending from the Arctic circle to the Equator and from the Equator to the Antarctic.
D011834 Radiation Monitoring The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards. Monitoring, Radiation
D011868 Radioisotopes Isotopes that exhibit radioactivity and undergo radioactive decay. (From Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Daughter Isotope,Daughter Nuclide,Radioactive Isotope,Radioactive Isotopes,Radiogenic Isotope,Radioisotope,Radionuclide,Radionuclides,Daughter Nuclides,Daugter Isotopes,Radiogenic Isotopes,Isotope, Daughter,Isotope, Radioactive,Isotope, Radiogenic,Isotopes, Daugter,Isotopes, Radioactive,Isotopes, Radiogenic,Nuclide, Daughter,Nuclides, Daughter
D005399 Fishes A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012623 Seawater The salinated water of OCEANS AND SEAS that provides habitat for marine organisms. Sea Water,Sea Waters,Seawaters,Water, Sea,Waters, Sea
D014875 Water Pollutants, Radioactive Pollutants, present in water or bodies of water, which exhibit radioactivity. Pollutants, Radioactive Water,Radioactive Water Pollutants

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