Marine radioecology after the Fukushima Dai-ichi nuclear accident: Are we better positioned to understand the impact of radionuclides in marine ecosystems?

Autor: Vives I Batlle J; Belgian Nuclear Research Centre (SCK•CEN), Boeretang 200, 2400 Mol, Belgium. Electronic address: jordi.vives.i.batlle@sckcen.be., Aoyama M; Institute of Environmental Radioactivity, Fukushima University, Fukushima 960-1296, Japan., Bradshaw C; Department of Ecology, Environment, and Plant Sciences, Stockholm University, 10691 Stockholm, Sweden., Brown J; Norwegian Radiation Protection Authority (NRPA), Department of Emergency Preparedness and Environmental Radioactivity, Grini Næringspark 13, Postbox 55, NO-1332, Østerås, Norway., Buesseler KO; Woods Hole Oceanographic Institution, Woods Hole, MA 02543, United States., Casacuberta N; Laboratory of Ion Beam Physics, ETH-Zurich, Otto Stern Weg 5, 8093 Zurich, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, Environmental Physics, ETH-Zurich, Universitätstrasse 16, 8092 Zurich, Switzerland., Christl M; Laboratory of Ion Beam Physics, ETH-Zurich, Otto Stern Weg 5, 8093 Zurich, Switzerland., Duffa C; Institut de Radioprotection et de Sureté Nucléaire (IRSN), Centre de Cadarache, 13115 St Paul Lez Durance, France., Impens NREN; Belgian Nuclear Research Centre (SCK•CEN), Boeretang 200, 2400 Mol, Belgium., Iosjpe M; Norwegian Radiation Protection Authority (NRPA), Department of Emergency Preparedness and Environmental Radioactivity, Grini Næringspark 13, Postbox 55, NO-1332, Østerås, Norway., Masqué P; School of Science and Centre for Marine Ecosystems Research, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA 6027, Australia; Departament de Física & Institut de Ciència i Tecnologia Ambientals, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain., Nishikawa J; School of Marine Science and Technology, Tokai University, Shizuoka 424-8610, Japan.
Jazyk: angličtina
Zdroj: The Science of the total environment [Sci Total Environ] 2018 Mar 15; Vol. 618, pp. 80-92. Date of Electronic Publication: 2017 Nov 08.
DOI: 10.1016/j.scitotenv.2017.11.005
Abstrakt: This paper focuses on how a community of researchers under the COMET (CO-ordination and iMplementation of a pan European projecT for radioecology) project has improved the capacity of marine radioecology to understand at the process level the behaviour of radionuclides in the marine environment, uptake by organisms and the resulting doses after the Fukushima Dai-ichi nuclear accident occurred in 2011. We present new radioecological understanding of the processes involved, such as the interaction of waterborne radionuclides with suspended particles and sediments or the biological uptake and turnover of radionuclides, which have been better quantified and mathematically described. We demonstrate that biokinetic models can better represent radionuclide transfer to biota in non-equilibrium situations, bringing more realism to predictions, especially when combining physical, chemical and biological interactions that occur in such an open and dynamic environment as the ocean. As a result, we are readier now than we were before the FDNPP accident in terms of having models that can be applied to dynamic situations. The paper concludes with our vision for marine radioecology as a fundamental research discipline and we present a strategy for our discipline at the European and international levels. The lessons learned are presented along with their possible applicability to assess/reduce the environmental consequences of future accidents to the marine environment and guidance for future research, as well as to assure the sustainability of marine radioecology. This guidance necessarily reflects on why and where further research funding is needed, signalling the way for future investigations.
(Copyright © 2017 Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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