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Galeriu, D.*; Melintescu, A.*; Strack, S.*; Atarashi-Andoh, Mariko; Kim, S. B.*
Journal of Environmental Radioactivity, 118, p.40 - 56, 2013/04
Times Cited Count：38 Percentile：70.88(Environmental Sciences)Tritium transfer from atmosphere to plants and the subsequent conversion into organically bound tritium (OBT) strongly depends on the plant characteristics, seasons, and meteorological conditions, which have a large variability. This review presents an overview of relevant experimental data for many plants including wheat, rice, and soybean during short-term exposure. Tritiated water (HTO) uptake by plants during the daytime or nighttime has an important role in further OBT synthesis. OBT formation in crops depends on the development stage, length, and condition of exposure. OBT translocation to the edible plant parts differs between the crops analysed. The present study is a preliminary step for the development of a robust model of crop contamination after an HTO accidental release.
Koarashi, Jun; Davis, P. A.*; Galeriu, D.*; Melintescu, A.*; Saito, Masahiro*; Siclet, F.*; Uchida, Shigeo*
Journal of Environmental Radioactivity, 99(10), p.1671 - 1679, 2008/10
Times Cited Count：12 Percentile：27.77(Environmental Sciences)Carbon-14 (
C) is one of the most important radionuclides from the perspective of dose estimation due to the nuclear fuel cycle. Ten years of monitoring data on C in airborne emissions, in atmospheric CO
and in rice grain collected around the Tokai reprocessing plant (TRP) showed an insignificant radiological effect of the TRP-derived C on the public, but suggested a minor contribution of the TRP-derived C to atmospheric C concentrations, and an influence on C concentrations in rice grain at harvest. This paper also summarizes a modelling exercise (the so-called rice scenario of the IAEA's EMRAS program) in which C concentrations in air and rice predicted with various models were compared with observed concentrations. The modelling results showed that Gaussian plume models with different assumptions predict monthly-averaged C concentrations in air well and also that specific activity and dynamic models were equally good for the prediction of inter-annual changes in C concentrations in rice grain.
Cs from Chernobyl fallout in the Iput River catchment area of RussiaThiessen, K. M.*; Sazykina, T. G.*; Apostoaei, A. I.*; Balonov, M. I.*; Crawford, J.*; Domel, R.*; Fesenko, S.*; Filistovic, V.*; Galeriu, D.*; Homma, Toshimitsu; et al.
Journal of Environmental Radioactivity, 84(2), p.225 - 244, 2005/00
Times Cited Count：7 Percentile：17.22(Environmental Sciences)Data collected following the Chernobyl accident in 1986 have provided a unique opportunity to test the reliability of computer models for contamination of terrestrial and aquatic environments. The Iput River scenario was used by the Dose Reconstruction Working Group of BIOMASS. The test area was one of the most highly contaminated areas in Russia following the accident, with an average contamination density of Cs of 800, 000 Bq m
and localized contamination up to 1,500,000 Bq m, and a variety of countermeasures that were implemented in the test area had to be considered in the modelling exercise. Difficulties encountered during the exercise included averaging of data to account for uneven contamination of the test area, simulating the downward migration and decrease in bioavailability of Cs in soil, and modelling the effectiveness of countermeasures. The accuracy of model predictions is dependent at least in part on the experience and judgment of the participant in interpretation of input information, selection of parameter values, and treatment of uncertainties.
Cs from Chernobyl fallout in the Iput River catchment area of RussiaThiessen, K. M.*; Sazykina, T. G.*; Apostoaei, A. I.*; Balonov, M.*; Crawford, J.*; Domel, R.*; Fesenko, S.*; Filistovic, V.*; Galeriu, D.*; Homma, Toshimitsu; et al.
Proceedings from the International Conference on Radioactivity in the Environment, p.317 - 320, 2002/09
no abstracts in English
