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2006 | 4 | 4 | 417-428

Article title

Radionuclides in deposition in the Ignalina NPP region in 2005


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Results of radionuclide activity concentration measurements in deposition and ground-level air conducted at the station of the Institute of Physics situated 3.5 km from the Ignalina Nuclear Power Plant (Ignalina NPP) in 2005 are analyzed. Atmospheric depositional fluxes of 7Be, 60Co and 137Cs are estimated. Radionuclide particle deposition rates are calculated. The Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model of the global dispersion and deposition is used to explain variations in the 137Cs activity concentration in the ground-level air in the Ignalina NPP region in 2005. An increase in the 137Cs activity concentration of up to 17.4 µBq m−3 on 30 October-5 November is studied. Modelling results show that the Chernobyl NPP Unit 4 Sarcophagus and the radiocaesium resuspension from the Chernobyl NPP accident polluted regions are sources of 137Cs to the environment of the Ignalina NPP. Results on solubility in water of aerosols - carriers of 137Cs - are discussed.










Physical description


1 - 12 - 2006
1 - 12 - 2006


  • Institute of Physics, Savanoriu 231, 02300, Vilnius, Lithuania
  • Institute of Physics, Savanoriu 231, 02300, Vilnius, Lithuania


  • [1] R. Jasiulionis, A. Rožkov and L. Vyčinas: “Radionuclides in the ground-level air and deposition in the Ignalina NPP region in 2002–2005”, Lith. J. Phys., Vol. 46(1), (2006), pp. 101–108. http://dx.doi.org/10.3952/lithjphys.46111[Crossref]
  • [2] R. Jasiulionis and I. Savickaité: “Radionuclides in ground-level air and deposits near Ignalina NPP”, Nukleonika, Vol. 46(4), (2001), pp. 183–187.
  • [3] R. Jasiulionis and H. Wershofen: “A study of the vertical diffusion of the cosmogenic radionuclides, 7Be and 22Na in the atmosphere”, J. Environ. Radioactiv., Vol. 79(2), (2005), pp. 157–169. http://dx.doi.org/10.1016/j.jenvrad.2004.06.003[Crossref]
  • [4] V. Yoschenko, V. Kashparov et al.: “Resuspension and redistribution of radionuclides during grassland and forest fires in the Chernobyl exclusion zone: part I. Fire experiment”, J. Environ. Radioactiv., Vol. 86(2), (2006), pp. 143–163. http://dx.doi.org/10.1016/j.jenvrad.2005.08.003[Crossref]
  • [5] B. Ogorodnikov, A. Budyka and N. Pavluchenko: “Release of radioactive aerosols from the object “Shelter” during strong winds”, Radiation Biology. Radioecology, Vol. 45(2), (2005), pp. 227–235 (in Russian).
  • [6] Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization: Evaluation of the atmospheric transport modelling tools used at the provisional technical secretariat, Vienna International Centre, Austria, 2001.
  • [7] R.R. Draxler and G.D. Hess: “An overview of the HYSPLIT_4 modelling system for trajectories, dispersion and deposition”, Aust. Meteorol. Mag., Vol. 47, (1998), pp. 295–308, http://www.arl.noaa.gov/ready/hysplit4.html.
  • [8] A. Ioannidou and C. Papastefanou: “Precipitation scavenging of 7Be and 137Cs radionuclides in air”, J. Environ. Radioactiv., Vol. 85(1), (2006), pp. 121–136. http://dx.doi.org/10.1016/j.jenvrad.2005.06.005
  • [9] E. Garger et al.: “Measurement of resuspended aerosol in the Chernobyl area. Part I. Discussion of instrumentation and estimation of measurement uncertainty”, Radiat. Environ. Bioph., Vol. 36(3), (1997), pp. 139–148. http://dx.doi.org/10.1007/s004110050065[Crossref]

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