Jussi Paatero1 , Blagorodka Veleva2, Juha Hatakka1 and Elena Hristova2 Finnish Meteorological Institute, Helsinki, Finland National Institute of Meteorology and Hydrology, Sofia, Bulgaria Jussi.Paatero@fmi.fi   Abstract A huge earthquake with a magnitude of 9.0 occurred east of the Honshu Island, Japan on 11 March 2011 05:46 UTC. The earthquake and especially the resulting tsunami wave […]

2010-227 RADON SHORT LIVED DAUGHTERS VARIATION IN SOFIA AND PLEVEN AND SOIL CONDITIONSBlagorodka Veleva 1, Plamen Videnov 1, Anna Tzenkova 1, Nikolai Galabov 1 1 NIMH-BAS, Bulgaria Abstract:Radon and its daughters’ radionuclides are useful tracers for atmospheric processes and atmospheric dispersion studies. The main source of 222Rn, 220Rn and 219Rn into the atmosphere are soil […]

2010-216 PRINCIPLES AND RESULTS DEVELOPED FOR MONITORING OF THE RADIOACTIVITY IN THE BULGARIAN BLACK SEA COASTAL ZONE Blagorodka Veleva 1, Maria Kolarova 1, George Mungov 1, Nikolai Galabov 11 NIMH-BAS, Sofia, Bulgaria Abstract:During the last 20 years the radiological pollution of the Black Sea from Chernobyl accident was extensively studied under several international and national […]

2010-206 METHODS DEVELOPMENT FOR DETERMINATION OF TRANSURANIC RADIONUCLIDES IN LOW ACTIVITY WASTE AND THEIR APPLICATION IN INTERCOMPARISON EXERCISEBojidar Slavchev 1, Blagorodka Veleva 2, Lyuben Dobrev 3, Antonina Nikiforova 3, Lidia Kinova 3,1 Institute for Nuclear Research and Nuclear Energy – BAS, Bulgaria2 NIMH-BAS, Bulgaria3 INRNE-BAS, Bulgaria Abstract:Man-made transuranic elements have been released into the environment […]

185 – The Bulgarian Emergency Response system development for dose assessment in the early stage of atmospheric accidental releases   D. Syrakov, B. Veleva, M. Prodanova, K. Slavov and M. Kolarova National Institute of Meteorology and Hydrology (NIMH), Bulgarian Academy of Sciences, Tzarigradsko shaussee, Sofia 1784, Bulgaria Email: blagorodka.veleva@meteo.bg   Abstract: The need of fast […]

081 – Short lived radon progeny as a tracer for the mixing processes in the PBL   B. S. Veleva, N. G. Valkov, E. A. Batchvarova and M. P. Kolarova National Institute of Meteorology and Hydrology, Bulgarian Academy of Sciences, Tzarigradsko shaussee, Sofia 1784, Bulgaria E-mail: blagorodka.veleva@meteo.bg Abstract:   The natural short lived beta radionuclides […]

A-321 : Comparative assessment of the atmospheric beta radioactivity in Finland and Bulgaria     B. Veleva 1 , J. Paatero 2 1 National Institute of Meteorology and Hydrology, Sofia , Bulgaria 2 Finnish Meteorological Institute, Sahaajankatu 20E, Helsinki, Finland Blagorodka.Veleva@meteo.bg     Abstract   Studying and monitoring of the atmospheric radioactivity has been well […]

A-127 : Time variation of dust concentration and deposition in Sofia during the period 1981 – 2002   Blagorodka Veleva National Institute of Meteorology and Hydrology – BAS, Sofia , Bulgaria e-mail: blagorodka.veleva@meteo.bg   In the present study are presented the long term data records of dust concentration and deposition in the region of Sofia […]