Radioactivity measurements in air over Europe after the Chernobyl accident |
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| Institution: | 1. Samsung Electronics Co., Ltd., Maetandong 416, Suwon, Gyeonggi-do, South Korea;2. USC Marshall School of Business, Los Angeles, CA 90089-0808, USA;3. USC Institute for Creative Technologies, 12015 Waterfront Drive, Building #4, Playa Vista, CA 90094-2536, USA;4. KAIST U-VR Lab, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, South Korea;1. College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China;2. Department of Pharmacy, Changchun Medical College, Jilin Street 6177, Changchun 130031, PR China;3. Changchun Jilin University Little Swan Instruments Co., Ltd., Chuangxin Road 1203, Changchun 130012, PR China;4. College of Instrumentation & Electrical Engineering, Jilin University, Ximinzhu Street 938, Changchun 130061, PR China;1. Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1 Bld. 3, Moscow 119991, Russia;2. Institute of Physical Chemistry and Electrochemistry RAS, Leninsky Av.,31 Bld. 1, Moscow 119991, Russia;3. Karpov Physical Chemistry Institute, Vorontsovo Pole Str. 10, Moscow 105064, Russia;4. Khlopin Radium Institute, 2nd Murinsky Av. 28, St. Petersburg 194021, Russia;5. Kurchatov Institute, Akademika Kurchatova 1, Moscow 123098, Russia |
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| Abstract: | A comprehensive European data set of radioactivity in air caused by the accident at the Chernobyl nuclear power plant is presented. For the first 2 weeks after the beginning of the release, levels of particulate I-131, Cs-134 and Cs-137 (85 locations) and of total I-131 (10 locations) are given. All data are stored in a computerized data base. For the first time the passage of the Chernobyl cloud over Europe is mapped after re-averaging the time histories in each location to produce coherent daily concentrations. Cs-134/Cs-137 ratios were analyzed: the ‘European’ average ratio calculated from 1239 samples is 0.55, with a standard deviation of 0.25. |
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