| XU Cuihua,REN Tianshan,ZHOU Qiang,et al.Identification of events in environmental radioactivity monitoring with gamma spectrometry analysis[J].Chinese Journal of Radiological Medicine and Protection,2003,23(2):126-129 |
| Identification of events in environmental radioactivity monitoring with gamma spectrometry analysis |
| Received:September 10, 2002 |
| DOI： |
| KeyWords:Radionuclides Environmental monitoring Nuclear event Gamma spectrometry analysis Activity ratio |
| FundProject:国防科工委预研基金资助项目(56010420310) |
| Author Name | Affiliation | | XU Cuihua | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | REN Tianshan | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | ZHOU Qiang | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | 张庆 | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | 耿秀生 | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China |
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| Abstract:: |
| Objective To develop techniques for identification of nuclear events based on the data of radionuclides released into the atomosphere during nuclear events and acquired in environmental radioactivity monitoring with gamma spectrometry analyzing. Methods The verdiction of type of the nuclear events via its characteristic radionuclides measured in remote environmental radioactivity monitoring, and via the estimation of events date using the activity ratio of the radionuclides to their daughters.To assure the quality of the monitoring some requirements for sample collection and gamma spectrometry system configuration were proposed. Results It has been proved that the results deduced with the methods proposed in this paper conformed well with the facts.The deductions were based on retrospection of the past monitoring results for nuclear test events and for the Chernobyl accident. Conclusion The method which is proposed in this paper for verdiction of the type of nuclear events by using the characteristic radionuclides and by estimating the event date in environmental radioactivity monitoring are dependable. |
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