Characterising the Radionuclide Fingerprint of an Advanced Gas-Cooled Nuclear Power Reactor

IF 1.9 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS pure and applied geophysics Pub Date : 2024-05-27 DOI:10.1007/s00024-024-03488-y
M. A. Goodwin, A. Petts, B. D. Milbrath, A. Ringbom, D. L. Chester, T. W. Bowyer, J. L. Burnett, J. Friese, L. Lidey, J. C. Hayes, P. W. Eslinger, M. Mayer, D. Keller, R. Sarathi, C. Johnson, M. Aldener, S. Liljegren, T. Fritioff, J. Kastlander, S. J. Leadbetter
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Abstract

Radionuclides are monitored in the atmosphere for the signatures of nuclear explosions, as part of the verification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Civil nuclear facilities, such as Nuclear Power Plants (NPPs) and Isotope Production Facilities (IPFs) are sources of anthropogenic radionuclides in the atmosphere and these signatures are sometimes indistinguishable to those of a nuclear explosion. In order to improve the understanding of civil radionuclide-emitting facilities and their impact on the International Monitoring System (IMS) of the CTBT, a group of scientists from the UK, US and Sweden are collaborating with EDF Energy UK to measure radionuclide emissions from an Advanced Gas-cooled Reactor (AGR) nuclear power station. Emissions are being measured at the source, via a stack monitor and high-resolution gamma spectrometry measurements of filters and also at tens of kilometres away via three sensitive radioxenon atmospheric samplers. The timing, isotopic composition, activity magnitudes and other release parameters of interest are investigated, to improve the discrimination between a civil radionuclide release and an explosive nuclear test. This paper outlines the work of the Xenon and Environmental Nuclide Analysis at Hartlepool (XENAH) collaboration, describes the equipment fielded and provides initial results from each measurement campaign.

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先进气冷堆核反应堆放射性核素特征描述
作为《全面禁止核试验条约》(CTBT)核查工作的一部分,对大气中的放射性核素进行监测,以寻找核爆炸的特征。核电站(NPP)和同位素生产设施(IPF)等民用核设施是大气中人为放射性核素的来源,这些特征有时与核爆炸的特征无法区分。为了更好地了解民用放射性核素排放设施及其对《全面禁核试条约》国际监测系统(IMS)的影响,一组来自英国、美国和瑞典的科学家正在与英国 EDF 能源公司合作,测量一座先进气冷堆(AGR)核电站的放射性核素排放。目前正在通过烟囱监测器和滤波器的高分辨率伽马能谱仪测量源头的排放物,并通过三个灵敏的放射性氙大气采样器测量几十公里外的排放物。对时间、同位素组成、放射性活度和其他相关释放参数进行了调查,以提高民用放射性核素释放与爆炸性核试验之间的鉴别能力。本文概述了哈特尔普尔氙与环境核素分析(XENAH)合作项目的工作,介绍了现场使用的设备,并提供了每次测量活动的初步结果。
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来源期刊
pure and applied geophysics
pure and applied geophysics 地学-地球化学与地球物理
CiteScore
4.20
自引率
5.00%
发文量
240
审稿时长
9.8 months
期刊介绍: pure and applied geophysics (pageoph), a continuation of the journal "Geofisica pura e applicata", publishes original scientific contributions in the fields of solid Earth, atmospheric and oceanic sciences. Regular and special issues feature thought-provoking reports on active areas of current research and state-of-the-art surveys. Long running journal, founded in 1939 as Geofisica pura e applicata Publishes peer-reviewed original scientific contributions and state-of-the-art surveys in solid earth and atmospheric sciences Features thought-provoking reports on active areas of current research and is a major source for publications on tsunami research Coverage extends to research topics in oceanic sciences See Instructions for Authors on the right hand side.
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