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目的 对北京市2020—2024年环境γ辐射剂量率自动监测数据进行汇总与统计，分析监测数据主要影响因素，为管理和公众服务。方法 利用国控辐射环境自动监测站采集的数据进行统计分析。结果 5个环境站点2020—2024年γ剂量率年均值测值范围（60.9～90.3） nGy/h，年均值为71.4 nGy/h，标准差11.3 nGy/h，均在当地本底统计涨落范围内，单站点γ剂量率E > A > D > B > C。结论 各站点γ辐射水平稳定，监测结果与站点所在的周围环境密切相关。
Abstract：Objective To summarize and statistically analyze the automatic monitoring data of environmental gamma dose rates in Beijing, 2020-2024, identify the main influencing factors of the monitoring data, and inform management decisions and public services. Methods A statistical analysis was performed using data collected from national automatic radiation environment monitoring stations. Results For five environmental monitoring stations, the annual mean gamma dose rates from 2020 to 2024 ranged from 60.9 to 90.3 nGy/h. The overall annual mean was 71.4 nGy/h, with a standard deviation of11.3 nGy/h. All values were within the range of statistical fluctuations of the local natural background radiation. The gamma dose rates of monitoring stations followed the order of E > A > D > B > C. Conclusion The gamma radiation levels at all monitoring stations were stable, and the monitoring results were closely related to their surrounding environments.
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基本信息:
DOI：10.13491/j.issn.1004-714X.2025.06.004
中图分类号:X837
引用信息:
[1]高翔,李雪贞,曹乃家,等.环境γ辐射剂量率自动监测数据统计与分析[J].中国辐射卫生,2025,34(06):805-810.DOI:10.13491/j.issn.1004-714X.2025.06.004.
2025-12-15
2025-12-15