长期经验辐射探测器校准用于空中地球物理测量
Daniel A Haber1, Avery A Guild-Bingham2, Pamela C Burnley3
1Mission Support and Test Services, 2621 Losee Rd, North Las Vegas, 89030, NV, USA; University of Nevada, Las Vegas, 4505 S. Maryland Pkwy., Las Vegas, 89154, NV, USA.
Journal of environmental radioactivity
|November 13, 2025
概括
空中测量系统 (AMS) 证明了稳定,可靠的空中马射线调查,用于绘制自然存在的放射性物质 (NORM). 斯光谱提取方法在地质绘图和环境监测方面比国际原子能机构的窗口方法具有优势.
科学领域:
- 地质物理学 地质物理学
- 环境科学 环境科学
- 放射测量 放射测量 放射测量
背景情况:
- 空中马射线调查对于绘制自然存在的放射性物质 (NORM) 非常重要.
- 准确的空中测量系统的校准和验证对于可靠的数据至关重要.
- 空中测量系统 (AMS) 使用NaI(Tl) 探测器进行马射线检测.
研究的目的:
- 调查AMS固定和旋翼平台的长期校准和验证.
- 将国际原子能机构 (IAEA) 窗口方法与高斯光谱提取方法进行比较.
- 评估用于NORM映射应用的AMS的可靠性.
主要方法:
- 使用大面积校准对五架AMS飞机的实证校准 在大连,CO.
- 国际原子能机构窗口和高斯光谱提取方法对校准数据的比较.
- 分析了Mohave湖和政府洗区的空中调查数据,将结果与地面真相进行了比较.
主要成果:
- 在国际原子能机构和高斯方法之间,以及与地面真相测量 (在两个标准偏差范围内) 之间发现了良好的协议.
- 该AMS系统证明了NORM映射的稳定性和可靠性.
- 高斯方法显示了与国际原子能机构方法相比的潜在优势,可能减少同位素和高度依赖.
结论:
- AMS是一个稳定可靠的NORM映射系统.
- 高斯光谱提取方法是国际原子能机构窗口方法的可行替代方案,具有潜在的好处.
- 这些发现支持使用AMS数据进行地质绘图,环境监测和勘探.
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