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Mapping the geogenic radon potential: methodology and spatial analysis for central Hungary

机译：绘制地质genic气潜力图：匈牙利中部的方法和空间分析

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摘要

A detailed geogenic radon potential (GRP) mapping based on field soil gas radon and soil gas permeability measurements was carried out in this study. A conventional continuous variable approach was used in this study for GRP determination and to test its applicability to the selected area of Hungary. Spatial pattern of soil gas radon concentration, soil permeability and GRP and the relationship between geological formations and these parameters were studied by performing detailed spatial analysis. Exploratory data analysis revealed that higher soil gas radon activity concentration and GRP characterizes the mountains and hills than the plains. The highest values were found in the proluvial-deluvial sediments, rock debris on the downhill slopes eroded from hills. Among the Quaternary sediments, which characterize the study area, the fluvial sediment has the highest values, which are also located in the hilly areas. The lowest values were found in the plain areas covered by drift sand, fluvioeolic sand, fluvial sand and loess. As a conclusion, radon is related to the sediment cycle in the study area. A geogenic radon risk map was created, which assists human health risk assessment and risk reduction since it indicates the potential of the source of indoor radon. The map shows that low and medium geogenic radon potential characterizes the study area in central Hungary. High risk occurs only locally. The results reveal that Quaternary sediments are inhomogeneous from a radon point of view, fluvial sediment has medium GRP, whereas the other rock formations such as drift sand, fluioeolic sand, fluvial sand and loess, found in the study area, have low GRP.
机译：在这项研究中，基于野外土壤gas气和土壤气体渗透率测量进行了详细的地质geo气势（GRP）测绘。本研究使用常规的连续变量方法确定GRP，并测试其在匈牙利选定地区的适用性。通过进行详细的空间分析，研究了土壤gas浓度，土壤渗透率和GRP的空间格局以及地质构造与这些参数之间的关系。探索性数据分析表明，山地和丘陵比平原地区具有更高的土壤气体ra活度浓度和GRP。最高值出现在冲积河流冲积物，山丘侵蚀的下坡斜坡上的岩石碎屑上。在表征研究区的第四纪沉积物中，河流沉积物的价值最高，也位于丘陵地区。最低值出现在流沙，河藻砂，河床砂和黄土覆盖的平原地区。结论是，ra与研究区域的沉积物循环有关。创建了地质geo气风险图，因为它表明了室内ra气的潜在来源，因此有助于人类健康风险评估和风险降低。地图显示匈牙利中部的研究区具有中低成因geo气潜力。高风险仅在本地发生。结果表明，从a的角度看，第四纪沉积物是不均匀的，河流沉积物的GRP中等，而研究区发现的其他岩层（如流沙，流砂，河流沙和黄土）的GRP却很低。

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  • 来源
    《Journal of Environmental Radioactivity》 |2014年第3期|107-120|共14页
  • 作者

    Katalin Zsuzsanna Szabo; Gyozo Jordan; Akos Horvath; Csaba Szabo;

  • 作者单位

    Lithosphere Fluid Research Laboratory, Department of Petrology and Geochemistry, Eoetvoes University, Pazmany Peter setany 1/C, 1117 Budapest, Hungary;

    Institute for Geological and Geochemical Research, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Budaoersi ut 45. 1112 Budapest, Hungary;

    Department of Atomic Physics, Eoetvoes University, Pazmany Peter setany 1/A, 1117 Budapest, Hungary;

    Lithosphere Fluid Research Laboratory, Department of Petrology and Geochemistry, Eoetvoes University, Pazmany Peter setany 1/C, 1117 Budapest, Hungary;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hungarian geogenic radon potential; Soil gas radon; Soil gas permeability; Spatial modeling;

    机译：匈牙利地质geo气势;土壤gas气;土壤气体渗透率;空间建模;

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