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Natural Hazards and Earth System Sciences

机译:自然灾害与地球系统科学

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摘要

Analysis of published data characterising seasonal variability of domestic radon concentrations in Europe and elsewhere shows significant variability between different countries and between regions where regional data is available. Comparison is facilitated by application of the Gini Coefficient methodology to reported seasonal variation data. Overall, radon-rich sedimentary strata, particularly high-porosity limestones, exhibit high seasonal variation, while radon-rich igneous lithologies demonstrate relatively constant, but somewhat higher, radon concentrations. High-variability regions include the Pennines and South Downs in England, Languedoc and Brittany in France, and especially Switzerland. Low-variability high-radon regions include the granite-rich Cornwall/Devon peninsula in England, and Auvergne and Ardennes in France, all components of the Devonian-Carboniferous Hercynian belt.
机译:对已发表的表征欧洲和其他地区国内ra浓度的季节性变化特征的数据的分析表明,不同国家之间以及可获得区域数据的地区之间存在显着差异。通过将基尼系数方法应用于报告的季节性变化数据,可以促进比较。总体而言,富含ra的沉积岩层,特别是高孔隙度的石灰岩,表现出较高的季节变化,而富含ra的火成岩岩性表现出相对恒定但略高的ra浓度。高变地区包括英格兰的Pennines和South Downs,法国的Languedoc和Brittany,尤其是瑞士。低变异性高rad地区包括英格兰的富含花岗岩的康沃尔/德文半岛以及法国的奥弗涅和阿登地区,它们都是泥盆纪-石炭纪海西带的所有组成部分。

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