Systematic survey of natural radioactivity of soil in Slovenia

被引：43

作者：

Kovacs, Tibor ^{[1
,2
]}

Szeiler, Gabor ^{[1
]}

Fabian, Ferenc ^{[1
]}

Kardos, Richard ^{[1
]}

Gregoric, Asta ^{[3
]}

Vaupotic, Janja ^{[3
]}

机构：

[1] Univ Pannonia, Inst Radiochem & Radioecol, H-8200 Veszprem, Hungary

[2] Social Org Radioecol Cleanliness, H-8200 Veszprem, Hungary

[3] Jozef Stefan Inst, Dept Environm Sci, Radon Ctr, Ljubljana 1000, Slovenia

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2013年 / 122卷

关键词：

Natural radioactivity; Soil analysis; Gamma-spectrometry; Alpha-spectrometry; Lithology; Gamma dose rate; EMANATION POWER; RADON EMANATION; SAMPLES; URANIUM; MAP; RADIONUCLIDES; INDOOR; RN-222; ENTRY; INDIA;

D O I：

10.1016/j.jenvrad.2013.02.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Soil samples, from 70 points uniformly distributed over entire Slovenia, were analysed for K-40, Th-232 and Ra-226 using gamma spectrometry, and for U-234 and U-238 using alpha spectrometry. The following ranges and averages of activity concentrations (Bq kg(-1)) were obtained: 98-2600 and 800 +/- 520 for K-40, 9-170 and 77 +/- 33 for Th-232, 12-270 and 63 +/- 44 for Ra-226, 12-84 and 34 +/- 19 for U-234, and 11-90 and 34 +/- 19 for U-238. With respect to lithology, the highest average values for K-40 and Th-232 were found at clastic sediments containing clay and for Ra-226 on carbonate rocks. Based on the measured activity concentrations, terrestrial gamma dose rates were calculated. The total dose rate ranged from 15 to 260 nGy h(-1), with arithmetic mean of 110 +/- 49 nGy h(-1), being the highest over carbonates. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：70 / 78

页数：9

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