Study of long term radon transport by measuring the difference of the 210Pb and 226Ra activity in soil as a function of the depth

被引：1
|
作者：
Schulz, H [1 ]
Funke, L [1 ]
Schellenberger, A [1 ]
机构：
[1] Radiookol GMBH Dresden, D-01326 Dresden, Germany
来源：
HEALTH PHYSICS | 2003年 / 84卷 / 02期
关键词：
radon; soil; environmental transport; tailings; uranium;
D O I：
10.1097/00004032-200302000-00012
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Long term radon transport has been studied by measuring the activity difference of Pb-210 and Ra-226 in soil as a function of the depth. The results are from test pits of 1-2 m depth made at a dam of a tailings pond and at the plateau of a waste rock pile. Soil samples of about 1 kg were taken at a successive distances of 5 cm and analyzed by means of gamma-ray spectroscopy using low background germanium n-type detectors. It is shown that by this method nearly model independent information about the radon transport over a period of several decades can be inferred from the data.
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页码：236 / 244
页数：9
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