ASSESSMENT OF THE EXTERNAL EXPOSURE DOSE TO HUMANS FROM 137CS AND 90SR IN THE COASTAL WATERS OF THE BALTIC SEA NEAR LITHUANIA

被引：1
|
作者：
Daunaraviciene, A. [1 ]
Jasaitis, D. [1 ]
机构：
[1] Vilnius Gediminas Tech Univ, Fac Fundamental Sci, Dept Phys, Sauletekio Ave 11, LT-10223 Vilnius, Lithuania
来源：
APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH | 2017年 / 15卷 / 01期
关键词：
activity concentration; ionizing radiation; radionuclides; radioactivity; marine ecosystem; ARTIFICIAL RADIONUCLIDES; CS-137; SR-90; INVENTORIES;
D O I：
10.15666/aeer/1501_779785
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
At present the Baltic Sea is considered to be the most contaminated with anthropogenic radionuclides in comparison to any other part of the World Ocean. Anthropogenic radionuclides (mainly Cs-137 and Sr-90) found in the seawater are sources of the external exposure that contributes to the total radiation exposure to humans. The variations of activity concentrations of Cs-137 and Sr-90 in the water of the Baltic Sea near Lithuanian coast in 1985-2013 were analyzed. External exposure dose from these radionuclides to humans due to immersion in the seawater were calculated using the results of the measurements. An average external exposure dose from Cs-137 ranged between 6.28 nSv.h(-1) to 1.5 nSv.h(-1), from Sr-90 - between 1.73 nSv.h(-1) to 0.53 nSv.h(-1).
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收藏
页码：779 / 785
页数：7
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