ACCUMULATION AND DISTRIBUTION OF LONG-LIVING RADIONUCLIDES IN THE FOREST ECOSYSTEMS OF THE KYSHTYM ACCIDENT ZONE

被引：0
|
作者：
KARAVAEVA, YN
KULIKOV, NV
MOLCHANOVA, IV
POZOLOTINA, VN
YUSHKOV, PI
机构：
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 1994年 / 157卷 / 1-3期
关键词：
KYSHTYM ACCIDENT; ENVIRONMENTAL CONTAMINATION; SR-90; CESIUM-137;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The concentration of Strontium-90 and Cesium-137 in soil and woody plants was studied in the Sverdlovsk region of the zone contaminated as a result of the Kyshtym accident in the southern Urals in 1957. In the forest ecosystems under study, the total concentration of strontium-90 varied from 1.5 to 63.4 kBq/m2, while that of cesium-137 did not exceed 13 kBq/m2. Soil contamination resulted in an increase in the concentration of radionuclides in woody plants. Thus, the concentration of strontium-90 in different parts of birch samples was higher than in the controls by a factor of 5-16, while for pine, it was higher by a factor of 2-4.
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页码：147 / 151
页数：5
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