Transfer parameters of radionuclides from soil to plants at the area of craters produced by underground nuclear explosions at the Semipalatinsk test site

被引：8

作者：

Larionova, N. V. ^{[1
]}

Lukashenko, S. N. ^{[2
]}

Lyakhova, O. N. ^{[1
]}

Aidarkhanova, A. K. ^{[1
]}

Kunduzbayeva, A. Ye. ^{[1
]}

Kabdyrakova, A. M. ^{[1
]}

Krivitskiy, P. Ye. ^{[1
]}

Polevik, V. V. ^{[3
]}

Aidarkhanov, O. ^{[1
]}

机构：

[1] Inst Radiat Safety & Ecol, NNC, Kurchatov, Kazakhstan

[2] Russian Inst Radiol & Agroecol, Obninsk, Russia

[3] Shakarim State Univ, Semey, Kazakhstan

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2021年 / 237卷

关键词：

Semipalatinsk test site (STS); Artificial radionuclides; Cesium (137Cs); Strontium (90Sr); Americium (241Am); Plutonium(239+240Pu); Plants; Transfer factor (Tf);

D O I：

10.1016/j.jenvrad.2021.106684

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A study to determine Cs-137, Sr-90, Am-241, Pu239+240 radionuclides in vegetation cover of the area of craters produced by underground nuclear explosions at the Semipalatinsk test site (STS) is summarised in this paper. Transfer factors (Tf) required for the quantitative description of the radionuclides transition from the soil to aboveground plant parts were found to be highest for sagebrush (Artemisia sublessingiana), Tf values for Sr-90 were gradually decreasing with increasing distance from the dump zone. When arranging the radionuclide transferring factors in descending order, the following sequence was ob-tained: Sr-90 Tf > Cs-137 Tf > Am-241 Tf > Pu239+240 Tf, which is consistent with International data. All Tf derived are much higher than those ones derived earlier for epicenters of aboveground nuclear tests and are closest to values for conventionally "background" areas at the Semipalatinsk test site.

引用

页数：8

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