Assessment of radiological efficiency of countermeasures on peat-bog soils of Ukrainian Polissya

被引：7

作者：

Maloshtan, Igor ^{[1
]}

Polishchuk, Sergiy ^{[1
]}

Kashparov, Valery ^{[1
]}

Yoschenko, Vasyl ^{[2
]}

机构：

[1] Natl Univ Life & Environm Sci Ukraine, Ukrainian Inst Agr Radiol, Mashinobudivnykiv Str 7, UA-08162 Chabany, Kyiv Region, Ukraine

[2] Fukushima Univ, Inst Environm Radioact, 1 Kanayagawa, Fukushima, Fukushima 9601296, Japan

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2017年 / 175卷

关键词：

Chernobyl accident; Countermeasures; Soil-to-plant transfer; Cs-137; Radiological efficiency; Histosols; CHERNOBYL; CONTAMINATION;

D O I：

10.1016/j.jenvrad.2017.03.026

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the field conditions, the long-term (2013-2015) small-plots experiment was carried out for evaluation of radiological efficiency of application of ameliorants as the countermeasures for reduction of the Cs-137 uptake to herbage at the Peat-boggy (Histosols) soils of Ukrainian Polissya. At the late stage after the Chernobyl accident, the average radiological efficiencies of application of sand (175-200 ton ha(-1)) and ferrocyn (0.2 ton ha(-1)) as the ameliorants were rather low ranging from 0.8 to 1.6. Application of 4 ton ha(-1) of chalk and 5 ton ha(-1) of peat ash decreased 1.7-1.9 times the 137Cs activity concentrations in plans. The highest radiological efficiencies, 4.4 +/- 2.0 and 7 +/- 2, were reached at applications of chalk-ferrocyn ameliorant (4 + 0.2 ton ha(-1)) and ferrocyn-bentonite absorbent HZH-90 (30 ton ha(-1)), respectively. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：52 / 59

页数：8

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