Radiocesium in Ponds in the Near Zone of Fukushima Dai-ichi NPP

被引：18
|
作者：
Konoplev, A. V. [1 ]
Wakiyama, Y. [1 ]
Wada, T. [1 ]
Golosov, V. N. [2 ]
Nanba, K. [1 ]
Takase, T. [1 ]
机构：
[1] Fukushima Univ, Environm Radioact Inst, Fukushima 9601296, Japan
[2] Moscow MV Lomonosov State Univ, Fac Geog, Moscow 119991, Russia
来源：
WATER RESOURCES | 2018年 / 45卷 / 04期
基金：
日本学术振兴会;
关键词：
Fukushima; radiocesium; ponds; solution; particulate matter; POWER-PLANT ACCIDENT; NUCLEAR ACCIDENT; LAKE-SEDIMENTS; WATER; CONTAMINATION; SOILS;
D O I：
10.1134/S0097807818040139
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
The article presents the results of studying radiocesium concentration and distribution between dissolved and particulate forms in ponds in the near zone of Fukushima Dai-ichi NPP NPP after the 2011 accident. The total concentration of Cs-137 in pond water and its variations are shown to be largely governed by the concentration of particulate matter being as high as 68 Bq/L, compared with 5 Bq/L in solution. The values of the distribution coefficient K-d in the ponds are similar to those in rivers and in large flow-through lakes in the accidentally polluted zone at Fukushima Dai-ichi NPP. The contributions of the main competing ions K+ and NH4+ to radiocesium desorption from solid particles into solution were similar for the ponds; however, their relative effect on dissolved radiocesium concentration varied over time because of variations in ammonium concentration.
引用
收藏
页码：589 / 597
页数：9
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