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

被引：19

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

页码：589 / 597

页数：9

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