Behavior of Fukushima-Derived Radiocesium in the Soil–Water Environment: Review

Konoplev, Alexei; Wakiyama, Yoshifumi; Wada, Toshihiro; Igarashi, Yasunori; Kanivets, Volodymyr; Nanba, Kenji

doi:10.1007/978-981-16-6799-2_4

Cited by 5 publications

(7 citation statements)

References 78 publications

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“…The relationship of

(L/kg) and ([ K + ] + 5[ NH 4 + ]) −1 (L/mmol) was shown to be linear for the ponds in the vicinity of the FDNPP, with the slopes corresponding to the RIP ex ( K ) values calculated to be about 2000 mmol/kg [ 53 , 79 ]; see Figure 2 for the pond Funasawa, 3.5 km to SW from the FDNPP.…”

Section: Speciation Of Radiocesium and Its Transformation In Soil–wat...mentioning

confidence: 99%

“…There can be several factors responsible for this fact. Firstly, the mean annual precipitation in the Fukushima area is more than two times higher than that in the Chernobyl area [ 8 , 79 ]. Hence, a more active infiltration flow can lead to higher migration rates of both mobile and immobile forms of radiocesium, which are entrained by infiltration flow when moving down the soil through pores and cracks [ 113 , 114 ].…”

Section: Radiocesium Downward Migration In Soilmentioning

confidence: 99%

“…Figure 8 shows a comparison of the magnitudes and their time changes of the mean annual dissolved 137 Cs wash-off ratios N d (m −1 ) for two river catchments (Ukedo and Ohta) in the Fukushima area with two river catchments Pripyat (at Chernobyl) and Dnieper (at Rechitsa) in the Chernobyl [ 18 , 79 , 144 ].…”

Section: Time Changes Of Radiocesium Concentrations In Freshwatersmentioning

confidence: 99%

“… Correlation between

and inverse effective concentration of major Cs competitive cations

for Funasawa pond in close vicinity of FDNPP in 2015–2019 [ 79 ]. Reprinted/adapted with permission from Ref.…”

Section: Figurementioning

confidence: 99%

“…Reprinted/adapted with permission from Ref. [ 79 ]. Copyright year 2020, copyright owner’s name SPRINGER Nature.…”

Section: Figurementioning

confidence: 99%

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Fukushima and Chernobyl: Similarities and Differences of Radiocesium Behavior in the Soil–Water Environment

Konoplev

2022

Toxics

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In the wake of Chernobyl and Fukushima accidents, radiocesium has become a radionuclide of most environmental concern. The ease with which this radionuclide moves through the environment and is taken up by plants and animals is governed by its chemical forms and site-specific environmental characteristics. Distinctions in climate and geomorphology, as well as 137Cs speciation in the fallout, result in differences in the migration rates of 137Cs in the environment and rates of its natural attenuation. In Fukushima areas, 137Cs was strongly bound to soil and sediment particles, with its bioavailability being reduced as a result. Up to 80% of the deposited 137Cs on the soil was reported to be incorporated in hot glassy particles (CsMPs) insoluble in water. Disintegration of these particles in the environment is much slower than that of Chernobyl-derived fuel particles. The higher annual precipitation and steep slopes in Fukushima-contaminated areas are conducive to higher erosion and higher total radiocesium wash-off. Among the common features in the 137Cs behavior in Chernobyl and Fukushima are a slow decrease in the 137Cs activity concentration in small, closed, and semi-closed lakes and its particular seasonal variations: increase in the summer and decrease in the winter.

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“…The relationship of

Section: Speciation Of Radiocesium and Its Transformation In Soil–wat...mentioning

confidence: 99%