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Comparative Analysis of Mobility and Bioavailability of Radiocesium of Mobility and Bioavailability of Radiocesium of Chernobyl and Fukushima Origin in Soil-Water Systemтезисы доклада
- Авторы: Alexei Konoplev, Valentin Golosov, Sergei Kiwa, Kenji Nanba, Yuichi Onda, Yoshifumi Wakiyama, Mark Zheleznyak
- Сборник: 13th South Pacific Environmental Radioactivity Association Conference
- Тезисы
- Год издания: 2014
- Место издания: Charles Darwin University Darwin Australia
- Первая страница: 45
- Последняя страница: 45
- Аннотация: Mobility and bioavailability of radiocesium of accidental origin is governed by the ratio of radiocesium chemical forms in fallout and site-specific environmental characteristics determining the rates of leaching, fixation/remobilization, as well as sorption-desorption of the mobile fraction (its solid-liquid distribution). Distinct features of the environment on the Fukushima contaminated territories are discussed from the standpoint of predicting migration and bioavailability of the radiocesium of accidental origin. Measured normalized "solid" wash-off coefficients obtained for run-off plots in Fukushima contaminated areas almost corresponded to those of Chernobyl. lt was found that the total "solid" wash-off coefficient of radiocesium from farmlands is high and reaches 5% per year for some sites. Generally high precipitation in the region and steep slopes promote higher wash-off of radiocesium as compared to the Chernobyl case
- Добавил в систему: Голосов Валентин Николаевич