Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 69(2): 67-77 (2020)

連載講座Serial Lecture

陸域における放射性セシウムの環境動態と長期移行予測森林における放射性セシウムの移行と循環Environmental Dynamics of Radiocaesium and Long-term Prediction of Transfer in Terrestrial EnvironmentTransfer and Cycling of Radiocaesium in Forest Environment

筑波大学アイソトープ環境動態研究センターCenter for Research in Isotopes and Environmental Dynamics, University of Tsukuba

発行日:2020年2月15日Published: February 15, 2020


The Fukushima Dai-ichi Nuclear Power Plant Accident released large quantities of radionuclides into the atmosphere, with subsequent fallout onto wide area of land surface in Fukushima and its neighboring prefectures. Because approximately 70% of the radiocaesium deposited on land was in forest areas, an analysis of the spatial distribution and transfer of radiocaesium in forested landscapes is necessary to diagnose both the environmental impacts of the accident and the environmental recovery from radioactive contamination. This article summarizes research findings from an investigation into radiocaesium dynamics in terrestrial environments in and around Fukushima prefecture, and gives prospects in future prediction of impacts and recovery.

Key words: Fukushima Dai-ichi Nuclear Power Plant Accident; radiocaesium; terrestrial environment; forest; transfer in environment

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