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Wei, L.*; 木内 豪*; 吉村 和也; Velleux, M. L.*
Journal of Environmental Radioactivity, 171, p.21 - 33, 2017/05
被引用回数:18 パーセンタイル:52.59(Environmental Sciences)This study developed a watershed Cs migration model on the basis of the Two-Dimensional Runoff, Erosion, and Export model (TREX) framework and was applied in a forested catchment in Fukushima. This model considered the conditions of Cs field loss from the vegetation layer and downward movement in soil, two Cs distribution phases in water, and multiple solid particle classes. The model represented observed Cs transport well. Our simulations show that the Cs was transported from the catchment by clay, silt, and sand at a ratio of 17:70:13. The source of transported Cs is estimated to originate from hillside and areas near the river bank, and the accumulation of Cs was also evaluated.