Fig.1-23 Ratio of 137Cs in each size fraction to the total 137Cs in the bulk sediment sampled from the upstream reservoir to the estuary

1-23

Fig.1-23 Ratio of ¹³⁷Cs in each size fraction to the total ¹³⁷Cs in the bulk sediment sampled from the upstream reservoir to the estuary

Fine sand (106–250 μm: red box in figure) contained the highest ¹³⁷Cs quantities. Unlike in previous studies, coarse fractions contained high levels of ¹³⁷Cs.

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