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Fig. 4 | Progress in Earth and Planetary Science

Fig. 4

From: The seasonal variations of atmospheric 134,137Cs activity and possible host particles for their resuspension in the contaminated areas of Tsushima and Yamakiya, Fukushima, Japan

Fig. 4

Time series of the normalized 137Cs(2) and 137Cs(7) measured at the (a) FD, (b) FC, and (c) GC sites. These results clearly showed the seasonal variation but did not accurately reflect the size distribution of radiocesium in the atmosphere because of the bouncing particles. The amount of bouncing particles significantly changes the collection efficiency of the cascade impactor

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