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Fig. 8 | Progress in Earth and Planetary Science

Fig. 8

From: Atmospheric radioactivity over Tsukuba, Japan: a summary of three years of observations after the FDNPP accident

Fig. 8

Atmospheric activity concentrations of radionuclides from the FDNPP accident in March 2011. a Observed data from filter samples collected at the MRI, Tsukuba, Japan; b comparison of observed (black) and simulated results (red) for 137Cs; and c similar to b but for particulate 131I. The abscissa is expressed in dates in March 2011 and is labeled at the start of the day in a and the middle of the day in b and c. Contamination of the filter samples cannot be totally ruled out for the period before March 14 in a, which is depicted by the left-right pointing double arrow

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