Fig. 4. Atmospheric, soil, and grass observation-based Cs-137 concentrations, and estimates based on the scaled model output and for different DRT values used for the scaling. (A) Comparisons in northern prefectures. Aomori and Miyagi prefectures had no 137Cs detections on the daily deposition data and no measurements, respectively. The minimum value in Yamagata prefecture is no detection and no lower error bar is shown. (B) The same as in A, but around Kanto area. Lower and upper error bars denote minimum and maximum concentrations using CC of 68 and 38 kg m-2 based on Fig. S5, respectively. Orange, gray, and black boxes denote no observation (Miyagi) and missing observations (Yamagata, between March 29 and April 3; Fukushima, before March 27 and April 4), respectively. A soil-to-grass transfer factor of 0.13 (23) was used to convert grass to soil contamination. For Fukushima prefecture, only the soil observations in Fukushima City were used, excluding other observations close to the Fukushima NPP. The data source for the comparisons are summarized in Table S1.
Posted on: Tue, 03 Dec 2013 16:18:43 +0000
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