紀要論文 「柏の葉公園」の放射線量と土壌放射能の実態 ―2016、2017 年度の線量・土壌調査から―
Radiation Air Dose Rate and Soil Radioactivity in “KASHIWANOHA Park” ―Dose Rate and Soil Survey in 2016 and 2017―

桐山, 信一  ,  Nobukazu, KIRITYAMA

(70)  , pp.183 - 199 , 2018-03-31 , 創価大学教育学部・教職大学院
ISSN:03855031
NII書誌ID(NCID):AA1238438X
内容記述
Dose measurement of “Kashiwanoha Park” was done by administrative (Chiba prefecture)in 2016 based on information providing from Chiba citizen. The result was about 0.15 μSv/hat 1m hight which was lower than the prefecture decontamination level value. In the sameyear, we carried out our own dose and soil measurements at several places including the samemeasuring points as the Chiba prefecture. As a result, the 1m hight was the same level asthe Chiba prefecture measured value, but in the soil radioactivity of 800 to 4400 Bq/kg wasobserved. In addition, when observing the γ-ray spectrum, characteristic peaks of artificialradioactive cesium were observed from all collected soils. Based on these findings, the dosehas been decreasing, but still now after six and a half years from the Fukushima nuclear powerplant accident, the artificial radioactivity remained.
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