Radiation dose rates now and in the future for residents neighboring restricted areas of the Fukushima Daiichi Nuclear Power Plant

被引：85

作者：

Harada, Kouji H. ^{[1
]}

Niisoe, Tamon ^{[3
]}

Imanaka, Mie ^{[2
]}

Takahashi, Tomoyuki ^{[4
]}

Amako, Katsumi ^{[5
]}

Fujii, Yukiko ^{[1
]}

Kanameishi, Masatoshi ^{[1
]}

Ohse, Kenji ^{[6
]}

Nakai, Yasumichi ^{[6
]}

Nishikawa, Tamami ^{[6
]}

Saito, Yuuichi ^{[6
]}

Sakamoto, Hiroko ^{[7
]}

Ueyama, Keiko ^{[8
]}

Hisaki, Kumiko ^{[9
]}

Ohara, Eiji ^{[9
]}

Inoue, Tokiko ^{[10
]}

Yamamoto, Kanako ^{[11
]}

Matsuoka, Yukiyo ^{[12
]}

Ohata, Hitomi ^{[5
]}

Toshima, Kazue ^{[13
]}

Okada, Ayumi ^{[14
]}

Sato, Hitomi ^{[15
]}

Kuwamori, Toyomi ^{[16
]}

Tani, Hiroko ^{[16
]}

Suzuki, Reiko ^{[17
]}

Kashikura, Mai ^{[17
]}

Nezu, Michiko ^{[18
]}

Miyachi, Yoko ^{[19
]}

Arai, Fusako ^{[20
]}

Kuwamori, Masanori ^{[21
]}

Harada, Sumiko ^{[22
]}

Ohmori, Akira ^{[22
]}

Ishikawa, Hirohiko ^{[3
]}

Koizumi, Akio ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Med, Dept Hlth & Environm Sci, Kyoto 6068501, Japan

[2] Kyoto Univ, Grad Sch Med, Dept Prevent Med, Kyoto 6068501, Japan

[3] Kyoto Univ, Disaster Prevent Res Inst, Res Div Atmospher & Hydrospher Disasters, Uji, Kyoto 6110011, Japan

[4] Kyoto Univ, Dept Nucl Sci & Engn, Inst Res Reactor, Kumatori, Osaka 5900494, Japan

[5] Kobe Gakuin Univ, Fac Nutr, Kobe, Hyogo 6512180, Japan

[6] Fukushima Univ, Fukushima Future Ctr Reg Revitalizat, Fukushima 9601296, Japan

[7] Kyoto Bunkyo Jr Coll, Dept Food Nutr, Uji, Kyoto 6110041, Japan

[8] Senri Kinran Univ, Fac Human Life Sci, Suita, Osaka 5650873, Japan

[9] Osaka Int Coll, Dept Life Design, Moriguchi, Osaka 5708555, Japan

[10] Kyoto First Red Cross Hosp, Kyoto 6050981, Japan

[11] Aiseikai Yamashina Hosp, Kyoto 6078086, Japan

[12] Natl Hosp Org Kyoto Med Ctr, Kyoto 6120861, Japan

[13] Ekiya Rehabil Sakura, Fukuyama, Hiroshima 7201131, Japan

[14] Best Life Promot Ltd, Kawasaki, Kanagawa 2118588, Japan

[15] Syojyukai Social Welf Serv Corp Ikoinosato, Hirakata, Osaka 5731161, Japan

[16] Jin Ai Univ, Fac Human Life Studies, Echizen 9150015, Japan

[17] Fukushima Gakuin Jr Coll, Dept Food & Nutr, Fukushima 9600181, Japan

[18] Yamanashi Gakuin Jr Coll, Dept Food & Nutr, Kofu, Yamanashi 4008575, Japan

[19] Yonezawa Womens Jr Coll Yamagata Prefecture, Dept Hlth & Nutr, Yonezawa, Yamagata 9920025, Japan

[20] Univ Niigata Prefecture, Fac Human Life Studies, Niigata 9508680, Japan

[21] Mimasaka Jr Coll, Dept Nutr, Tsuyama 7088511, Japan

[22] Toyama Coll, Dept Food & Nutr, Toyama 9300175, Japan

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2014年 / 111卷 / 10期

关键词：

Fukushima nuclear disaster; exposure assessment; Strontium-90; forest contamination; food duplicate; ATMOSPHERIC DISPERSION; SAFETY REGULATIONS; CANCER INCIDENCE; ADULT RESIDENTS; NPP ACCIDENT; RADIONUCLIDES; FOOD; CONTAMINATION; RADIOCESIUM; PREFECTURE;

D O I：

10.1073/pnas.1315684111

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Radiation dose rates were evaluated in three areas neighboring a restricted area within a 20- to 50-km radius of the Fukushima Daiichi Nuclear Power Plant in August-September 2012 and projected to 2022 and 2062. Study participants wore personal dosimeters measuring external dose equivalents, almost entirely from deposited radionuclides (groundshine). External dose rate equivalents owing to the accident averaged 1.03, 2.75, and 1.66 mSv/y in the village of Kawauchi, the Tamano area of Soma, and the Haramachi area of Minamisoma, respectively. Internal dose rates estimated from dietary intake of radiocesium averaged 0.0058, 0.019, and 0.0088 mSv/y in Kawauchi, Tamano, and Haramachi, respectively. Dose rates from inhalation of resuspended radiocesium were lower than 0.001 mSv/y. In 2012, the average annual doses from radiocesium were close to the average background radiation exposure (2 mSv/y) in Japan. Accounting only for the physical decay of radiocesium, mean annual dose rates in 2022 were estimated as 0.31, 0.87, and 0.53 mSv/y in Kawauchi, Tamano, and Haramachi, respectively. The simple and conservative estimates are comparable with variations in the background dose, and unlikely to exceed the ordinary permissible dose rate (1 mSv/y) for the majority of the Fukushima population. Health risk assessment indicates that post-2012 doses will increase lifetime solid cancer, leukemia, and breast cancer incidences by 1.06%, 0.03% and 0.28% respectively, in Tamano. This assessment was derived from short-term observation with uncertainties and did not evaluate the first-year dose and radioiodine exposure. Nevertheless, this estimate provides perspective on the long-term radiation exposure levels in the three regions.

引用

页码：E914 / E923

页数：10

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