Radon and Thoron exhalation rate map in Japan

被引：16

作者：

Hosoda, Masahiro ^{[1
]}

Shimo, Michikuni ^{[2
]}

Sugino, Masato ^{[3
]}

Furukawa, Masahide ^{[4
]}

Fukushi, Masahiro ^{[5
]}

Minami, Kazuyuki ^{[3
]}

Ejiri, Kazutaka ^{[3
]}

机构：

[1] Chuoh Coll Med Technol, Katsushika Ku, 3-5-12 Tateishi, Tokyo 1240012, Japan

[2] Fujita Hlth Univ, Aichi 4701192, Japan

[3] Gumma Prefecture Coll Hth Sci, Gunma 3710052, Japan

[4] Univ Ryukyus I, Nishihara, Okinawa 90301, Japan

[5] Tokyo Metropolitan Univ, Tokyo 1168551, Japan

来源：

NATURAL RADIATION ENVIRONMENT | 2008年 / 1034卷

关键词：

radon; thoron; exhalation rate; map; geological distribution;

D O I：

10.1016/B978-044453122-3.50007-6

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

Measurements of radon and thoron exhalation rates have been done using the radon and thoron exhalation rate measuring instrument adopting the accumulation method. We obtained the 111 data in the 40 sites of the 14 prefectures in Japan. The arithmetic average value of the radon and thoron exhalation rates by all 111 data were obtained to be 8.6 mBq.m(-2).s(-1) and 0.80 Bq.m(-2).s(-1) respectively, and we have reported the radon and thoron exhalation rates in relation to the geological features. The relation between the exhalation rate and geology was shown that the exhalation rate had an increasing tendency in order of basic rock, neutral rock and acidic rock. We made the nationwide exhalation-rate map using the survey data of exhalation-rate of radon and thoron and the geological distribution map.

引用

页码：177 / +

页数：2

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