Radiological states around the Kraton-4 underground nuclear explosion site in Sakha

被引：5

作者：

Takada, J

Stepanov, VE

Yefremov, DP

Shintani, T

Akiyama, A

Fukuda, M

Hoshi, M

机构：

[1] Hiroshima Univ, Res Inst Radiat Biol & Med, Minami Ku, Hiroshima 734, Japan

[2] Yakut State Univ, Yakutsk, Russia

[3] Minist Nat Protect Sakha Republ, Yakutsk, Russia

[4] Tokyo Inst Technol, Midori Ku, Yokohama, Kanagawa 2268502, Japan

[5] Hokkaido Univ, Inst Low Temp Sci, Kita Ku, Sapporo, Hokkaido 0600819, Japan

来源：

JOURNAL OF RADIATION RESEARCH | 1999年 / 40卷 / 03期

关键词：

underground nuclear explosion; Sakha; gamma-survey; in-situ spectroscopy; Cs-137;

D O I：

10.1269/jrr.40.223

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Underground nuclear explosion/Sakha/Gamma-survey/In-situ spectroscopy/Cs-137 A radiological survey around the site of Kraton-4, an underground nuclear explosion (Yield of 20 kt, depth of 560 m, 1978) in Sakha was carried out in March 1998. Gamma survey and in-situ spectroscopy on the ground exhibited quite normal levels: a dose rate of 0.022 Sv/ and Cs-137 surface contamination of less than 1.1 kBq/mZ around the hypocenter. The results suggested no remarkable leakage of radioactivity from the epicenter to the ground surface at least not for non-rare gas elements as of 1998.

引用

页码：223 / 228

页数：6

共 43 条

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