Arrival time and magnitude of airborne fission products from the Fukushima, Japan, reactor incident as measured in Seattle, WA, USA

被引：97

作者：

Leon, J. Diaz ^{[1
,2
]}

Jaffe, D. A. ^{[3
]}

Kaspar, J. ^{[1
,2
]}

Knecht, A. ^{[1
,2
]}

Miller, M. L. ^{[1
,2
]}

Robertson, R. G. H. ^{[1
,2
]}

Schubert, A. G. ^{[1
,2
]}

机构：

[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[2] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA

[3] Univ Washington, Dept Interdisciplinary Arts & Sci, Bothell, WA 98011 USA

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2011年 / 102卷 / 11期

基金：

美国国家科学基金会;

关键词：

Radiation monitoring; Fission products; Germanium detector; CHERNOBYL; ACCIDENT; FALLOUT; SIZE;

D O I：

10.1016/j.jenvrad.2011.06.005

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We report results of air monitoring started due to the recent natural catastrophe on 11 March 2011 in Japan and the severe ensuing damage to the Fukushima Dai-ichi nuclear reactor complex. On 17-18 March 2011, we registered the first arrival of the airborne fission products I-131, I-132, Te-132, Cs-134, and Cs-137 in Seattle, WA, USA, by identifying their characteristic gamma rays using a germanium detector. We measured the evolution of the activities over a period of 23 days at the end of which the activities had mostly fallen below our detection limit. The highest detected activity from radionuclides attached to particulate matter amounted to 4.4 +/- 1.3 mBq M-3 of I-131 on 19-20 March. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1032 / 1038

页数：7

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