Vertical distributions of226Ra,228Ra, and137Cs activities in the southwestern part of the Sea of Okhotsk

Inoue, Mutsuo; Yoshida, Keisuke; Minakawa, Masayuki; Kofuji, Hisaki; Nagao, Seiya; Hamajima, Yasunori; Yamamoto, Masayoshi

doi:10.1051/epjconf/20122404001

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Tokyo Electric Power Company (Tepco) Fukushima1

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2016

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“…In addition, some investigations were carried out in the Japan Sea and the Okhotsk Sea, and 134 Cs was detected at the northeastern part of the Japan Sea, Hokkaido coast and Tohoku coast [8][9] .…”

Section: Tokyo Electric Power Company (Tepco) Fukushimamentioning

confidence: 99%

Observation of radiocesium in seabed soil at the Notsuke Strait of the southern Okhotsk Sea derived from the Fukushima Daiichi Nuclear Power Plant

Nabae

Miyashita

Nakashima

2016

Radiat. Saf. Manage.

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Seabed soils of the southern Okhotsk Sea at the Notsuke Strait, Hokkaido were collected, and the radioactivity was measured with a Ge semiconductor detector. Trace amount of radiocesium derived from the Fukushima Daiichi Nuclear Power Plant was detected. It was suggested by combining other results that this radiocesium was originally deposited in western Fukushima from the Fukushima Daiichi Nuclear Power Plant, and migrated to the Japan Sea with the Agano River, and then carried to the Notsuke Strait by Tsushima Warm Current and Soya Warm Current.

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Section: Tokyo Electric Power Company (Tepco) Fukushimamentioning

confidence: 99%

Observation of radiocesium in seabed soil at the Notsuke Strait of the southern Okhotsk Sea derived from the Fukushima Daiichi Nuclear Power Plant

Nabae

Miyashita

Nakashima

2016

Radiat. Saf. Manage.

View full text Add to dashboard Cite

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Vertical distributions of²²⁶Ra,²²⁸Ra, and¹³⁷Cs activities in the southwestern part of the Sea of Okhotsk

Abstract: We collected 14 water column seawater samples in the southwestern part of the Sea of Okhotsk and employed low-background γ-spectrometry with convenient minimal radiochemical processing to determine the activities of 226 Ra (half-life t 1/2 = 1600 y),

Cited by 1 publication

References 17 publications

Observation of radiocesium in seabed soil at the Notsuke Strait of the southern Okhotsk Sea derived from the Fukushima Daiichi Nuclear Power Plant

Observation of radiocesium in seabed soil at the Notsuke Strait of the southern Okhotsk Sea derived from the Fukushima Daiichi Nuclear Power Plant

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