青森県尻屋埼東方海域における<sup>129</sup>I及び<sup>134</sup>Cs, <sup>137</sup>Csの分布
書誌事項
- タイトル別名
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- Distribution of <sup>129</sup>I, <sup>134</sup>Cs, and <sup>137</sup>Cs in the Eastern Area off Cape Shiriya, Aomori Prefecture
- 青森県尻屋埼東方海域における¹²⁹I及び¹³⁴Cs,¹³⁷Csの分布
- アオモリケンジリヤサイトウホウ カイイキ ニ オケル ¹ ² ⁹ I オヨビ ¹ ³ ⁴ Cs,¹ ³ ⁷ Cs ノ ブンプ
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説明
This study investigated the interaction with water masses from the distribution of Iodine-129, Cesium-134, and Cesium-137 in the eastern area off Cape Shiriya, Aomori prefecture. Iodine-129, Cesium-134, and Cesium-137 concentrations in water samples collected in July 2012 were 13.7-30.2 nBq/L, N.D.-5.45 mBq/L, and 0.79-9.44 mBq/L, respectively. Concentrations of these radionuclides at the 25.5-26.7 isopycnal (σt) increased above the environmental levels before the Fukushima Daiichi nuclear accident, and their increase depended on a formation process of water masses. It is considered that concentrations at the 25.9-26.0 σt were increased by mixing the Tsugaru Warm Current Water System with near-surface water in the Oyashio region, but concentrations at the 26.4 σt were increased by mixing the Tsugaru Warm Current Water System with the Kuroshio-Oyashio mixed water.
収録刊行物
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- 保健物理
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保健物理 52 (3), 171-178, 2017
日本保健物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204290959232
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- NII論文ID
- 130006201443
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- NII書誌ID
- AN00228458
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- ISSN
- 18847560
- 03676110
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- NDL書誌ID
- 028949272
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
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- 使用不可