Effects of Atmospheric Transport on Temporal Variations of 222Rn and Its Progeny Concentration in the Atmosphere.
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- SAKASHITA Tetsuya
- Department of Nuclear Engineering, School of Engineering, Nagoya University
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- SUZUKI Akihiko
- Department of Nuclear Engineering, School of Engineering, Nagoya University
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- IIDA Takao
- Department of Nuclear Engineering, School of Engineering, Nagoya University
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- IKEBE Yukimasa
- Department of Nuclear Engineering, School of Engineering, Nagoya University
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- CHINO Masamichi
- Environmental Physics Laboratory, Department of Environmental Safety Research, Japan Atomic Energy Research Institute
書誌事項
- タイトル別名
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- Effects of Atmospheric Transport on Tem
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<BR>The purpose of this study was to estimate the effects of atmospheric transport on temporal variations in the concentration of 222Rn and its progeny in the air by using a three dimensional atmospheric dispersion model. The objective region for this study was the Chubu district in Japan and the objective period was from November 1 to 20, 1991. It is well known that the diurnal variation of concentration is due to the diurnal cycle of the growth and decay of the mixed layer. In addition, this study led to the following conclusions: <BR>(1) Comparing the observed results with one- and three- dimensional models showed that the atmospheric transport of 222Rn and its progeny affects the temporal variation of concentrations for limited area sources like the islands of Japan. <BR>(2) Time series analyses of observed and calculated results revealed that a periodicity of several days was included in the variation of the concentration of 222Rn from a remote source. Moreover, it suggested that it is dependant on the long-range transport of 222Rn by the air-flow caused by the changing high and low pressure systems.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 34 (1), 63-72, 1997
一般社団法人 日本原子力学会
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詳細情報 詳細情報について
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- CRID
- 1390001204093710208
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- NII論文ID
- 10002076254
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- NII書誌ID
- AA00703720
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- COI
- 1:CAS:528:DyaK2sXhsFartLs%3D
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- ISSN
- 18811248
- 00223131
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- NDL書誌ID
- 4131758
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 使用不可