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Simulation of the advection-diffusion-scavenging processes for$$^{137}$$Cs and$$^{239,240}$$Pu in the Japan sea

Nakano, Masanao 

An advection-diffusion-scavenging model incorporated into the OGCM concerned the Japan Sea has been developed and validated by calculating$$^{137}$$Cs and$$^{239,240}$$Pu water profiles in the Japan Sea and comparing them with experimental data. The concentrations of$$^{137}$$Cs and$$^{239,240}$$Pu have generally shown reasonable agreement between calculated and observed data. The best agreement between the experimental and calculated water profiles in the Japan Sea was obtained with the horizontal and vertical diffusion coefficients of 3$$times$$10$$^{7}$$cm$$^{2}$$s$$^{-1}$$and 0.3cm$$^{2}$$s$$^{-1}$$, respectively. The simulation in this study make them sure the quantitative origins and behaviours of$$^{137}$$Cs and$$^{239,240}$$Pu in the Japan Sea. The behaviours of$$^{137}$$Cs and$$^{239,240}$$Pu in the Japan Sea have been much different from the behaviours in the Pacific Ocean.

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English

Journal

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Radioactivity in the Environment, Vol.8

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p.433 - 448

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2006/03

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no keyword

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Press Release

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Article of JAEA R&D Review

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Precise Estimation of the State of Oceans in the Past, Present and Future; Simulation of the Marine Diffusion of Radioactive Materials Using LAMER[/]

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