90Sr Activity in the High Seas and Coastal Regions of Korea-Japan-Russia-China Compared with Exponential Decay of 90Sr Global Fallout
Abstract: Concentration and
activity of 90Sr in the high seas and coastal regions of
Korea-Japan-Russia-China from the global fallout to 2000 were studied. The
variation of 90Sr in these study areas decreased continuously from 1964
when global fallout radioactive was started to 2000. Suggesting that from 1964
to present the 90Sr activity from any local resources at
Korea-Japan-Russia-China doesn’t significant, because the 90Sr
activities much lower compared with the exponential decay, it caused by
effective environmental half-lives. In conclusion, the activity of 90Sr
in the high seas and coastal regions of Korea-Japan-Russia-China originated
entirely from the global fallout rather than from any local point sources.
Author: Muslim
Journal Code: jpperikanangg070002

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