Distribution of 90Sr in the High Seas and Coastal Regions of Korea-Japan-Russia-China
Abstract: Distribution of 90Sr
in the high seas and coastal regions of Korea-Japan-Russia-China have been
measured from 30 June 2000 to 2 August 2000. The surface seawaters were
collected from East China Sea, Japan Sea (East Sea), Okhotsk Sea and Northwest
Pacific Ocean. Salinity, temperature and 90Sr concentration were variable, and
did not show correlation each others. The temperature levels dominantly
influenced by latitude effect position. The 90Sr activities ranged from not
detectable to 2.22 mBq/l (mean: 1.18, n:23). The distribution of 90Sr
concentrations were more uniform in the coastal regions than in the high seas
regions. The concentration of 90Sr in this study area were caused by some
factors such as from source radioactive waste discharge and physical factors
condition. The distribution 90Sr in Japan Sea generally was influenced by
distance factor from radioactive waste discharge, but the other locations were
influenced by physical factors condition.
Author: Muslim
Journal Code: jpperikanangg060008
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