Tag Archives: japan ocean radiation

Cesium off Japan’s coast may return in 20 to 30 years

Radioactive cesium that was released into the ocean from the Fukushima No. 1 nuclear plant is likely to flow back to Japans coast in 20 to 30 years after circulating in the northern Pacific Ocean in a clockwise pattern, researchers said Wednesday.Researchers at the Meteorological Research Institute and the Central Research Institute of Electric Power Industry estimated that the amount of radioactive cesium-137 that was directly released into the sea came to 3,500 terabecquerels from March to the end of May, while estimating that roughly 10,000 terabecquerels fell into the ocean after it was released into the air.

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