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Strontium-90 on the Earth's Surface

Abstract

Estimations of the amount of strontium-90 on the Earth's surface indicate that maximum fallout occurred late in 1966. Of the 13 MCi recorded at the beginning of 1967, 82 per cent of this was in the northern hemisphere.

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HARDY, E., MEYER, M., ALLEN, J. et al. Strontium-90 on the Earth's Surface. Nature 219, 584–587 (1968). https://doi.org/10.1038/219584a0

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