Key result
Radioactive fallout from polar nuclear tests has a stratospheric residence time of about one year, which is significantly shorter than the five-year residence time for equatorial detonations.
Radioactive fallout from polar nuclear detonations has a significantly shorter stratospheric residence time than equatorial detonations.
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Shorter polar fallout residence times refine dispersion models; leaves open validation in observational environmental and health data.
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W. F. Libby (1959) studied this question. Polar nuclear detonations vs. Equatorial nuclear detonations was evaluated on Stratospheric residence time of radioactive fallout. Radioactive fallout from polar nuclear tests has a stratospheric residence time of about one year, which is significantly shorter than the five-year residence time for equatorial detonations.
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