Contamination encircled the northern hemisphere in 21 days.

But.. I digress.


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Scientific Paper: “The Fukushima Radioactive Plume Contaminated the Entire Northern Hemisphere During a Relatively Short Period
[link to peakoil.com]

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Link to scientific paper
PDF

[link to clasweb.clas.wayne.edu]

[snip]

- Evidence of the South Korea contamination with released radiocesium from Fukushima.
- Field samples and air mass analysis were utilized to elucidate the transport of those radionuclides.
- Characterization of the air mass movements at different sites at the Earth's surface.
- Verification of the uninterrupted complete revolution of the artificial radionuclides released in Fukushima.
-Quantification of the velocity of the artificial radionuclides released in Fukushima.

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“Fukushima radioactive plume contaminated entire Northern Hemisphere during a relatively short period of time” — Map: Fukushima air mass hit California after 3/11 and went north to Ore., Wash., Canada (PHOTO)
[link to enenews.com]


[snip]

This work clearly demonstrates how little dissipation occurred during this time due to the nature of the rapid global air circulation system, and the Fukushima radioactive plume contaminated the entire Northern Hemisphere during a relatively short period of time.