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If a steam explosion were to happen--but it may not happen--much more fallout would be spewed and scattered than has been already.

The entire northern hemisphere would begin seeing elevated health problems.

Sanity check:
A cubic meter of Uranium weighs 20 tons. 20 tons of Uranium scattered evenly across the Northern Hemisphere would amount to 0.3 g per square km, or 300 nanogram per square meter.

Conclusion:
You need a lot of cubic meters of corium to get blown into the stratosphere to get beyond a rounding error in either the gamma background or total heavy metal exposure. (Any corium that remains in the troposphere will precipitate out within the first thousand km. Sucks to be downwind of that plume, but not something that will directly affect the entire Northern Hemisphere.)

- Jake

Friends come and go. Enemies accumulate.

by JakeS (JangoSierra 'at' gmail 'dot' com) on Sun Jun 12th, 2011 at 07:11:39 AM EST
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