[ RadSafe ] Ambient Dose Rates in Fukushima Prefecture

Joel C. cehn at aol.com
Tue Nov 19 22:33:41 CST 2013

It was pointed out to me that ambient levels in the Fukushima Prefecture have been steady at about 0.75 uSv/h @ 1 meter for many months, but recently fell to 0.28 uSv/h.  With patience, you can see the change at:


Anyone want to try to explain the decrease?  I guessed snow cover; but the data from 2012 winter are 0.6-0.7 uSv/h.

Joel I. Cehn, CHP
Radiation Info
joelc at alum.wpi.edu

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