Forensically understanding Fukushima – The story nearly 5 years on
Dr Tom Scott (Physics, Bristol)
Mott Lecture Theatre
In March 2011, an earthquake and tsunami of unprecedented scale hit the eastern coast of Japan, exacting a deadly toll on coastal areas. The Fukishima Daiichi nuclear power plant (FDNPP) was severely stricken by the tsunami, and a catalogue of containment failures caused Units 1-4 to contaminate the environment with a significant atmospheric release of radioactive material by a variety of mechanisms that are yet not fully understood. A fallout inventory of some 890 PBq of radiocaesium is estimated with most of this material removed from the atmosphere by a combination of wet and dry deposition to contaminate a large area of land extending up to 200 km from the site. Currently, the chemical state, mobility and fate of the fallout material are poorly understood
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