Journal of Radioanalytical and Nuclear Chemistry

, Volume 298, Issue 1, pp 635-638

First online:

Should we measure plutonium concentrations in marine sediments near Fukushima?

  • R. PeriáñezAffiliated withDpt Física Aplicada I, ETSIA Universidad de Sevilla Email author 
  • , Kyung-Suk SuhAffiliated withKAERI
  • , Byung-Il MinAffiliated withKAERI

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Pu contamination originating from Fukushima accident has not been detected in marine sediment samples collected outside a 30 km circle around the plant. It is shown, by means of numerical modelling, that if any impact from the accident has occurred, this would remain in a very close area to Fukushima because of the low Pu mobility in the marine environment. Since the situation inside the 30 km zone remains unknown, further studies on the determination of Pu isotopes in sediments within this area are required.


Plutonium Marine dispersion Fukushima Numerical modelling Sediments