Fallout traces of the Fukushima NPP accident in southern West Siberia (Novosibirsk, Russia)
2012
Melgunov, M. S. | Pokhilenko, N. P. | Strakhovenko, V. D. | Sukhorukov, F. V. | Chuguevskii, A. V.
BACKGROUND: The fallout of artificially produced radioactive isotopes has been recorded at a site in southern West Siberia (54°50′43.6″ N, 083°06′22.4″ E, Novosibirsk, Russia). DISCUSSION: The highest activities of 131I, 134Cs, and 136Cs were found in fresh snow precipitated on 02 April 2011, at 0.83, 0.092, and 0.002 Bq L−1 of meltwater, respectively. The 131I/134Cs ratio decreased from 9.0 on 02 April to 1.2 on 27 April, which is consistent with the radioactive decay of 131I. This fallout can only have originated from the accidental emission of Fukushima Nuclear Power Plant, Japan, in March 2011.
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