Distribution of Pb, Sr, and U isotopic signature and multielement composition of sediment in Lake Balaton (Hungary) at a sediment trap deep dredged 40 years ago near Balatongyörök—search for routes of recent pollution
Abstract:We studied the Pb, Sr, U isotopic composition and the concentration of toxic elements in sediment core samples collected in Lake Balaton at a sediment trap that was deep dredged in 1979, to analyze their changes in the last 40 years. Pb isotopic composition pro les of cores taken from the sediment trap showed a shift in 206 Pb/ 207 Pb from 1.206 ± 0.002 to 1.185 ± 0.002 going from bottom towards the top of the sediment, at 80-100 cm depth. Concomitantly Pb concentration together with Zn, Sb, Cu, Cd and Fe show… Show more
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