Olivier, S; Bajo, Sixto; Fifield, L Keith; Gaggeler, H W; Papina, Tatyana; Santschi, P; Schotterer, U; Schwikowski, Margit; Wacker, L.
Ice cores from glaciers situated near anthropogenic sources of air pollution provide important archives of the emissions of species with short atmospheric lifetimes. Here we present the history of atmospheric Pu fallout reconstructed from an ice core from the Belukha glacier in the Siberian Altai. Fourteen ice core samples covering the time period 1941-1986 were selected for Pu analysis, chemically processed, and measured using accelerator mass spectrometry. The Pu concentration peaks in 1963,...[Show more]
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