(Table 1) Depth characteristics and mean ion concentrations of ice cores from Belukha, the Everest and 3 Svalbard sites@en
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Date/Time is drilling date. Nitrate, chloride, ammonium and calcium concentrations since 1800 are indicative of anthropogenic, marine, biogenic, and terrestrial sulphate sources, respectively. An independent reference horizon comes from the radioactivity associated with the 1963 bomb fallout.
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2026-04-18
