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The Antarctic ice cap is a unique vantage point from which to … observe the global background of black carbon aerosol (BC). Far … removed from sources, BC in the Antarctic atmosphere is largely … due to biomass burning at low- to mid-latitudes modulated by … upper tropospheric…
Archived in glaciers and ice sheets are long term records … of dustiness. Dust impacts Earth’s radiative forcing directly by … modifying the radiation budget and affecting cloud nucleation … and optical properties, and indirectly through ocean … fertilization which alters carbon sequestration.
An updated compilation of published and new data of major-ion (Ca, Cl, K, Mg, Na, NO3, SO4) and methylsulfonate (MS) concentrations in snow from 520 Antarctic sites is provided by the … national ITASE (International Trans-Antarctic Scientific Expedition) programmes of Australia, Brazil, China…
This article aims to give a comprehensive view of the distribution patterns for natural and artificial radionuclides over Antarctica. We focus this study on 137Cs, 210Pb and tritium. Applying various statistical methods, we show that the deposition of radionuclides reveals a structured distribution…