Brief communication: Spatial and temporal variations in surface snow chemistry along a traverse from coastal East Antarctica to the ice sheet summit (Dome A)
Key Laboratory of Geographic Information Science (Ministry of
Education), School of Geographic Sciences and State Key Laboratory of Estuarine and
Coastal Research, East China Normal University, Shanghai 200241, China
Polar Research Institute of China, Shanghai 200062, China
Hongmei Ma
Polar Research Institute of China, Shanghai 200062, China
Polar Research Institute of China, Shanghai 200062, China
Zhenlou Chen
Key Laboratory of Geographic Information Science (Ministry of
Education), School of Geographic Sciences and State Key Laboratory of Estuarine and
Coastal Research, East China Normal University, Shanghai 200241, China
Chunlei An
Polar Research Institute of China, Shanghai 200062, China
Su Jiang
Polar Research Institute of China, Shanghai 200062, China
Yuansheng Li
Polar Research Institute of China, Shanghai 200062, China
Polar Research Institute of China, Shanghai 200062, China
Jinhai Yu
Polar Research Institute of China, Shanghai 200062, China
Danhe Wang
Key Laboratory of Geographic Information Science (Ministry of
Education), School of Geographic Sciences and State Key Laboratory of Estuarine and
Coastal Research, East China Normal University, Shanghai 200241, China
Siyu Lu
Polar Research Institute of China, Shanghai 200062, China
Bo Sun
Polar Research Institute of China, Shanghai 200062, China
Meredith G. Hastings
Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, Rhode Island 02912, USA
Institute at Brown for Environment and Society, Brown University,
Providence, Rhode Island 02912, USA
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It is important to understand atmospheric chemistry over Antarctica under a changing climate. Thus snow collected on a traverse from the coast to Dome A was used to investigate variations in snow chemistry. The non-sea-salt fractions of K+, Mg2+, and Ca2+ are associated with terrestrial inputs, and nssCl− is from HCl. In general, proportions of non-sea-salt fractions of ions to the totals are higher in the interior areas than on the coast, and the proportions are higher in summer than in winter.
It is important to understand atmospheric chemistry over Antarctica under a changing climate....
