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Semb et al. 1984
Semb, A., Braekkan, R. and Joranger, E. (1984). Major ions in spitsbergen snow samples. Geophysical Research Letters 11: doi: 10.1029/GL011i005p00445. issn: 0094-8276.

Chemical analysis of Spitsbergen snow cores sampled in spring 1983, reveals a spatial pattern consistent with orographic deposition of major anthropogenic pollutants with air movements from southeast towards northwest. The highest concentrations of pollutant species were found at an altitude of 700 metres above sea level, and are higher than for any other recorded snow samples from the Arctic.

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Geophysical Research Letters
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