Air-snow interactions and atmospheric chemistry.

  title={Air-snow interactions and atmospheric chemistry.},
  author={Florent Domine and Paul B. Shepson},
  volume={297 5586},
The presence of snow greatly perturbs the composition of near-surface polar air, and the higher concentrations of hydroxyl radicals (OH) observed result in a greater oxidative capacity of the lower atmosphere. Emissions of nitrogen oxides, nitrous acid, light aldehydes, acetone, and molecular halogens have also been detected. Photolysis of nitrate ions contained in the snow appears to play an important role in creating these perturbations. OH formed in the snowpack can oxidize organic matter… CONTINUE READING
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