Articles | Volume 18, issue 5
Research article
14 Mar 2018
Research article |  | 14 Mar 2018

The meteorology and chemistry of high nitrogen oxide concentrations in the stable boundary layer at the South Pole

William Neff, Jim Crawford, Marty Buhr, John Nicovich, Gao Chen, and Douglas Davis


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Short summary
Our study examined the effect of the seasonal cycle in meteorology from November through December and the role of stratospheric ozone depletion in the photochemical production of nitrogen oxide (NO) from nitrate in the snow at the South Pole. We found that ozone depletion which now extends into late November–early December coincides with optimum meteorological conditions (clear skies, a stable shallow boundary layer, and light winds) for high concentrations of NO to accumulate at the surface.
Final-revised paper