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To investigate the variability of in situ profile shapes under a variety of meteorological and pollution conditions, results are presented of an agglomerative hierarchical cluster analysis of the in situ O3 and NO2 profiles for each of the four campaigns of the NASA DISCOVER-AQ mission. Understanding the observed profile variability for these trace gases is useful for understanding the accuracy of...
Summary We examine the response of deposition to decreases in anthropogenic emissions using the GEOS-Chem global atmosphere-ocean-land mercury simulation. Total global mercury sources in the model are 9230 Mg yr-1 (3400 Mg yr-1 anthropogenic, 650 Mg yr-1 biomass burning, 2180 Mg yr-1 land emissions, 3000 Mg yr-1 ocean emissions). Our atmospheric simulation describes the cycling of mercury through...
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