the ocean at multiple scales. Can. J. Fish. Aquat. Sci. 61, 673–684. Tellus 63B (2011), 5 25-YR AEROSOL RECORDS AT COASTAL ANTARCTICAL IONIC COMPOUNDS 919 Simó, R. and Dachs, J. 2002. Global ocean emission [...] comprehensive review the pivotal role of chemical proxies in reconstructing the history of the South- ern Ocean and Antarctic climate over the last few millennia. In this context, the most meaningful ionic impurities [...] rine biogenic source of atmospheric MS and nss-SO2− 4 governed by the productivity of the Southern Ocean (Minikin et al., 1998, Preunkert et al., 2008), sea ice as a significant sea salt source (Wagenbach