Acidity decline in Antarctic ice cores during the Little Ice Age linked to changes in atmospheric nitrate, biomass burning, and sea salt concentrations

Pasteris, D. R., McConnell, J. R., Edwards, R., Acidity decline in Antarctic ice cores during the Little Ice Age linked to changes in atmospheric nitrate, biomass burning, and sea salt concentrations, Journal of Geophysical Research: Atmospheres, 119, 5640-5652, 10.1002/2013JD020377