@article {12518, title = {Developing Critical Loads of Nitrate and Sulfate Deposition to Watersheds of the Great Smoky Mountains National Park, USA}, journal = {Water, Air, \& Soil Pollution}, volume = {226}, year = {2015}, month = {July}, publisher = {Springer International Publishing}, address = {Switzerland}, keywords = {Soil acidity, Water pollution, Watersheds}, doi = {10.1007/s11270-015-2502-7}, author = {Zhou, Qingtao and Driscoll, Charles T. and Moore, Stephen E. and Kulp, Matt A. and Renfro, James R. and Schwartz, John S. and Cai, Meijun and Lynch, Jason A.} }