Zhou, Qingtao, Charles T. Driscoll, Stephen E. Moore, Matt A. Kulp, James R. Renfro, John S. Schwartz, Meijun Cai, and Jason A. Lynch. "Developing Critical Loads of Nitrate and Sulfate Deposition to Watersheds of the Great Smoky Mountains National Park, USA." Water, Air, & Soil Pollution 226, no. 8 (2015).

Cai, Meijun, John S. Schwartz, Bruce R. Robinson, Stephen E. Moore, and Matthew A. Kulp. "Long-Term Annual and Seasonal Patterns of Acidic Deposition and Stream Water Quality in a Great Smoky Mountains High-Elevation Watershed." Water Air and Soil Pollution 219, no. 1-4 (2011): 547-562.

Cai, Meijun, Amy M. Johnson, John S. Schwartz, Stephen E. Moore, and Matthew A. Kulp. "Response of Soil Water Chemistry to Simulated Changes in Acid Deposition in the Great Smoky Mountains." Journal of Environmental                        Engineering-Asce 137, no. 7 (2011): 617-628.

Cai, Meijun, Amy M. Johnson, John S. Schwartz, and Matthew A. Kulp. "Soil Acid-Base Chemistry of a High-Elevation Forest Watershed in the Great Smoky Mountains National Park: Influence of Acidic Deposition." Water, Air, and Soil Pollution (2011).

Cai, Meijun, John S. Schwartz, Bruce R. Robinson, Stephen E. Moore, and Matthew A. Kulp. "Long-Term Effects of Acidic Deposition on Water Quality in a High-Elevation Great Smoky Mountains National Park Watershed: Use of an Ion Input-Output Budget." Water Air and Soil Pollution 209, no. 1-4 (2010): 143-156.