Regional visibility statistics in the United States: Natural and transboundary pollution influences, and implications for the Regional Haze Rule

Park, R. J., Jacob, D. J., Kumar, N., Yantosca, R. M. (2006). Regional visibility statistics in the United States: Natural and transboundary pollution influences, and implications for the Regional Haze Rule, Atmospheric Environment, 40 (28), 5405-5423, 10.1016/j.atmosenv.2006.04.059