Nitrogen deposition to the United States: distribution, sources, and processes

Zhang, L., Jacob, D. J., Knipping, E. M., Kumar, N., Munger, J. W., Carouge, C. C., van Donkelaar, A., Wang, Y., Chen, D. (2012). Nitrogen deposition to the United States: distribution, sources, and processes, Atmospheric Chemistry and Physics, 12, 4539-4554, 10.5194/acp-12-4539-2012