TY - JOUR A1 - Zhang, R. A1 - Thompson, T. M. A1 - Barna, M. G. A1 - Hand, J. L. A1 - McMurray, J. A. A1 - Bell, M. D. A1 - Malm, W. C. A1 - Schichtel, B. A. T1 - Source regions contributing to excess reactive nitrogen deposition in the Greater Yellowstone Area (GYA) of the United States JO - Atmos. Chem. Phys. J1 - ACP VL - 18 IS - 17 SP - 12991 EP - 13011 Y1 - 2018/09/10 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/18/12991/2018/ L1 - https://acp.copernicus.org/articles/18/12991/2018/acp-18-12991-2018.pdf DO - 10.5194/acp-18-12991-2018 ER -