Ammonia Observations Over Large North American Cities

Emily R. Lill , Ilana B. Pollack, J. Robert Roscioli, Ann M. Middlebrook, Alison Piasecki, Sarah Albertin, Skyler Carlson, Amy Sullivan, Nell Schafer, Jeff Peischl, Andrew Rollins, Eleanor M. Waxman, Kristen Zuraski, Jessica B. Gilman, Victoria Treadaway, Morgan Selby, Chelsea E. Stockwell, Matthew M. Coggon, Kelvin H. Bates, Carsten Warneke, Jeffrey R. Pierce, and Emily V. Fischer. Journal of Geophysical Research: Atmospheres.