Background nitrogen dioxide (NO2) over the United States and its implications for satellite observations and trends: roles of aircraft, wildfires, and nitrate photolysis
Ruijun Dang1, Daniel J. Jacob2, Viral Shah2, Sebastian David Eastham3, Thibaud Fritz4, Loretta Mickley5, Tianjia Liu6, Jun Wang7 and Yi Wang8, (1)Harvard University, Cambridge, MA, United States, (2)Harvard University, Cambridge, United States, (3)Massachusetts Institute of Technology, Laboratory for Aviation and the Environment, Cambridge, United States, (4)Massachusetts Institute of Technology, Cambridge, MA, United States, (5)Harvard University, John A. Paulson School of Engineering and Applied Sciences, Cambridge, United States, (6)University of California, Irvine, Department of Earth System Science, Irvine, United States, (7)the University of Iowa, Department of Chemical and Biochemical Engineering, & Center of Global and Regional and Environmental Research, & Interdisciplinary Graduate Program in Informatics, the University of Iowa, Iowa City, IA, United States, (8)University of Iowa, Chemical and Biochemical Engineering, Iowa City, IA, United States
