Direct Observations of NOx Emissions over the San Joaquin Valley using Airborne Flux Measurements during RECAP-CA 2021 Field Campaign

Qindan Zhu1, Bryan Place2, Eva Y. Pfannerstill3, Tong Sha4, Huanxin Zhang5, Jun Wang6, Clara Nussbaumer7, Paul J Wooldridge2, Benjamin Schulze8, Caleb Arata2, Anthony Bucholtz9, John Seinfeld10, Allen H Goldstein11 and Ronald C Cohen12, (1)University of California, Berkeley, Earth and Planetary Sciences, Berkeley, United States, (2)University of California Berkeley, Berkeley, CA, United States, (3)University of California, Berkeley, Berkeley, United States, (4)University of Iowa, Iowa, United States, (5)University of Iowa, Department of Chemical and Biochemical Engineering, Iowa City, IA, United States, (6)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, (7)Max Planck Institute for Chemistry, Mainz, Germany, (8)California Institute of Technology, Department of Environmental Science and Engineering, Pasadena, United States, (9)Naval Postgraduate School, Monterey, CA, United States, (10)California Institute of Technology, Pasadena, United States, (11)University of California Berkeley, Berkeley, United States, (12)UC Berkeley, Berkeley, United States