An Atmosphere-based Method for Detection and Quantification of Methane Emisions from Natural Gas Infrastructure in an Urban Environment

Kathryn McKain1,2, Adrian Down3, Steve M Raciti4, John Budney5, Lucy Hutyra6, Cody R Floerchinger7, Scott C. Herndon8, Thomas Nehrkorn9, Mark S Zahniser7, Maryann R Sargent10, Robert B Jackson11, Nathan G Phillips12 and Steven C Wofsy5, (1)NOAA ESRL Global Monitoring Division, Boulder, United States, (2)NOAA, Global Monitoring Laboratory, Boulder, United States, (3)Duke University, Durham, NC, United States, (4)Hofstra University, Hempstead, NY, United States, (5)Harvard University, Cambridge, MA, United States, (6)Boston University, Earth & Environment, Boston, MA, United States, (7)Aerodyne Research Inc., Billerica, MA, United States, (8)Aerodyne Research Inc., Billerica, United States, (9)Atmospheric and Environmental Research Lexington, Lexington, MA, United States, (10)Harvard University, John A. Paulson School of Engineering and Applied Sciences, Cambridge, MA, United States, (11)Stanford University, School of Earth, Energy, and Environmental Sciences, Stanford, CA, United States, (12)Boston University, Boston, MA, United States