Stable isotope constraints on urban CO2 and CH4 emission sources in Montreal derived from aircraft, UAV, and ground measurements

Regina Gonzalez Moguel; Peter M.J. Douglas; Keyvan Ranjbar; Leonid Nichman; Jacob Asomaning; Quinn Dyer-Hawes; Gustavo Villarruel; Djordje Romanic; Lei Liu; Benjamin Riot—Bretêcher; Beatriz Porto Ghirardi; John Stix; Margaret Kalacska; Oliver Lucanus; Juan Pablo Arroyo Mora; Sebastien Ars; Felix Vogel; Frederic Fabry; John Gyakum; Yi Huang