Source Attribution of Methane Emissions in Northeastern Colorado Using Ammonia to Methane Emission Ratios

Scott Joseph Eilerman1,2, J A Neuman3, Jeff Peischl1, Kenneth C. Aikin4, Thomas B Ryerson5, Anne Elizabeth Perring6, Ellis Shipley Robinson1,2, Maxwell Holloway7 and Michael Trainer8, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (2)NOAA Earth System Research Lab, Boulder, CO, United States, (3)CIRES, Boulder, CO, United States, (4)Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, United States, (5)NOAA, Earth System Research Laboratory, Boulder, CO, United States, (6)Colgate University, Hamilton, United States, (7)Science and Technology Corporation, Boulder, United States, (8)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States