A gridded version of the US EPA inventory of methane emissions for use as a priori and reference in methane source inversions

Joannes D Maasakkers1, Daniel J. Jacob2, Melissa Payer Sulprizio3, Alexander J. Turner4, Melissa Weitz5, Thomas Charles Wirth6, Cate Hight6, Mark DeFigueiredo5, Mausami Desai5, Rachel Schmeltz5, Leif Hockstad6, Anthony A Bloom7 and Kevin W Bowman8, (1)Harvard University, Cambridge, United States, (2)Harvard University, John A. Paulson School of Engineering and Applied Sciences, Cambridge, United States, (3)Harvard University, School of Engineering and Applied Sciences, Cambridge, United States, (4)University of Washington, Seattle, WA, United States, (5)Environmental Protection Agency, Washington, DC, United States, (6)Environmental Protection Agency Washington DC, Washington, DC, United States, (7)JPL / Caltech, Pasadena, CA, United States, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States