Overcoming challenges in using satellite-based CO2 data to understand carbon emissions from cities around the world

John C Lin1, Dien Wu1, Dustin Roten1, Benjamin Fasoli1, Tomohiro Oda2 and Eric A Kort3, (1)University of Utah, Atmospheric Sciences, Salt Lake City, UT, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States