Seven years of repeated mobile OGI surveys for tracking long-term trends in methane emissions from oil and gas facilities

Yuanlei Chen1, Jacob Englander2, Alan M Gorchov Negron3, Genevieve Plant4, Graham Fordice3, Stefan Schwietzke5, Daniel Zavala-Araiza6, Eric A Kort4 and Adam R Brandt1, (1)Stanford University, Stanford, CA, United States, (2)California Environmental Protection Agency Air Resources Board, Sacramento, United States, (3)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (4)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, United States, (5)Environmental Defense Fund, Berlin, Germany, (6)Environmental Defense Fund, International Scientist, Climate and Energy Program, Austin, TX, United States