CarbonTracker-CH4 (v2022): An atmospheric assimilation system for estimating methane emissions consistent with atmospheric measurements of methane and its stable carbon isotopes

Youmi Oh1,2, Lori Bruhwiler2, Sourish Basu3,4, Xin Lan1,2, Sylvia Englund Michel5 and Edward J Dlugokencky2, (1)University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (2)NOAA, Global Monitoring Laboratory, Boulder, United States, (3)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States, (4)University of Maryland College Park, College Park, United States, (5)University of Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States