Updating TCCON GGG2020 data to the WMO X2019 CO2 scale and application to satellite validation

Joshua Laughner1, Bianca Baier2,3, Kathryn McKain2,3, Matthäus Kiel1,4, Gregory B Osterman1, Geoffrey C Toon5, Debra Wunch6, Coleen Marie Roehl7 and Paul O Wennberg8,9, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (2)NOAA ESRL Global Monitoring Division, Boulder, CO, United States, (3)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (4)California Institute of Technology, Pasadena, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)University of Toronto, Department of Physics, Toronto, ON, Canada, (7)California Institute of Technology, Pasadena, CA, United States, (8)California Institute of Technology, Department of Environmental Science and Engineering, Pasadena, United States, (9)California Institute of Technology, Division of Engineering and Applied Science, Pasadena, United States