Reply to Uveges et al.: The assumption of a time-constant emission factor leads to biased estimates of fossil fuel methane emissions

Sylvia Englund Michel

Institute of Arctic and Alpine Research, University of Colorado

Xin Lan

John Miller

Global Monitoring Laboratory, National Oceanic and Atmospheric Administration

Pieter Tans

Institute of Arctic and Alpine Research, University of Colorado

Justin Reid Clark

Hinrich Schaefer

National Institute of Water and Atmospheric Research

Peter Sperlich

National Institute of Water and Atmospheric Research

Gordon Brailsford

National Institute of Water and Atmospheric Research

Shinji Morimoto

Center for Atmospheric and Oceanic Studies, Tohoku University

Heiko Moossen

Max Planck Institute for Biogeochemistry

Jianghanyang Li

Institute of Arctic and Alpine Research, University of Colorado