Adjoint inversion of Chinese non-methane volatile organic compound emissions using space-based observations of formaldehyde and glyoxal
Hansen Cao,Tzung-May Fu,Lin Zhang,Daven K. Henze,Christopher Chan Miller,Christophe Lerot,Gonzalo González Abad,Isabelle De Smedt,Qiang Zhang,Michel van Roozendael,François Hendrick,Kelly Chance,Jie Li,Junyu Zheng,and Yuanhong Zhao
Hansen Cao
Department of Atmospheric and Oceanic Sciences and Laboratory for
Climate and Ocean-Atmosphere Studies, School of Physics, Peking University,
Beijing, 100871, China
Department of Atmospheric and Oceanic Sciences and Laboratory for
Climate and Ocean-Atmosphere Studies, School of Physics, Peking University,
Beijing, 100871, China
Lin Zhang
Department of Atmospheric and Oceanic Sciences and Laboratory for
Climate and Ocean-Atmosphere Studies, School of Physics, Peking University,
Beijing, 100871, China
Daven K. Henze
Department of Mechanical Engineering, University of Colorado, Boulder,
USA
Christopher Chan Miller
Atomic and Molecular Physics Division, Harvard-Smithsonian Center for
Astrophysics, Cambridge, Massachusetts, USA
Atomic and Molecular Physics Division, Harvard-Smithsonian Center for
Astrophysics, Cambridge, Massachusetts, USA
Jie Li
Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, China
Junyu Zheng
College of Environmental Science and Engineering, South China
University of Technology, Guangzhou, China
Yuanhong Zhao
Department of Atmospheric and Oceanic Sciences and Laboratory for
Climate and Ocean-Atmosphere Studies, School of Physics, Peking University,
Beijing, 100871, China
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Our top-down estimates for annual total Chinese NMVOC emissions was 30.7 to 49.5 Tg y−1, including 16.4 to 23.6 Tg y−1 from anthropogenic sources, 12.2 to 22.8 Tg y−1 from biogenic sources, and 2.08 to 3.13 Tg y−1 from biomass burning. Our four inversions consistently showed that the emissions of Chinese anthropogenic NMVOC precursors of glyoxal were larger than the a priori estimates. The glyoxal and formaldehyde constraints helped distinguish the NMVOC species from different sources.
Our top-down estimates for annual total Chinese NMVOC emissions was 30.7 to 49.5 Tg y−1,...
