Articles | Volume 22, issue 2
https://doi.org/10.5194/acp-22-1229-2022
https://doi.org/10.5194/acp-22-1229-2022
Research article
 | 
24 Jan 2022
Research article |  | 24 Jan 2022

An integrated analysis of contemporary methane emissions and concentration trends over China using in situ and satellite observations and model simulations

Haiyue Tan, Lin Zhang, Xiao Lu, Yuanhong Zhao, Bo Yao, Robert J. Parker, and Hartmut Boesch

Data sets

Atmospheric Methane Dry Air Mole Fractions from the NOAA GML Carbon Cycle Cooperative Global Air Sampling Network, 1983–2018, Version: 2019-07 E. J. Dlugokencky, A. M. Crotwell, J. W. Mund, M. J. Crotwell, and K. W. Thoning https://doi.org/10.15138/VNCZ-M766

TCCON data from Anmyeondo, South Korea, Release GGG2014R0 T. Y. Goo, Y. S. Oh, and V. A. Velazco https://data.caltech.edu/records/266

TCCON data from Hefei, China, Release GGG2014R0 C. Liu, W. Wang, and Y. Sun https://data.caltech.edu/records/1092

TCCON data from Rikubetsu, Hokkaido, Japan, Release GGG2014R2 I. Morino, N. Yokozeki, T. Matzuzaki, and A. Shishime https://data.caltech.edu/records/957

TCCON data from Burgos, Philippines, Release GGG2014R0 I. Morino, V. A. Velazco, H. Akihiro, ,U. Osamu, and D. W. T. Griffith https://data.caltech.edu/records/1090

TCCON data from Tsukuba, Ibaraki, Japan, 125HR, Release GGG2014R2 I. Morino, T. Matsuzaki, and A. Shishime https://data.caltech.edu/records/958

TCCON data from Saga, Japan, Release GGG2014R0 K. Shiomi, S. Kawakami, H. Ohyama, K. Arai, H. Okumura, C. Taura, T. Fukamachi, and M. Sakashita https://data.caltech.edu/records/288

Assessing 5 years of GOSAT Proxy XCH4 data and associated uncertainties (https://cds.climate.copernicus.eu) R. J. Parker, H. Boesch, K. Byckling, A. J. Webb, P. I. Palmer, L. Feng, P. Bergamaschi, F. Chevallier, J. Notholt, N. Deutscher, T. Warneke, F. Hase, R. Sussmann, S. Kawakami, R. Kivi, D. W. T. Griffith, and V. Velazco https://doi.org/10.5194/amt-8-4785-2015

ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols S. C. Wofsy, S. Afshar, H. M. Allen, E. C. Apel, E. C. Asher, B. Barletta, J. Bent, H. Bian, B. C. Biggs, D. R. Blake, N. Blake, I. Bourgeois, C. A. Brock, W. H. Brune, J. W. Budney, T. P. Bui, A. Butler, P. Campuzano-Jost, C. S. Chang, M. Chin, R. Commane, G. Correa, J. D. Crounse, P. D. Cullis, B. C. Daube, D. A. Day, J. M. Dean-Day, J. E. Dibb, J. P. DiGangi, G. S. Diskin, M. Dollner, J. W. Elkins, F. Erdesz, A. M. Fiore, C. M. Flynn, K. D. Froyd, D. W. Gesler, S. R. Hall, T. F. Hanisco, R. A. Hannun, A. J. Hills, E. J. Hintsa, A. Hoffman, R. S. Hornbrook, L. G. Huey, S. Hughes, J. L. Jimenez, B. J. Johnson, J. M. Katich, R. F. Keeling, M. J. Kim, A. Kupc, L. R. Lait, J. F. Lamarque, J. Liu, K. McKain, R. J. McLaughlin, S. Meinardi, D. O. Miller, S. A. Montzka, F. L. Moore, E. J. Morgan, D. M. Murphy, L. T. Murray, B. A. Nault, J. A. Neuman, P. A. Newman, J. M. Nicely, X. Pan, W. Paplawsky, J. Peischl, M. J. Prather, D. J. Price, E. A. Ray, J. M. Reeves, M. Richardson, A. W. Rollins, K. H. Rosenlof, T. B. Ryerson, E. Scheuer, G. P. Schill, J. C. Schroder, J. P. Schwarz, J. M. St.Clair, S. D. Steenrod, B. B. Stephens, S. A. Strode, C. Sweeney, D. Tanner, A. P. Teng, A. B. Thames, C. R. Thompson, K. Ullmann, P. R. Veres, N. Vieznor, N. L. Wagner, A. Watt, R. Weber, B. Weinzierl, P. O. Wennberg, C. J. Williamson, J. C. Wilson, G. M. Wolfe, C. T. Woods, and L. H. Zeng https://doi.org/10.3334/ORNLDAAC/1581

HIPPO Merged 10-second Meteorology, Atmospheric Chemistry, Aerosol Data Version 1.0 S. C. Wofsy, B. C. Daube, R. Jimenez, E. Kort, J. V. Pittman, S. Park, R. Commane, B. Xiang, G. Santoni, D. Jacob, J. Fisher, C. Pickett-Heaps, H. Wang, K. Wecht, Q.-Q. Wang, B. B. Stephens, S. Shertz, A. S. Watt, P. Romashkin, T. Campos, J. HaGggerty, W. A. Cooper, D. Rogers, S. Beaton, R. Hendershot, J. W. Elkins, D. W. Fahey, R. S. Gao, F. Moore, S. A. Montzka, J. P. Schwarz, A. E. Perring, D. Hurst, B. R. Miller, C. Sweeney, S. Oltmans, D. Nance, E. Hintsa, G. Dutton, L. A. Watts, J. R. Spackman, K. H. Rosenlof, E. A. Ray, B. Hall, M. A. Zondlo, M. Diao, R. Keeling, J. Bent, E. L. Atlas, R. Lueb, and M. J. Mahoney https://doi.org/10.3334/CDIAC/hippo_010

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Short summary
Methane is the second most important anthropogenic greenhouse gas. Understanding methane emissions and concentration growth over China in the past decade is important to support its mitigation. This study analyzes the contributions of methane emissions from different regions and sources over the globe to methane changes over China in 2007–2018. Our results show strong international transport influences and emphasize the need of intensive methane measurements covering eastern China.
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