Articles | Volume 18, issue 15
Atmos. Chem. Phys., 18, 11097–11124, 2018
https://doi.org/10.5194/acp-18-11097-2018

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Atmos. Chem. Phys., 18, 11097–11124, 2018
https://doi.org/10.5194/acp-18-11097-2018
Research article
09 Aug 2018
Research article | 09 Aug 2018

A global synthesis inversion analysis of recent variability in CO2 fluxes using GOSAT and in situ observations

James S. Wang et al.

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Revised manuscript accepted for ACP
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Cited articles

Andres, R. J., Boden, T. A., and Marland, G.: Monthly Fossil-Fuel CO2 Emissions: Mass of Emissions Gridded by One Degree Latitude by One Degree Longitude, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A., https://doi.org/10.3334/CDIAC/ffe.MonthlyMass.2012, 2012. 
Andrews, A. E., Kofler, J., Bakwin, P. S., Zhao, C., and Tans, P.: Carbon Dioxide and Carbon Monoxide Dry Air Mole Fractions from the NOAA ESRL Tall Tower Network, 1992–2009, Version: 2011-08-31, available at: ftp://aftp.cmdl.noaa.gov/data/trace_gases/co2/in-situ/tower/ (last access: 2 March 2018), 2009. 
ASCENDS Ad Hoc Science Definition Team: Active Sensing of CO2 Emissions over Nights, Days, and Seasons (ASCENDS) Mission Science Mission Definition Study (draft), available at: https://cce.nasa.gov/ascends_2015/ASCENDS_FinalDraft_4_27_15.pdf (last access: 11 August 2017), 2015. 
Baker, D. F., Law, R. M., Gurney, K. R., Rayner, P., Peylin, P., Denning, A. S., Bousquet, P., Bruhwiler, L., Chen, Y.-H., Ciais, P., Fung, I. Y., Heimann, M., John, J., Maki, T., Maksyutov, S., Masarie, K., Prather, M., Pak, B., Taguchi, S., and Zhu, Z.: TransCom 3 inversion intercomparison: Impact of transport model errors on the interannual variability of regional CO2 fluxes, 1988–2003, Global Biogeochem. Cy., 20, GB1002, https://doi.org/10.1029/2004GB002439, 2006. 
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We used measurements of CO2 in the atmosphere from the GOSAT satellite and from surface sites around the world, together with a transport model and a unique estimation technique, to quantify CO2 sources and removals over a recent period. We find that climate variations can strongly influence uptake by vegetation and release in decay and fires. However, regional gaps in observations and inaccuracies to which current satellite technology is susceptible result in important estimation biases.
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