Articles | Volume 13, issue 7
Atmos. Meas. Tech., 13, 4009–4033, 2020
Atmos. Meas. Tech., 13, 4009–4033, 2020

Research article 24 Jul 2020

Research article | 24 Jul 2020

On the performance of satellite-based observations of XCO2 in capturing the NOAA Carbon Tracker model and ground-based flask observations over Africa's land mass

Anteneh Getachew Mengistu and Gizaw Mengistu Tsidu

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Preprint under review for BG
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Cited articles

Bie, N., Lei, L., Zeng, Z., Cai, B., Yang, S., He, Z., Wu, C., and Nassar, R.: Regional uncertainty of GOSAT XCO2 retrievals in China: quantification and attribution, Atmos. Meas. Tech., 11, 1251–1272,, 2018. a
Boesch, H., Baker, D., Connor, B., Crisp, D., and Miller, C.: Global characterization of CO2 column retrievals from shortwave-infrared satellite observations of the Orbiting Carbon Observatory-2 mission, Remote Sens., 3, 270–304,, 2011. a
Carré, F., Hiederer, R., Blujdea, V., and Koeble, R.: Background guide for the calculation of land carbon stocks in the biofuels sustainability scheme: drawing on the 2006 IPCC guidelines for national greenhouse gas inventories, Luxembourg: Joint Research Center, European Commission, EUR, 24573, 34463,, 2010. a
Chatterjee, A., Gierach, M., Sutton, A., Feely, R., Crisp, D., Eldering, A., Gunson, M., O'Dell, C., Stephens, B., and Schimel, D.: Influence of El Niño on atmospheric CO2 over the tropical Pacific Ocean: Findings from NASA’s OCO-2 mission, Science, 358, eaam5776,, 2017. a
Chevallier, F.: Impact of correlated observation errors on inverted CO2 surface fluxes from OCO measurements, Geophys. Res. Lett., 34, L24804,, 2007. a
Short summary
This paper assesses the performance of observed XCO2 from the GOSAT and OCO-2 satellites in capturing simulated XCO2 from the NOAA Carbon Tracker model over Africa. These satellite observations and Carbon Tracker mixing ratios near the surface are also compared to available in situ CO2 flask data from Assekrem, Algeria; Mt. Kenya; Gobabeb, Namibia; and Cape Town; as well as to data off the coast at Seychelles, Ascension Island, and at Izana, Tenerife.