Articles | Volume 17, issue 24
Atmos. Chem. Phys., 17, 15151–15165, 2017
https://doi.org/10.5194/acp-17-15151-2017
Atmos. Chem. Phys., 17, 15151–15165, 2017
https://doi.org/10.5194/acp-17-15151-2017

Research article 21 Dec 2017

Research article | 21 Dec 2017

Gradients of column CO2 across North America from the NOAA Global Greenhouse Gas Reference Network

Xin Lan et al.

Data sets

CarbonTracker CT2015 National Oceanic & Atmospheric Administration (NOAA) https://www.esrl.noaa.gov/gmd/ccgg/carbontracker/CT2015/

Observation Package (ObsPack) Data Products National Oceanic & Atmospheric Administration (NOAA) https://doi.org/10.15138/G3H59M

AirCore data in the study of "Gradients of column CO2 across North America from the NOAA Global Greenhouse Gas Reference Network" C. Sweeney, T. Newberger, S. Wolter, H. Chen, M. L. Fischer, J. Higgs, and X. Lan https://doi.org/10.15138/G3N33W

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Short summary
We analyze spatial patterns of column CO2 over North America using well-calibrated aircraft and tall tower measurements. We find that the long-term averaged spatial gradients of column CO2 across North America show a smooth pattern that mainly reflects the large-scale circulation. Our results can serve as a good reference for evaluating current and future column CO2 retrievals from both ground and satellite platforms.
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