Articles | Volume 14, issue 20
Biogeosciences, 14, 4755–4766, 2017

Special issue: Data assimilation in carbon/biogeochemical cycles: consistent...

Biogeosciences, 14, 4755–4766, 2017

Reviews and syntheses 25 Oct 2017

Reviews and syntheses | 25 Oct 2017

Reviews and syntheses: guiding the evolution of the observing system for the carbon cycle through quantitative network design

Thomas Kaminski and Peter Julian Rayner

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Cited articles

Baker, D. F., Bösch, H., Doney, S. C., O'Brien, D., and Schimel, D. S.: Carbon source/sink information provided by column CO2 measurements from the Orbiting Carbon Observatory, Atmos. Chem. Phys., 10, 4145–4165,, 2010.
Bovensmann, H., Bösch, H., Brunner, D., Ciais, P., Crisp, D., Dolman, H., Hayman, G., Houweling, S., and Lichtenberg, L.: Report for mission selection: CarbonSat – An earth explorer to observe greenhouse gases, Tech. rep., Noordwijk, the Netherlands, available at: (last access: 23 October 2017), 2015.
Chevallier, F.: Impact of correlated observation errors on inverted CO2 surface fluxes from OCO measurements, Geophys. Res. Lett., 34, l24804,, 2007.
Chevallier, F., Bréon, F.-M., and Rayner, P. J.: Contribution of the Orbiting Carbon Observatory to the estimation of CO2 sources and sinks: Theoretical study in a variational data assimilation framework, J. Geophys. Res.-Atmos., 112, d09307,, 2007.
Short summary
Observations can reduce uncertainties in past, current, and predicted natural and anthropogenic CO2 fluxes. They provide independent information for verification of actions as requested by the Paris Agreement. Quantitative network design (QND) is an objective approach to optimise in situ networks and space missions to achieve an optimal use of the observational capabilities. We describe recent progress and advocate an integrated QND system that simultaneously evaluates multiple data streams.
Final-revised paper