An ensemble data assimilation system to estimate CO2 surface fluxes from atmospheric trace gas observations
Peters, W., J. B. Miller, J. Whitaker, A. S. Denning, A. Hirsch, M. C. Krol, D. Zupanski, L. Bruhwiler, and P. P. Tans
J. Geophys. Res., 110, D24304, DOI:10.1029/2995JD006157