A new multi-gas constrained model of trace gas non-homogeneous transport in ¿rn: evaluation and behaviour at eleven polar sites

E. Witrant, C. Martinerie, C. Hogan, J.C. Laube, K. Kawamura, Emilie Capron, S.A. Montzka, E.J. Dlugokencky, D. Etheridge, Thomas Blunier, W.T. Sturges