Top-down estimates of European CH4 and N2O emissions based on four different inverse models

P. Bergamaschi, M. Corazza, U. Karstens, M. Athanassiadou, Rona Louise Thompson, I. Pison, A.J. Manning, P. Bousquet, A. Segers, A.T. Vermeulen, G Janssens-Maenhout, M. Schmidt, M. Ramonet, F. Meinhardt, T. Aalto, L. Haszpra, J. Moncrieff, M.E. Popa, D. Lowry, M. Steinbacher, A. Jordan, S. O'Doherty, S. Piacentino, E. Dlugokencky