TY - JOUR A1 - Meirink, J. F. A1 - Bergamaschi, P. A1 - Krol, M. C. T1 - Technical Note: Four-dimensional variational data assimilation for inverse modelling of atmospheric methane emissions: method and comparison with synthesis inversion JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 8 IS - 3 SP - 12023 EP - 12052 Y1 - 2008/06/18 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/8/12023/2008/ L1 - http://www.atmos-chem-phys-discuss.net/8/12023/2008/acpd-8-12023-2008.pdf DO - 10.5194/acpd-8-12023-2008 ER -