TY - JOUR A1 - Angelbratt, J. A1 - Mellqvist, J. A1 - Blumenstock, T. A1 - Borsdorff, T. A1 - Brohede, S. A1 - Duchatelet, P. A1 - Forster, F. A1 - Hase, F. A1 - Mahieu, E. A1 - Murtagh, D. A1 - Petersen, K. A1 - Schneider, M. A1 - Sussmann, R. A1 - Urban, J. T1 - A new method to detect long term trends of methane (CH4) and nitrous oxide (N2O) total columns measured within the NDACC ground-based high resolution solar FTIR network JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 11 IS - 3 SP - 8207 EP - 8247 Y1 - 2011/03/10 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/11/8207/2011/ L1 - http://www.atmos-chem-phys-discuss.net/11/8207/2011/acpd-11-8207-2011.pdf DO - 10.5194/acpd-11-8207-2011 ER -