TY - JOUR A1 - Petersen, A. K. A1 - Warneke, T. A1 - Frankenberg, C. A1 - Bergamaschi, P. A1 - Gerbig, C. A1 - Notholt, J. A1 - Buchwitz, M. A1 - Schneising, O. A1 - Schrems, O. T1 - First ground-based FTIR observations of methane in the inner tropics over several years JO - Atmos. Chem. Phys. J1 - ACP VL - 10 IS - 15 SP - 7231 EP - 7239 Y1 - 2010/08/06 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/10/7231/2010/ L1 - https://acp.copernicus.org/articles/10/7231/2010/acp-10-7231-2010.pdf DO - 10.5194/acp-10-7231-2010 ER -