TY - JOUR A1 - Schaub, D. A1 - Boersma, K. F. A1 - Keller, J. A1 - Folini, D. A1 - Brunner, D. A1 - Buchmann, B. A1 - Berresheim, H. A1 - Staehelin, J. T1 - SCIAMACHY tropospheric NO2 over the Alpine region and importance of pixel surface pressure for the column retrieval JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 7 IS - 1 SP - 429 EP - 468 Y1 - 2007/01/12 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/7/429/2007/ L1 - http://www.atmos-chem-phys-discuss.net/7/429/2007/acpd-7-429-2007.pdf ER -