Author(s)

G.J.M. Velders, C. Granier, R.W. Portmann, K. Pfeilsticker, M. Wenig, T. Wagner C. Leue, U. Platt, A. Richter & J.P. Burrows

Abstract

Model derived tropospheric NC>2 columns compared with GOME measurements G.J.M. Velders^, C. Granier^'*, R.W. Portmann^, K. Pfeilsticker^, M. Wenig^, T. Wagner^ C. Leue^, U. Platt*, A. Richter^ & J.P. Burrows^ Research Laboratory, National Institute of Public Health and the Environment, Bilthoven, The Netherlands. ^Aeronomy Laboratory, NOAA, Boulder, USA. * Service d'Aeronomie CNRS, Paris, France. ^Institutfur Umweltphysik, University of Heidelberg, Germany. ^Institute of Environmental Physics, University of Bremen, Germany. Abstract Tropospheric NO] columns derived from measurements by the GOME satellite instrument have been compared with calculations from the global chemistry- transport model MOZART, in order to gain insights into the distribution and fate of atmospheric NO%. The measured and modelled NO] columns show similar spatial and seasonal patterns, with large tropospheric column amounts over industrialized areas and small column amounts over remote areas. The

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