Author(s)

Th. Muller, R. Dubois, G. Spindler, E. Bruggemann, R. Ackermann, A. Geyer and U. Platt

Abstract

Measurements of Nitrous Acid by DOAS and Diffusion Denuders: A Comparison Guest contribution Th. Muller\ R Dubois\ G Spindler\ E BriiggemaruV, R. Ackermann^ A. Geyer^ and U. Platf ^Institutfur Tropospharenforschung e. V. (IfT), Permoserstrafie 15, D-04303 Leipzig, Germany ^Institutfur Umweltphysik (IUP), Im Neuenheimer Feld 366, D-69120 Heidelberg, Germany Introduction and experimental setup Measurements of the atmospheric mixing ratio of nitrous acid were made with a Differential Optical Absorption Spectrometer and a wet annular denuder at the IfT research station near Melpitz in eastern Germany from September 1997 till November 1997. The station lies in a rural area with grassland surroundings. A federal highway from Leipzig to Torgau passes 1 km to the north of the site. The DOAS system is based on a coaxial Newton-type telescope

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