Author(s)

A. Kraus, D Burning, A. Hofzumahaus and F Rohrer

Abstract

NO: -> NO + O(*P) Photolysis Frequencies Determined from Spectro radio metric Measurements of Solar Actinic UV Radiation: Comparison with Chemical Actinometer Measurements Guest contribution A. Kraus, D Burning, A. Hofzumahaus and F Rohrer Institut fur Atmospharische Chemie ICG3, Forschungszentrum Jtilich GmbH, D-52425 Mlich, Germany The UV photodissociation of atmospheric trace gases like Og, NO:, HCHO, H:©:, etc. are key-processes in atmospheric chemistry. They lead to primary production of free radicals like OH and HO:, and to a large extent determine the partitioning of NO and NO: thus contributing to and controlling the rate of local chemical ozone production in the troposphere. Reliable photolysis frequency data therefore are of critical importance for the correct interpretation of atmospheric field experiments. In order to measure atmospheric photolysis frequencies, we developed the 'act

Keywords