Concentration of trace gases in the lower troposphere, simultaneously recorded at neighboring Alpine stations, Pt. 3, Sulfur dioxide, nitrogen dioxide, nitric oxide

• Published in: Meteorology and atmospheric physics Vol. 37; no. 2; pp. 114 - 128
• Main Authors: Reiter, R, Sladkovic, R, Kanter, HJ
• Format: Journal Article
• Language: English
• Published: 01.01.1987
• ISSN: 0177-7971

The importance of representative and long-term recordings of the trace gases SO sub(2) , NO sub(x) , and NO is explained. Recordings taken under different background conditions and simultaneously at neighboring mountain stations, together with other meteorological parameters are of interest. The recording stations for determining the gases mentioned (a valley station at 740 m a.s.l., a nearby mountain station at 1780 m a.s.l.), the measuring methods, calibration procedures, and zero-air supply are described. The main part deals with the representation of consistent data of trace gases obtained at the two stations (NO only in the valley floor). Attention was given not only to long-term trends but also to the seasonal and diurnal variations, and to the dependence of the gas concentrations on meteorological parameters. The time variations become understandable on the basis of such parameterization, and the causes can be explained fairly well. Correlations between the concentrations of the different gas components are shown.