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Abstract

Ozone is an extremely interesting constituent of the atmosphere of alpine regions, where it often exceeds air quality standards. As part of research into the vegetation of these areas, meteorological and chemical parameters (including ozone levels) have been measured continuously at various sites and at different heights since 1987. An initial analysis of the data collected has allowed the various mechanisms which regulate ozone distribution to be identified. Apart from photochemical processes at local and regional level, the processes of exchange between the lower layers and the free troposphere of thermal or dynamic origin (e.g. the foehn) play an important role in defining the distribution in the area. Instances of ozone injection from the stratosphere have also been observed.

Additional information

Authors: SANDRONI S, JRC Ispra (IT);VENTURA A, Eco-Vema, Arona (IT);BACCI P, Ente Nazionale per l'Energia Elettrica CRTN, Milano (IT)
Bibliographic Reference: Article: Inquinamento, Vol. XXXIII (1991) No. 1
Record Number: 199110761 / Last updated on: 1994-12-02
Category: PUBLICATION
Original language: it
Available languages: it