Surface ozone observations at Mt. Cimone Observatory (Italy)

Paolo Bonasoni; Giorgio Giovanelli; Tiziano Colombo; V. Cundari

doi:10.1117/12.163483

2 November 1993 Surface ozone observations at Mt. Cimone Observatory, Italy

Paolo Bonasoni, Giorgio Giovanelli, Tiziano Colombo, V. Cundari

Proceedings Volume 2047, Atmospheric Ozone; (1993) https://doi.org/10.1117/12.163483
Event: High Latitude Optics, 1993, Tromso, Norway

Abstract

Troposphere ozone concentration has been monitored since March 1991 at the Mt. Cimone Observatory (44 degree(s)12' N, 10 degree(s)42' E, 2165 m asl), a mountain site far from sources of anthropogenic pollution. The yearly trends of surface ozone concentration clearly evince a variation marked by peaks in spring and summer. That no ozone diurnal variations are usually found in late autumn, winter and early spring means that Mt. Cimone can be considered a baseline station over this period. In the warmer months, the daily ozone variation is affected by local mixing with the upwelling of ozone-poor low tropospheric air over the mid-daytime hours. Screening out the latter values, as well as those induced by horizontal transport phenomena from the pollutant-rich Po valley lowlands, yields free tropospheric ozone concentrations.

Citation Download Citation

Paolo Bonasoni, Giorgio Giovanelli, Tiziano Colombo, and V. Cundari "Surface ozone observations at Mt. Cimone Observatory, Italy", Proc. SPIE 2047, Atmospheric Ozone, (2 November 1993); https://doi.org/10.1117/12.163483

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