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Proceedings Paper

Surface ozone observations at Mt. Cimone Observatory (Italy)
Author(s): Paolo Bonasoni; Giorgio Giovanelli; Tiziano Colombo; V. Cundari
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Paper 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.

Paper Details

Date Published: 2 November 1993
PDF: 8 pages
Proc. SPIE 2047, Atmospheric Ozone, (2 November 1993); doi: 10.1117/12.163483
Show Author Affiliations
Paolo Bonasoni, FISBAT-CNR Institute (Italy)
Giorgio Giovanelli, FISBAT-CNR Institute (Italy)
Tiziano Colombo, Italian Meteorological Service (Italy)
V. Cundari, Italian Meteorological Service (Italy)

Published in SPIE Proceedings Vol. 2047:
Atmospheric Ozone
Thormod Henriksen, Editor(s)

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