Atmos. Chem. Phys. Discuss., 3, 655-676, 2003
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Accounting for local meteorological effects in the ozone time-series of Lovozero (Kola Peninsula)
O. A. Tarasova1 and A. Y. Karpetchko2
1Atmosphere Physics Department, Faculty of Physics, Moscow State University, Moscow, Russia
2Polar Geophysical Institute, Apatity, Russia (present address: Finnish Meteorological Institute, Sodankyla, Finland)

Abstract. The impact of local meteorological conditions on surface ozone was studied by means of regression models creation. Ozone and meteorological parameters measured at Lovozero site (250 m a.s.l., 68.5° N, 35.0° E, Kola Peninsula) for the period of 1999–2000 were used. The regression model of daily mean ozone concentrations on the meteorological parameters like temperature, relative humidity, and wind speed can explain up to 70% of the ozone variability, if the seasonal cycle is also considered. A regression model was created for separated time scales of the variables. The separation of short-term, synoptical and seasonal components was done by means of Kolmogorov-Zurbenko filtering. The synoptical scale variations were chosen as the most informative from the point of their relation with meteorological parameters. About 40% of synoptical scale variations of surface ozone can be explained by regression model on separated meteo parameters that is 30% more efficient than ozone residuals usage.

Citation: Tarasova, O. A. and Karpetchko, A. Y.: Accounting for local meteorological effects in the ozone time-series of Lovozero (Kola Peninsula), Atmos. Chem. Phys. Discuss., 3, 655-676, doi:10.5194/acpd-3-655-2003, 2003.
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