Assessment of Variations of O3 Concentrations in Kopački Rit Nature Park, Eastern Croatia

摘要

Result of the first ozone monitoring in ambient air Nature Park of Kopački Rit (Eastern Croatia)are reported for the growth season in 2008. The measured hourly concentrations of ozone in the air do notexceed the limit value of 110 μg m–3 statutory regulation by Croatian legalization for the protection ofhuman health. There were only 13 days exceeding of the target value of 120 μg m–3 (8-h averages) as establishedin the European Union guidelines on ozone pollution in ambient air. In contrast to the measuredAOT40 whose value does not exceed the critical level of 18 000 (μg m–3) ·h for vegetation injury, an estimatedAOT40 value was somewhat higher. The relationships between O3 and meteorological variableswere investigated by a principal component analysis (PCA). Fourier analysis methods applied to ozoneconcentrations data showed that the most important variations in the O3 data are represented by usual dailycycles. (doi: 10.5562/cca2147)