Fig. 14From: Characterization of tropospheric ozone pollution, random forest trend prediction and analysis of influencing factors in South-western EuropeSpatial correlation between column tropospheric ozone concentration and precipitation (a), atmospheric pressure (b) and NO2 (c). Correlations between summertime tropospheric ozone and precipitable water (d), air temperature (e), and NO2 (f), respectivelyBack to article page