Abstract
With the rapid industrialization and urbanization in China, the great increases in anthropogenic emissions during the last decades have caused serious air pollution problems greatly influencing public health [1–2]. The Beijing-Tianjin-Hebei (BTH) region, located in central-eastern China, is not only one of China's most economically developed and industrialized regions, but is the area that most frequently experiences haze episodes. In this study, the characteristics of spatial and temporal distribution and variation trends of aerosol optical depth (AOD) on 550 nm, SO2 and NO2 column density during 2002–2013 over BTH region were analyzed by using MODIS, OMI, GOME-2 and SCIAMACHY satellite data [3–5]. With the Geographically Weighted Regression (GWR) model, the driving factors including motor vehicle ownership, electricity output, population and the construction area from the city statistical yearbooks are preliminary analyzed.
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