Zhang, X., Van Geffen, J., Zhang, P., and Wang, J.: 2011
in: Proceedings of the Dragon 2 Programme Mid-Term Results 2008 - 2010,
17-21 May 2010. Guilin City, China, ESA publication SP-684.
Typical seasonal variation with high pollution levels in winter and low in summer is found in the northwest of China, while the inverse seasonal variation is found for the south of China. The characteristics of tropospheric SO2 over megacities in China were explored and the results show that tropospheric SO2 was partly under control from 2006 because of the policy from China government for reduction in SO2 emissions in 2005.
Abstract Introduction 1. Methology and data sources 1.1 SCIAMACHY instrument and SO2 data retrieval 1.2 Ground-based remote sensing data 3. Results and discussion 3.1 Validation of satellite data products 3.2 Spatial and temporal distribution 3.3 Seasonal variation 3.4 Characteristics of tropospheric SO2 over megacities in China 4. Conclusions Acknowledgement References note: the sections are not numbered correctlyPDF file of the paper (10 pages; 480 kB)
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