Fig. 14.6
Spatial distribution of annual average and inter-annual changes of VCDs for SO
2 (a–c) and NO
2 (d–f). The circles in panel (b) indicate the locations
of big power plants. (This
figure was adapted from Xia et al. (2016) with permission by Elsevier. (a) 2005. (b) The difference 2012–2005. (c) The difference
2014–2012. (d) 2005. (e) The difference 2012–2005. (f) The difference 2014–2012)
14 National Regulation of SO 2 and NO x Emissions in China
325
Spatial distribution of annual average and inter-annual changes of VCDs for SO
2 (a–c) and NO
2 (d–f). The circles in panel (b) indicate the locations
of big power plants. (This
figure was adapted from Xia et al. (2016) with permission by Elsevier. (a) 2005. (b) The difference 2012–2005. (c) The difference
2014–2012. (d) 2005. (e) The difference 2012–2005. (f) The difference 2014–2012)
14 National Regulation of SO 2 and NO x Emissions in China
325