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| Area source emission inventory of air pollutant and its spatial distribution characteristics in Pearl River Delta. |
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Abstract The 2006 Pearl River Delta (PRD) area source emission inventories of air pollutant and 3km′3km grid cell-based emission inventories of SO2, NOx, PM10, and VOC were established using the 2006 gridded data of population distributions as spatial surrogates. The total emissions of SO2, NOx, PM10, and VOC from area sources of PRD were 1.12′105, 5.25′104, 1.6′105, 3.14′105t, respectively, for the year of 2006. The large amount of emissions of SO2, NOx and PM10 were concentrated on the cities of Guangzhou, Foshan, Dongguan and Zhongshan while VOC emissions were mostly distributed in Guangzhou, Dongguan and Shenzhen.
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Received: 14 October 2008
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