Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 25, Issue 36, Pages 36503-36517Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-018-3476-y
Keywords
Emission inventory; Vehicular pollutants; COPERT model; The YRD
Categories
Funding
- National Nature Science Foundation of China [40976021]
- Research Project of the State Key Laboratory of Pollution Control and Resources Reuse
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Multi-year inventories of vehicular emissions (CO, non-methane volatile organic compounds (NMVOC), NOx, PM10, CO2, CH4, N2O, NH3, and SO2) for each city in the Yangtze River Delta were calculated based on emission factors using the COPERT IV model, as well as its the high spatial resolution characteristics were established using a geographic information system methodology. Results showed that vehicular pollutant emissions (CO, NMVOC, NOx, PM10, CO2, CH4, N2O, NH3, and SO2) changed from 3081.47, 335.94, 293.78, 17.15, 32,349.74, 17.18, 0.97, 0.33, and 58.77Gg in 1999 to 1268.21, 249.9, 885.59, 39.78, 215,787.4, 19.38, 3.75, 13.78, and 24.93Gg in 2015, respectively. Among them, the vehicular emissions CO2 and NH3 increased significantly. The spatial distributions of pollutant emissions were rather unbalanced, with emissions being mainly concentrated in coastal areas (particularly along the Yangtze River, around Hangzhou Bay, and around Tai Lake) and in city centers (Shanghai, Nanjing, Suzhou, Wuxi, Hangzhou, and Ningbo). Based on the vehicular emission inventories, the effects of implementing vehicular emission reduction strategies were assessed. The results show that it is very important to implement more stringent emission standards as early as possible, but other control measures are also essential to future vehicular emission mitigation.
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