According to the variation of vehicle populations, vehicle-use intensity, emission standards and fuel quality, high-resolution vehicle emission inventory of 0.02°×0.02 grid in Qingdao from 2000 to 2014 were developed by COPERT model and GIS, considering the differences of driving conditions and trip rates for each vehicle type in urban road, suburban road and highway. Results show that total emissions of CO, VOCs and SO2 decreased from 168.68kt, 33.57kt and 5.27kt to 155.14kt, 17.51kt and 2.44kt during the period of 2000 to 2014, while NOx, PM10 and CO2 increased from 23.88kt, 1.22kt and 2647.32kt to 57.82kt, 2.76kt and 17736.06kt at the same period. Passenger cars and motorcycles were the major contributors to CO and VOCs emissions, NOx and PM10 mainly came from buses and heavy duty trucks, while passenger cars and heavy duty trucks were main sources of CO2 and SO2. For spatial distributions, vehicle emissions presented decreasing trend from downtown areas to urban fringes and concentrated in highway with distinctive banding distribution. High vehicle emission intensity regions were Licang district, Shibei district, Shinan district and Chengyang district, and low emission intensity regions were Pingdu city, Laixi city and Laoshan district.
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