Evolution and spatial distribution of road carbon emissions in Beijing-Tianjin-Hebei region

LIU Hao; LI Yan-xia; YU Feng-ju; LV Chen; YANG Nan; LIU Zhong-liang; ZHAO Meng

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China Environmental Science ›› 2022, Vol. 42 ›› Issue (10) : 4556-4564.

Air Pollution Control

Evolution and spatial distribution of road carbon emissions in Beijing-Tianjin-Hebei region

LIU Hao¹, LI Yan-xia¹, YU Feng-ju², LV Chen³, YANG Nan⁴, LIU Zhong-liang¹, ZHAO Meng⁵

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Abstract

Based on the carbon emission model of "motor vehicles", the evolution and regional distribution characteristics of road carbon emissions in Beijing-Tianjin-Hebei region from 2005 to 2020 were analysed by using the average annual mileage and fuel consumption of different types of motor vehicles. And a fleet of vehicles with different ages was established using the survival curves of different types of motor vehicles. The results showed that the road carbon emissions of Hebei were growing rapidly, with an average annual growth rate of 7.14% in the past five years, while the road carbon emissions of Beijing and Tianjin have entered a period of slow growth, the average annual growth rate of road carbon emissions in the past five years were only 1.01% and 2.27% respectively. Cars was the main vehicle type of road carbon emissions, whose carbon emissions accounted for more than 50% of the total emissions in the Beijing-Tianjin-Hebei region. The contribution of the light duty trucks to road carbon emissions in Beijing road was becoming more and more prominent, while the light and heavy duty trucks in Hebei and Tianjin were gradually emerging as the main driving factor for the growth of road carbon emissions. According to the 4km×4km grid distribution of road carbon emission in Beijing-Tianjin-Hebei region, the carbon emission intensity in Beijing and Tianjin was much higher than that in Hebei Province due to much denser roads.

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Beijing-Tianjin-Hebei / carbon emissions / evolution characteristics / spatial distribution / vehicles

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LIU Hao, LI Yan-xia, YU Feng-ju, LV Chen, YANG Nan, LIU Zhong-liang, ZHAO Meng. Evolution and spatial distribution of road carbon emissions in Beijing-Tianjin-Hebei region[J]. China Environmental Science. 2022, 42(10): 4556-4564

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