RESEARCH OF VEHICLE EMISSION CHARACTERISTICS IN ZHENGZHOU BASED ON HIGH-RESOLUTION DYNAMIC EMISSION INVENTORY

WANG Wennan; LIU Gege; WEI Hongge; REN Ge; HE Weinan; HU Yuxin; LIN Hong; FAN Yahui; YANG Yaohuan

doi:10.13205/j.hjgc.202410012

Volume 42 Issue 10

Oct. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(10): 92-101

WANG Wennan, LIU Gege, WEI Hongge, REN Ge, HE Weinan, HU Yuxin, LIN Hong, FAN Yahui, YANG Yaohuan. RESEARCH OF VEHICLE EMISSION CHARACTERISTICS IN ZHENGZHOU BASED ON HIGH-RESOLUTION DYNAMIC EMISSION INVENTORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(10): 92-101. doi: 10.13205/j.hjgc.202410012

Citation:

WANG Wennan, LIU Gege, WEI Hongge, REN Ge, HE Weinan, HU Yuxin, LIN Hong, FAN Yahui, YANG Yaohuan. RESEARCH OF VEHICLE EMISSION CHARACTERISTICS IN ZHENGZHOU BASED ON HIGH-RESOLUTION DYNAMIC EMISSION INVENTORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(10): 92-101. doi: 10.13205/j.hjgc.202410012

Citation:

WANG Wennan, LIU Gege, WEI Hongge, REN Ge, HE Weinan, HU Yuxin, LIN Hong, FAN Yahui, YANG Yaohuan. RESEARCH OF VEHICLE EMISSION CHARACTERISTICS IN ZHENGZHOU BASED ON HIGH-RESOLUTION DYNAMIC EMISSION INVENTORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(10): 92-101. doi: 10.13205/j.hjgc.202410012

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RESEARCH OF VEHICLE EMISSION CHARACTERISTICS IN ZHENGZHOU BASED ON HIGH-RESOLUTION DYNAMIC EMISSION INVENTORY

doi: 10.13205/j.hjgc.202410012

WANG Wennan¹,
LIU Gege^1,2,
WEI Hongge³,
REN Ge^{1,2
,
,},
HE Weinan^4,5,
HU Yuxin¹,
LIN Hong^1,2,
FAN Yahui³,
YANG Yaohuan⁶

1. Zhengzhou Institute of Metrology, Zhengzhou 450001, China;
2. National Institute of Metrology, Beijing 100029, China;
3. Zhengzhou Digital City Operation Management Center, Zhengzhou 450001, China;
4. Beijing Transportation Institute, Beijing 100073, China;
5. School of Environment, Tsinghua University, Beijing 100084, China;
6. Zhengzhou Big Data Development Co., Ltd., Zhengzhou 450001, China

Received Date: 2023-04-28
Available Online: 2024-11-30

Abstract

Abstract

To deeply understand the current situation of vehicle emissions in Zhengzhou and improve the level of mobile pollution sources management, a vehicular dynamic emission model based on the traffic flow characteristics and localized emission factors was established by integrating multi-source traffic big data, achieving the real-time calculation of on-road emission. Then a high spatio-temporal resolution on-road emission inventory in Zhengzhou was developed at the hourly and link level. The vehicle emission characteristics were analyzed by vehicle type, ring road, administrative division, and road type, and the measures for vehicle pollution control were proposed. The results showed that passenger cars were the major contributors to CO₂, CO, and HC emissions, while NO_x and PM emissions mainly came from trucks and coaches. The carbon emissions (including CO₂, CO, and HC) in Zhengzhou were mainly concentrated in the area of the 3rd Ring Road, with a gradually decreasing trend from downtown areas to urban fringes. The emissions of NO_x and PM were concentrated in ring roads with distinctive banding distribution. The analysis of the emission characteristics of administrative regions showed that the proportion of CO₂, CO, and HC emissions in Zhengdong New District and Jinshui District was more prominent, and NO_x and PM emissions in Zhongmu County and Xinzheng County were relatively heavier. Additionally, the CO₂ emission rate of urban expressways was as high as 3.66 t/(km·d), and the NO_x emission intensity on highways was the highest, at 0.017 t/(km·d). The research indicated that Zhengzhou could give priority to promoting green and low-carbon development in the downtown area and enhancing the level of truck pollution control, which contributed to the synergy of pollution and carbon emissions reduction from mobile sources and improvement of air quality.
- Zhengzhou,
- vehicular dynamic emission model,
- real-time calculation,
- high spatio-temporal resolution on-road emission inventory,
- vehicles,
- emission characteristics

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References(38)

References

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