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Impact of traffic-related activities on heavy metal pollution, resuspension and associated health risks of urban dust
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Xi ZHU1, 2, 3, *, Si-yuan SONG1, 2, Wei-xian YU1, 4, Qian WANG1, 2, Si-qi LIU1, 3
China Environmental Science | 2025, 45(3) : 1623 - 1635
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China Environmental Science | 2025, 45(3): 1623-1635
• Environmental Toxicology and Environmental Health •
Impact of traffic-related activities on heavy metal pollution, resuspension and associated health risks of urban dust
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Xi ZHU1, 2, 3, *, Si-yuan SONG1, 2, Wei-xian YU1, 4, Qian WANG1, 2, Si-qi LIU1, 3
Affiliations
  • 1.School of Information Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China
  • 2.Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
  • 3.Institute of Environmental Management and Policy, Zhongnan University of Economics and Law, Wuhan 430073, China
  • 4.Guangzhou Research Institute of Environment Protection Co., Ltd, Guangzhou 510620, China
Published: 2025-03-20
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This study focuses on regions characterized by complex traffic environment area and its background environment, exploring the contamination profiles of six heavy metals（As, Hg, Cu, Ni, Pb, and Cd）at two spatial scales. Through modeling analysis, this study examined the patterns of dust resuspension and the associated health risks resulting from the movement of a single traffic source. The results indicate that the levels of Cd, Pb, and Cu contamination in traffic intensive area, as well as their ecological risks, exceed those found in background area, with Cd showing the highest contamination, 70% of which poses a high ecological risk. During the movement of a single traffic source, the severity of changes in dust concentration is positively correlated with velocity, with dust accumulation occurring at heights of 0.3m and 0.6m above ground level. The primary exposure pathway for key heavy metals is hand-to-mouth ingestion; although both non-carcinogenic risk and carcinogenic risks are generally low, at a vehicle speed of 60km/h and a height of 0.6m, the non-carcinogenic hazard quotient for inhalation（HQ-inh）is elevated. Therefore, protective measures are recommended for individuals active within this range.

logistics city  /  road dust  /  heavy metals  /  pollution assessment  /  source analysis  /  health risks
Xi ZHU, Si-yuan SONG, Wei-xian YU, Qian WANG, Si-qi LIU. Impact of traffic-related activities on heavy metal pollution, resuspension and associated health risks of urban dust[J]. China Environmental Science, 2025 , 45 (3) : 1623 -1635 .
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Article Info
  • Receive Date：2024-08-04
  • Online Date：2026-03-18
  • Published：2025-03-20
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  • Received：2024-08-04
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Affiliations
    1.School of Information Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China
    2.Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    3.Institute of Environmental Management and Policy, Zhongnan University of Economics and Law, Wuhan 430073, China
    4.Guangzhou Research Institute of Environment Protection Co., Ltd, Guangzhou 510620, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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