Source Identification of Urban dust Heavy Metals Using in Situ and Satellite Data in Three Mega Cities of Iran.

IF 2.7 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Bulletin of Environmental Contamination and Toxicology Pub Date : 2024-07-15 DOI:10.1007/s00128-024-03924-8

Zahra Mansouri, Hossein Mohammad Asgari, Sedigheh Battaleb-Looie, Majid Heidari, Ali Azhdari

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Abstract

The aim of this study was an integrative assessment of heavy metals associated with urban dust data in Iran (Ahvaz, Isfahan, and Shiraz). Samples of urban dust from four sites (traffic, industrial, residential, and Greenland) were collected, and ten heavy metal concentrations were determined using ICP_MS in each sample. The highest average concentrations of metals were at the traffic site for the Mn, Zn, and Cr metals. The PMF model indicates a higher percentage of Pb participation, which shows the importance of traffic resources. The highest non-carcinogenic risk (HI) was for the Cr and the carcinogenic risk was tolerable. To evaluate aerosol and its effects on urban dust, Aerosol Optical Depth (AOD) data were used during 2003-2023. According to the Mankendall test, the trend of AOD has been increasing in Esfahan (p_value < 0.05) and Shiraz. Although Ahvaz's AOD is about two times greater than other cities, the aerosol trend in Ahvaz is decreasing.

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利用伊朗三个特大城市的现场和卫星数据识别城市尘埃中重金属的来源。

本研究旨在对伊朗（阿瓦士、伊斯法罕和设拉子）城市灰尘数据中的重金属进行综合评估。研究人员从四个地点（交通、工业、住宅和格陵兰岛）收集了城市灰尘样本，并使用 ICP_MS 对每个样本中的十种重金属浓度进行了测定。在交通站点，锰、锌和铬金属的平均浓度最高。PMF 模型表明，铅的参与比例较高，这说明了交通资源的重要性。非致癌风险（HI）最高的是铬，致癌风险是可以容忍的。为了评估气溶胶及其对城市灰尘的影响，使用了 2003-2023 年期间的气溶胶光学深度（AOD）数据。根据 Mankendall 检验，埃斯法罕的 AOD 呈上升趋势（p_value

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来源期刊

Bulletin of Environmental Contamination and Toxicology 环境科学-毒理学

CiteScore

5.60

自引率

3.70%

发文量

230

审稿时长

1.7 months

期刊介绍： The Bulletin of Environmental Contamination and Toxicology(BECT) is a peer-reviewed journal that offers rapid review and publication. Accepted submissions will be presented as clear, concise reports of current research for a readership concerned with environmental contamination and toxicology. Scientific quality and clarity are paramount.