2019冠状病毒病对东印度地区黑碳和一氧化碳水平的影响及其健康风险评估

IF 1.6 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Tapan Kumar Sankar, Amit Kumar, Balram Ambade, Dilip Kumar Mahato, Ali Jaan Hussain, Shrikanta Shankar Sethi, Faruq Mohammad, Ahmed A. Soleiman, Sneha Gautam
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引用次数: 0

摘要

本研究旨在描述Jamshedpur市正常期(NP)和封锁期(LP)黑碳(BC)、PM2.5和CO浓度水平等空气污染物变化的测量,以及对其来源分配和健康风险的估计。LP期间,城市大气污染物主要为BC、PM2.5和CO浓度逐渐下降。BC、PM2.5和CO的平均质量浓度约为38.46 ± 1.91µgm−3176.55 ± 21.72µgm−3840 ± 282 ppbv在NP和9.68 ± 2.36µgm−3,42.86 ± 18.97µgm−3175.88 ± LP期间分别为121.82ppbv。与NP相比,LP期间的BC、PM2.5和CO浓度较低。这可能是因为新冠肺炎大流行禁止所有人类活动。BC的来源分配分析表明,与LP的化石燃料排放(37.5%)相比,生物质燃烧(62.5%)的贡献较高。空气轨迹模型显示,大部分气团来自印度西部,在定位位置也接收到一些新鲜的海洋气团。暴露于BC对CVM(心血管死亡率)、LC(癌症)、LBW(低出生体重)和PLEDSC(学龄儿童肺功能下降百分比)各自健康影响的健康风险在NP中评估为9.76、4.8、8.59和19.59 PSC,在LP中评估为8.35、4.1、7.35和16.77 PSC
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact of COVID-19 on Black Carbon and Carbon Monoxide Levels and Its Health Risk Assessment Over East India

The present research aims to describe the measurement of the changes in air pollutants such as black carbon (BC), PM2.5, and CO concentrations levels, and estimation of their source apportionment and health risk during normal period (NP) as well as lockdown period (LP) in Jamshedpur city. The urban atmospheric pollutants mostly BC, PM2.5 and CO concentrations were observed gradual fall during LP. The averaged mass concentration of BC, PM2.5 and CO was found about 38.46 ± 1.91 µgm−3, 176.55 ± 21.72 µgm−3, 840 ± 282 ppbv in NP and 9.68 ± 2.36 µgm−3, 42.86 ± 18.97 µgm−3, 175.88 ± 121.82 ppbv during LP, respectively. BC, PM2.5, and CO concentrations were shown to be lower during LP as compared to NP. This may be because of prohibited of all human activities due to COVID-19 pandemic. The source apportionment analysis of BC indicated that the biomass burning (62.5%) contribution was high as compared to fossil fuel emission (37.5%) at LP. The air trajectory model showed that most of the air masses were coming from western part of India and also some fresh marine air masses were received at the located position. The health risk for respective health effects of CVM (cardiovascular mortality), LC (lung cancer), LBW (low birth weight), and PLEDSC (percentage lung function decrement of school-aged children) due to exposure to BC was evaluated as 9.76, 4.8, 8.59 and 19.59 PSC in NP and 8.35, 4.1, 7.35 and 16.77 PSC in LP.

Graphical abstract

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来源期刊
Aerosol Science and Engineering
Aerosol Science and Engineering Environmental Science-Pollution
CiteScore
3.00
自引率
7.10%
发文量
42
期刊介绍: ASE is an international journal that publishes high-quality papers, communications, and discussion that advance aerosol science and engineering. Acceptable article forms include original research papers, review articles, letters, commentaries, news and views, research highlights, editorials, correspondence, and new-direction columns. ASE emphasizes the application of aerosol technology to both environmental and technical issues, and it provides a platform not only for basic research but also for industrial interests. We encourage scientists and researchers to submit papers that will advance our knowledge of aerosols and highlight new approaches for aerosol studies and new technologies for pollution control. ASE promotes cutting-edge studies of aerosol science and state-of-art instrumentation, but it is not limited to academic topics and instead aims to bridge the gap between basic science and industrial applications.  ASE accepts papers covering a broad range of aerosol-related topics, including aerosol physical and chemical properties, composition, formation, transport and deposition, numerical simulation of air pollution incidents, chemical processes in the atmosphere, aerosol control technologies and industrial applications. In addition, ASE welcomes papers involving new and advanced methods and technologies that focus on aerosol pollution, sampling and analysis, including the invention and development of instrumentation, nanoparticle formation, nano technology, indoor and outdoor air quality monitoring, air pollution control, and air pollution remediation and feasibility assessments.
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