COVID-19对布加勒斯特空气质量的影响

IF 1 Q4 ENGINEERING, ENVIRONMENTAL
G. Cican, R. Mirea
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引用次数: 0

摘要

在这篇论文中,作者的目标是评估罗马尼亚首都布加勒斯特市在COVID-19大流行期间的空气质量。众所周知,在相当长的一段时间里,布加勒斯特是罗马尼亚空气质量最差的城市之一。因此,本文对实施隔离和封锁对空气污染的影响进行了调查。在2020年1月至2022年4月期间,通过属于罗马尼亚国家空气质量监测网络(rmmca)的6个固定监测站(B-1、B-2、B-3、B-4、B-5和B-6)记录了主要空气污染物的水平:颗粒物(PM2.5和PM10)、二氧化氮(NO2)和苯(C6H6)。在封锁期间(16)。3月14日。2020年5月),测量结果显示只有PM2.5、NO2和C6H6显著减少,而PM10由于出现沙尘暴的事实,结果不可靠。由于道路交通是城市污染的主要来源之一,研究结果主要集中在B-3和B-6交通监测站。与2018-2019年期间相比,在封锁期间,所有监测站的所有空气污染物都大幅下降,从而突出了交通的重要作用及其对布加勒斯特空气质量下降的重大贡献,特别是在二氧化氮污染方面。因此,迫切需要在改善城市空气质量方面做出决策,特别是从道路交通的角度出发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The impact of COVID-19 on air quality in Bucharest
Within this paper the authors are aiming to assess the air quality within Bucharest city, Romania’s capital, during the COVID-19 pandemic. It is well established that, for a quite long period Bucharest was amongst the worst Romanian cities in terms of air quality. Thus, within this paper the investigation of the effects of imposed quarantine and lockdown in terms air pollution is carried out. The levels of the main air pollutants as: particulate matter (PM2.5 and PM10), Nitrogen dioxide (NO2) and Benzene (C6H6) were recorded within the period: Jan. 2020 – Apr. 2022 by using 6 stationary monitoring stations (B-1, B-2, B-3, B-4, B-5 and B-6) belonging to Romanian National Network for Monitoring Air Quality (RNMCA). During the lockdown period (16. Mar. – 14. May. 2020), the measurements indicate significant reductions only for PM2.5, NO2 and C6H6, while for PM10 due to the fact that a sandstorm appeared, the results are unreliable. The results focus on the B-3 and B-6 traffic monitoring stations because road traffic is one of the main sources of pollution in cities. Compared with 2018-2019 period, during the lockdown all the air pollutants from all the measuring stations dramatically dropped highlighting thus the important role of the traffic and its significant contribution to air quality depreciation in Bucharest, especially in terms of NO2 pollution. Therefore the urgent need for decisions to be made in terms of improving the air quality of the city in especially from road traffic perspective arose.
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来源期刊
CiteScore
1.60
自引率
0.00%
发文量
20
审稿时长
12 months
期刊介绍: Journal of Environmental Engineering and Science is an international, peer-reviewed publication providing a forum for the dissemination of environmental research, encouraging interdisciplinary research collaboration to address environmental problems. It addresses all aspects of environmental engineering and applied environmental science, with the exception of noise, radiation and light.
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