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Academic Journal

Effect of COVID19 lockdown on Air Quality and Solid Waste generation: A Case study in a Metropolitan City, Mumbai, India.

Subjects: *SOLID waste; *AIR pollutants; *STAY-at-home ordersMUMBAI (India)

  • Source: International Archives of Integrated Medicine. Oct2020, Vol. 7 Issue 10, p13-20. 8p.

  • Abstract: Background: There is limited information describing the change on Quality of Air and Solid Waste Generation if there is limited and ... Copyright of International Archives of Integrated Medicine is the property of International Archives of Integrated Medicine and its content may not be copied or ...

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Academic Journal

Significant concurrent decrease in PM2.5 and NO2 concentrations in China during COVID-19 epidemic.

Subjects: *COVID-19; *AIR pollutants; *SPATIAL variationWUHAN (China); HUBEI Sheng (China); CHINA

  • Source: Journal of Environmental Sciences (Elsevier). Jan2021, Vol. 99, p346-353. 8p.

  • Abstract: The strict control measures and social lockdowns initiated to combat COVID-19 epidemic have had a notable impact on ... Copyright of Journal of Environmental Sciences (Elsevier) is the property of Elsevier B.V. and its content may not be copied or emailed to ...

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Academic Journal

Assessing the Immediate Effect of Covid-19 Lockdown on Air Quality: A Case Study of Delhi, India.

Subjects: *AIR quality; *AIR pollutants; *COVID-19DELHI (India)

  • Source: Journal of Environmental Geography. Nov2020, Vol. 13 Issue 3/4, p27-33. 7p.

  • Abstract: In India, a nationwide lockdown due to COVID-19 has been implemented on 25 March 2020. The lockdown restrictions on more than 1.3 billion people ... Copyright of Journal of Environmental Geography is the property of Sciendo and its content may not be copied or emailed to multiple sites or ...

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Academic Journal

Effects of the COVID-19 lockdown on criteria air pollutants in the city of Daegu, the epicenter of South Korea's outbreak.

Subjects: STAY-at-home orders; COVID-19; WIND speedTAEGU (Korea); SOUTH Korea

  • Source: Environmental Science & Pollution Research; 2020, Vol. 27 Issue 36, p45983-45991, 9p

  • Abstract: The outbreak of COVID-19 in Daegu, South Korea, early in 2020 has led this metropolitan city to become one of the major ... Copyright of Environmental Science & Pollution Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites ...

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Academic Journal

UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3.

Subjects: COVID-19; STAY-at-home orders; COVID-19 pandemicGREAT Britain; LONDON (England)

  • Source: Atmospheric Chemistry & Physics; 2020, Vol. 20 Issue 24, p15743-15759, 17p

  • Abstract: We report changes in surface nitrogen dioxide (NO2) across the UK during the COVID-19 pandemic when large and rapid emission reductions ... Copyright of Atmospheric Chemistry & Physics is the property of Copernicus Gesellschaft mbH and its content may not be copied or emailed to multiple sites ...

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Academic Journal

COVID-19疫情不同阶段管控措施对大气污染物浓度的影响研究.

Subjects: AIR pollutants; CONTROL (Psychology); TRAFFIC engineeringDALIAN (Liaoning Sheng, China)

  • Source: Journal of Central China Normal University; dec2020, Vol. 54 Issue 6, p1051-1058, 8p

  • Abstract: In 2020, as the COVID-19 swept the world, and strict control measures have been taken in the several epidemic areas of China ... 2020年COVID-19疫情席卷全球,在我国疫情的集中爆发区和局部散发区均采取了严格的管控措施.论文采用2015年1月—2020年9月我国国控环境监测站点6种大气污染物(CO、SO2、NO2、O3、PM10、PM2.5)月均浓度值结果,分析了疫情管控措施对集中爆发区和后续局部散发区内大气污染物浓度的影响.结果显示在实施严格管控的疫情集中爆发期,湖北省内6种大气污染物中NO2浓度的减小最为明显,浓度变化与省内采取管控措施及复产复工的时间一致性较好.在2020年2月—4月的管控期间内,NO2各月均浓度值相较于前5年对应月份平均浓度均有显著减小,复工复产后逐渐恢复.SO2、PM10、... Copyright of Journal of Central China Normal University is the property of Huazhong Normal University and its content may not be copied or emailed ...

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Academic Journal

利用卫星遥感NO2监测结果分析COVID-19疫情对我国社会经济活动的短期影响.

Subjects: COVID-19; AIR pollutants; CHINESE New Year

  • Source: Journal of Central China Normal University; dec2020, Vol. 54 Issue 6, p1045-1050, 6p

  • Abstract: As an air pollutant highly correlated to urban transport and heavy industry, NO2 could directly reflect the volatility of ... NO2作为一种与市内交通及重化工业产能密切相关的大气污染物,其浓度的变化能直接反映社会经济活动的强弱.利用OMI卫星反演的对流层NO2柱浓度日产品合成的周均值结果,构建了2019年及2020年春节期间的标准化社会经济活动指数的周尺度变化序列.结果显示正常年份春节假期也会对社会经济活动有所抑制,但COVID-19疫情导致节后我国的社会经济活动减弱期延长了2~3周,而社会经济活动强度的最低值降低了0.10.虽然社会经济活动在短期内有明显抑制作用,但随着春节后第三周开始各地复工复产逐步展开,社会经济活动强度稳步上升,节后第7周已达到节前最高水平的60.91%. [ABSTRACT FROM AUTHOR]Copyright of Journal of Central China Normal University is the property of Huazhong Normal University and its content may not be copied or emailed ...

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Academic Journal

Changes in China's anthropogenic emissions during the COVID-19 pandemic.

Subjects: COVID-19 pandemic; PANDEMICS; STAY-at-home ordersCHINA

  • Source: Earth System Science Data Discussions; 11/28/2020, p1-20, 20p

  • Abstract: The COVID-19 pandemic lockdowns led to a sharp drop in socio-economic activities in China in 2020, including reductions in fossil fuel use, ... Copyright of Earth System Science Data Discussions is the property of Copernicus Gesellschaft mbH and its content may not be copied or emailed to ...

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Academic Journal

Abnormally Shallow Boundary Layer Associated With Severe Air Pollution During the COVID‐19 Lockdown in China.

Subjects: AIR pollution; STAY-at-home orders; BOUNDARY layer (Aerodynamics)CHINA; BEIJING (China)

  • Source: Geophysical Research Letters; 10/28/2020, Vol. 47 Issue 20, p1-8, 8p

  • Abstract: After the 2020 Lunar New Year, the Chinese government implemented a strict nationwide lockdown to inhibit the spread of the Coronavirus Disease 2019 (... Copyright of Geophysical Research Letters is the property of John Wiley & Sons, Inc. and its content may not be copied or emailed to multiple ...

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Academic Journal

Markedly Enhanced Levels of Peroxyacetyl Nitrate (PAN) During COVID‐19 in Beijing.

Subjects: PEROXYACETYL nitrate; COVID-19; EMISSIONS (Air pollution)BEIJING (China); CHINA

  • Source: Geophysical Research Letters; 10/16/2020, Vol. 47 Issue 19, p1-10, 10p

  • Abstract: High levels of secondary air pollutants during COVID‐19 in China have aroused great concern. In Beijing, measured ... Copyright of Geophysical Research Letters is the property of John Wiley & Sons, Inc. and its content may not be copied or emailed to multiple ...

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