Impact of coronavirus-driven reduction in aerosols on precipitation in the western United States [0.03%]
新冠疫情导致气溶胶减少对美国西部降水的影响
Zhiqi Yang,Wei Zhang,Gabriele Villarini
Zhiqi Yang
Among the many impacts of COVID-19, the pandemic led to improved air quality conditions in the countries under quarantine due to the shutdown of industries, drastically reduced traffic, and lockdowns. Meanwhile, the western United States, p...
Boundary layer versus free tropospheric submicron particle formation: A case study from NASA DC-8 observations in the Asian continental outflow during the KORUS-AQ campaign [0.03%]
边界层与自由大气纳米粒子生成：来自韩美联合空气质量研究(KORUS-AQ)行动NASA DC-8亚洲大陆外流观测的一个案例分析
Do-Hyeon Park,Chaeyoon Cho,Hyeonmin Kim et al.
Do-Hyeon Park et al.
In this study, we contrasted major secondary inorganic species and processes responsible for submicron particle formation (SPF) events in the boundary layer (BL) and free troposphere (FT) over the Korean Peninsula during Korea-United States...
Effects of COVID-19 pandemic on the air quality of three megacities in India [0.03%]
COVID-19大流行对印度三个特大城市空气质量的影响
Jayatra Mandal,Sourav Samanta,Abhra Chanda et al.
Jayatra Mandal et al.
COVID-19 pandemic compelled many countries in the world to go for a nationwide lockdown to prevent the spread of the coronavirus. India started the lockdown on 24 March 2020. We analyzed the air quality of three megacities of India, namely ...
Comparing different approaches for assessing the impact of COVID-19 lockdown on urban air quality in Reading, UK [0.03%]
比较用于评估英国雷丁市COVID-19封锁对城市空气质量影响的不同方法
Said Munir,Zhiwen Luo,Tim Dixon
Said Munir
Many studies investigated the impact of COVID-19 lockdown on urban air quality, but their adopted approaches have varied and there is no consensus as to which approach should be used. In this paper we compare three of the main approaches an...
The impact of improved air-quality due to COVID-19 lockdown on surface meteorological parameters and planetary boundary layer over Gadanki, a tropical rural site in India [0.03%]
由于COVID-19封锁改善空气质量对印度热带农村站点Gadanki的地表气象参数和行星边界层的影响
S Satheesh Kumar,T Narayana Rao
S Satheesh Kumar
The nation-wide lockdowns imposed in India during March--May 2020 (in four phases) to curb the spread of the novel Corona virus, greatly enhanced the near-surface air-quality due to lowering of industrial, transport and human activities. Th...
Coupled multifractal methods to reveal changes in nitrogen dioxide and tropospheric ozone concentrations during the COVID-19 lockdown [0.03%]
揭示COVID-19封锁期间二氧化氮和对流层臭氧浓度变化的耦合多重分形方法
Pablo Pavón-Domínguez,Thomas Plocoste
Pablo Pavón-Domínguez
Due to COVID-19 pandemic, the lockdown effects on air pollution level are undeniable. Several studies around the world have detected an uneven behaviour in tropospheric ozone (O 3) concentrations. In this work, Seville (Spain) is used as ex...
Influence of background dynamics on the vertical distribution of trace gases (CO/WV/O3) in the UTLS region during COVID-19 lockdown over India [0.03%]
印度在COVID-19封锁期间背景动态对平流层下部/对流层上部区域痕量气体(CO/WV/O3)垂直分布的影响
A Hemanth Kumar,M Venkat Ratnam,Chaithanya D Jain
A Hemanth Kumar
The COVID-19 pandemic lockdown has led to the significant reductions in the pollutant levels across the globe. Several studies have been carried out for examining and quantifying the improvement in the air quality due to the reduction of th...
Spatial characteristics of change trends of air pollutants in Chinese urban areas during 2016-2020: The impact of air pollution controls and the COVID-19 pandemic [0.03%]
2016-2020年中国城市地区空气污染物变化趋势的空间特征：空气质量管控和COVID-19疫情的影响
Chanchan Gao,Fengying Zhang,Dekun Fang et al.
Chanchan Gao et al.
Air pollution is a threat to public health in China, and several actions and plans have been implemented by Chinese authorities in recent years to mitigate it. This study examined the spatial distribution of changes in urban air pollutants ...
Changes in the ozone chemical regime over the contiguous United States inferred by the inversion of NOx and VOC emissions using satellite observation [0.03%]
基于卫星观测反演NOx和VOC排放推断出美国本土地区臭氧化学特征变化
Jia Jung,Yunsoo Choi,Seyedali Mousavinezhad et al.
Jia Jung et al.
To investigate changes in the ozone (O3) chemical production regime over the contiguous United States (CONUS) with accurate knowledge of concentrations of its precursors, we applied an inverse modeling technique with Ozone Monitoring Instru...
Jia Xing,Shuxin Zheng,Siwei Li et al.
Jia Xing et al.
Fast and accurate prediction of ambient ozone (O3) formed from atmospheric photochemical processes is crucial for designing effective O3 pollution control strategies in the context of climate change. The chemical transport model (CTM) is th...