Assessment of the coronavirus disease 2019 (COVID-19) pandemic imposed lockdown and unlock effects on black carbon aerosol, its source apportionment, and aerosol radiative forcing over an urban city in India [0.03%]
对印度一座城市在新冠（COVID-19）强锁和解锁期间黑碳气溶胶及其来源分配，气溶胶辐射强迫的评估
T A Rajesh,S Ramachandran
T A Rajesh
A nationwide lockdown was imposed in India due to the Coronavirus Disease 2019 (COVID-19) pandemic which significantly reduced the anthropogenic emissions. We examined the characteristics of equivalent black carbon (eBC) mass concentration ...
Radiative effects of reduced aerosol emissions during the COVID-19 pandemic and the future recovery [0.03%]
COVID-19大流行期间和未来恢复过程中减少气溶胶排放的辐射效应
Stephanie Fiedler,Klaus Wyser,Joeri Rogelj et al.
Stephanie Fiedler et al.
The pandemic in 2020 caused an abrupt change in the emission of anthropogenic aerosols and their precursors. We estimate the associated change in the aerosol radiative forcing at the top of the atmosphere and the surface. To that end, we pe...
Air quality changes in cities during the COVID-19 lockdown: A critical review [0.03%]
新冠肺炎疫情期间城市空气质量和浓度变化：批判性综述研究
Max G Adam,Phuong T M Tran,Rajasekhar Balasubramanian
Max G Adam
In response to the rapid spread of coronavirus disease-2019 (COVID-19) within and across countries and the need to protect public health, governments worldwide introduced unprecedented measures such as restricted road and air travel and red...
Reduction of surface radiative forcing observed from remote sensing data during global COVID-19 lockdown [0.03%]
利用遥感数据观测到的全球COVID-19封锁期间的表面辐射强迫减弱现象
Usman Mazhar,Shuanggen Jin,Muhammad Bilal et al.
Usman Mazhar et al.
The calamity of the COVID-19 pandemic during the early half of 2020 not only caused a huge physical and economic loss but altered the social behavior of the whole world. The social and economic stagnation imposed in many countries and serve...
COVID-19 pandemic in Wuhan: Ambient air quality and the relationships between criteria air pollutants and meteorological variables before, during, and after lockdown [0.03%]
武汉新型冠状病毒肺炎疫情暴发期间的环境空气质量和三级污染物与气象条件的关系：封城前后对比分析
Ishaq Dimeji Sulaymon,Yuanxun Zhang,Philip K Hopke et al.
Ishaq Dimeji Sulaymon et al.
As a result of the lockdown (LD) control measures enacted to curtail the COVID-19 pandemic in Wuhan, almost all non-essential human activities were halted beginning on January 23, 2020 when the total lockdown was implemented. In this study,...
Changes of air quality and its associated health and economic burden in 31 provincial capital cities in China during COVID-19 pandemic [0.03%]
COVID-19疫情期间中国31个省会城市空气质量及其相关的健康和经济负担的变化
Dongyang Nie,Fuzhen Shen,Junfeng Wang et al.
Dongyang Nie et al.
With outbreak of the novel coronavirus disease (COVID-19), immediate prevention and control actions were imposed in China. Here, we conducted a timely investigation on the changes of air quality, associated health burden and economic loss d...
Advances in sunphotometer-measured aerosol optical properties and related topics in China: Impetus and perspectives [0.03%]
中国太阳光度计测量的气溶胶光学性质及相关问题的研究进展：动力与展望
Xiangao Xia,Huizheng Che,Hongrong Shi et al.
Xiangao Xia et al.
Aerosol is a critical trace component of the atmosphere. Many processes in the Earth's climate system are intimately related to aerosols via their direct and indirect radiative effects. Aerosol effects are not limited to these climatic aspe...
Vertical Profiles of Droplet Size Distributions Derived from Cloud-Side Observations by the Research Scanning Polarimeter: Tests on Simulated Data [0.03%]
基于研究型偏振扫描仪的云顶观测反演液态云滴谱廓线：模拟数据试验
Mikhail D Alexandrov,Daniel J Miller,Chamara Rajapakshe et al.
Mikhail D Alexandrov et al.
The Research Scanning Polarimeter (RSP) is an airborne along-track scanner measuring the polarized and total reflectances with high angular resolution. It allows for accurate characterization of liquid water cloud droplet sizes using the ra...
J E Wagner,F Angelini,M Blumthaler et al.
J E Wagner et al.
During three field campaigns spectral actinic flux was measured from 290-500 nm under clear sky conditions in Alpine terrain and the associated O3- and NO2-photolysis frequencies were calculated and the measurement products were then compar...
A Kreuter,C Emde,M Blumthaler
A Kreuter
All-sky distributions of the polarized radiance are measured using an automated fish-eye camera system with a rotating polarizer. For a large range of aerosol and surface albedo situations, the influence on the degree of polarization and sk...