Cloud scavenging of anthropogenic refractory particles at a mountain site in North China

Aerosol–cloud interactions remain a major source of uncertainty in climate forcing estimates. Few studies have been conducted to characterize the aerosol–cloud interactions in heavily polluted conditions worldwide. In this study, cloud residual and cloud interstitial particles were collected during...

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Bibliographic Details
Published in:Atmospheric chemistry and physics 2018-10, Vol.18 (19), p.14681-14693
Main Authors: Liu, Lei, Zhang, Jian, Xu, Liang, Yuan, Qi, Huang, Dao, Chen, Jianmin, Shi, Zongbo, Sun, Yele, Fu, Pingqing, Wang, Zifa, Zhang, Daizhou, Li, Weijun
Format: Article
Language:English
Subjects:
Aerosol-cloud interactions
Aerosols
Air pollution
Anthropogenic factors
Black carbon
Chemical composition
Chemical reactions
Cloud droplets
Cloud-climate relationships
Clouds
Clouds (Meteorology)
Distribution
Droplets
Environmental aspects
Fly ash
Human influences
Interactions
Metals
Morphology
Observations
Organic chemistry
Particulate matter
Pollution levels
Radiative forcing
Scavenging
Sea level
Soot
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Summary:Aerosol–cloud interactions remain a major source of uncertainty in climate forcing estimates. Few studies have been conducted to characterize the aerosol–cloud interactions in heavily polluted conditions worldwide. In this study, cloud residual and cloud interstitial particles were collected during cloud events under different pollution levels from 22 July to 1 August 2014 at Mt. Tai (1532 m above sea level) located in the North China Plain (NCP). A transmission electron microscope was used to investigate the morphology, size, and chemical composition of individual cloud residual and cloud interstitial particles, and to study mixing properties of different aerosol components in individual particles. Our results show that S-rich particles were predominant (78 %) during clean periods (PM2.5
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-18-14681-2018