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Atmospheric Chemistry and Physics: From Air Pollution to Climate Change
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In this paper, the authors present a model for the chemistry of the Troposphere of the atmosphere and describe the properties of the Atmospheric Aqueous phase of single aerosol particles.Abstract:
1 The Atmosphere. 2 Atmospheric Trace Constituents. 3 Chemical Kinetics. 4 Atmospheric Radiation and Photochemistry. 5 Chemistry of the Stratosphere. 6 Chemistry of the Troposphere. 7 Chemistry of the Atmospheric Aqueous Phase. 8 Properties of the Atmospheric Aerosol. 9 Dynamics of Single Aerosol Particles. 10 Thermodynamics of Aerosols. 11 Nucleation. 12 Mass Transfer Aspects of Atmospheric Chemistry. 13 Dynamics of Aerosol Populations. 14 Organic Atmospheric Aerosols. 15 Interaction of Aerosols with Radiation. 16 Meteorology of the Local Scale. 17 Cloud Physics. 18 Atmospheric Diffusion. 19 Dry Deposition. 20 Wet Deposition. 21 General Circulation of the Atmosphere. 22 Global Cycles: Sulfur and Carbon. 23 Climate and Chemical Composition of the Atmosphere. 24 Aerosols and Climate. 25 Atmospheric Chemical Transport Models. 26 Statistical Models.read more
Citations
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Long-term source apportionment of ambient fine particulate matter (PM2.5) in the Los Angeles Basin: a focus on emissions reduction from vehicular sources.
TL;DR: Reductions in the median values of vehicular emissions in 2008-2012 statistically significantly decreased by 24 and 21% in LA and Rubidoux, respectively, despite an overall increase or similarity in the Median values of the daily flow of vehicles after 2007, at the sites.
Journal ArticleDOI
Intercomparison study of six HTDMAs: results and recommendations
Jonathan Duplissy,Martin Gysel,S. Sjogren,N. K. Meyer,N. K. Meyer,Nicholas Good,L. Kammermann,V. Michaud,R. Weigel,S. Martins dos Santos,Carsten Gruening,P. Villani,Paolo Laj,Karine Sellegri,A. Metzger,Gordon McFiggans,G. Wehrle,R. Richter,J. Dommen,Zoran Ristovski,U. Baltensperger,Ernest Weingartner +21 more
TL;DR: In this paper, an intercomparison of six different hygroscopicity tandem differential mobility analysers (HTDMAs) has been conducted in laboratory experiments and field campaigns to measure the water uptake of aerosol particles.
Journal ArticleDOI
A large source of cloud condensation nuclei from new particle formation in the tropics.
Christina Williamson,Christina Williamson,A. Kupc,A. Kupc,Duncan Axisa,Kelsey R. Bilsback,Thaopaul V. Bui,Pedro Campuzano-Jost,Pedro Campuzano-Jost,Maximilian Dollner,Karl D. Froyd,Karl D. Froyd,Anna L. Hodshire,Jose L. Jimenez,Jose L. Jimenez,John K. Kodros,Gan Luo,Daniel M. Murphy,Benjamin A. Nault,Benjamin A. Nault,Eric A. Ray,Eric A. Ray,Bernadett Weinzierl,James C. Wilson,Fangqun Yu,Pengfei Yu,Pengfei Yu,Pengfei Yu,Jeffrey R. Pierce,Charles A. Brock +29 more
TL;DR: It is found that NPF persists at all longitudes as a global-scale band in the tropical upper troposphere, covering about 40 per cent of Earth’s surface, and is a globally important source of cloud condensation nuclei in the lower tropospheric, affecting cloud properties.
Journal ArticleDOI
Observations of the vertical distributions of summertime atmospheric pollutants and the corresponding ozone production in Shanghai, China
Chengzhi Xing,Cheng Liu,Shanshan Wang,Kalok Chan,Yang Gao,Xin Huang,Wenjing Su,Chengxin Zhang,Yunsheng Dong,Guangqiang Fan,Tianshu Zhang,Zhenyi Chen,Qihou Hu,Hang Su,Hang Su,Zhouqing Xie,Jianguo Liu +16 more
TL;DR: In this paper, the vertical profiles of aerosol extinction coefficient, nitrogen dioxide (NO2) and formaldehyde (HCHO) concentrations were retrieved from ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) and lidar measurements were performed in Shanghai, China, during May 2016 to investigate the vertical distribution of summertime atmospheric pollutants.
Journal ArticleDOI
Urban and rural aerosol characterization of summer smog events during the PIPAPO field campaign in Milan, Italy
Urs Baltensperger,N. Streit,Ernest Weingartner,S. Nyeki,André S. H. Prévôt,R. Van Dingenen,Aki Virkkula,J. P. Putaud,A. Even,H.M. ten Brink,A. Blatter,Albrecht Neftel,Heinz W. Gäggeler,Heinz W. Gäggeler +13 more
TL;DR: A comprehensive range of aerosol parameters was measured at an urban and a rural site in the Milan, Italy metropolitan region during summer smog events in summer 1998 as mentioned in this paper, and small particles (d < 40 nm) are thought to consist mainly of hydrophobic particulate organic matter, rather than soot or H2SO4 aerosols.
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