Journal ArticleDOI
Quantifying trace gas uptake to tropospheric aerosol: recent advances and remaining challenges
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TLDR
This review article illustrates how detailed experimental studies of gas-particle interactions lead to both a comprehensive understanding of the underlying physical chemistry as well as accurate parameterizations for atmospheric modeling.Abstract:
The interactions of trace gases with tropospheric aerosol can have significant effects on both gas phase and aerosol composition. In turn, this may affect the atmospheric oxidizing capacity, aerosol hygroscopicity and optical properties, and the lifetimes of trace aerosol species. Through the detailed description of specific reaction systems, this review article illustrates how detailed experimental studies of gas-particle interactions lead to both a comprehensive understanding of the underlying physical chemistry as well as accurate parameterizations for atmospheric modeling. The reaction systems studied illustrate the complexity in the field: (i) N2O5 uptake, presented as a benchmark multiphase system, can lead to both NOx loss and halogen activation, (ii) loss of HO2 on aqueous particles is surprisingly poorly studied given its potential importance for HOx loss, (iii) uptake of HNO3 by marine aerosol and heterogeneous oxidation of organic-bearing particles are examples of how gas-particle interactions can lead to substantial alteration of aerosol composition, and (iv) the uptake of glyoxal to ammonium sulfate aerosol leads to highly complex particle-phase chemistry. In addition, for the first time, this article presents the challenges that must be addressed in the design and interpretation of atmospheric gas-to-particle uptake experiments.read more
Citations
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Journal ArticleDOI
Plasma-liquid interactions: A review and roadmap
Peter Bruggeman,Mark J. Kushner,Bruce R. Locke,Jge Gardeniers,William Graham,David B. Graves,Rchm Hofman-Caris,D Marić,Jonathan P. Reid,E Ceriani,D. Fernandez Rivas,John E. Foster,Sean C. Garrick,Yury Gorbanev,Satoshi Hamaguchi,Felipe Iza,Helena Jablonowski,E. Klimova,Juergen F. Kolb,František Krčma,Petr Lukes,Zdenko Machala,Ilya Marinov,Davide Mariotti,S. Mededovic Thagard,Daisuke Minakata,Erik C. Neyts,Joanna Pawłat,Z. Lj. Petrović,R Pflieger,Stephan Reuter,DC Daan Schram,Sandra Schröter,Manabu Shiraiwa,Barbora Tarabová,Pa Tsai,Jrr Verlet,T. von Woedtke,Kevin R. Wilson,Kyuichi Yasui,G. Zvereva +40 more
TL;DR: A review of the state-of-the-art of this multidisciplinary area and identifying the key research challenges is provided in this paper, where the developments in diagnostics, modeling and further extensions of cross section and reaction rate databases are discussed.
Secondary Organic Aerosol Formation from Anthropogenic Air Pollution: Rapid and Higher than Expected
Jose L. Jimenez,Rainer Volkamer,F. M. San Martini,Katja Dzepina,Qi Zhang,Ingrid M. Ulbrich,D. Salcedo,D. R. Worsnop,Luisa T. Molina +8 more
TL;DR: This paper showed that reactive anthropogenic VOCs (AVOCs) produce much larger amounts of SOA than these models predict, even shortly after sunrise, and a significant fraction of the excess SOA is formed from first-generation AVOC oxidation products.
Journal ArticleDOI
Multiphase chemistry at the atmosphere-biosphere interface influencing climate and public health in the anthropocene.
Ulrich Pöschl,Manabu Shiraiwa +1 more
TL;DR: This work addresses air contaminants and their multiphase chemical interactions at the atmosphere−biosphere interface, including human lungs and skin, plant leaves, cryptogamic covers, soil, and aquatic surfaces, and the chemical interactions of reactive oxygen species and reactive nitrogen species, as well as carbonaceous combustion aerosols.
Journal ArticleDOI
Tropospheric aqueous-phase chemistry: kinetics, mechanisms, and its coupling to a changing gas phase.
Hartmut Herrmann,Thomas Schaefer,Andreas Tilgner,Sarah A. Styler,Christian E. Weller,Monique Teich,Tobias Otto +6 more
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A two-pollutant strategy for improving ozone and particulate air quality in China
Ke Li,Ke Li,Daniel J. Jacob,Hong Liao,Jia Zhu,Viral Shah,Lu Shen,Kelvin H. Bates,Qiang Zhang,Shixian Zhai +9 more
TL;DR: In this paper, the authors show observational evidence for this effect with 2013-2018 summer data of hourly ozone and PM2.5 concentrations from 106 sites in the North China Plain.
References
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TL;DR: In this article, the superoxide radical (HO2⇄O−2 +H+, pK=4.8) in aqueous solution has been critically assessed and the rate constants for reactions of O−2 and HO2 with more than 300 organic and inorganic ions, molecules and other transient species have been tabulated.
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Stratospheric ozone depletion: A review of concepts and history
TL;DR: A brief history of the science of ozone depletion and a conceptual framework to explain the key processes involved, with a focus on chemistry is described in this article, and observations of ozone and of chlorine-related trace gases near 40 km provide evidence that gas phase chemistry has indeed currently depleted about 10% of the stratospheric ozone there as predicted, and the vertical and horizontal struc- tures of this depletion are fingerprints for that process.
Book
Chemistry of the natural atmosphere
TL;DR: In this paper, the authors present the bulk composition, structure, and dynamics of the atmosphere and discuss the chemistry of the Troposphere: the Methane Oxidation Cycle, ozone, and sulfur compounds.
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