Recent advances in understanding secondary organic aerosol: Implications for global climate forcing

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  • Manish Shrivastava
    Pacific Northwest National Laboratory Richland Washington USA
  • Christopher D. Cappa
    Department of Civil and Environmental Engineering University of California Davis California USA
  • Jiwen Fan
    Pacific Northwest National Laboratory Richland Washington USA
  • Allen H. Goldstein
    Department of Environmental Science, Policy and Management and Department of Civil and Environmental Engineering University of California Berkeley California USA
  • Alex B. Guenther
    Department of Earth System Science University of California Irvine California USA
  • Jose L. Jimenez
    Cooperative Institute for Research in Environmental Sciences and Department of Chemistry and Biochemistry University of Colorado Boulder Boulder Colorado USA
  • Chongai Kuang
    Brookhaven National Laboratory Upton New York USA
  • Alexander Laskin
    Pacific Northwest National Laboratory Richland Washington USA
  • Scot T. Martin
    School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences Harvard University Cambridge Massachusetts USA
  • Nga Lee Ng
    School of Chemical and Biomolecular Engineering and School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta Georgia USA
  • Tuukka Petaja
    Department of Physics University of Helsinki Helsinki Finland
  • Jeffrey R. Pierce
    Department of Atmospheric Science Colorado State University Fort Collins Colorado USA
  • Philip J. Rasch
    Pacific Northwest National Laboratory Richland Washington USA
  • Pontus Roldin
    Department of Physics Lund University Lund Sweden
  • John H. Seinfeld
    Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena California USA
  • John Shilling
    Pacific Northwest National Laboratory Richland Washington USA
  • James N. Smith
    Department of Earth System Science University of California Irvine California USA
  • Joel A. Thornton
    Department of Atmospheric Sciences University of Washington Seattle Washington USA
  • Rainer Volkamer
    Cooperative Institute for Research in Environmental Sciences and Department of Chemistry and Biochemistry University of Colorado Boulder Boulder Colorado USA
  • Jian Wang
    Brookhaven National Laboratory Upton New York USA
  • Douglas R. Worsnop
    Aerodyne Research, Inc. Billerica Massachusetts USA
  • Rahul A. Zaveri
    Pacific Northwest National Laboratory Richland Washington USA
  • Alla Zelenyuk
    Pacific Northwest National Laboratory Richland Washington USA
  • Qi Zhang
    Department of Environmental Toxicology University of California Davis California USA

書誌事項

公開日
2017-06
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#am
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2016rg000540
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>Anthropogenic emissions and land use changes have modified atmospheric aerosol concentrations and size distributions over time. Understanding preindustrial conditions and changes in organic aerosol due to anthropogenic activities is important because these features (1) influence estimates of aerosol radiative forcing and (2) can confound estimates of the historical response of climate to increases in greenhouse gases. Secondary organic aerosol (SOA), formed in the atmosphere by oxidation of organic gases, represents a major fraction of global submicron‐sized atmospheric organic aerosol. Over the past decade, significant advances in understanding SOA properties and formation mechanisms have occurred through measurements, yet current climate models typically do not comprehensively include all important processes. This review summarizes some of the important developments during the past decade in understanding SOA formation. We highlight the importance of some processes that influence the growth of SOA particles to sizes relevant for clouds and radiative forcing, including formation of extremely low volatility organics in the gas phase, acid‐catalyzed multiphase chemistry of isoprene epoxydiols, particle‐phase oligomerization, and physical properties such as volatility and viscosity. Several SOA processes highlighted in this review are complex and interdependent and have nonlinear effects on the properties, formation, and evolution of SOA. Current global models neglect this complexity and nonlinearity and thus are less likely to accurately predict the climate forcing of SOA and project future climate sensitivity to greenhouse gases. Efforts are also needed to rank the most influential processes and nonlinear process‐related interactions, so that these processes can be accurately represented in atmospheric chemistry‐climate models.</jats:p>

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