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A biogenic secondary organic aerosol source of cirrus ice nucleating particles

Author

Listed:
  • Martin J. Wolf

    (Massachusetts Institute of Technology)

  • Yue Zhang

    (University of North Carolina at Chapel Hill
    Aerodyne Research Incorporated, Center for Aerosol and Cloud Chemistry
    Boston College
    Texas A&M University)

  • Maria A. Zawadowicz

    (Massachusetts Institute of Technology
    Pacific Northwest National Laboratory)

  • Megan Goodell

    (Massachusetts Institute of Technology)

  • Karl Froyd

    (NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division
    University of Colorado)

  • Evelyn Freney

    (Université Clermont Auvergne, CNRS, Laboratoire de Météorologie Physique (LaMP))

  • Karine Sellegri

    (Université Clermont Auvergne, CNRS, Laboratoire de Météorologie Physique (LaMP))

  • Michael Rösch

    (Massachusetts Institute of Technology
    Institute for Atmospheric and Climate Science, Eidgenössische Technische Hochschule Zurich)

  • Tianqu Cui

    (University of North Carolina at Chapel Hill
    Paul Scherrer Institute, Laboratory of Atmospheric Chemistry)

  • Margaux Winter

    (University of North Carolina at Chapel Hill
    Harvard University)

  • Larissa Lacher

    (Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research (IMK-AAF))

  • Duncan Axisa

    (Droplet Measurement Technologies)

  • Paul J. DeMott

    (Colorado State University)

  • Ezra J. T. Levin

    (Colorado State University
    Handix Scientific)

  • Ellen Gute

    (University of Toronto)

  • Jonathan Abbatt

    (University of Toronto)

  • Abigail Koss

    (Massachusetts Institute of Technology
    Tofwerk USA)

  • Jesse H. Kroll

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Jason D. Surratt

    (University of North Carolina at Chapel Hill
    University of North Carolina at Chapel Hill)

  • Daniel J. Cziczo

    (University of North Carolina at Chapel Hill
    Massachusetts Institute of Technology
    Purdue University)

Abstract

Atmospheric ice nucleating particles (INPs) influence global climate by altering cloud formation, lifetime, and precipitation efficiency. The role of secondary organic aerosol (SOA) material as a source of INPs in the ambient atmosphere has not been well defined. Here, we demonstrate the potential for biogenic SOA to activate as depositional INPs in the upper troposphere by combining field measurements with laboratory experiments. Ambient INPs were measured in a remote mountaintop location at –46 °C and an ice supersaturation of 30% with concentrations ranging from 0.1 to 70 L–1. Concentrations of depositional INPs were positively correlated with the mass fractions and loadings of isoprene-derived secondary organic aerosols. Compositional analysis of ice residuals showed that ambient particles with isoprene-derived SOA material can act as depositional ice nuclei. Laboratory experiments further demonstrated the ability of isoprene-derived SOA to nucleate ice under a range of atmospheric conditions. We further show that ambient concentrations of isoprene-derived SOA can be competitive with other INP sources. This demonstrates that isoprene and potentially other biogenically-derived SOA materials could influence cirrus formation and properties.

Suggested Citation

  • Martin J. Wolf & Yue Zhang & Maria A. Zawadowicz & Megan Goodell & Karl Froyd & Evelyn Freney & Karine Sellegri & Michael Rösch & Tianqu Cui & Margaux Winter & Larissa Lacher & Duncan Axisa & Paul J. , 2020. "A biogenic secondary organic aerosol source of cirrus ice nucleating particles," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18424-6
    DOI: 10.1038/s41467-020-18424-6
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