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    Satellite-Based Identification of Large Anthropogenic NMVOC Emission Sources

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    Franco(2024b).pdf (13.67Mb)
    Authors
    Franco, B.
    Clarisse, L.
    Van Damme, M.
    Hadji-Lazaro, J.
    Clerbaux, C.
    Coheur, P.
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    Discipline
    Earth and related Environmental sciences
    Subject
    point sources
    NMVOCs
    infrared remote sensing
    IASI satellite
    anthropogenic
    Audience
    Scientific
    Date
    2024
    Metadata
    Show full item record
    Description
    Nonmethane volatile organic compounds (NMVOCs) emitted in excess from anthropogenic sources significantly contribute to the formation of harmful pollutants, thereby degrading air quality. While satellite measurements have become valuable tools for tracking anthropogenic emitters, they have primarily targeted inorganic species and methane (CH4). This study demonstrates the potential of infrared atmospheric sounding interferometers (IASI) to detect anthropogenic NMVOC point sources on a global scale. Using an advanced oversampling technique, we enhance the spatial resolution of IASI measurements to identify emitters of three major NMVOCs: methanol (Ch3OH), acetylene (C2H2), and propylene (C3H6). These point sources are primarily associated with chemical and petrochemical facilities, coal-burning activities, metallurgy, pharmaceutical manufacturing sites, and megacities. We also highlight the value of combining IASI measurements of NMVOCs with those of the inorganic species, such as sulfur dioxide (SO2) and ammonia (NH3), to aid in the identification of anthropogenic point sources.
    Citation
    Franco, B.; Clarisse, L.; Van Damme, M.; Hadji-Lazaro, J.; Clerbaux, C.; Coheur, P. (2024). Satellite-Based Identification of Large Anthropogenic NMVOC Emission Sources. , Journal of Geophysical Research: Atmospheres, Vol. 129, Issue 22, e2024JD042047, DOI: 10.1029/2024JD042047.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/13526
    doi: http://dx.doi.org/10.1029/2024JD042047
    url:
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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