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    Satellite-Based Quantification of Contrail Radiative Forcing over Europe: A Two-Week Analysis of Aviation-Induced Climate Effects

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    Ortiz(2024a).pdf (2.717Mb)
    Authors
    Ortiz, I.
    Dimitropoulou, E.
    de Buyl, P.
    Clerbaux, N.
    García-Heras, J.
    Jafarimoghaddam, A.
    Brenot, H.
    Van Gent, J.
    Sievers, K.
    Otero, E.
    Loganathan, P.
    Soler, M.
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    Discipline
    Earth and related Environmental sciences
    Audience
    Scientific
    Date
    2024
    Metadata
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    Description
    Aviation's non-CO2 effects, especially the impact of aviation-induced contrails, drive atmospheric changes and can influence climate dynamics. Although contrails are believed to contribute to global warming through their net warming effect, uncertainties persist due to the challenges in accurately measuring their radiative impacts. This study aims to address this knowledge gap by investigating the relationship between aviation-induced contrails, as observed in Meteosat Second Generation (MSG) satellite imagery, and their impact on radiative forcing (RF) over a two-week study. Results show that while daytime contrails generally have a cooling effect, the higher number of nighttime contrails results in a net warming effect over the entire day. Net RF values for detected contrails range approximately from -8 TW to 2.5 TW during the day and from 0 to 6 TW at night. Our findings also show a 41.03% increase in contrail coverage from January 24-30, 2023, to the same week in 2024, accompanied by a 128.7% rise in contrail radiative forcing (CRF), indicating greater warming from the added contrails. These findings highlight the necessity of considering temporal factors, such as the timing and duration of contrail formation, when assessing their overall warming impact. They also indicate a potential increase in contrail-induced warming from 2023 to 2024, attributable to the rise in contrail coverage. Further investigation into these trends is crucial for the development of effective mitigation strategies.
    Citation
    Ortiz, I.; Dimitropoulou, E.; de Buyl, P.; Clerbaux, N.; García-Heras, J.; Jafarimoghaddam, A.; Brenot, H.; Van Gent, J.; Sievers, K.; Otero, E.; Loganathan, P.; Soler, M. (2024). Satellite-Based Quantification of Contrail Radiative Forcing over Europe: A Two-Week Analysis of Aviation-Induced Climate Effects. , SESAR Innovation Days 2024, 12-15 November 2024, Rome, Italy,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/13558
    url:
    Type
    Conference
    Peer-Review
    No
    Language
    eng
    Links
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