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Publication . Conference object . Under curation

Fast Measures to Reduce the Climate Impact from Aviation – Contrail Avoidance and New Fuels

Voigt, Christiane;
Open Access
English
Publisher: Zenodo
Abstract
Today, contrails contribute the largest share to the climate impact from aviation, even surpassing the warming by its carbon dioxide emissions. While CO2 has atmospheric lifetimes of about a century, contrails live only for few hours and thus provide a fast option to reduce the climate impact from aviation. The current status of knowledge on aircraft emissions and contrails in light of results from recent aircraft campaigns and research activities is presented. Operational and technological measures to reduce the climate impact from aviation are discussed with a focus on contrail avoidance. A contrail avoidance test experiment has been performed during the CIRRUS-HL aircraft campaign in summer 2021. Results from the CIRRUS-HL include the assessment of the quality of weather and contrail forecast. The potential for flight routing for contrail avoidance or reducing contrail warming by a shift to daytime flight routes is shown. The impact of technological measures, i.e. low aromatic fuels and new engines on emissions and climate is presented and an outlook on future fuels is given.
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Conference object .
Providers: ZENODO
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