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Advancing the Science for Aviation and ClimAte

Deliverables

Report on statistics of instantaneous radiative forcing and meteorological conditions where the strongest contrails appear

This deliverable from Task 21 provides statistics of the instantaneous radiative forcing iRF of persistent contrails that are found in the IAGOS and JULIA data bases Analyses of the meteorological conditions giving rise to particularly large positive iRF will be provided as well

Report on the observational climatology of cloud-active aviation aerosol, including ice nucleating abilities of contrail processed INPs

D 1.1 is an outcome of Task 1.1. It describes the aviation aerosol climatology extracted from IAGOS data and first analyses based on these data. It describes in a second part the results from the laboratory measurements on real aircraft soot.

Report on interaction between individual effects of aviation emissions

This deliverable is an outcome from Task 24 It describes the results of sensitivity studies with a chemistryclimate model The model is used to find out whether there are interactions and tradeoffs between different aviation effects that is whether improvements for climate in one aspect can incorporate deteriorations for climate in other aspects

Strategic roadmap and agenda available for scientific assessments, i.e., IPCC, WMO

This deliverable, produced as a service of task 5.1, is to help organisation of the dissemination of scientific results of ACACIA into international assessments (e.g. IPCC). Deadlines for the submission of results and texts will be collected and announced within the consortium.

Report on methodological gaps in addressing the climate effects of aviation by field campaigns

This is a deliverable from Task 3.1. It will collect results from a literature study and provide lessons learned. It is the groundwork for setting up concepts for new measurement campaigns.

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Publications

Impact of present and future aircraft emissions on atmospheric composition.

Author(s): Terrenoire, E. and Hauglustaine,D.
Published in: 3rd ECATS Conference, Making aviation environmentally sustainable, 2020, Page(s) 48-51, ISBN 978-1-910029-58-9
Publisher: ECATS Int Association Business Organisation, Brussels, BE

The Contribution of Aviation NOx Emissions to Climate Change

Author(s): Grewe, V., Matthes, S., and Dahlmann, K. 2020: .
Published in: 3rd ECATS Conference, Making aviation environmentally sustainable., 2020, Page(s) 56
Publisher: ECATS Int Association Business Organisation, Brussels, BE

How well can persistent contrails be predicted?

Author(s): Gierens, K., S. Matthes, S. Rohs
Published in: 3rd ECATS Conference, Making aviation environmentally sustainable., 2020, Page(s) 174-178, ISBN 978-1-910029-58-9
Publisher: ECATS Int Association Business Organisation, Brussels, BE

The EU project ACACIA (Advancing the science for aviation and climate)

Author(s): Sausen, R., K. Gierens, S. Matthes, and the ACACIA team
Published in: 3rd ECATS Conference, Making aviation environmentally sustainable, 2020, Page(s) 96-98, ISBN 978-1-910029-58-9
Publisher: ECATS Int Association Business Organisation, Brussels, BE

COVID-19 induced lower-tropospheric ozone changes

Author(s): Mariano Mertens, Patrick Jöckel, Sigrun Matthes, Matthias Nützel, Volker Grewe, Robert Sausen
Published in: Environmental Research Letters, 16/6, 2021, Page(s) 064005, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/abf191

Mitigation of Non-CO2 Aviation’s Climate Impact by Changing Cruise Altitudes

Author(s): Sigrun Matthes, Ling Lim, Ulrike Burkhardt, Katrin Dahlmann, Simone Dietmüller, Volker Grewe, Amund S. Haslerud, Johannes Hendricks, Bethan Owen, Giovanni Pitari, Mattia Righi, Agnieszka Skowron
Published in: Aerospace, 8/2, 2021, Page(s) 36, ISSN 2226-4310
Publisher: MDPI AG
DOI: 10.3390/aerospace8020036

Satellite observations of the impact of individual aircraft on ice crystal number in thin cirrus clouds.

Author(s): Marjani, S., Tesche, M., Bräuer, P., Sourdeval, O., Quaas, J.
Published in: Geophysical Research Letters, 2022, ISSN 1944-8007
Publisher: AGU
DOI: 10.1029/2021gl096173

How Well Can Persistent Contrails Be Predicted?

Author(s): Gierens, K., Matthes, S., and Rohs, S.
Published in: Aerospace, 7 (169), 2020, ISSN 2226-4310
Publisher: MDPI
DOI: 10.3390/aerospace7120169

Climate impact of aircraft-induced cirrus assessed from satellite observations before and during COVID-19

Author(s): Johannes Quaas, Edward Gryspeerdt, Robert Vautard, Olivier Boucher
Published in: Environmental Research Letters, 16/6, 2021, Page(s) 064051, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/abf686

Exploring the uncertainties in the aviation soot–cirrus effect

Author(s): Righi, M., Hendricks, J., and Beer, C. G
Published in: Atmos. Chem. Phys., 21, 2021, Page(s) 17267–17289, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-21-17267-2021

Greater fuel efficiency is potentially preferable to reducing NOx emissions for aviation’s climate impacts

Author(s): Agnieszka Skowron, David S. Lee, Rubén Rodríguez De León, Ling L. Lim, Bethan Owen
Published in: Nature Communications, 12/1, 2021, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-20771-3

Weather Variability Induced Uncertainty of Contrail Radiative Forcing

Author(s): Lena Wilhelm, Klaus Gierens, Susanne Rohs
Published in: Aerospace, 8/11, 2021, Page(s) 332, ISSN 2226-4310
Publisher: MDPI
DOI: 10.3390/aerospace8110332

Meteorological Conditions that Promote Persistent Contrails

Author(s): Lena Wilhelm, Klaus Gierens, Susanne Rohs
Published in: Applied Sciences, 12, 2022, Page(s) 4450, ISSN 2076-3417
Publisher: MDPI
DOI: 10.3390/app12094450

Quantifying aviation’s contribution to global warming

Author(s): Klöwer M., Allen M. R., Lee D. S., Proud S. R., Gallagher L., Skowron A.
Published in: Environmental Research Letters, 16(10), 2021, Page(s) 104027, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ac286e