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Advancing the Science for Aviation and ClimAte

Deliverables

Report or publication on satellite assessment of aviation impact on cirrus

This deliverable describes results from Task 22 Satellite data and model simulations are used to find out whether and how aviation aerosol effects on cirrus cloud microphysics are detectable from space whether there are subsequent effects on bulk macrophysical cloud properties and what the consequences are for their radiative effects

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

Synthesis operational solutions envisaged for reducing aviation emissions

This deliverable produced in Task 53 will provide climate change functions which quantify firstorder atmospheric sensitivities updated for the new results on aerosolcloud interaction

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

Report on favourable atmospheric situations for aviation-induced effects

This deliverable describes the results from Task 32 It will characterise meteorological conditions where aviation emissions have a particularly strong effect on clouds and atmospheric compositions and where such effects can be detected that is where the signaltonoise ratio is sufficiently large

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.

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

Upper-tropospheric slightly ice-subsaturated regions: frequency of occurrence and statistical evidence for the appearance of contrail cirrus

Author(s): Yun Li, Christoph Mahnke, Susanne Rohs, Ulrich Bundke, Nicole Spelten, Georgios Dekoutsidis, Silke Groß, Christiane Voigt, Ulrich Schumann, Andreas Petzold, Martina Krämer
Published in: ACP, Issue 23, 2023, Page(s) 2251–2271, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-23-2251-2023

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, Issue 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, Issue 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

A “greenhouse gas balance” for aviation in line with the Paris Agreement

Author(s): Jan Fuglestvedt, Marianne T. Lund, Steffen Kallbekken, Bjørn Hallvard Samset, David S. Lee
Published in: WIREs Climate Change, Issue e839, 2023, ISSN 1757-7799
Publisher: Wiley
DOI: 10.1002/wcc.839

How Well Can Persistent Contrails Be Predicted?

Author(s): Gierens, K., Matthes, S., and Rohs, S.
Published in: Aerospace, Issue 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, Issue 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., Issue 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, Issue 12/1, 2021, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-20771-3

Transport patterns of global aviation NOx and their short-term O3 radiative forcing – a machine learning approach

Author(s): Jin Maruhashi, Volker Grewe, Christine Frömming, Patrick Jöckel, Irene C. Dedoussi
Published in: ACP, Issue 22, 2022, Page(s) 14253–14282, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-22-14253-2022

Weather Variability Induced Uncertainty of Contrail Radiative Forcing

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

Contrail radiative dependence on ice particlenumber concentration

Author(s): Rubén Rodríguez De León, David S Lee
Published in: Environ. Res.: Climate, Issue 2(3), 2023, Page(s) 035012, ISSN 2752-5295
Publisher: IOP Publishing
DOI: 10.1088/2752-5295/ace6c6

Cirrus cloud thinning using a more physically based ice microphysics scheme in the ECHAM-HAM general circulation model

Author(s): Tully, Colin; id_orcid0000-0002-6745-8660; Neubauer, David; id_orcid0000-0002-9869-3946; Omanovic, Nadja; Lohmann, Ulrike; id_orcid0000-0001-8885-3785
Published in: Atmospheric Chemistry and Physics, 22 (17), Issue 4, 2022, Page(s) 11455–11484, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-22-11455-2022

Does prognostic seeding along flight tracks produce the desired effects of cirrus cloud thinning?

Author(s): Colin Tully; David Neubauer; Diego Villanueva; Ulrike Lohmann
Published in: Atmospheric Chemistry and Physics, 23 (13), Issue 11, 2023, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-23-7673-2023

Assessing predicted cirrus ice properties between two deterministic ice formation parameterizations

Author(s): Colin Tully; David Neubauer; Ulrike Lohmann
Published in: Geoscientific Model Development, 16 (10), Issue 10, 2023, ISSN 1991-959X
Publisher: Copernicus Gesellschaft mbH
DOI: 10.5194/gmd-16-2957-2023

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, Issue 16(10), 2021, Page(s) 104027, ISSN 1748-9326
Publisher: Institute of Physics Publishing
DOI: 10.1088/1748-9326/ac286e

Can we successfully avoid persistent contrails by small altitude adjustments of flights in the real world?

Author(s): Robert Sausen, Sina Hofer, Klaus Gierens, Luca Bugliaro, Rüdiger Ehrmanntraut, Ilona Sitova, Kacper Walczak, Anja Burridge-Diesing, Milena Bowman, Nick Miller
Published in: Meteorol. Z., 2023, ISSN 0941-2948
Publisher: Gebruder Borntraeger Verlagsbuchhandlung
DOI: 10.1127/metz/2023/1157

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