Tully, C., Neubauer, D., Omanovic, N., and Lohmann, U.: Cirrus cloud thinning using a more physically based ice microphysics scheme in the ECHAM-HAM general circulation model, Atmos. Chem. Phys., 22, 1145511484, doi.org/10.5194/acp-22-11455-2022, 2022.
Wilhelm, L., Gierens, K., and Rohs, S. 2022: Meteorological Conditions that Promote Persistent Contrails. Applied Sciences, 12, 4450,
https://doi.org/10.3390/app12094450.
Marjani, S., Tesche, M., Bräuer, P., Sourdeval, O., and Quaas, J. 2022: Satellite observations of the impact of individual aircraft on ice crystal number in thin cirrus clouds. Geophysical Research Letters 49, e2021GL096173, https://doi.org/10.1029/2021GL096173.
Righi, M., Hendricks, J., and Beer, C. G. 2021: Exploring the uncertainties in the aviation sootcirrus effect, Atmos. Chem. Phys. 21, 17267-17289, https://doi.org/10.5194/acp-21-17267-2021.
Wilhelm L, Gierens K, Rohs S. 2021: Weather Variability Induced Uncertainty of Contrail Radiative Forcing. Aerospace 8(11):332, https://doi.org/10.3390/aerospace8110332
Klöwer, M., Allen, M. R., Lee, D. S., Proud, S. R., Gallagher, L., & Skowron, A. 2021. Quantifying aviation’s contribution to global warming. Environmental Research Letters 16(10), 104027, https://iopscience.iop.org/article/10.1088/1748-9326/ac286e
Mertens, M.; Jöckel, P.; Matthes, S.; Nuetzel, M.; Grewe, V., and Sausen, R. 2021: COVID-19 induced lower-tropospheric ozone changes. Environ. Res. Lett. 16(6), 064005, https://doi.org/10.1088/1748-9326/abf191.
Quaas, J.; Gryspeerdt, E.; Vautard, R.; and Boucher, O. 2021: Climate impact of aircraft-induced cirrus assessed from satellite observations before and during COVID-19. Environ. Res. Lett. 16, 064051, https://doi.org/10.1088/1748-9326/abf686.
Matthes, S.; Lim, L.; Burkhardt, U.; Dahlmann, K.; Dietmüller, S.; Grewe, V.; Haslerud, A.S.; Hendricks, J.; Owen, B.; Pitari, G.; Righi, M.; Skowron, A. 2021: Mitigation of Non-CO2 Aviation’s Climate Impact by Changing Cruise Altitudes. Aerospace 8(36), doi.org/10.3390/aerospace8020036.
Skowron, A., Lee, D.S., De León, R.R. et al. 2021: Greater fuel efficiency is potentially preferable to reducing NOx emissions for aviation’s climate impacts. Nat Commun 12(564), doi.org/10.1038/s41467-020-20771-3.
Gierens, K., Matthes, S., and Rohs, S. 2020: How Well Can Persistent Contrails Be Predicted? Aerospace, 7(169),
doi.org/10.3390/aerospace7120169.
Non-refereed publications
Li, Y., Mahnke, C., Rohs, S., Bundke, U., Spelten, N., Dekoutsidis,G., Groß, S., Voigt, C., Schumann, U., Petzold, A., and Krämer, M.: Upper tropospheric slightly ice-subsaturated regions: Frequency of occurrence and statistical evidence for the appearance of contrail cirrus, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2022-632, 2022.
Maruhashi, J., Grewe, V., Frömming, C., Jöckel, P., and Dedoussi, I. C.: Transport Patterns of Global Aviation NOx and their Short-term O3 Radiative Forcing A Machine Learning Approach, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2022-348, 2022.
Terrenoire, E., Hauglustaine, D., Cohen, Y., Cozic, A., Valorso, R., Lefèvre, F., and Matthes, S.: Impact of present and future aircraft NOx and aerosol emissions on atmospheric composition and associated direct radiative forcing of climate, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2022-222, 2022.
Gierens, K., S. Matthes, S. Rohs, 2020: How well can persistent contrails be predicted? 3rd ECATS Conference, Making aviation environmentally sustainable. 13-15 October
2020, Gothenburg, Sweden.
S. Matthes, K. Gierens, R. Sausen, and the ACACIA team, 2020:
ACACIA PROJECT --- Improved understanding of aviation's climate impact.
10th EASN Virtual International Conference on Innovation in Aviation and Space
to the Satisfction of the European Citizens. 2-4 September 2020.
Oral presentations
Gierens Klaus, Wilhelm, L., Patrick Peter et al.: Forecasting conditions for contrail development, RAeS Greener by Design Specialist Group Event: The non-CO2 climate effects of aviation, London,UK and virtual, 20-21 September 2022.
Lee, David, Keith Shine, Piers Forster: Non-CO2 climate science update, RAeS Greener by Design Specialist Group Event: The non-CO2 climate effects of aviation, London,UK and virtual, 20-21 September 2022.
Li Y., C. Mahnke, S. Rohs, A. Petzold, and M. Krämer: Airborne observations of contrail cirrus over Europe and the Northeast Atlantic, TAC-5 International Conference, Germany 27-30 June 2022.
Durdina L., J. Edebeli, C. Spirig, M. Roth, B. Brem, D. Schönenberger, M. Elser and J. Anet: Certification versus research measurements: Investigating the variability of particle emissions of commercial jet engines from a long-running series of emission tests, TAC-5 International Conference, Germany 27-30 June 2022.
Mahnke C., R. Gomes, U. Bundke, M. Berg, H. Ziereis, M. Sharma, M. Righi, J. Hendricks, A. Zahn, and A. Petzold: Aviation induced aerosol within the UTLS: properties and processing observed from the IAGOS-CARIBIC Flying Laboratory, TAC-5 International Conference, Germany 27-30 June 2022.
Omanovic N., C. Tully, D. Neubauer, and U. Lohmann: Assessing the impact of non-CO2 air-craft emissions on cirrus cloud formation in ECHAM-HAM GCM, TAC-5 International Conference, Germany 27-30 June 2022.
Purseed J., N. Bellouin and E. Gilbert: Large Eddy Simulation of interactions between avia-tion-aerosols and cirrus clouds, TAC-5 International Conference, Germany 27-30 June 2022.
Righi M., J. Hendricks, and C. G. Beer: Exploring the uncertainties in the aviation soot-cirrus effect, TAC-5 International Conference, Germany 27-30 June 2022.
Testa, B., L. Durdina, J. Edebeli, C. Spirig, J. Anet and Z. A. Kanji: Ice nucleating properties of aircraft turbine engine soot particles with respect to cirrus clouds formations, TAC-5 International Conference, Germany 27-30 June 2022.
Tully C., D. Neubauer, N. Omanovic and U. Lohmann: Evaluating cirrus cloud thinning efficacy using prognostic seeding particles along flight tracks in the ECHAM-HAM GCM, TAC-5 International Conference, Germany 27-30 June 2022.
Wilhelm, L., K. Gierens, and S. Rohs: Towards a better prediction of persistent contrails using dynamical proxy variables, TAC-5 International Conference, Germany 27-30 June 2022.
Matthes, S.: Collaborative and inter-disciplinary Aeronautics Research in Europe on aviation and climate change. Invited evening lecture, TAC-5 International Conference, Germany 27-30 June 2022.
Matthes Sigrun, Klaus Gierens & ACACIA Project Team: Advancing the Science for Aviation and Climate: ACACIA. Developing improved understanding on aviation’s climate impact, ILA 2022, Aeronautics Session, Berlin, 22-26 June 2022.
Cohen, Y., Hauglustaine, D., Bellouin, N., Lund, M.T., Matthes, S., Petzold, A., Rohs, S., Skowron, A., Thouret, V., and Ziereis, H.: A multi-model assessment of atmospheric composi-tion in the UTLS with the IAGOS database, in the frame of the ACACIA EU project, EGU General Assembly 2022, Vienna 23-27 May 2022.
Sajedeh Marjani, Matthias Tesche, Peter Bräuer, Odran Sourdeval, and Johannes Quaas (2022): Satellite observations of the impact of individual aircraft on ice crystal number in cirrus clouds, EGU Genaral Assembly 2022 Highlight, Vienna 23-27 May 2022.
Yun Li, Mahnke, C., Rohs, S., Bundke, U., Spelten, N., Dekoutsidis, G., Groß, S., Voigt, C., Schumann, U., Petzold, A., and Krämer, M. (2022): Observations of contrail cirrus in ice-subsaturated environments and implications for mitigating the climate impact of aviation, EGU General Assembly 2022 Highlight, Vienna, Austria, 2327 May 2022, EGU22-7830.
Baptiste Testa, Lukas Durdina, Jacinta Edebeli, Curdin Spirig, Julien Anet and Zamin A. Kanji (2022): Ice nucleating properties of aircraft turbine engine soot particles with respect to cirrus clouds formations, EGU General Assembly 2022, Vienna 23-27 May 2022.
Jin Maruhashi, Volker Grewe, Christine Frömming, Patrick Jöckel, and Irene Dedoussi (2022): A Lagrangian study of globally emitted aviation NOx and associated short-term O3 radiative forcing effects, , EGU General Assembly 2022, Vienna 23-27 May 2022, EGU22-6646.
Christoph Mahnke, Rita Gomes, Ulrich Bundke, Marcel Berg, Helmut Ziereis, Monica Sharma, Mattia Righi, Johannes Hendricks, Andreas Zahn, and Andreas Petzold (2022): Properties and processing of aviation induced aerosol within the UTLS observed from the IAGOS-CARIBIC Flying Laboratory, , EGU General Assembly 2022, Vienna 23-27 May 2022, EGU22-908.
Righi, M. (2022): Exploring the uncertainties in the aviation soot-cirrus effect. Seminar of the DLR Institute of Atmospheric Physics, 2 February 2022, virtual.
Quaas J. (2021): Climate impact of aircraft-induced cirrus assessed from satellite observations before and during COVID-19. Atmospheric physics seminar, University of Warsaw, 17 December 2021, virtual. Download presentation (pdf 5 MB).
Tully, C., Neubauer, D., Omanovic, N. and Lohmann, U. (2021): A climate engineering dead end? Cirrus cloud thinning fails to produce cooling even with more physically based ice microphysics in the ECHAM-HAM GCM. AGU 2021, 15 December 2021, New Orleans, USA.
Righi, M., Hendricks, J., and Beer, C.G. (2021): Exploring the uncertainties in the aviation soot-cirrus effect.
European Aerosol Conference 2021, Session: AE1 Aviation Emissions, 3 September 2021, virtual. Extended abstract.
Matthes, S., Gierens, K. and ACACIA team (2021): ACACIA: Developing improved understanding on aviation's climate impact. 11. EASN International Conference, 2 September 2021, virtual.
Omanovic, N. (2021): Modelling of ice clouds in a state-of-theart global circulation model. 11. EASN International Conference, 2 September 2021, virtual.
Li, Y., Mahnke, C., Rohs, S., Petzold, A., and Krämer, M. (2021): Occurrences of natural and contrail cirrus and their microphysical properties observed from in-situ measurements.
11. EASN International Conference, 2 September 2021, virtual.
Mahnke C., Gomes R., Bundke U., Petzold A., Ziereis H., and Zahn A. (2021): Aviation impact on atmospheric aerosol observed from IAGOS-CARIBIC flying laboratory.
eGMAC 2021, 27 May 2021, virtual. Abstract,
Recording of session.
Quaas J., Gryspeerdt E., Vautard R., and Boucher O. (2021): Climate impact of aircraft-induced cirrus assessed from satellite observations before and during COVID-19.
EGU21, 27 April 2021, virtual. Presentation.
Skowron, A. (2021): Effect of future atmospheric background composition on NOx climate impact in the longer term.
RAeS Conference: Mitigating the climate impact of non-CO2 Aviation’s low-hanging fruit, 23-24 March 2021, virtual.
Grewe, V. (2021): Current assessment of NOx impact and dependence on time and place of emissions.
RAeS Conference: Mitigating the climate impact of non-CO2 Aviation’s low-hanging fruit, 23-24 March 2021, virtual.
Sausen, R. (2021): Climate impact of Aviation's non-CO2 emissions - An overview.
RAeS Conference: Mitigating the climate impact of non-CO2 Aviation’s low-hanging fruit, 23-24 March 2021, virtual.
Gierens, K. M. (2021): Contrail Statistics, Big Hits and Predictability.
RAeS Conference: Mitigating the climate impact of non-CO2 Aviation’s low-hanging fruit, 23-24 March 2021, virtual.
Lee, D., D. Fahey, and J.S. Fuglestvedt, 2020: Climate change and aviation. Online Stocktaking Preview, 28 April 2020, in preparation for the
ICAO Stocktaking Seminar on in-sector CO2 emissions reductions, which has been rescheduled to 8-10 September 2020 at ICAO Headquarters, Montreal. Download
presentation (pdf 3.7 MB).
Matthes, S., Lührs B., Linke F., Grewe V., Dahlmann K., Yin F., and Shine K. 2020: Mitigation potential of climate-optimized routing: concept study for Europe. AEC, 25-28 February 2020, Bordeaux, France.
Download extended abstract.
Terrenoire, E. and Hauglustaine,D. 2020: Impact of present and future aircraft emissions on atmospheric composition. 3rd ECATS Conference, Making aviation environmentally sustainable.
13-15 October 2020, Gothenburg, Sweden.
Grewe, V., Matthes, S., and Dahlmann, K. 2020: The Contribution of Aviation NOx Emissions to Climate Change. 3rd ECATS Conference, Making aviation environmentally sustainable.
13-15 October 2020, Gothenburg, Sweden.
Yin, F., Grewe, V., and Gierens, K. 2020: Impact on Contrails Coverage when Flying with Hybrid Electric Aircraft. 3rd ECATS Conference, Making aviation environmentally sustainable.
13-15 October 2020, Gothenburg, Sweden.
Frömming, C., Grewe, V., Brinkop, S., Haslerud, A., Rosanka, S., van Manen, J., and Matthes, S. 2020: Weather and Location Dependency of Aviation Climate Effects: 4-D-Climate-Change-Functions. 3rd ECATS Conference, Making aviation environmentally sustainable. 13-15 October 2020, virtual.
Yamashita, H., Yin, F., Grewe, V., Jöckel, P., Matthes, S., Kern, B., Dahlmann, K., and Frömming, C. 2020: Comparison of Various Aircraft Routing Strategies Using the AirTraf 2.0. 3rd ECATS Conference, Making aviation environmentally sustainable. 13-15 October 2020, virtual.
Poster
Cohen Y., D. Hauglustaine, N. Bellouin, M. Tronstadt Lund, S. Matthes and A. Skowron: Impact of aircraft NOx and aerosol emissions on atmospheric composition: a model intercomparison, TAC-5 International Conference, Germany 27-30 June 2022.
Sharma M., M. Righi, J. Hendricks, C. Mahnke, A. Petzold, D. Sauer and V. Grewe: Towards an improved estimate of aviation-aerosol effect on low level clouds, TAC-5 International Conference, Germany 27-30 June 2022.
Matthes S., P. Peter, M. Mertens, Y. Cohen, D. Hauglustaine, P. Jöckel, H. Ziereis, A. Zahn, A. Kerkweg and A. Petzold: Comparing reactive species aircraft observations with EMAC global chemistry-climate model simulation, TAC-5 International Conference, Germany 27-30 June 2022.
Matthes S., N. Bellouin, I. Dedoussi, J. Fuglestvedt, K. Gierens, D. Hauglustaine, Z. Kanji, M. Krämer, D. Lee, U. Lohmann, A. Petzold, J. Quaas, M. Righi, B. Weinzierl, S. Baumann, R. Sausen and J. Anet: ACACIA: Improved understanding on aviation’s climate effects thru com-bination of numerical modelling and observations, TAC-5 International Conference, Germany 27-30 June 2022.
Sajedeh Marjani, Matthias Tesche, Peter Bräuer, Odran Sourdeval, and Johannes Quaas; Aviation impact on the number of ice crystals in already existing thin cirrus clouds, TAC-5 International Conference, Germany 27-30 June 2022.
Finke, M., S. Matthes, A. Tedeschi, G. Alonso, I. Stasicka, S. Baumann and the ACGA team: First results of EU funded aeronautic projects, TAC-5 International Conference, Germany 27-30 June 2022.
Mertens, M.; Jöckel, P.; Matthes, S.; Nuetzel, M.; Grewe, V., and Sausen, R. 2021: COVID-19 induced lower-tropospheric ozone changes. 16th IGAC Scientific Conference 2021. 12-17 September 2021, virtual.
German Federal Chancellery: Robert Sausen is invited to an industry and policy related Expert Discussion in the German Federal Chancellery, Topic: Challenge 'Green Deal'. Alternative and disruptive propulsion technology in aviation. 19 January 2021.
ACACIA project video 'Aviation goes climate friendly'. Please contact the project office for videos in higher resolution or including sound.
ACGA Cluster (H2020 Sister Projects / Greener Aviation Operations) - common video
Participation of Robert Sausen in EUROCONTROL Webinar: Stakeholder Forum on aviation’s impact on non-CO2 emissions. How can the aviation industry best address climate impacts other than CO2? 27 April 2021, Link to
Webinar.
DLR press release: Global air transport contributes 3.5 percent to global warming (English) / Der globale Luftverkehr trägt 3,5 Prozent zur Klimaerwärmung bei (Deutsch), 24 September 2020
BBC News: Radio interview and short video presentation about aviation, climate, and Covid-19 on by Marianne Tronstad Lund (Cicero), August/September 2020.