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Yin, F. (author), Grewe, V. (author), Castino, F. (author), Rao, P.V. (author), Matthes, S (author), Dahlmann, K. (author), Dietmüller, Simone (author), Frömming, C. (author), Yamashita, H. (author)The Modular Earth Submodel System (MESSy) provides an interface to couple submodels to a base model via a modular flexible data management facility. This paper presents the newly developed MESSy submodel, ACCF version 1.0 (ACCF 1.0), based on algorithmic Climate Change Functions version 1.0 (aCCFs 1.0), which describes the climate impact of...journal article 2023
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Dietmüller, Simone (author), Matthes, Sigrun (author), Dahlmann, Katrin (author), Yamashita, Hiroshi (author), Simorgh, Abolfazl (author), Lührs, Benjamin (author), Grewe, V. (author), Yin, F. (author), Castino, F. (author)Aviation aims to reduce its climate effect by adopting trajectories that avoid regions of the atmosphere where aviation emissions have a large impact. To that end, prototype algorithmic climate change functions (aCCFs) can be used, which provide spatially and temporally resolved information on aviation's climate effect in terms of future near...journal article 2023
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Dahlmann, K. (author), Grewe, V. (author), Matthes, S. (author), Yamashita, H. (author)Climate impact of anthropogenic activities is more and more of public concern. But while CO<sub>2</sub> emissions are accounted in emissions trading and mitigation plans, emissions of non-CO<sub>2</sub> components contributing to climate change receive much less attention. One of the anthropogenic emission sectors, where non-CO<sub>2</sub>...journal article 2022
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Niklaβ, Malte (author), Grewe, V. (author), Gollnick, Volker (author), Dahlmann, Katrin (author)Approximately 50–75% of aviation's climate impact is caused by non-CO<sub>2</sub> effects, like the production of ozone and the formation of contrail cirrus clouds, which can be effectively prevented by re-routing flights around highly climate-sensitive areas. Here, we discuss options how to incentivize re-routing approaches and apply...journal article 2021
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Yamashita, Hiroshi (author), Yin, F. (author), Grewe, V. (author), Jöckel, Patrick (author), Matthes, Sigrun (author), Kern, Bastian (author), Dahlmann, Katrin (author), Frömming, Christine (author)Climate-optimized routing is an operational measure to effectively reduce the climate impact of aviation with a slight increase in aircraft operating costs. This study examined variations in the flight characteristics among five aircraft routing strategies and discusses several characteristics of those routing strategies concerning typical...journal article 2021
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Matthes, Sigrun (author), Lim, Ling (author), Burkhardt, Ulrike (author), Dahlmann, Katrin (author), Dietmüller, Simone (author), Grewe, V. (author), Haslerud, Amund S. (author), Hendricks, Johannes (author), Owen, Bethan (author), Pitari, Giovanni (author), Righi, Mattia (author), Skowron, Agnieszka (author)Aviation is seeking for ways to reduce its climate impact caused by CO<sub>2</sub> emissions and non-CO<sub>2</sub> effects. Operational measures which change overall flight altitude have the potential to reduce climate impact of individual effects, comprising CO<sub>2</sub> but in particular non-CO<sub>2</sub> effects. We study the impact of...journal article 2021
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Marks, Tobias (author), Dahlmann, Katrin (author), Grewe, V. (author), Gollnick, Volker (author), Linke, Florian (author), Matthes, Sigrun (author), Stumpf, Eike (author), Swaid, Majed (author), Unterstrasser, Simon (author)The aerodynamic formation flight, which is also known as aircraft wake-surfing for efficiency (AWSE), enables aircraft to harvest the energy inherent in another aircraft’s wake vortex. As the thrust of the trailing aircraft can be reduced during cruise flight, the resulting benefit can be traded for longer flight time, larger range, less fuel...journal article 2021
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Matthes, Sigrun (author), Lührs, Benjamin (author), Dahlmann, K. (author), Linke, F. (author), Grewe, V. (author), Yin, F. (author), Shine, K.P. (author)Aviation can reduce its climate impact by controlling its CO2-emission and non-CO2 effects, e.g. aviation-induced contrail-cirrus and ozone caused by nitrogen oxide emissions. One option is the implementation of operational measures which aim to avoid those atmospheric regions that are in particular sensitive to non-CO2 aviation effects, e.g....abstract 2020
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Grewe, V. (author), Matthes, Sigrun (author), Dahlmann, K. (author)The contribution of aviation to anthropogenic climate change results from CO2 and non-CO2 emissions. Latter comprises emissions of nitrogen oxides, water vapour, and aerosols as well as contrail and contrail-cirrus effects. A series of updates can be noted in recent studies related to the effects of NOx-emissions; the inclusion of two physical...abstract 2020
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Comparison of various aircraft routing strategies using the air traffic simulation model airtraf 2.0Yamashita, H. (author), Yin, F. (author), Grewe, V. (author), Jockel, P. (author), Matthes, Sigrun (author), Kern, Bastian (author), Dahlmann, K. (author), Frömming, C. (author)A climate-optimized routing is expected as an operational measure to reduce the climate impact of aviation, whereas this routing causes extra aircraft operating costs. This study performs some air traffic simulations of nine aircraft routing strategies which include the climate-optimized routing, and examines characteristics of those routings. A...abstract 2020
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Dahlmann, K. (author), Matthes, Sigrun (author), Yamashita, H. (author), Unterstrasser, S. (author), Grewe, V. (author), Marks, Tobias (author)An operational measure to aim for mitigation of aviation climate impact that is inspired by migrant birds is to fly in aerodynamic formation. This operational measure adapted to human aircraft would eventually save fuel and is, therefore, expected to reduce the climate impact of aviation. As this method changes beside the total emission also the...abstract 2020
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Dahlmann, Katrin (author), Matthes, Sigrun (author), Yamashita, Hiroshi (author), Unterstrasser, Simon (author), Grewe, V. (author), Marks, Tobias (author)An operational measure that is inspired by migrant birds aiming toward the mitigation of aviation climate impact is to fly in aerodynamic formation. When this operational measure is adapted to commercial aircraft it saves fuel and is, therefore, expected to reduce the climate impact of aviation. Besides the total emission amount, this...journal article 2020
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Yamashita, Hiroshi (author), Yin, F. (author), Grewe, V. (author), Jöckel, Partrick (author), Matthes, Sigrun (author), Kern, B. (author), Dahlmann, Katrin (author), Frömming, Christine (author)Aviation contributes to climate change, and the climate impact of aviation is expected to increase further. Adaptations of aircraft routings in order to reduce the climate impact are an important climate change mitigation measure. The air traffic simulator AirTraf, as a submodel of the European Center HAMburg general circulation model (ECHAM)...journal article 2020
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Matthes, Sigrun (author), Lührs, Benjamin (author), Dahlmann, Katrin (author), Grewe, V. (author), Linke, Florian (author), Yin, F. (author), Klingaman, Emma (author), Shine, Keith P. (author)Aviation can reduce its climate impact by controlling its CO<sub>2</sub>-emission and non-CO<sub>2</sub> effects, e.g., aviation-induced contrail-cirrus and ozone caused by nitrogen oxide emissions. One option is the implementation of operational measures that aim to avoid those atmospheric regions that are in particular sensitive to non-CO...journal article 2020
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Grewe, V. (author), Matthes, Sigrun (author), Dahlmann, K. (author)The contribution of aviation to anthropogenic climate change results from CO2 and non-CO2 emissions. The latter emissions comprise of nitrogen oxides, water vapour, and aerosols as well as contrail and contrailcirrus effects. A series of updates can be noted in recent studies related to the effects of NOx-emissions; the inclusion of two physical...review 2019
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Matthes, Sigrun (author), Grewe, V. (author), Dahlmann, Katrin (author), Frömming, Christine (author), Irvine, Emma (author), Lim, Ling (author), Linke, Florian (author), Lührs, Benjamin (author), Owen, Bethan (author), Shine, Keith (author), Stromatas, Stavros (author), Yamashita, Hiroshi (author), Yin, F. (author)Comprehensive assessment of the environmental aspects of flight movements is of increasing interest to the aviation sector as a potential input for developing sustainable aviation strategies that consider climate impact, air quality and noise issues simultaneously. However, comprehensive assessments of all three environmental aspects do not yet...journal article 2017
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Grewe, V. (author), Dahlmann, K. (author), Flink, J. (author), Frömming, C. (author), Ghosh, R. (author), Gierens, K. (author), Heller, R (author), Hendricks, J. (author), Jockel, P. (author), Kaufmann, S. (author), Kölker, K. (author), Linke, F. (author), Luchkova, T. (author), Lührs, B. (author), van Manen, Jesper (author), Matthes, S (author), Minikin, A. (author), Niklaß, Malte (author), Plohr, M. (author), Righi, M. (author), Rosanka, S. (author), Schmitt, A (author), Schumann, U (author), Terekhov, I. (author), Unterstrasser, S. (author), Vázquez-Navarro, M. (author), Voigt, C. (author), Wicke, K. (author), Yamashita, H. (author), Zahn, A. (author), Ziereis, H. (author)The WeCare project (Utilizing Weather information for Climate efficient and eco efficient future aviation), an internal project of the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR), aimed at finding solutions for reducing the climate impact of aviation based on an improved understanding of the atmospheric impact from...journal article 2017
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Grewe, V. (author), Bock, L. (author), Dahlmann, K. (author), Gierens, K. (author), Hüttenhofer, L. (author), Unterstrasser, S. (author), Gangoli Rao, A. (author), Bhat, A. (author), Yin, F. (author), Reichelt, T.G. (author), Paschereit, O. (author), Levy, Y. (author)Air traffic is important to our society and guarantees mobility especially for long distances. Air traffic is also contributing to climate warming via emissions of CO2 and various non-CO2 effects, such as contrail-cirrus or increase in ozone concentrations. Here we investigate the climate impact of a future aircraft design, a multi fuel blended...journal article 2017
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Hendricks, J. (author), Righi, M. (author), Dahlmann, K. (author), Gottschaldt, K.-D. (author), Grewe, V. (author), Ponater, M. (author), Sausen, R. (author), Heinrichs, D. (author), Winkler, C. (author), Wolfermann, A. (author), Kampffmeyer, T. (author), Friedrich, R (author), Klötzke, M. (author), Kugler, U. (author)Although climate change is a global problem, specific mitigation measures are frequently applied on regional or national scales only. This is the case in particular for measures to reduce the emissions of land-based transport, which is largely characterized by regional or national systems with independent infrastructure, organization, and...journal article 2017
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Grewe, V. (author), Matthes, S (author), Dahlmann, K. (author), Gollnick, V (author), Niklaß, M. (author), Linke, F. (author), Kindler, K. (author)Air traffic is an important part of our mobility with an increasing rate in transport volume of around 5% per year. Air traffic also contributes to anthropogenic warming by around 5%. Here we present a climate impact assessment tool AirClim and give an overview on the recent technology assessments. Finally, we present a best practice for a...conference paper 2016