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Climate-optimised air traffic routing for trans-Atlantic flights

Grewe, Volker and Matthes, Sigrun and Frömming, Christine and Brinkop, Sabine and Jöckel, Patrick and Gierens, Klaus Martin and Champougny, T. and Fuglestvedt, J.S. and Haslerud, Amund and Irvine, Emma A. and Shine, K.P. (2016) Climate-optimised air traffic routing for trans-Atlantic flights. ECATS Conference 2016, Athen, Griechenland. (Unpublished)

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Official URL: http://www.ecats-network.eu/events/2nd-ecats-conference


Current air traffic routing is motivated by minimizing economic costs, such as fuel use. In addition to the climate effect of CO2 emissions from this fuel use, aviation contributes to climate change through non-CO2 effects, such as changes in atmospheric ozone and methane concentrations and formation of contrail-cirrus. These non-CO2 effects depend significantly on where and when the aviation emissions occur. The climate impact of aviation could potentially be reduced if flights were routed to avoid regions where emissions have the largest impact. Here, we present the first results where a climate-optimized routing strategy is simulated for all trans-Atlantic flights on 5 winter and 3 summer days, which were typical of representative winter and summer North Atlantic weather patterns. The optimization separately considers eastbound and westbound flights, and accounts for the effects of wind on the flight routes. For all days considered, we find multiple feasible combinations of flight routes which have a smaller overall climate impact than the scenario which minimizes economic cost. We find that even small changes in routing, which increase the operating costs (mainly fuel) by only 1% lead to considerable reductions in climate impact of 10%. This cost increase could be compensated by market based measures, if costs for non-CO2 effects were included. Our methodology is a starting point for climate-optimized flight planning, which could also be applied globally. Although there are challenges to implementing such a system, we present a road map with the steps to overcome these.

Item URL in elib:https://elib.dlr.de/107724/
Document Type:Conference or Workshop Item (Speech)
Title:Climate-optimised air traffic routing for trans-Atlantic flights
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Frömming, ChristineDLR, IPAUNSPECIFIED
Gierens, Klaus MartinDLR, IPAhttps://orcid.org/0000-0001-6983-5370
Champougny, T.eurocontrolUNSPECIFIED
Fuglestvedt, J.S.cicero, oslo, nUNSPECIFIED
Haslerud, Amundcicero, oslo, nUNSPECIFIED
Irvine, Emma A.e.a.irvine (at) reading.ac.ukUNSPECIFIED
Shine, K.P.univ. of reading, reading, ukUNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Aviation, NOx emissions, ozone, methane, routing, mitigation
Event Title:ECATS Conference 2016
Event Location:Athen, Griechenland
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics
Institute of Atmospheric Physics > Earth System Modelling
Deposited By: Grewe, Prof. Dr. Volker
Deposited On:14 Nov 2016 07:26
Last Modified:14 Nov 2016 07:26

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