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- W2594654080 abstract "Current air traffic routing is motivated by minimizing economic costs, such as fuel use. In additionto the climate impact of CO2 emissions from this fuel use, aviation contributes to climate changethrough non-CO2 impacts, such as changes in atmospheric ozone and methane concentrations andformation of contrail-cirrus. These non-CO2 impacts depend significantly on where and when theaviation emissions occur. The climate impact of aviation could be reduced if flights were routed toavoid regions where emissions have the largest impact. Here, we present the first results where aclimate-optimized routing strategy is simulated for all trans-Atlantic flights on 5 winter and3 summer days, which are typical of representative winter and summer North Atlantic weatherpatterns. The optimization separately considers eastbound and westbound flights, and accounts forthe effects of wind on the flight routes, and takes safety aspects into account. For all daysconsidered, we find multiple feasible combinations of flight routes which have a smaller overallclimate impact than the scenario which minimizes economic cost. We find that even small changesin routing, which increase the operating costs (mainly fuel) by only 1% lead to considerablereductions in climate impact of 10%. This cost increase could be compensated by market-basedmeasures, if costs for non-CO2 climate impacts were included. Our methodology is a starting pointfor climate-optimized flight planning, which could also be applied globally. Although there arechallenges to implementing such a system, we present a road map with the steps to overcome these." @default.
- W2594654080 created "2017-03-16" @default.
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- W2594654080 date "2017-02-27" @default.
- W2594654080 modified "2023-10-10" @default.
- W2594654080 title "Feasibility of climate-optimized air traffic routing for trans-Atlantic flights" @default.
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- W2594654080 doi "https://doi.org/10.1088/1748-9326/aa5ba0" @default.
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