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DOI10.1088/1748-9326/ab4942
Marginal climate and air quality costs of aviation emissions
Grobler C.; Wolfe P.J.; Dasadhikari K.; Dedoussi I.C.; Allroggen F.; Speth R.L.; Eastham S.D.; Agarwal A.; Staples M.D.; Sabnis J.; Barrett S.R.H.
发表日期2019
ISSN17489318
卷号14期号:11
英文摘要Aviation emissions have been found to cause 5% of global anthropogenic radiative forcing and ∼16 000 premature deaths annually due to impaired air quality. When aiming to reduce these impacts, decision makers often face trade-offs between different emission species or impacts in different times and locations. To inform rational decision-making, this study computes aviation's marginal climate and air quality impacts per tonne of species emitted and accounts for the altitude, location, and chemical composition of emissions. Climate impacts are calculated using a reduced-order climate model, and air quality-related health impacts are quantified using marginal atmospheric sensitivities to emissions from the adjoint of the global chemistry-transport model GEOS-Chem in combination with concentration response functions and the value of statistical life. The results indicate that 90% of the global impacts per unit of fuel burn are attributable to cruise emissions, and that 64% of all damages are the result of air quality impacts. Furthermore, nitrogen oxides (NO x ), carbon dioxide (CO2), and contrails are collectively responsible for 97% of the total impact. Applying our result metrics to an example, we find that a 20% NOx stringency scenario for new aircraft would reduce the net atmospheric impacts by 700 m USD during the first year of operation, even if the NO x emission reductions cause a small increase in CO2 emissions of 2%. In such a way, the damage metrics can be used to rapidly evaluate the atmospheric impacts of market growth as well as emissions trade-offs of aviation-related policies or technology improvements. © 2019 The Author(s). Published by IOP Publishing Ltd.
英文关键词air quality; aviation; climate change
语种英语
scopus关键词Air quality; Atmospheric chemistry; Atmospheric movements; Atmospheric radiation; Aviation; Carbon dioxide; Climate change; Commerce; Decision making; Economic and social effects; Emission control; Nitrogen oxides; Air quality impacts; Atmospheric impact; Chemical compositions; Global chemistry transport model; Rational decision making; Response functions; Technology improvement; Value of statistical lives; Climate models; air quality; anthropogenic effect; carbon dioxide; chemical composition; climate modeling; decision making; emission; nitrogen oxides; radiative forcing
来源期刊Environmental Research Letters
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/154763
作者单位Laboratory for Aviation and the Environment, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, United States; Section Aircraft Noise and Climate Effects, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, Delft, 2629 HS, Netherlands
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Grobler C.,Wolfe P.J.,Dasadhikari K.,et al. Marginal climate and air quality costs of aviation emissions[J],2019,14(11).
APA Grobler C..,Wolfe P.J..,Dasadhikari K..,Dedoussi I.C..,Allroggen F..,...&Barrett S.R.H..(2019).Marginal climate and air quality costs of aviation emissions.Environmental Research Letters,14(11).
MLA Grobler C.,et al."Marginal climate and air quality costs of aviation emissions".Environmental Research Letters 14.11(2019).
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