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A physical metric-based framework for evaluating the climate trade-off between CO2 and contrails - the case of lowering aircraft flight trajectories

Deuber, Odette and Matthes, Sigrun and Sausen, Robert and Ponater, Michael and Lim, Ling (2013) A physical metric-based framework for evaluating the climate trade-off between CO2 and contrails - the case of lowering aircraft flight trajectories. Environmental Science and Policy, 25, pp. 176-185. Elsevier. DOI: 10.1016/j.envsci.2012.10.004 ISSN 1462-9011

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Official URL: http://www.citeulike.org/article/11657511

Abstract

Aviation climate impact is composed of short- and long-lived climate effects. When evaluating mitigation options, policy design requires to consider trade-offs apparent under different metric options. We present an evaluation framework to demonstrate the impact of individual physical metric choices on the preferred mitigation strategy, using the example of a generic trade-off situation in aviation. The concept of a turning point is established, which indicates the point in time where the mitigation of a short-term effect (e.g. line-shaped contrails) at the expense of a counteracting long-term effect (e.g. carbon dioxide) becomes preferable. In our generic situation, some physical metrics (e.g. average metrics, physical cost-benefit metrics) are better suited than others to trade off short- and long-lived climate effects for obtaining a robust policy recommendation. The preferred mitigation strategy depends particularly on the evaluation horizon, over which climate impacts are to be minimised (cost-benefit approach) and the selected aviation emission type (pulse, sustained, scenario). At any stage value, judgements must guide the required policy decision on metric options. Including contrail cirrus in the assessment, however, has the potential to dominate the policy recommendation in favour of contrail mitigation so that normative decisions become secondary.

Item URL in elib:https://elib.dlr.de/77992/
Document Type:Article
Title:A physical metric-based framework for evaluating the climate trade-off between CO2 and contrails - the case of lowering aircraft flight trajectories
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Deuber, OdetteDLR, IPAUNSPECIFIED
Matthes, SigrunDLR, IPAhttps://orcid.org/0000-0002-5114-2418
Sausen, RobertDLR, IPAhttps://orcid.org/0000-0002-9572-2393
Ponater, MichaelDLR, IPAhttps://orcid.org/0000-0002-9771-4733
Lim, LingManchester Metropolitan Univ., UKUNSPECIFIED
Date:2013
Journal or Publication Title:Environmental Science and Policy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:25
DOI :10.1016/j.envsci.2012.10.004
Page Range:pp. 176-185
Publisher:Elsevier
ISSN:1462-9011
Status:Published
Keywords:aviation, climate change, trade-off, metrics, linear contrails, simple climate model
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics, Transport
HGF - Program Themes:ATM and Operation (old), Transport System
DLR - Research area:Aeronautics, Transport
DLR - Program:L AO - Air Traffic Management and Operation, V VS - Verkehrssystem
DLR - Research theme (Project):L - Climate, Weather and Environment (old), V - Verkehrsentwicklung und Umwelt (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Earth System Modelling
Deposited By: Ponater, Dr.rer.nat. Michael
Deposited On:19 Nov 2012 15:25
Last Modified:06 Sep 2019 15:23

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