Integrating Non-CO2 climate impact considerations in air traffic management: Opportunities and challenges

IF 6.3 2区 工程技术 Q1 ECONOMICS Transport Policy Pub Date : 2024-07-05 DOI:10.1016/j.tranpol.2024.06.023
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Abstract

This study investigates the potential for mitigating the non-CO2 climate impact induced by air traffic operations at the network scale. Due to the spatiotemporal dependency of non-CO2 climate impact, aircraft trajectory planning emerges as an operational strategy to mitigate their corresponding effects. However, trajectory planning without considering the interactions between flights is inadequate when studying the actual climate impact mitigation potential. Indeed, meeting climatically oriented aerial traffic requires a holistic view of different aspects of adopting climate-optimal trajectories. In this study, we aim to assess the network-scale effects of full 4D climate-friendly aircraft trajectories. Different indicators are employed to assess air traffic safety, manageability, cost-efficiency, and the environmental impact of optimized routes. Our findings suggest that while optimized trajectories can potentially reduce climate impact, they introduce significant challenges related to air traffic safety, complexity, and demand, especially in sectors in proximity to climate hotspots. These insights highlight the need to develop an advanced mechanism enabling a safe and efficient air traffic management system with minimal climate impact.

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将非二氧化碳气候影响因素纳入空中交通管理:机遇与挑战
本研究探讨了在网络尺度上减轻空中交通运行引起的非二氧化碳气候影响的潜力。由于非二氧化碳气候影响的时空依赖性,飞机轨迹规划成为减轻其相应影响的运营策略。然而,在研究实际气候影响减缓潜力时,不考虑航班间相互作用的轨迹规划是不够的。事实上,要满足以气候为导向的空中交通要求,就必须全面考虑采用气候最优轨迹的不同方面。在本研究中,我们旨在评估全 4D 气候友好型飞行轨迹的网络规模效应。我们采用了不同的指标来评估优化航线的空中交通安全性、可管理性、成本效益和环境影响。我们的研究结果表明,虽然优化轨迹有可能减少对气候的影响,但也会带来与空中交通安全、复杂性和需求相关的重大挑战,尤其是在靠近气候热点的地区。这些见解凸显了开发一种先进机制的必要性,这种机制能够实现安全高效的空中交通管理系统,并将气候影响降至最低。
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来源期刊
Transport Policy
Transport Policy Multiple-
CiteScore
12.10
自引率
10.30%
发文量
282
期刊介绍: Transport Policy is an international journal aimed at bridging the gap between theory and practice in transport. Its subject areas reflect the concerns of policymakers in government, industry, voluntary organisations and the public at large, providing independent, original and rigorous analysis to understand how policy decisions have been taken, monitor their effects, and suggest how they may be improved. The journal treats the transport sector comprehensively, and in the context of other sectors including energy, housing, industry and planning. All modes are covered: land, sea and air; road and rail; public and private; motorised and non-motorised; passenger and freight.
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