关键词: Aviation Energy policy Environmental science Global carbon cycle Global change

来  源:   DOI:10.1016/j.isci.2024.110126   PDF(Pubmed)

Abstract:
The aviation industry\'s emissions have had a significant impact on global climate change. This study focuses on carbon emission trading schemes, sustainable aviation fuels (SAFs), and hydrogen energy, as vital means for the aviation industry to reduce emissions. To evaluate the climate effects of global routes under four scenarios (24 sub-scenarios) until 2100, this study proposes the Aviation-FAIR (Aviation-Finite Amplitude Impulse Response) method. The findings reveal that while CO2 emissions and concentrations are significant, other emissions, such as N2O and CH4, have a greater effective radiative forcing (ERF) and contribute significantly to climate change. Moreover, SAFs are more effective in mitigating airline pollutant emissions than relying solely on carbon trading schemes. The effectiveness of hydrogen fuel cells may be hindered by technical limitations compared to hydrogen turbine engines. The findings of this study provide reference for the global aviation industry to adopt emission reduction measures.
摘要:
航空业的排放对全球气候变化产生了重大影响。这项研究的重点是碳排放交易计划,可持续航空燃料(SAF),和氢能,作为航空业减少排放的重要手段。为了评估全球航线在四种情景(24个子情景)下的气候影响,直到2100年,本研究提出了Aviation-FAIR(航空有限幅度脉冲响应)方法。研究结果表明,尽管二氧化碳排放量和浓度很大,其他排放,N2O和CH4等具有更大的有效辐射强迫(ERF),并对气候变化有显著贡献。此外,SAF在减少航空公司污染物排放方面比仅仅依靠碳交易计划更有效。与氢涡轮发动机相比,氢燃料电池的有效性可能受到技术限制的阻碍。本研究结果为全球航空业采取减排措施提供参考。
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