Journal
ENVIRONMENTAL RESEARCH LETTERS
Volume 10, Issue 3, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1748-9326/10/3/034001
Keywords
aviation; air quality; public health
Funding
- UK Engineering and Physical Sciences Research Council (EPSRC)
- FAA Office of Environment and Energy
- MIT (including final assembly of this multi-scale study)
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Aviation emissions impact surface air quality at multiple scales-from near-airport pollution peaks associated with airport landing and take off (LTO) emissions, to intercontinental pollution attributable to aircraft cruise emissions. Previous studies have quantified aviation's air quality impacts around a specific airport, in a specific region, or at the global scale. However, no study has assessed the air quality and human health impacts of aviation, capturing effects on all aforementioned scales. This study uses a multi-scale modeling approach to quantify and monetize the air quality impact of civil aviation emissions, approximating effects of aircraft plume dynamics-related local dispersion (similar to 1 km), near-airport dispersion (similar to 10 km), regional (similar to 1000 km) and global (similar to 10 000 km) scale chemistry and transport. We use concentration-response functions to estimate premature deaths due to population exposure to aviation-attributable PM2.5 and ozone, finding that aviation emissions cause similar to 16 000 (90% CI: 8300-24000) premature deaths per year. Of these, LTO emissions contribute a quarter. Our estimate shows that premature deaths due to long-term exposure to aviation-attributable PM2.5 and O-3 lead to costs of similar to$21 bn per year. We compare these costs to other societal costs of aviation and find that they are on the same order of magnitude as global aviation-attributable climate costs, and one order of magnitude larger than aviation-attributable accident and noise costs.
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