A novel free-air diesel and ozone enrichment (FADOE) research platform

Mofikoya, Adedayo O.; James, Laura; Mullinger, Neil J. ORCID:; Ryalls, James M.W.; Girling, Robbie D.. 2024 A novel free-air diesel and ozone enrichment (FADOE) research platform. MethodsX, 12, 102635. 5, pp.

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Air pollution is an escalating concern in the modern world, posing substantial threats to ecosystem processes. While the importance of comprehending the impact of pollutants on natural environments is evident, conducting rigorous field-based experiments presents formidable challenges. Elevating pollutant concentrations within open air environments in a controlled manner is complex. Nonetheless, such real-world experiments are invaluable for revealing the genuine influence of air pollutants on ecosystems and their functioning. Field-scale measurements have emerged as a pivotal avenue for advancing our understanding of the interactions between air pollutants and the natural world, providing unique insights into ecosystem dynamics, including critical processes like pollination and natural pest regulation. In atmospheric and ecological research, free-air exposure systems have proven effective in elevating carbon dioxide (CO2) and ozone (O3) concentrations, facilitating the exploration of their ecological consequences. Yet, nitrogen oxides (NOx), a class of pollutants with significant ecological and atmospheric relevance, have largely eluded field-based ecological investigations. This paper introduces the recently developed FADOE (Free-Air Diesel and Ozone Enrichment) platform, which allows the elevation of O3 and diesel exhaust (including NOx) within a field-scale context. Comprehensive information on the system's design, construction, and performance data from the 2023 summer season is presented. • Air pollution and ecosystem functioning • Elevated ozone and nitrogen oxides (NOx) • Free-air exposure systems for field scale measurements.

Item Type: Publication - Article
Digital Object Identifier (DOI):
UKCEH and CEH Sections/Science Areas: Atmospheric Chemistry and Effects (Science Area 2017-)
ISSN: 2215-0161
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: air pollution, diesel exhaust, global change ecology, tropospheric ozone
NORA Subject Terms: Ecology and Environment
Atmospheric Sciences
Date made live: 08 Mar 2024 12:19 +0 (UTC)

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