Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Comparative Study: The Impacts of Artificial Light and the Airborne Fine Particulate Matter (PM2.5) in Urban Versus Rural Areas in Changing Climate

Version 1 : Received: 16 May 2023 / Approved: 18 May 2023 / Online: 18 May 2023 (10:25:34 CEST)

How to cite: Thurairajah, U.; Littlewood, J.; Karani, G. A Comparative Study: The Impacts of Artificial Light and the Airborne Fine Particulate Matter (PM2.5) in Urban Versus Rural Areas in Changing Climate. Preprints 2023, 2023051328. https://doi.org/10.20944/preprints202305.1328.v1 Thurairajah, U.; Littlewood, J.; Karani, G. A Comparative Study: The Impacts of Artificial Light and the Airborne Fine Particulate Matter (PM2.5) in Urban Versus Rural Areas in Changing Climate. Preprints 2023, 2023051328. https://doi.org/10.20944/preprints202305.1328.v1

Abstract

The study aims to identify the fine particulate matter (PM2.5) hazard area, mitigation method, and possible sustainable development in a changing global climate. The critical environmental hazards are artificial light at night (ALAN) and air pollution with ambient PM2.5. People use nighttime outdoor environments for their needs, and the nocturnally migrating birds are attracted to urban ALAN during seasonal migration, which could increase the birds' exposure to PM2.5. A comparative study examines PM2.5 concentrations and the spatial correlation between ALAN and PM2.5 within urban versus rural areas. The author used the nighttime data of the artificial light on the Earth's surface and the PM2.5 level of concentration to estimate the extent of air pollution associated with PM2.5 in the ground-level atmosphere. The results can assist in determining the required PM2.5 control areas and designing and executing environmental conservation planning. Furthermore, the results of this study are not only beneficial to understanding accurately the regional differences of spatiotemporal PM2.5 emission dynamics and helpful for proposing alleviation policies in air pollution control and providing scientific support for regional sustainable development in changing climate. The integrated hazards of ALAN and air pollution are most significant and likely to increase within the urban and decrease within rural areas. This study was undertaken by the first author and built upon the context of the academic, scientific, and technological challenges to identify the PM2.5 concentration in urban and rural areas and the expected outcomes.

Keywords

Fine particulate matter (PM2.5); air pollution; light pollution; environmental hazards; climate change; sustainable development

Subject

Environmental and Earth Sciences, Pollution

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