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Full-Text Articles in Engineering

Understanding Air Pollutants And Meteorology Interactions Using Chemical Transport Models, Pengfei Wang May 2020

Understanding Air Pollutants And Meteorology Interactions Using Chemical Transport Models, Pengfei Wang

LSU Doctoral Dissertations

Air pollution is a worldwide threat to human health and ecosystems, especially in developing countries. After being emitted to the atmosphere, air pollutant concentrations are determined by chemical and physical processes including transport, transformation, and deposition, which are largely affected by meteorological variations. In turn, pollutants such as fine particulate matter (PM2.5) affect meteorology by impacting solar radiation and cloud condensation processes. Thus, it is important and necessary to understand the interactions between air pollutants and meteorology for better designing effective air pollution control strategies and forecasting weather. In this study, two chemical transport models (CTMs) are applied …


Assess The Performance Against Ets And Pm1 And Evaluate The Users’ Experiences Of Comfort Of Nasal Filters, Ibrahim Almuhaidib Jan 2020

Assess The Performance Against Ets And Pm1 And Evaluate The Users’ Experiences Of Comfort Of Nasal Filters, Ibrahim Almuhaidib

Graduate Theses, Dissertations, and Problem Reports

Many cities around the world experience severe air pollution. According to the World Health Organization (WHO), 7 million people die annually from exposure to small airborne Particulate Matter (PM) that is found in atmospheric pollution. Particulate matter in atmospheric pollution is one of six classifications of common air pollutants and is typically referred to as PM1 and PM2.5. Particulates designated as PM1 and PM2.5 refer to particles having aerodynamic diameters of 1 or 2.5 micrometer (µm), respectively. These size ranges of particles are the most commonly found in air pollution. It is hard to differentiate …