Publications by authors named "Seoyeong Choe"
This study evaluated the health risks and chemical composition of PM and PM in Incheon, South Korea, emphasizing the critical role of particle size in public health impacts. The average concentrations were 10.89 μg/m³ for PM and 8.
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- - The study examined how large-scale incineration facilities affect particulate matter (PM) levels in Seoul during winter, using heat supply records as a stand-in for combustion activity due to data challenges.
- - To evaluate health risks, researchers analyzed dithiothreitol-oxidative potential (DTT-OP) in relation to different PM sources linked to combustion, finding a notable peak in harmful oxidative potential during early morning hours.
- - Results indicated a strong correlation (r = 0.92) between combustion sources and DTT-OP, especially highlighting the impact of biomass burning, suggesting significant health risks associated with local PM sources from incineration in Seoul.
Article Synopsis
- The study focused on analyzing fine particulate matter (PM) and volatile organic compounds (VOCs) to understand air quality issues in the Seoul Metropolitan Area during a campaign from October to November 2021.
- A significant finding was the identification of a "long-range transport factor," linked to air pollution sources from China, that contributed to elevated oxidative potential in the air, impacting health.
- The research revealed that the levels of toxic substances peaked significantly during the monitoring period, indicating that external PM sources lead to higher pollution levels in Korea.
Article Synopsis
- - The study investigated ammonia (NH) concentrations across various source areas in South Korea to understand its role in secondary aerosol formation and PM emissions reduction strategies.
- - NH levels were measured at 45 locations over about 35 weeks, revealing that local sources, particularly livestock, significantly influenced NH concentrations, which averaged below 20.91 ppb in most areas.
- - Findings emphasized the need for focused NH management in urban environments, highlighting automobile and industrial emissions as key contributors, while underscoring the influence of livestock practices on NH levels.