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자료유형
학술저널
저자정보
이태훈 (부경대학교) 송한결 (부산연구원) 최원식 (부경대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제39권 제6호
발행연도
2023.12
수록면
947 - 967 (21page)
DOI
10.5572/KOSAE.2023.39.6.947

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Mobile measurements were conducted to understand the spatial distributions of the number concentrations of particles (PNC) with diameters from 20 to 700 nm and PM<SUB>2.5</SUB><SUB></SUB> mass concentrations along two routes, Route GM and SD, the two characteristic roadways adjacent to Busan North Port with distinct traffic compositions. The measurements were conducted 11 times in the morning and 16 times in the afternoon of November 2021, October 2022, and January 2023, with about five repetitions each time. Despite the proximity of Route GM and SD (only about 340 m apart), the PNC in Route SD (9.7±4.4×10⁴ particles/㎤) was 2.6 times higher than those in Route GM (3.7±2.2×10⁴ particles/㎤), whereas the differences in PM<SUB>2.5</SUB> were not as significant as in PNC. These differences appear to be attributed to differences in traffic composition. While the total traffic volumes for both routes were similar throughout the day, the proportion of heavy-duty vehicles (HDV) differed significantly (SD route: 44%, GM route: 13%). Nonetheless, the PNC levels observed in both the roadways near Busan port were significantly high compared to those in urban areas worldwide. In addition, the mean size of particles in a higher PNC route was smaller than that in a lower PNC roadway, and the smaller size was linked to a larger deposition fraction in deeper respiration tracts of the human body. These findings suggest that the roadways trafficked with a large volume of HDV near the port could potentially risk public health, highlighting the need to monitor PNC and size distributions in those areas.

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Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
References

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