Title Page
Contents
Abstract 10
Ⅰ. Introduction 11
Ⅱ. Research Method 16
2.1. Observation Equipment 16
2.2. Method (Calculation of PM₂.₅ Mass Concentration) 21
2.3. Installation Location of Scanning LiDAR 26
2.3.1. Busan Scanning LiDAR Installation Location and Observation Period 26
2.3.2. Siheung Scanning LiDAR Installation Location and Observation Period 28
2.4. Setting of Observation Area 30
2.4.1. Setting of Observation Area in Busan 30
2.4.2. Setting of Observation Area in Siheung 36
Ⅲ. Research Results 41
3.1. Comparison with National Air Pollution Monitoring Network 41
3.1.1. Comparison with Busan Air Pollution Monitoring Network 41
3.1.2. Comparison with Siheung Air Pollution Monitoring Network 44
3.2. Monitoring Results 46
3.2.1. Monitoring Results in Busan in March and April 48
3.2.2. Monitoring Results in Busan in November 57
3.2.2. Monitoring Results in Siheung in October and November 65
Ⅳ. Conclusion 83
4.1. Conclusion of Busan Monitoring 83
4.2. Conclusion of Siheung Monitoring 85
4.3. Scanning LiDAR: A New Paradigm in Air Pollution Management 87
Reference 90
Table 1. Specification of Scanning LiDAR system. 19
Table 2. PM₂.₅ mass concentration by wind direction and wind speed in March and April. 51
Table 3. PM₂.₅ mass concentration by wind direction and wind speed in November. 60
Table 4. PM₂.₅ mass concentration by wind direction and wind speed in Siheung during October and November. 69
Figure 1. Causes of Death in South Korea in 2019. Captured from the Global Burden of Disease Compare tool at... 12
Figure 2. Schematic diagram of transmission part (a), and receiver part (b), picture of scanning LiDAR system (c), and picture of nighttime observation. 17
Figure 3. Visualization map of particulate matter obtained per observation loop. 25
Figure 4. Location of the observation site and Scanning LiDAR site in Busan. The LiDAR has a maximum observation range of 5km. The... 27
Figure 5. Location of the observation site and Scanning LiDAR site in Siheung. The LiDAR has a maximum observation range of 5km. The... 29
Figure 6. Observation area and site classification in Busan. A: Residential Area, B: Factory Area, C: Gamman Port, D: Busan Port Pier,... 35
Figure 7. Observation area and site classification in Siheung. 38
Figure 8. During the observation period, the average dispersion of Siheung PM₂.₅ mass concentration[내용없음] 7
Figure 9. Site classification in Siheung. A, B, C, D: Particulate Matter Emission areas. 39
Figure 10. Correlation analysis of March and April in Busan. 42
Figure 11. Correlation analysis of November in Busan. 43
Figure 12. Correlation analysis of October and November in Siheung. 45
Figure 13. Graph of area-specific PM₂.₅ mass concentration and standard deviation in Busan for March and April Over Time. 50
Figure 14. Wind rose in Busan during March and April. 55
Figure 15. Hourly average PM₂.₅ mass concentration, standard deviation, and meteorological factors in Busan during March and April. 56
Figure 16. Graph of area-specific PM₂.₅ mass concentration and standard deviation in Busan for November Over Time. 59
Figure 17. Wind rose in Busan during November. 63
Figure 18. Hourly average PM₂.₅ mass concentration, standard deviation, and meteorological factors in Busan during November. 64
Figure 19. Graph of area-specific PM₂.₅ mass concentration and standard deviation in Siheung for October November Over Time. 68
Figure 20. Wind rose in Siheung during October and November. 72
Figure 21. Hourly average PM₂.₅ mass concentration, standard deviation, and meteorological factors in Siheung during October and November. 73
Figure 22. Areas divided by direction based on Area A. The green line represents the observation area. 75
Figure 23. Standard Deviation Graph Demonstrating Uniformity of Particulate Matter Distribution in Calm Wind Conditions. 77
Figure 24. Standard Deviation Graph Demonstrating the Diffusion of Particulate Matter under Westerly Wind Conditions. 78
Figure 25. Standard Deviation Graph Demonstrating the Diffusion of Particulate Matter under Northerly Wind Conditions. 79
Figure 26. Standard Deviation Graph Demonstrating the Diffusion of Particulate Matter under Southerly Wind Conditions. 80
Figure 27. Comparison of particulate matter concentrations in Area A and the AirKorea standard during periods with PM₂.₅ concentration less than or equal to 35 μg/m³. 82