A combined assessment of air and noise pollution on the High Line,New York City |
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| Institution: | 1. Acoustics Program and Lab, Department of Mechanical Engineering, University of Hartford, USA;2. Department of Civil, Structural & Environmental Engineering, Trinity College Dublin, Ireland;1. Department of Environmental Engineering and Science, Feng Chia University, Taichung, Taiwan;2. Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan;3. School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan;4. Department of Occupational Safety and Health, College of Public Health, China Medical University, Taichung, Taiwan;5. School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan;6. Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan;7. Department of Pharmacy, College of Pharmacy, China Medical University, Taichung, Taiwan;8. Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan;1. Department of Energy and Environmental System Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-Gu, Seoul 130-743, Republic of Korea;2. Department of Urban Administration, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-Gu, Seoul 130-743, Republic of Korea;3. Department of Urban Planning and Environmental Policy, Texas Southern University, 3100 Cleburne St, Houston, TX, USA;4. Department of Environmental Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-Gu, Seoul 130-743, Republic of Korea;1. School of Planning and Architecture, Vijayawada, India;2. Department of Architecture, SRM University, Chennai, India |
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| Abstract: | The High Line is an elevated public park in New York City, transformed from an unused freight rail line. Pedestrians walking through Manhattan’s West Side can walk either on the High Line or on a footpath below. Using Manhattan as a laboratory, this paper offers a combined assessment of noise and particulate matter pollution for its pedestrians. Noise and PM2.5 levels were recorded simultaneously for two cases (i) pedestrians walking on a footpath alongside road traffic and (ii) pedestrians walking on the elevated High Line. Testing took places over three days in autumn 2014. Results were analysed to investigate if pedestrians using the High Line would have a lower pollution exposure to those using the footpath below. Results showed statistically significant differences between the upper and lower levels in exposure to both pollution types. In order to quantify the overall impact, results are expressed through a combined air–noise pollution index. This index indicates that the average reduction in PM2.5 and noise pollution along the High Line compared to the footpath below is approximately 37%. |
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| Keywords: | Pedestrian exposure Urban planning and design Particulate matter Environmental noise |
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