Vertical variability of volatile organic compound (VOC) levels in ambient air of high-rise apartment buildings with and without occurrence of surface inversion |
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| Affiliation: | 1. Institute of Railway Vehicle Reliability and Safety, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China;2. China Academy of Railway Sciences, Beijing 100081, China;1. College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China;2. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China;3. Electric Bus R&D Center of BYD Commercial Vehicle R&D Institute, Shenzhen 518118, China;4. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China;1. Department of Chemistry, C.M.S.College, Kottayam, 686001, Kerala, India;2. Renewable and Sustainable Energy Institute, University of Colorado, Boulder, Colorado, 80309, USA;3. LB3, Competence Centre in Exact Science and Engineering, University of Madeira, 9000-390, Funchal, Portugal;4. CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, 4450-208, Matosinhos, Portugal;5. Department of Surface Engineering and Optoelectronics, Jozef Stefan Institute, Jamova cesta 39, 1000, Ljubljana, Slovenia;6. University of Maribor, Faculty of Mechanical Engineering, 2000, Maribor, Slovenia;7. Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000, Ljubljana, Slovenia;8. International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, 686560, Kerala, India;1. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China;2. Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science and Technology, Nanjing, China;3. Institute of Tropical and Marine Meteorology, China Meteorological Administration, Guangzhou, China;4. Suzhou Environment Monitor Center, Suzhou, China |
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| Abstract: | If there are potential vertical variations in ambient air pollution concentrations, these should be considered when evaluating the exposure of residents living in high-rise apartment buildings. Accordingly, the current study examined this assertion for VOC, while also assessing the potential influence of the atmospheric stability and sampling period on the exposure level of apartment residents. Thirty apartment buildings with 10 or more stories were surveyed in both winter and summer. The atmospheric stability and sampling period were both found to have a potential influence on the variation in the ambient concentrations according to the floor level in the high-rise apartment buildings. Consequently, the current findings emphasize the need to consider these factors in the vertical variation of urban air pollutants when evaluating the exposure of high-rise apartment residents. Moreover, the ambient concentrations of all the target compounds were significantly higher in the winter than in the summer for both the low and high floors. The proportions for the low floors were similar to those for the high floors, plus significant correlations between the target compounds were exhibited for both the low and high floors. |
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