Abstract
Fine particulate matter (PM2.5) is the major air pollutant in China, leading serious threats to human health. Urban construction land spatial form controls the overall aerodynamic roughness of a city, and effects PM2.5 dispersion through wind speed, resulting in PM2.5 concentration uneven spatial distribution. We establish urban construction land use form-PM2.5 dispersion modeling based on Garratt Formula and FLOWSTAR model theoretically, then we use the measured data of the Xuzhou in the winter to verify the model and prove our hypothesis. The PM2.5 concentration that we acquire in Xuzhou is decreasing from the center of the city and the figure of PM2.5 concentration fits the model. This thesis intends to demonstrate that urban construction land spatial form is an important factor effecting the PM2.5 dispersion, and explores the reasonable model to explain it, providing recommendations for urban planning, especially in urban renewal and urban expansion.
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Acknowledgements
We thank Institute of Land Science and Real Estate, Zhejiang University and School of Environment Science and Spatial Informatics, China University of Mining and Technology.
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Xia, C., Ye, Y., Zhang, S., Liu, J. (2017). Effects of Urban Construction Land Spatial Form on PM2.5 Dispersion. In: Wu, Y., Zheng, S., Luo, J., Wang, W., Mo, Z., Shan, L. (eds) Proceedings of the 20th International Symposium on Advancement of Construction Management and Real Estate. Springer, Singapore. https://doi.org/10.1007/978-981-10-0855-9_18
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DOI: https://doi.org/10.1007/978-981-10-0855-9_18
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