Measuring and Quantifying Impacts of Environmental Parameters on Airborne Particulate Matter in Under-Viaducts Spaces in Wuhan, China

Lihua Yin, Tian Hang, Fanfan Qin, Xueting Lin and Yiwen Han
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Lihua Yin: Department of Landscape Architecture, School of Architecture and Urban Planning, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Wuhan 430074, China
Tian Hang: Department of Landscape Architecture, School of Architecture and Urban Planning, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Wuhan 430074, China
Fanfan Qin: Department of Landscape Architecture, School of Architecture and Urban Planning, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Wuhan 430074, China
Xueting Lin: Department of Landscape Architecture, School of Architecture and Urban Planning, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Wuhan 430074, China
Yiwen Han: Department of Landscape Architecture, School of Architecture and Urban Planning, Huazhong University of Science & Technology, No. 1037 Luoyu Road, Wuhan 430074, China

IJERPH, 2021, vol. 18, issue 10, 1-19

Abstract: Particulate pollution caused by urban traffic emissions has become a significant public hazard. Many urban roads of under-viaduct spaces (UVSs) have become concentrated areas of particulate pollution. This study aims to explore the effects of landscape parameters on particulate matter in UVSs in Wuhan, China. We selected 14 types of UVS sections and nine potential environmental parameters to monitor four types of particulate matter (PM 1.0 , PM 2.5 , PM 10 , and TSP). Finally, linear regression analysis was employed to quantify the relative contributions of environmental parameters to the reduction in the concentration of the four types of particulate matter in the summer and winter. The results showed that particulate matter concentrations exhibit spatial and seasonal differences in UVSs. A single landscape parameter was correlated with particulate matter concentration, while compound environmental parameters had significant effects on the particulate matter concentration in UVSs. Meteorological factors and greening structures had a dominant impact on the particulate matter concentrations in summer and winter, respectively. Therefore, adjusting and optimizing the environmental parameters could reduce particulate pollution in UVSs and could have practical significance for the planning and design of UVSs.

Keywords: under-viaducts space; particulate matter; environmental parameters; Wuhan city (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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