Research progress on the effects of urban road green space on dispersion of local air pollutant

doi:10.13287/j.1001-9332.202101.015

Abstract

Abstract: In recent years, the research on the effects of urban road green space on local pollutant dispersion has been quite active, with mounting empirical results. Due to the lack of summary and arrangement, however, it is difficult to effectively guide the practice of urban green space construction. In this review, the road and green belt research objects were classified. Based on two common methods of field measurement and numerical simulation, the pollutant concentration index, vegetation characters and other influencing factors involved in relevant research were systematically reviewed. The effects of road green space on dispersion of local pollution were summarized. Future research should be strengthened in the aspects of expanding research objects, comprehensively considering multiple ecological processes, integrating two basic methods, and improving the accuracy and richness of data.

Key words: road, street canyon, dispersion, numerical simulation, field measurement, pollutant concentration, vegetation character

HU Yang, MA Ke-ming. Research progress on the effects of urban road green space on dispersion of local air pollutant[J]. Chinese Journal of Applied Ecology, 2021, 32(1): 349-357.

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