Relationship between air pollution purification and forest belt width of the Shanghai green belt in the summer season

WANG Xiaoling; SONG Kun; LE Ying; CHEN Jing; JIANG Hao; ZHANG Yongjia; GONG Heyi; WANG Zifei; DING Yi; SHI Tianhui; DA Liangjun

doi:10.3969/j.issn.1000-5641.2021.03.013

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May 2021

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Article Navigation > Journal of East China Normal University (Natural Sciences) > 2021 > (3): 128-137

WANG Xiaoling, SONG Kun, LE Ying, CHEN Jing, JIANG Hao, ZHANG Yongjia, GONG Heyi, WANG Zifei, DING Yi, SHI Tianhui, DA Liangjun. Relationship between air pollution purification and forest belt width of the Shanghai green belt in the summer season[J]. Journal of East China Normal University (Natural Sciences), 2021, (3): 128-137. doi: 10.3969/j.issn.1000-5641.2021.03.013

Citation:

WANG Xiaoling, SONG Kun, LE Ying, CHEN Jing, JIANG Hao, ZHANG Yongjia, GONG Heyi, WANG Zifei, DING Yi, SHI Tianhui, DA Liangjun. Relationship between air pollution purification and forest belt width of the Shanghai green belt in the summer season[J]. Journal of East China Normal University (Natural Sciences), 2021, (3): 128-137. doi: 10.3969/j.issn.1000-5641.2021.03.013

Citation:

WANG Xiaoling, SONG Kun, LE Ying, CHEN Jing, JIANG Hao, ZHANG Yongjia, GONG Heyi, WANG Zifei, DING Yi, SHI Tianhui, DA Liangjun. Relationship between air pollution purification and forest belt width of the Shanghai green belt in the summer season[J]. Journal of East China Normal University (Natural Sciences), 2021, (3): 128-137. doi: 10.3969/j.issn.1000-5641.2021.03.013

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Relationship between air pollution purification and forest belt width of the Shanghai green belt in the summer season

doi: 10.3969/j.issn.1000-5641.2021.03.013

1.
School of Ecological and Environmental Sciences, East China Normal University, Shanghai　200241, China
2.
Shanghai Public Green Space Construction Affairs Center, Shanghai　201199, China

Received Date: 2020-05-29
Available Online: 2021-07-27
Publish Date: 2021-05-01

Abstract

Abstract

In this study, ground-level air pollutants (i.e., particulate matter (PM), NO₂, and CO) were monitored at two transects of an urban-road-green-belt of Shanghai for one month during the summer season. Four monitoring sites at 100m intervals were set along each transect from the road to the inside. The air pollution was evaluated for each site based on China’s national standard, and the variation in air pollution purification ability (i.e., removal percentage) was compared among sites with different distances to the road. The effects of meteorological condition and pollution background on maximum removal percentage of each air pollutant were evaluated by multiple regression analysis. The results showed that the green belt greatly contributed to reducing PM_2.5, PM₁₀, and NO₂; however, the green belt also produced a cumulative effect on CO generation within its boundaries. The green belt had the greatest air pollution purification performance at sites with 300m distance to the road for most pollutants in both transects. The maximum removal percentages of PM_2.5 and PM₁₀ were correlated to air humidity difference and air temperature difference between outer and inner of forests mostly, while the maximum removal percentages of NO₂ were correlated to the pollution background and maximum removal percentages of CO were correlated to air temperature difference. The results can provide a theoretical foundation for forest transform and arrangement aimed at air pollution purification in the green belt.
- Shanghai green belt,
- air pollution,
- forest belt width,
- urban forest,
- ecological benefits

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References(38)

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