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Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours

In China, severe haze is a major public health concern affecting residents' health and well-being. This study used hourly air quality monitoring data from 285 cities in China to analyze the effect of green coverage (GC) and other economic variables on the incremental PM(2.5) concentration (ΔPM(...

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Detalles Bibliográficos
Autores principales: Wang, Shaogu, Cheng, Shunqi, Qi, Xinhua
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7701305/
https://www.ncbi.nlm.nih.gov/pubmed/33304872
http://dx.doi.org/10.3389/fpubh.2020.551300
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author Wang, Shaogu
Cheng, Shunqi
Qi, Xinhua
author_facet Wang, Shaogu
Cheng, Shunqi
Qi, Xinhua
author_sort Wang, Shaogu
collection PubMed
description In China, severe haze is a major public health concern affecting residents' health and well-being. This study used hourly air quality monitoring data from 285 cities in China to analyze the effect of green coverage (GC) and other economic variables on the incremental PM(2.5) concentration (ΔPM(2.5)) during peak hours. To detect possible non-linear and interaction effect between predictive variables, a kernel-based regularized least squares (KRLS) model was used for empirical analysis. The results show that there was considerable heterogeneity between cities regarding marginal effect of GC on ΔPM(2.5), which could potentially be explained by different seasons, latitude, urban maintenance expenditure (UE), real GDP per capita (PG), and population density (PD). Also described in this study, in cities with high UE, the growth of GC, PG, and PD always remain a positive impact on mitigation of haze pollution. This shows that government expenditure on urban maintenance can reduce or mitigate the environmental pollution from economic development. In addition, the influence of other urban elements on air quality had also been analyzed so that different combinations of mitigation policies are proposed for different regions in this study to meet the mitigation targets.
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spelling pubmed-77013052020-12-09 Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours Wang, Shaogu Cheng, Shunqi Qi, Xinhua Front Public Health Public Health In China, severe haze is a major public health concern affecting residents' health and well-being. This study used hourly air quality monitoring data from 285 cities in China to analyze the effect of green coverage (GC) and other economic variables on the incremental PM(2.5) concentration (ΔPM(2.5)) during peak hours. To detect possible non-linear and interaction effect between predictive variables, a kernel-based regularized least squares (KRLS) model was used for empirical analysis. The results show that there was considerable heterogeneity between cities regarding marginal effect of GC on ΔPM(2.5), which could potentially be explained by different seasons, latitude, urban maintenance expenditure (UE), real GDP per capita (PG), and population density (PD). Also described in this study, in cities with high UE, the growth of GC, PG, and PD always remain a positive impact on mitigation of haze pollution. This shows that government expenditure on urban maintenance can reduce or mitigate the environmental pollution from economic development. In addition, the influence of other urban elements on air quality had also been analyzed so that different combinations of mitigation policies are proposed for different regions in this study to meet the mitigation targets. Frontiers Media S.A. 2020-11-16 /pmc/articles/PMC7701305/ /pubmed/33304872 http://dx.doi.org/10.3389/fpubh.2020.551300 Text en Copyright © 2020 Wang, Cheng and Qi. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Public Health
Wang, Shaogu
Cheng, Shunqi
Qi, Xinhua
Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title_full Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title_fullStr Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title_full_unstemmed Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title_short Effect of Urban Greening on Incremental PM(2.5) Concentration During Peak Hours
title_sort effect of urban greening on incremental pm(2.5) concentration during peak hours
topic Public Health
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7701305/
https://www.ncbi.nlm.nih.gov/pubmed/33304872
http://dx.doi.org/10.3389/fpubh.2020.551300
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