The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China

The relationship between urban heat island (UHI) and air pollution is worth exploring. We used land surface temperature (LST) and air quality data investigated the spatio-temporal distribution of UHI intensity (UHII) and six air pollutants of carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3),...

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Autores principales:	Yuanyuan Wang, Zhongyang Guo, Ji Han
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Urban heat island Air pollution Region difference Economic development Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/63a0466bde7842528180d93d1b1df778
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id	oai:doaj.org-article:63a0466bde7842528180d93d1b1df778
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spelling	oai:doaj.org-article:63a0466bde7842528180d93d1b1df7782021-12-01T04:57:16ZThe relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China1470-160X10.1016/j.ecolind.2021.107976https://doaj.org/article/63a0466bde7842528180d93d1b1df7782021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21006415https://doaj.org/toc/1470-160XThe relationship between urban heat island (UHI) and air pollution is worth exploring. We used land surface temperature (LST) and air quality data investigated the spatio-temporal distribution of UHI intensity (UHII) and six air pollutants of carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), fine particle matter (PM2.5), coarse particle matter (PM10) and sulfur dioxide (SO2) in the YRD during 2015–2019, and the correlation relationship between UHII and air pollutants concentration. Using regression analysis to analyze the influence of natural and human factors on the UHI and air pollutants. We found that: (1) Annual average daytime UHII was 1.20 ℃ and northern higher than southern cities. Nighttime UHII was 0.35 ℃ and southern higher than northern. Annual average CO, NO2, O3, PM2.5, PM10 and SO2 concentrations were 0.83 mg/m3, 35.41 ug/m3, 63.34 ug/m3, 44.16 ug/m3, 73.46 ug/m3, 13.86 ug/m3, respectively. Air pollution in inland cities were worse than coastal cities. (2) A significant positive correlation between daytime UHII and O3 concentration, and a negative correlation with other pollutants. (3) The influence of LST is the closest factors, followed by vegetation coverage, geographic location, elevation and economic development intensity on UHII and air pollution.Yuanyuan WangZhongyang GuoJi HanElsevierarticleUrban heat islandAir pollutionRegion differenceEconomic developmentEcologyQH540-549.5ENEcological Indicators, Vol 129, Iss , Pp 107976- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Urban heat island Air pollution Region difference Economic development Ecology QH540-549.5
spellingShingle	Urban heat island Air pollution Region difference Economic development Ecology QH540-549.5 Yuanyuan Wang Zhongyang Guo Ji Han The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
description	The relationship between urban heat island (UHI) and air pollution is worth exploring. We used land surface temperature (LST) and air quality data investigated the spatio-temporal distribution of UHI intensity (UHII) and six air pollutants of carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), fine particle matter (PM2.5), coarse particle matter (PM10) and sulfur dioxide (SO2) in the YRD during 2015–2019, and the correlation relationship between UHII and air pollutants concentration. Using regression analysis to analyze the influence of natural and human factors on the UHI and air pollutants. We found that: (1) Annual average daytime UHII was 1.20 ℃ and northern higher than southern cities. Nighttime UHII was 0.35 ℃ and southern higher than northern. Annual average CO, NO2, O3, PM2.5, PM10 and SO2 concentrations were 0.83 mg/m3, 35.41 ug/m3, 63.34 ug/m3, 44.16 ug/m3, 73.46 ug/m3, 13.86 ug/m3, respectively. Air pollution in inland cities were worse than coastal cities. (2) A significant positive correlation between daytime UHII and O3 concentration, and a negative correlation with other pollutants. (3) The influence of LST is the closest factors, followed by vegetation coverage, geographic location, elevation and economic development intensity on UHII and air pollution.
format	article
author	Yuanyuan Wang Zhongyang Guo Ji Han
author_facet	Yuanyuan Wang Zhongyang Guo Ji Han
author_sort	Yuanyuan Wang
title	The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
title_short	The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
title_full	The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
title_fullStr	The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
title_full_unstemmed	The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China
title_sort	relationship between urban heat island and air pollutants and them with influencing factors in the yangtze river delta, china
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/63a0466bde7842528180d93d1b1df778
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The relationship between urban heat island and air pollutants and them with influencing factors in the Yangtze River Delta, China

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