Differences in urban heat island and its driving factors between central and new urban areas of Wuhan, China

Chen, Xie, Zhang, Shicong, Tian, Zhiyong, Luo, Yongqiang, Deng, Jie ORCID: https://orcid.org/0000-0001-6896-8622 and Fan, Jianhua (2023) Differences in urban heat island and its driving factors between central and new urban areas of Wuhan, China. Environmental Science and Pollution Research. ISSN 0944-1344

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Chen_et_al_2023_Environ_Sci_Pollut_Res._Differences_in_urban_heat_island_and_its_driving_factors_between_central_and_new_urban_areas_of_Wuhan,_China.pdf - Accepted Version

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Urban heat island (UHI) is one of the important effects of urbanization on built environment. Land surface temperature data was taken from moderate-resolution imaging spectroradiometer (MODIS) to investigate the long-term spatiotemporal patterns of UHI in Wuhan during 2001~2018 and, the UHI intensity changes of built-up land in 13 administrative regions in Wuhan were analyzed. Furthermore, 34 spatial error models and 34 ordinary least squares models were established and compared. Spatial error models showed good fitting effect, which were used to determine the influence of normalized difference vegetation index (NDVI), normalized difference building index (NDBI), and social–economic factors (population and nighttime light) on UHI intensity in central urban area and new urban area. The explanatory power changes of these four indicators during 2001~2018 were explored as well. The average UHI intensity in 2014~2018 has increased by about 0.45 °C compared to that in 2001~2005. NDBI is the most dominant factor contributing to the increase in temperature. The impact of NDVI on UHI intensity changes from negative to positive, and the impact of NDBI on UHI intensity in central urban area is weakened during 2001–2018. Social–economic factors have a greater impact on new urban area than on central urban area. These findings show the effects and the explanatory power changes of driving factors during 18 years, which can provide a better understanding of the formation and development of UHI and support for the future urban planning of Wuhan.

Item Type: Article
Identifier: 10.1007/s11356-023-26673-3
Additional Information: This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s11356-023-26673-3
Keywords: Urban heat island, Land surface temperature, Spatial autocorrelation, Spatial error model
Subjects: Construction and engineering > Civil and environmental engineering
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Depositing User: Jie Deng
Date Deposited: 29 Mar 2023 20:57
Last Modified: 28 Mar 2024 02:45
URI: https://repository.uwl.ac.uk/id/eprint/9885


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