Detection of spatial-temporal variations in forest canopy surface temperature in response to urbanization: a case study from Longyan, China

Zhifeng Wu, Wang Man and Yin Ren

Journal of Environmental Planning and Management, 2020, vol. 63, issue 7, 1283-1300

Abstract: Urban forests are fundamental components of localized surface energy budgets. Understanding the factors controlling urban forest surface temperatures (UFSTs) should be helpful in mitigating the negative effects of urbanization on urban energy budgets. This study aimed to identify the factors controlling the spatial-temporal pattern of UFSTs by utilizing a variety of data layers and spatial statistical analysis methods. Our results showed that UFST values become more spatially heterogeneous as urbanization progresses. Elevation and degree of slope were the main factors explaining the increase in spatial heterogeneity. Human activities were also significantly related to variations in UFST. Interactions between human activities and almost all environmental factors were related to higher UFST values. Therefore, human activity directly impacts on the spatial heterogeneity of UFST and indirectly affects variations in landscape patterns. Human activities compatible with ecologically sustainable development should be considered for mitigating the deterioration of urban thermal environments.

Date: 2020
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DOI: 10.1080/09640568.2019.1661227

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