Do urban functional zones affect land surface temperature differently? A case study of Beijing, China

Yuning Feng, Shihong Du, Soe Myint, Mi Shu

Research output: Contribution to journalArticle

Abstract

The non-uniformity of the relationships between urban temperature and landscape has attracted board attention. The non-uniformity in urban areas is reflected in the spatial landscape's heterogeneity and the difference of socio-economic functions. The former is shown as the spatial differentiation of land-cover, land-use, landscape composition, and configuration, while the latter leads to the difference of the intensity of human activities and population density, which are closely related with anthropogenic heat emission. Therefore, this study introduces urban functional zones (UFZs) to express urban spatial heterogeneity. This study also attempts to comprehend urban heat island (UHI) effects and discloses the variability of urban surface temperature (LST)-landscape relationships in different kinds of UFZs. There are two main technical difficulties-how to characterize the spatial heterogeneity of UFZs and how to quantify non-uniform LST effects. A three-level variable system is established from their attributes, inner structures, and interrelationships to characterize UFZs and their LST effects hierarchically. Considering the multi-collinearity among high-dimensional variables, the Elastic Net regression method is selected for quantitative analysis. The experimental results reveal the deficiency of uniform LST analysis for heterogeneous urban areas and verify the variable relationships of LST-landscaped with different kinds of UFZs.

Original languageEnglish (US)
Article number1802
JournalRemote Sensing
Volume11
Issue number15
DOIs
StatePublished - Aug 1 2019

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land surface
surface temperature
urban area
heat island
quantitative analysis
population density
land cover
human activity
land use
effect
temperature

Keywords

  • Urban functional zones
  • Urban heat island
  • Urban spatial heterogeneity
  • Variability of LST-landscape relationships

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Do urban functional zones affect land surface temperature differently? A case study of Beijing, China. / Feng, Yuning; Du, Shihong; Myint, Soe; Shu, Mi.

In: Remote Sensing, Vol. 11, No. 15, 1802, 01.08.2019.

Research output: Contribution to journalArticle

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