Urban morphology indicators and solar radiation acquisition: 2011–2022 review

Bo Liu, Yu Liu, Seigen Cho and David Hou Chi Chow

Renewable and Sustainable Energy Reviews, 2024, vol. 199, issue C

Abstract: Urban morphology directly influences the potential of solar radiation acquisition in urban areas. Urban morphology indicators play a pivotal role in the characterization of urban morphology. However, the developmental trajectory and advancements in the research of the correlation of urban morphology indicators with solar radiation acquisition have not been thoroughly elucidated. A retrospective analysis of 258 relevant studies have been published from 2011 to 2022, which was performed by using statistical methods. Aspects such as research objects, content, tools, methods, urban morphology indicators, relationship of solar radiation acquisition, and conclusions were then reviewed. The aim was to provide a foundational support for further research development. The results indicated a consistent research path, with many studies exploring the relationship between specific urban morphology indicators and solar radiation acquisition through theoretical simulations and correlation analyses. A total of 111 urban morphology indicators were identified from finished studies, among which 50, 34, and 27 showed positive, negative, and no correlation with solar radiation acquisition, respectively. Among the 13 commonly used urban morphology indicators, building density, plot ratio, street canyon aspect ratio, verticality, and building height difference showed a significant negative correlation with solar radiation acquisition while building height, shape factor, window-to-wall ratio, building interval, building height variation, and sky view factor showed a significant positive correlation. Different boundary conditions led to differences in research conclusions. In addition, there was a possibility for a mutual substitution between some highly correlated urban morphology indicators.

Keywords: Review; Urban morphology indicator; Solar radiation acquisition; Building energy consumption; Outdoor thermal comfort (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.rser.2024.114548

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