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author:

Huang, Ziyi (Huang, Ziyi.) [1] | Luo, Tao (Luo, Tao.) [2] (Scholars:罗涛) | Liu, Jiemin (Liu, Jiemin.) [3] (Scholars:刘洁敏) | Qiu, Yao (Qiu, Yao.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

The combination of global climate change and the urban heat island effect has given rise to a deterioration in the livability of residential districts within cities, posing challenges to enhancing the health quality of urban environments. Meanwhile, the intensification of daytime changes in temperature and humidity in residential districts has rendered the sensory representation of the urban heat island effect more pronounced. This study selects the residential districts in Fuzhou City as the research case area, which have witnessed a discernible warming trend in recent years, and acquires temperature and humidity parameter data at three time periods (early morning, noon, and evening) to represent the daytime temperature and humidity change phase. Through aerial photography and field research, three types of spatial morphological indicators (buildings I, vegetation II, and the combination of buildings and vegetation II) of residential districts are quantified to represent the three-dimensional spatial form of the case study area. The analysis results show the following: (1) Residential districts experience two phases of daytime changes in temperature and humidity: a warming and drying phase (WDP) in the morning and a cooling and humidifying phase (CHP) in the afternoon. The characteristics of changes in temperature and humidity show a spatial correlation with each other. (2) The impact of urban three-dimensional morphology on changes in temperature and humidity in WDP is minor, whereas, in CHP, it is influenced by Class II and Class III indicators. The two types of urban morphology exert a synergistic regulatory effect on changes in temperature and humidity. (3) Vegetation has a significant regulatory effect on temperature and humidity variations in residential areas through changes in its three-dimensional form. Enlarging the area of individual trees while reducing their canopy volume can restrain the warming and dehumidification of residential districts and promote cooling and humidification. In contrast to only planting trees, a vegetation configuration combining trees, shrubs, and grass can bring a more obvious cooling effect to residential districts. The research results can provide a reference for urban planners in the planning and design of residential areas as well as the optimization and improvement of urban living environments.

Keyword:

changes in temperature and humidity climate change heat island effect residential area three-dimensional form

Community:

  • [ 1 ] [Huang, Ziyi]Fuzhou Univ, Sch Architecture & Urban Rural Planning, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Luo, Tao]Fuzhou Univ, Sch Architecture & Urban Rural Planning, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Liu, Jiemin]Fuzhou Univ, Sch Architecture & Urban Rural Planning, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Huang, Ziyi]Fujian Key Lab Digital Technol Terr Space Anal & S, Fuzhou 350108, Peoples R China
  • [ 5 ] [Luo, Tao]Fujian Key Lab Digital Technol Terr Space Anal & S, Fuzhou 350108, Peoples R China
  • [ 6 ] [Qiu, Yao]Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R China
  • [ 7 ] [Qiu, Yao]Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Reprint 's Address:

  • 刘洁敏

    [Liu, Jiemin]Fuzhou Univ, Sch Architecture & Urban Rural Planning, Fuzhou 350108, Fujian, Peoples R China

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Source :

BUILDINGS

Year: 2025

Issue: 3

Volume: 15

3 . 1 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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