Cooling effect of urban small green spaces in Qujiang Campus, Xi’an Jiaotong University, China

Wei Feng, Wei Ding, Meng Zhen (), Weihan Zou and Haifeng Wang
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Wei Feng: Xi’an Jiaotong University
Wei Ding: Huazhong University of Science and Technology
Meng Zhen: Xi’an Jiaotong University
Weihan Zou: Xi’an Jiaotong University
Haifeng Wang: Shaanxi Institute of Urban and Rural Planning and Design

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2022, vol. 24, issue 3, No 55, 4278-4298

Abstract: Abstract The contradiction between the shortage of urban land and the demand for urban green space needs to be solved reasonably. Different from urban parks, the cooling effect of small green space (SGs) has not been paid enough attention or fully evaluated. The major objective of this research was to explore the cooling and energy saving benefits of SGs with administrative units. The ENVI-met and EnergyPlus models were built based on field measurements on the green space of Xi’an Jiaotong University Qujiang Campus. Field measurement shows that the closer an area to the green space, the lower the air temperature and the higher the relative humidity, especially in the daytime. The ENVI-met results showed that the SGs can reduce the temperature by 0.66 °C within the range of 1260 m × 1350 m compared with the building scene at noon, the EnergyPlus simulation results showed that the building 100 m away from the SGs can reduce the air conditioning energy consumption by 2.1% compared with the distance of 150 m. The research can improve the planning and design standards of urban green space, clarify the cooling and energy saving benefits of SGs, and promote the ecological urban design.

Keywords: Urban microclimate; Small green space; Thermal environment; Building energy consumption; Cold region (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s10668-021-01615-6

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