Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City

The climate of arid regions poses considerable challenges to thermal comfort, necessitating effective mitigation strategies. Urban parks play a crucial role in regulating microclimates and alleviating the urban heat island effect. This study employs the ENVI-met model to evaluate the influence of pa...

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Main Authors: Jie Li, Zhao Zhao, Hong Chen, Zongchi Fu
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:Case Studies in Thermal Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214157X25004563
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author Jie Li
Zhao Zhao
Hong Chen
Zongchi Fu
author_facet Jie Li
Zhao Zhao
Hong Chen
Zongchi Fu
author_sort Jie Li
collection DOAJ
description The climate of arid regions poses considerable challenges to thermal comfort, necessitating effective mitigation strategies. Urban parks play a crucial role in regulating microclimates and alleviating the urban heat island effect. This study employs the ENVI-met model to evaluate the influence of park landscape configurations on outdoor microclimates and thermal comfort. The findings indicate that greening, water coverage, and topography exhibit a strong negative correlation with PET (r = −0.9), thereby significantly enhancing both the microclimate and thermal comfort of parks and their surrounding areas. An increase in green coverage was found to reduce the maximum PET by 0.64 °C; however, excessive tree density hindered nighttime ventilation. Expanding water coverage from 10 % to 40 % lowered daytime PET from ‘very hot’ (>41 °C) to ‘hot’ (35–41 °C), although it led to a rise in nighttime PET. Trees provide better microclimate improvement than water bodies. Additionally, the most pronounced reduction in PET (0.11 °C) was observed on slopes within the 0–5° range, with a diminishing effect at steeper inclinations. Consequently, park design in arid regions should carefully regulate tree spacing, water body dimensions, and slope gradients, incorporating additional tree cover along extended slopes to optimize thermal comfort. This study provides empirical evidence to support the sustainable development of parks in arid regions such as Xinjiang, enhancing both park environments and their adjacent urban areas while improving overall livability for residents.
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series Case Studies in Thermal Engineering
spelling doaj-art-1cbbee3b7b5048adb7eff07218f7d65f2025-08-20T03:55:17ZengElsevierCase Studies in Thermal Engineering2214-157X2025-07-017110619610.1016/j.csite.2025.106196Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi CityJie Li0Zhao Zhao1Hong Chen2Zongchi Fu3College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi, 832003, ChinaCollege of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi, 832003, ChinaCollege of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi, 832003, China; School of Architecture and Urban Planning, HUST, Wuhan, 430072, China; Corresponding author. College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832003, China.Agricultural College of Shihezi University, Shihezi, 832003, ChinaThe climate of arid regions poses considerable challenges to thermal comfort, necessitating effective mitigation strategies. Urban parks play a crucial role in regulating microclimates and alleviating the urban heat island effect. This study employs the ENVI-met model to evaluate the influence of park landscape configurations on outdoor microclimates and thermal comfort. The findings indicate that greening, water coverage, and topography exhibit a strong negative correlation with PET (r = −0.9), thereby significantly enhancing both the microclimate and thermal comfort of parks and their surrounding areas. An increase in green coverage was found to reduce the maximum PET by 0.64 °C; however, excessive tree density hindered nighttime ventilation. Expanding water coverage from 10 % to 40 % lowered daytime PET from ‘very hot’ (>41 °C) to ‘hot’ (35–41 °C), although it led to a rise in nighttime PET. Trees provide better microclimate improvement than water bodies. Additionally, the most pronounced reduction in PET (0.11 °C) was observed on slopes within the 0–5° range, with a diminishing effect at steeper inclinations. Consequently, park design in arid regions should carefully regulate tree spacing, water body dimensions, and slope gradients, incorporating additional tree cover along extended slopes to optimize thermal comfort. This study provides empirical evidence to support the sustainable development of parks in arid regions such as Xinjiang, enhancing both park environments and their adjacent urban areas while improving overall livability for residents.http://www.sciencedirect.com/science/article/pii/S2214157X25004563Urban parksLandscape configurationArid regionsThermal comfortMicroclimateEnvi-met
spellingShingle Jie Li
Zhao Zhao
Hong Chen
Zongchi Fu
Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
Case Studies in Thermal Engineering
Urban parks
Landscape configuration
Arid regions
Thermal comfort
Microclimate
Envi-met
title Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
title_full Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
title_fullStr Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
title_full_unstemmed Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
title_short Study on the microclimate and thermal comfort of urban parks under arid climate conditions: A case study of Shihezi City
title_sort study on the microclimate and thermal comfort of urban parks under arid climate conditions a case study of shihezi city
topic Urban parks
Landscape configuration
Arid regions
Thermal comfort
Microclimate
Envi-met
url http://www.sciencedirect.com/science/article/pii/S2214157X25004563
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AT hongchen studyonthemicroclimateandthermalcomfortofurbanparksunderaridclimateconditionsacasestudyofshihezicity
AT zongchifu studyonthemicroclimateandthermalcomfortofurbanparksunderaridclimateconditionsacasestudyofshihezicity