Assessment of Outdoor Air Temperature with Different Shaded Area within an Urban University Campus in Hot-Humid Climate

Sheikh Ahmad Zaki, Siti Wan Syahidah, Mohd Fairuz Shahidan, Mardiana Idayu Ahmad, Fitri Yakub, Mohamad Zaki Hassan and Mohd Yusof Md Daud
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Sheikh Ahmad Zaki: Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Kuala Lumpur 54100, Malaysia
Siti Wan Syahidah: Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Kuala Lumpur 54100, Malaysia
Mohd Fairuz Shahidan: Faculty of Design and Architecture, Universiti Putra Malaysia, Serdang 43400, Malaysia
Mardiana Idayu Ahmad: Environmental Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
Fitri Yakub: Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Kuala Lumpur 54100, Malaysia
Mohamad Zaki Hassan: Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Jalan Semarak, Kuala Lumpur 54100, Malaysia
Mohd Yusof Md Daud: Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Jalan Semarak, Kuala Lumpur 54100, Malaysia

Sustainability, 2020, vol. 12, issue 14, 1-24

Abstract: This study investigated the variation of outdoor air temperature in the shaded area covered by buildings in an urban university campus in Malaysia. In-situ field measurements were conducted to measure the distribution of outdoor air temperature at eight different locations for seven days. Meanwhile, the building-induced shadows were generated using the AutoCAD Revit software to investigate the air temperature change. The study used four urban morphological parameters namely building to greenery ratio, sky view factor (SVF), and height-to-street width ( H / W ) ratio. The relationship between building-induced shadow and outdoor air temperature ( T out ) obtained from the in-situ measurement was investigated. The results showed that the building-induced shadows could lower air temperature. It can be noted that a high ratio of building to greenery resulted in a higher air temperature. In contrast, the area with a low SVF value due to the combination of prolonged shading by buildings and trees had a lower air temperature. Thus, the area with a high building ratio, low greenery ratio, higher SVF value, and low H / W ratio potentially has a higher outdoor air temperature. Conclusively, combination of building shading created by appropriate ratio of building morphology and sufficient greenery able to improve the microclimate of a campus area.

Keywords: microclimate; building morphology; university campus; building-induced shadow; field measurement (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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