Urban surface temperature behaviour and heat island effect in a tropical planned city

Ahmed, AQ, Ossen, DR, Jamei, E, Manaf, NA, Said, I and Ahmad, MH 2015, Urban surface temperature behaviour and heat island effect in a tropical planned city, Theoretical and applied climatology, vol. 119, no. 3-4, pp. 493-515, doi: 10.1007/s00704-014-1122-2.

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Title Urban surface temperature behaviour and heat island effect in a tropical planned city
Author(s) Ahmed, AQ
Ossen, DR
Jamei, E
Manaf, NA
Said, I
Ahmad, MH
Journal name Theoretical and applied climatology
Volume number 119
Issue number 3-4
Start page 493
End page 515
Total pages 22
Publisher Springer Wien
Place of publication Vienna, Austria
Publication date 2015-02-01
ISSN 0177-798X
Keyword(s) surface temperature
heat island effect
Summary  Putrajaya is a model city planned with concepts of a "city in the garden" and an "intelligent city" in the tropics. This study presents the behaviour of the surface temperature and the heat island effect of Putrajaya. Findings show that heat island intensity is 2 °C on average at nighttime and negligible at daytime. But high surface temperature values were recorded at the main boulevard due to direct solar radiation incident, street orientation in the direction of northeast and southwest and low building height-to-street width ratio. Buildings facing each other had cooling effect on surfaces during the morning and evening hours; conversely, they had a warming effect at noon. Clustered trees along the street are effective in reducing the surface temperature compared to scattered and isolated trees. Surface temperature of built up areas was highest at noon, while walls and sidewalks facing northwest were hottest later in the day. Walls and sidewalks that face northwest were warmer than those that face southeast. The surface temperatures of the horizontal street surfaces and of vertical façades are at acceptable levels relative to the surface temperature of similar surfaces in mature cities in subtropical, temperate and Mediterranean climates. © 2014 Springer-Verlag Wien.
Language eng
DOI 10.1007/s00704-014-1122-2
Field of Research 129999 Built Environment and Design not elsewhere classified
Socio Economic Objective 970112 Expanding Knowledge in Built Environment and Design
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30067919

Document type: Journal Article
Collection: School of Architecture and Built Environment
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