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|Title: ||Urban heat island intensity in London: an investigation of the impact of physical characteristics on changes in outdoor air temperature during summer|
|Authors: ||Kolokotroni, Maria|
|Issue Date: ||2008|
|Publisher: ||© Elsevier|
|Citation: ||KOLOKOTRONI, M. and GIRIDHARAN, R., 2008. Urban heat island intensity in London: an investigation of the impact of physical characteristics on changes in outdoor air temperature during summer. Solar Energy, 82 (11), pp. 986-998.|
|Abstract: ||The study looks at the potential of physical characteristics in mitigating the urban heat island intensity (UHI) in London during summer.
This research uses six on-site variables namely aspect ratio, surface albedo, plan density ratio, green density ratio, fabric density
ratio and thermal mass for the investigation in six data sets. The climatic variations in summer are controlled by classifying the data
into clear sky, partially cloudy and cloudy periods. Geographical variation is controlled by classifying the data into core, urban and semi
urban areas. Maximum daytime UHI of 8.9 C is found in semi-urban area during partially cloudy period while maximum nocturnal
UHI of 8.6 C is found in urban area during clear sky period when the wind velocity is below 5 m/s. The most critical climate and geographical
location in determining the changes in outdoor air temperature in London are partially cloudy periods and urban areas respectively.
Among the variables studied, most critical variable that determines the daytime and nocturnal changes in outdoor air temperature
is surface albedo.|
|Description: ||This article is closed access. It was published in the journal, Solar Energy [© Elsevier] and the definitive version is available at: www.elsevier.com/locate/solener|
|Version: ||Closed access|
|Appears in Collections:||Closed Access (Architecture, Building and Civil Engineering)|
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