Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

Urban heat island in Bloemfontein during winter

Pieter Snyman, A. Stephen Steyn
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 32, No 1 | a422 | DOI: https://doi.org/10.4102/satnt.v32i1.422 | © 2013 Pieter Snyman, A. Stephen Steyn | This work is licensed under CC Attribution 4.0
Submitted: 25 June 2013 | Published: 08 July 2013

About the author(s)

Pieter Snyman, Department of Soil, Crop and Climatic Sciences, University of the Free State, South Africa
A. Stephen Steyn, Department of Soil, Crop and Climatic Sciences, University of the Free State, South Africa


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Abstract

Urban heat islands (UHIs) are characterised by warmer urban air temperatures compared to rural air temperatures, and the intensity is equal to the difference between the two. Air temperatures are measured at various sites across the city of Bloemfontein and then analysed to determine the UHI characteristics. The UHI is found to have a horseshoe shape and reaches a maximum intensity of 8.2 °C at 22:00. The UHI is largely affected by the local topography.

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