Open AccessUrban heat island in Bloemfontein during winter
Author(s) -
Pieter Snyman,
A. Stephen Steyn
Publication year - 2013
Publication title -
suid-afrikaanse tydskrif vir natuurwetenskap en tegnologie
Language(s) - English
Resource type - Journals
eISSN - 2222-4173
pISSN - 0254-3486
DOI - 10.4102/satnt.v32i1.422
Subject(s) - urban heat island , intensity (physics) , air temperature , environmental science , climatology , physical geography , geography , atmospheric sciences , meteorology , geology , physics , quantum mechanics
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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