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n Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie - Bloemfontein se stedelike hitte-eiland gedurende die winter : referaatopsomming

Volume 32, Issue 1
  • ISSN : 0254-3486
  • E-ISSN: 2222-4173
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Abstract


Urban heat islands (UHIs) are characterised by warmer urban air temperatures compared to rural air temperatures, and the intensity isequal 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.

Die lugtemperature van stedelike gebiede is gewoonlik warmer as die lugtemperature van die omringende platteland. Hierdie verskynsel word die stedelike hitte-eilandeffek genoem. Die intensiteit van die stedelike hitte-eiland is die verskil tussen die temperatuur van die stedelike en die omringende gebiede. Elke stad se hitte-eiland is uniek, omdat elke stad oor unieke eienskappe beskik. Daar heers algemene belangstelling in stedelike klimaat, om drie redes: ongeveer die helfte van die wêreld se bevolking word deur stedelike klimaat geraak; die dinamika van stedelike klimaat is relatief voorspelbaar; en sekere landgebruikspatrone kan geïmplementeer word om stedelike klimaat te manipuleer.

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/content/aknat/32/1/EJC138584
2013-01-01
2020-07-16

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