Atmospheric impacts on daytime urban heat island

Eduardo Krüger, Patricia Drach, Rohinton Emmanuel

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Abstract

Daytime Urban Heat Island (UHI) effects can be weak compared to night time and even reversed (as in the case of cool islands, where urban locations display lower temperatures than at a rural site), mostly due to shading effects from buildings, vegetation and other possible obstructions. The study of the relationship between the Sky-View Factor (SVF), an indicator of urban geometry in terms of sky openness, and UHI intensity generally focus on night time periods; only a few report on the daytime effect of the SVF. Such effect will also vary according to background atmospheric conditions of the period of measurements. The present paper is a commentary on a recent publication by the authors on a study of diurnal intra-urban temperature differences in a location with Koeppen’s Cfb climate.
Original languageEnglish
Article numberASW-2018-0009
Pages (from-to)1-3
Number of pages3
JournalAir, Soil and Water Research
Volume11
Early online date12 Nov 2018
DOIs
Publication statusPublished - Dec 2018

Keywords

  • urban climate
  • atmospheric stability
  • urban morphology

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