Modelling of Road Surface Temperature from a Geographical Database: Part 1 Statistical

John Thornes, Lee Chapman, A Bradley

Research output: Contribution to journalArticle


The variation of road surface temperature across a road network is influenced regionally by meteorological parameters and locally by geographical parameters. A fast and reliable technique is described which allows the continuous collection of high resolution, geographical data including the sky-view factor which is suitable for use in road climate modelling studies, Then, by use of regression analysis, the relative importance of five geographical parameters (altitude, topography, sky-view factor, landuse and road construction) is assessed with respect to road surface temperature and atmospheric stability. Results show that sky-view factors dominate surface temperatures at high atmospheric stability whereas altitude becomes increasingly important as stability decreases. Finally, a statistical road surface temperature model is discussed with the ability to explain up to 75% of the variation of residual road surface temperatures in the study area entirely by the interaction of geographical Parameters.
Original languageEnglish
Pages (from-to)409-419
Number of pages11
JournalMeteorological Applications
Issue number4
Early online date1 Jan 2006
Publication statusPublished - 1 Jan 2006


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