Research

Estimation of the urban heat island for UK climate change projections


Reference:

Kershaw, T. J., Sanderson, M., Coley, D. and Eames, M., 2010. Estimation of the urban heat island for UK climate change projections. Building Services Engineering Research and Technology, 31 (3), pp. 251-263.

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    Official URL:

    http://dx.doi.org/10.1177/0143624410365033

    Abstract

    Cities are known to exert a significant influence on their local climate, and are generally warmer than their surroundings. However, climate models generally do not include a representation of urban areas, and so climate projections from models are likely to underestimate temperatures in urban areas. A simple methodology has been developed to calculate the urban heat island (UHI) from a set of gridded temperature data; the UHI may then be added to climate model projections and weather data files. This methodology allows the UHI to be calculated on a monthly basis and downscaled to hourly for addition to weather generator data. The UHI intensities produced are found to be consistent with observed data.Practical application: There is overwhelming consensus amongst the scientific community that the Earth’s climate is warming. In addition to the effects of climate change the urban heat island (UHI) effect can increase air temperatures significantly in urban areas above those of the rural areas around them. The proposed methodology for calculating the UHI from a set of gridded temperature data allows the UHI to be added to climate model projections such as UKCP09 or HadRM3 and weather data files. The methodology also allows for the temporal downscaling of the UHI from monthly values to hourly data for use in building thermal simulation software.

    Details

    Item Type Articles
    CreatorsKershaw, T. J., Sanderson, M., Coley, D. and Eames, M.
    DOI10.1177/0143624410365033
    DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
    RefereedYes
    StatusPublished
    ID Code25062

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