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Derivation of Urban Heat Island for Landsat-8 TIRS Riyadh City (KSA)

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DOI: 10.4236/gep.2015.39003    2,109 Downloads   2,764 Views Citations

ABSTRACT

This paper offers a Derivation of Urban Heat Island (UHI) for Landsat-8 TIR on the application of urban climatology in Riyadh city. GIS and remote sensing are provided to determine the possibility of consolidation across the heat island in Riyadh. The primary aim of this work is deviation in temperature and makes up an urban heat island (UHI). To create the database required for the study, using satellite images in monitoring thermal emission peaks for the surface of the earth (UHI), we used band ten and band eleven that represented the thermal band, which depended to extract the temperature of the surface (TOAr). The first step was Conversion DN to Radiance; the second was Radiance into degrees Kelvin and the third was Convert degrees Kelvin into degrees Celsius. In the final Produced Urban Heat Island (UHI), maps help to find out the thermal peaks clearly that affect urban climatology by elevating the temperature of the (UHI) and (UHI) peaks of the surrounding regions and the extent of its impact on the occupants of nearby countries. The paper concluded by the study area contains 10 Urban Heat Islands (UHI). Its presence has been associated with the types of land-utilization and requires intervention by the municipality of the city to hold the (UHI) and dilute the impact and types of land usage. Most impact is negative including increased energy consumption, elevated emissions of air pollutants and greenhouse gases compromised to human health and impaired water quality.

Cite this paper

Almutairi, M. (2015) Derivation of Urban Heat Island for Landsat-8 TIRS Riyadh City (KSA). Journal of Geoscience and Environment Protection, 3, 18-23. doi: 10.4236/gep.2015.39003.

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