TITLE:
Derivation of Urban Heat Island for Landsat-8 TIRS Riyadh City (KSA)
AUTHORS:
Menawer K. Almutairi
KEYWORDS:
Urban Climatology, Urban Heat Island, GIS, Remote Sensing, Landsat-8 TIRS
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.3 No.9,
November
13,
2015
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.