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- 저자 : K. A. Ishola (검색결과 1 건)
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A hybrid approach for monitoring future thermal environment in tropical areas
I. A. Balogun,K. A. Ishola 대한공간정보학회 2018 Spatial Information Research Vol.26 No.2
The manifestation of urban heat, due to changes in the surface physical components, is a well recognized example of man’s alteration of the natural environment. In this study, an attempt was made to project the future urban thermal changes by integrating a statistical approach with remote sensing techniques. Landsat observed TM, ETM?, and TIRS/OLI data for the periods 1986, 2000, and 2014 were used to examine the spatio-temporal changes in land surface temperature associated with urbanization process in the tropical City of Akure, Nigeria. Quantitative analysis on the past and future (2028 and 2042) land surface temperature (LST) impacts of urban land cover change was carried out using a hybrid Cellular Automata/Markov (CA_Markov) model and a step-wise multiple regression model. The result of the projected LST ranged from 19.79 to 40.97 C in 2028, and from 20.68 to 44.15 C for 2042. It was found that there was no significant increase in the hybrid CA_Markov projected LST in the City centres when compared with earlier years. However, the sub-urban and rural areas that are undergoing rapid urbanisation processes, as confirmed in the literature, have been observed to transit from a low and medium to high thermal zones in 2028 and 2042.
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