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Article

Impact of Urban Surface Characteristics and Socio-Economic Variables on the Spatial Variation of Land Surface Temperature in Lagos City, Nigeria

1
Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki 305-8572, Japan
2
Department of Environmental Management, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka, Mihintale 50300, Sri Lanka
3
Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki 305-8572, Japan
4
Geomatics Department, Institut Teknologi Sepuluh Nopember, Campus ITS Sukolilo, Surabaya, East Java 60111, Indonesia
*
Authors to whom correspondence should be addressed.
Sustainability 2019, 11(1), 25; https://doi.org/10.3390/su11010025
Received: 13 November 2018 / Revised: 5 December 2018 / Accepted: 12 December 2018 / Published: 20 December 2018
(This article belongs to the Special Issue Spatial Analysis of Urbanization towards Urban Sustainability)
The urban heat island (UHI) and its consequences have become a key research focus of various disciplines because of its negative externalities on urban ecology and the total livability of cities. Identifying spatial variation of the land surface temperature (LST) provides a clear picture to understand the UHI phenomenon, and it will help to introduce appropriate mitigation technique to address the advanced impact of UHI. Hence, the aim of the research is to examine the spatial variation of LST concerning the UHI phenomenon in rapidly urbanizing Lagos City. Four variables were examined to identify the impact of urban surface characteristics and socio-economic activities on LST. The gradient analysis was employed to assess the distribution outline of LST from the city center point to rural areas over the vegetation and built-up areas. Partial least square (PLS) regression analysis was used to assess the correlation and statistically significance of the variables. Landsat data captured in 2002 and 2013 were used as primary data sources and other gridded data, such as PD and FFCOE, were employed. The results of the analyses show that the distribution pattern of the LST in 2002 and 2013 has changed over the study period as results of changing urban surface characteristics (USC) and the influence of socio-economic activities. LST has a strong positive relationship with NDBI and a strong negative relationship with NDVI. The rapid development of Lagos City has been directly affected by conversion more green areas to build up areas over the time, and it has resulted in formulating more surface urban heat island (SUHI). Further, the increasing population and their socio-economic activities including industrialization and infrastructure development have also caused a significant impact on LST changes. We recommend that the results of this research be used as a proxy tool to introduce appropriate landscape and town planning in a sustainable viewpoint to make healthier and livable urban environments in Lagos City, Nigeria. View Full-Text
Keywords: LST; urban surface characteristics; socioeconomic variables; urban heat island; gradient analysis; partial least square (PLS) regression; Lagos City LST; urban surface characteristics; socioeconomic variables; urban heat island; gradient analysis; partial least square (PLS) regression; Lagos City
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MDPI and ACS Style

Dissanayake, D.; Morimoto, T.; Murayama, Y.; Ranagalage, M.; Handayani, H.H. Impact of Urban Surface Characteristics and Socio-Economic Variables on the Spatial Variation of Land Surface Temperature in Lagos City, Nigeria. Sustainability 2019, 11, 25. https://doi.org/10.3390/su11010025

AMA Style

Dissanayake D, Morimoto T, Murayama Y, Ranagalage M, Handayani HH. Impact of Urban Surface Characteristics and Socio-Economic Variables on the Spatial Variation of Land Surface Temperature in Lagos City, Nigeria. Sustainability. 2019; 11(1):25. https://doi.org/10.3390/su11010025

Chicago/Turabian Style

Dissanayake, DMSLB, Takehiro Morimoto, Yuji Murayama, Manjula Ranagalage, and Hepi H. Handayani 2019. "Impact of Urban Surface Characteristics and Socio-Economic Variables on the Spatial Variation of Land Surface Temperature in Lagos City, Nigeria" Sustainability 11, no. 1: 25. https://doi.org/10.3390/su11010025

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