GEOSPATIAL ANALYSIS OF THE LAND USE AND LAND COVER CHANGES OF ILORIN METROPOLIS BETWEEN 2000 AND 2017 USING REMOTE SENSING AND GIS TECHNIQUES

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Date

2018-12

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Publisher

DEPARTMENT OF SURVEYING AND GEOINFORMATICS, FACULTY OF ENVIRONMENTAL SCIENCES, UNIVERSITY OF ILORIN, ILORIN

Abstract

The paper focuses on geospatial analysis of the land use and land cover pattern in Ilorin metropolis using Remote Sensing and Geographic Information System technique (GIS). Rapid land use change has taken place in many developing cities of Nigeria includingIlorin over the past decades. Information on the constant change in land use pattern for Ilorin metropolis is of importance because the city is experiencing rapid land use/cover changes and because land use/cover pattern information is indispensable for sustainable rural-urban land use planning and development. Landsat 7 and 8 images of Ilorin metropolis at three epochs of the years 2000, 2010 and 2017 were used. Environment for visualizing images (ENVI) and ArcGIS software were used for the image classification, image enhancement and further processing, analysis and land use map production. The Land consumption rate and land absorption coefficient pattern were analyzed. The results show that water body increased significantly from 0.474%, 0.474ha area in 2000 to 0.589% in 2010 and experienced even a greater increase in 2017 with 0.731% with an of 7.914ha of the total class. Built-up land increased massively from 26.901%, 420.534ha area occupied in 2000 to 511.770ha, 39.439% area in 2010 and showed a slightdrop between 2010 and 2017 to 501.822ha representing 46.333% of the total class. In 2000, vegetation occupies 36.254%, 566.748ha but experienced an increase of 9.33ha area and occupied the highest class with 42.956% in 2010 but showed a massive decrease in 2017 to 358.761ha and 33.124% of the total class. Bare land showed a consistent decrease from 2000 with 568.593ha, 36.372% to 220.806ha, 17.016% in 2010 to 214.581ha, and 19.812% area of the total class in 2017.The study reveals increase in population of the metropolis, steady but increasing trend in built up land and reduction in vegetation. If adequate measures are not put in place, there may be a great measure of loss of naturally vegetated area in Ilorin metropolis, which is mainly because of urban growth and expansion, farming and gully erosion. This paper also confirms the convenience, accuracy and reliability of GIS and Remote Sensing techniques for geospatial analysis of landuse and land cover changes. It is recommended that the information from the results of this work should be use to optimally, effectively plan, and manage the study area.

Description

GOOD RESEARCH FOR LAND USE ANALYSIS

Keywords

Land use/land cover, Landsat, Land use changes, ENVI, GIS

Citation

IPADEOLA A. O, ODUNAIYA A. K, TELLA A.K., ISSA B. S., Yusuf A., & OLABODE T. B.: (2018). GEOSPATIAL ANALYSIS OF THE LAND USE AND LAND COVER CHANGES OF ILORIN METROPOLIS BETWEEN 2000 AND 2017 USING REMOTE SENSING AND GIS TECHNIQUES, JOGER VOL 1, NO 1

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