Abstract
Land-use change is a predictable and principal driving force of potential environmental changes on all spatial and temporal scales. A land-use change model is a tool that supports the analysis of the sources and consequences of land-use dynamics. This study aims to assess the spatiotemporal land-use changes that occurred during 1990–2020 in the municipal council limits of Batticaloa. A land change modeler has been used as an innovative land planning and decision support system in this study. The main satellite data were retrieved from Landsat in 1990, 2000, 2010, and 2020. For classification, the supervised classification method was employed, particularly with the medium resolution satellite images. Land-use classes were analyzed by the machine learning algorithm in theland change modeler. The Markov chain method was also used to predict future land-use changes. The results of the study reveal that only one land-use type, homestead, has gradually increased, from 12.1% to 34.1%, during the above-mentioned period. Agriculture land use substantially declined from 26.9% to 21.9%. Bare lands decreased from 11.5% to 5.0%, and wetlands declined from 13.9% to 9.6%.
Highlights
The term land-use refers to the system of how the land is being used and influencedby human activities for different needs
Anthropogenic activities in land-use have been accepted as significant factors in global change [6,7,8]
These changes have been reviewed as the critical driving forces of ecological change on all spatial and temporal scales [9]
Summary
The term land-use refers to the system of how the land is being used and influencedby human activities for different needs. It forms a direct link between land-use and land-cover, and the action of the people in the environment [1]. Anthropogenic activities in land-use have been accepted as significant factors in global change [6,7,8]. These changes have been reviewed as the critical driving forces of ecological change on all spatial and temporal scales [9]. Current environmental problems can be classified into three parts in urban centers: the problems arising from, and associated with, poverty and underdevelopment; the problems arising as the negative effects of every process of development; and the problems related to man-made pollution
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