Abstract
Urbanization is the dynamic process and it is one of the more important indicators of development. Though it is happening rapidly, in developing countries like Sri Lanka, the process of urban expansion is underestimated, due to use of traditional administration boundaries to demarcate urban area. But in the developing countries the urban expansion is happening beyond the traditional boundaries and without proper planning. Therefore the identification of urban expansion and direction of urban expansion are important for urban planning and to measure the level of urbanization. Statistical information alone is difficult to measure urban expansion because, it is physically observable phenomena on the earth surface, both horizontally and vertically. Therefore spatial and temporal analysis is important to understand urban expansion, and for this both RS (Remote Sensing) and GIS techniques provide unrivalled opportunity to analyze urban expansion. Therefore main objective of this study is to analyze the urban expansion in the Kandy urban area both temporally and spatially since 1976, using RS and GIS. The findings of the study will be very useful to redefine the urban boundaries of the Kandy urban area and formulate policies and strategies for future urban development in Kandy urban area.
Highlights
Urbanization is a dynamic process and it is one of the most important indicators of development
The main objective of this study is to analysis the expansion of urban population in Kandy urban area since 1976 and identify new urban boundary for Kandy by using remote sensing and GIS
Urbanization and urban sprawl of the Kandy city were identified by doing demographic analysis, band math operation and creating land use maps, and it is the first objective of the study
Summary
Urbanization is a dynamic process and it is one of the most important indicators of development. In broader sense urbanization is a vast process of development or increasing activities of people in an area known as “urban” reflecting the structural changes in physical, socioeconomic, demographic and cultural aspects of human life. The level of development of a country has a direct relationship with the level of urbanization of the country since development of secondary and tertiary sectors of the economy influences the urban growth. This process is cumulative and increases general scale of settlements due Masakorala P.P and Dayawansa. The percentage of urbanization is 15.1 percent in 2012 suggesting that Sri Lanka has very low urbanization relative to its per capita income (World Bank, 2012)
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