Abstract
This paper presents the description of land use change in the suburbs near Suvarnabhumi International Airport, with a focus on land use patterns before and during airport development. According to geographic information system (GIS), land use patterns are categorized into three main groups, namely intensive urban development land, areas developed under environmental conditions, and natural land. Steps of land use changes, land use planning and related factors concerning number of population, dwelling units and factories were analyzed. In the short term, urban development dramatically increases by 39.97% whereas the areas developed under environmental conditions decreased by 37.52%, with significant correlation (P < 0.05). The natural land which is typically grassland and watercourses changed insignificantly (P > 0.05). Urbanization of the areas where the airport is located increased between 10.07% and 15.57%. The changes of land use comply with the Integrated Town and Country Planning. The areas where urbanization is small are under the area designated as the green area. Urban expansion is mainly a result of increase in residential areas which is closely related to number of population. Such changes indicate a need for more effective urban development planning and management to conserve environmental quality.
Highlights
Change of land use patterns to urban areas has become a major problem resulting from economic and population growth, especially in developing countries [1,2,3,4,5]
In geographic information system (GIS) layers, the SI unit is used for the area expression and percentage of each land use pattern to the whole area is used in comparison, for easy understanding
Land use change in association with urban sprawl is a crucial factor to be considered during the set up of measures to maintain environmental sustainability
Summary
Change of land use patterns to urban areas has become a major problem resulting from economic and population growth, especially in developing countries [1,2,3,4,5]. The urbanization process which has resulted from both direct and indirect influences is multi-directional and differentiated in time and space [6]. Poor land use planning is another factor contributing to uncontrolled expansion of the urban area [9]. As a consequence of urbanization, most natural lands have been fragmented into small pieces of lands likely to create adverse environmental impacts [4,5]. According to Martinuzzi et al [10], unlimited urbanized areas or “urban sprawl” affects resource consumption and causes environmental impacts
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