Sustainable Urban Growth using Geoinformatics and CA based Modelling

Abstract

Electronic governance (e-governance) can be used as a vehicle for better decision making, resources monitoring, budget allocation, planning and development of cities as per the aspirations of people. Urban growth simulation and modelling in association with information technologies like Geographical Information Systems (GIS) can be used to ascertain possible impacts of urbanization on climate, ecology and environment. Such techniques can assist in effective governance of cities in making optimum decisions of urban development by developing different alternatives urbanization scenarios corresponding to different policies to achieve sustainable and environment friendly smart cities. Present study is aimed to demonstrate the application of geo-spatial techniques and urban growth modelling in determining different urban growth scenarios corresponding to different land use policies and sustainable developmental goals. A cellular automata (CA) based SLEUTH urban growth model and GIS has been used to simulate the urban growth of Pushkar fringe. Pushkar has experienced scattered and rapid urban development in recent past owing to increased tourism and industrial activities causing significant ecological and environmental problems. The SLEUTH model was conceptualized and calibrated using historical urban growth obtained from classification of multi-spectral satellite data. Further, calibrated model has been used to simulate urban growth of the Puskar fringe for year 2040 corresponding to six land use policy scenarios formulated to achieve sustainable developmental objectives and smart Pushkar town. (The study demonstrated the ability of GIS and CA based urban growth modelling to improvise the existing urban growth practices and in developing growth scenarios corresponding to different sustainable and smart city goals.