Investigating Urban Growth and Conversion of Farmland Open Land to the Urban Masses (Case Study: Urmia City)
Subject Areas : Urban and Regional Planning Studies
1 - payame noor university
Keywords: Key words: "changes of the urban growth", "agricultural land", "model LCM", "Orumiyeh",
Abstract :
AbstractThe rapid growth of cities in developing countries, which is often dispersed, has become a major issue today. Moving to agricultural lands and destroying the natural ecosystem around the cities has necessitated a permanent review of the dynamics of the city in the light of past development and its future prediction inevitable. The purpose of this study was to investigate the orumieh urban growth changes and the effect of this growth on open and agricultural lands. In order to achieve this goal, the LCM model for the 16-year period 1995-2011 was based on the integration of the artificial neural network classification of multilayer perceptron and the Markov chain model using the survey of land-change. The Landsat 5 images of these years were used to prepare land use map using multi-layer perceptron neural network. Validation of the model by calculation of Kappa coefficients (Kappa index above 87%) is model's reliability. The results of this study indicate that the land use changes in the orumieh city, the transition and conversion of open land to Urban land is more in central parts and the conversion of agricultural land to urban areas, around the city is tangible and more intense towards the west (Band axis) continues. The forecast of the city's growth up to 1404 indicates that, as compared to 2011, 3208 hectares have been added to the lands and a total of 3810 hectares of agricultural land and gardens have been reduced and part of this will be converted into open lands.
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