URBAN FRINGE TRANSFORMATION AND ENVIRONMENTAL DEGRADATION: A CASE STUDY OF AHMEDABAD

Urban fringe is the outskirt area of the urban agglomeration which convicts the land degradation and demeaning the quality of the environment with the inflation of problems of urban centers. Land use land cover analysis can define that when the built area of the urban region is increases thus the vegetation of the region decreases. The decentralization of the city can enlarge the boundary and causes the “urban sprawl”, “Peri-urban”, “sub-urban” or “urban-fringe”. Urbanization and industrialization are plays a pivotal role in the augmentation of the outer boundary of the urban centers which comprehend the vegetation and cultivated land where the population is mainly engaged in the primary occupation but owing which are extend towards outside and degrade the land capability because when the urban infrastructure increases the capacity of mainly for agriculture purposes are degrade. Recently the population explosion became the vital factor for the research but the unequal distribution of resources and according to the uneven settlement of population is the major issue for the developing and undeveloped countries. Rural-Urban fringe is the transitional zone where the rural and urban both the pursuit are taking place but these can spawn the growing share of barren and uncultivated land which are antiquity a cultivable land contributed in state income. The expansion of urban fringe is measured with the method of normalizing differentiation of built up index and normalize differentiation of vegetation index (NDBI & NDVI) which represents that built up are increases with the passage of time and the vegetation are reducing. There is also a description of the spread of urban region through buffer zone analysis which is from 1995-2020 and the source of there is the zonal distribution of 5 km equal distance. Built-up area exceeds from 144 km2 (1995) to 415 km2 (2020) it describes that the built-up area of the urban sprawl is increases with decreasing natural vegetation which explains through from color combination of NDVI.

 

Keywords: Urban Fringe, Environmental Degradation, NDVI, Peri-urban, Industrialization.


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