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Quantification of Urban Expansion Using Geospatial Technology—A Case Study in Bangalore

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DOI: 10.4236/ars.2015.44027    4,254 Downloads   4,834 Views   Citations

ABSTRACT

Quantification of urban expansion helps us to understand human induced effects on the environment in a temporal scale. Growing urbanization in Bangalore has resulted in demand for more space and resources. Since last 15 years the landuse and landcover of Bangalore area has been changed drastically due to increase in settlement, urban infrastructure, opening of roads and metros etc. Using geospatial tools, we studied the changes in landuse and landcover over 19 years (1992-2011) of period and changes in transport network over 41 years (1970-2011) in parts of Bangalore. Thus, the current study shows that the built-up area has been increased drastically, tree cover areas have been converted to agricultural lands and agricultural lands to built-up areas due to urbanization. There are also changes in drainage pattern, transport network and encroachment of water bodies. Thus the whole environment is getting affected adversely due to unplanned and rapid urban sprawl.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Dash, P. , Kakkar, R. , Shreenivas, V. , Prakash, P. , Mythri, D. , Kumar, K. , Singh, V. and Sahai, R. (2015) Quantification of Urban Expansion Using Geospatial Technology—A Case Study in Bangalore. Advances in Remote Sensing, 4, 330-342. doi: 10.4236/ars.2015.44027.

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