This report from Geospatial World presents an impact assessment of urbanization in the Indian city of Ranchi. Patterns of spatial and temporal urban changes have been analysed efficiently using spatial and temporal technologies such as Geographical Information Systems (GIS) and Remote Sensing (RS) along with collateral data such as Survey of India (SOI) maps, etc.
In order to study the change of spatial extent of growth and infrastructural facilities, SOI toposheet number 73 E/7 along with IRS PAN with a resolution of 2.5m, LISS-III and LANDSAT-TM was used to generate different layers of years 1972, 2004, 2006 and 2010 respectively. The census of the city was integrated with the above mentioned data to identify the elements at risk associated with different forms of urban hazards.
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