Abstract

The industrialisation and urbanisation have significant impacts on hydrological regimes within the watersheds. The spatial analysis in urban watersheds is prerequisite for management of surface and subsurface water regimes. The objective of the study is to analyse the impacts of increase in impervious surface area (ISA) in urban watersheds of the Nagpur city. High-resolution satellite images were used of year 2000 and 2012. Significant increase in ISA was observed in the watersheds between 2000 and 2012 having impacts on vegetation index, runoff, CN and flash floods. Statistical analyses were used to establish the relationship between runoff, impervious surface areas, vegetation index, slope and runoff coefficient.

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