Urbanization and its Impact on Stormwa TER Runoff Potential Using Geospatial Tools

Watershed management plays a dynamic role in water resource engineering. Divination and determination of surface runoff are the most important processes of hydrology as understanding the basic relationship between rainfall and runoff is effective for sustainable resource management. National Resources Conservation Service- Curve Number method is employed with geospatial tools to compute surface runoff. Temporal land use and soil maps are integrated in GIS environment to observe the temporal variation on the runoff potential. The study interprets, that the urbanization has increased 13.4 percent for 2001 to 2010 and 38.4 percent for 2010 to 2015 for which the weighted CN comes out to be 68.5, 67.4 and 68.6 for 2001, 2010 and 2015 respectively. Runoff depends upon the rainfall events which has definitely affected due to climate change. Thus, there is a high need to monitor and design storage tanks or to implement low impact development techniques to store stormwater and to reduce pressure from freshwater assets.

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