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The rainfall-runoff process in a catchment is a complex and complicated phenomenon governed by large number of known and unknown physio graphic factors that vary both in space and time. Application of mathematical modelling techniques to the constituent processes involved in the physical processes of runoff generation has led to better understanding of the processes and their interaction. Conventional hydrological models for the prediction of runoff particularly over a basin require considerable hydrological and meteorological data. Collection of these data is expensive, time consuming...

For the study of impact of artificial recharge of roof top rainwater on the quantity and quality of groundwater, the geomatic approach was employed for identifying sites for construction of roof top rainwater harvesting structures by preparing various spatial maps. Monitoring and assessment of groundwater levels was carried out in the study area. Normal annual rainfall in the campus of Jawaharlal Nehru Technological University Hyderabad is 821mm with unutilized non-committed surplus monsoon runoff. Artificial recharge of ground water through rooftop rainwater harvesting was done by...