Abstract
In view of the increasing water demand, this paper recognizes rainwater harvesting as an innovative approach to the dilution of salinity. It proposes dilution of salinity to reduce both the direct and indirect effects of salinity on human health and well-being. This paper focuses on the saline regions of the Union Territory of Delhi. It identifies possibilities for salinity dilution by proposing an innovative approach to implement rainwater harvesting. For this purpose, this paper evaluates the rooftop rainwater harvesting potential for roof area including 100, 200, 300, 400 and 500 square meter area, in the identified saline regions of National Capital Territory (NCT) Delhi. To assess the impact of the rainwater harvesting system on salinity dilution, different maps and data were analysed. These maps include a salinity map of Delhi, a depth-to-water level map of Delhi, water level fluctuation map of Delhi, isohytal map of Delhi, etc.
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