IGNOU ONR 1 2018 - Define rainwater harvesting. Discuss why it is important in urban area

Question

Define rainwater harvesting. Discuss why it is important in urban areas?

22 Apr 2018

Answer :

Word Count : 353

Rain water harvesting (RWH) is a technique of collection and storage of rainwater into natural reservoirs or tanks, or the infiltration of surface water into subsurface aquifers (before it is lost as surface runoff). One method of rainwater harvesting is rooftop harvesting. With rooftop harvesting, most any surface — tiles, metal sheets, plastics, but not grass or palm leaf — can be used to intercept the flow of rainwater and provide a household with high-quality drinking water and year-round storage. Other uses include water for gardens, livestock, and irrigation, etc.

Rainwater harvesting is important in urban areas vecause

In areas where there is inadequate groundwater

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