Question

7. Write any two method that you think suitable for rainwater harvesting in manipur
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Answer 1

Two methods of Rainwater Harvesting are as following:-

1. Rooftop Rainwater Harvesting- It is a technique through which rainwater is collected from the roof of the house or building. Harvested rainwater can be stored in sub surface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks. The rainwater collected from rooftop can be used for recharging the ground water aquifers.

2. Surface Runoff Harvesting- It is a method of collecting rainwater flowing along the ground during the rains will be collected to a tank below the surface of the ground for irrigation and other proposes. Run-off occurs when there is more water than land can absorb. It can also include