Question

Name two techniques of roof top rain water harvesting

Answer 1

The two techniques of rooftop rainwater harvesting,are the food........

1) Collection of rain water from the rooftop through pipes into an underground structure....

2) Excess of water collected through rainfall may be taken to wells which further helps in well and groundwater recharge....

hope it will help you.......

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Answer 2

The two techniques of rooftop rainwater harvesting, are:

• Rain water collection from the buildings rooftop through pipes into an underground tank.
• The wells are used for accomdating the excess of water collected through rainfall in recharging groundwater.
• These were the two techniques of rooftop rainwater harvesting.

Rainwater harvesting is a technique to collect the rain water which is wasted and runs off  from the rooftops, parks, roads, open grounds, etc.