Question

4. Name two methods of rainwater harvesting? What are its benefits?​

Answer 1

Answer:

Two methods of water harvesting in India: (i) The excess water collected through rainfall can be carried to the wells, which further helps to recharge the wells and underground water. (ii) Collection of rainwater on top of the roof and directing dry tanks.

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Answer 2

Answer:

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Explanation:

Methods of Rainwater Harvesting | How to Save Rain Water

Surface runoff harvesting. In urban area rainwater flows away as surface runoff. ...

Rooftop rainwater harvesting. It is a system of catching rainwater where it falls. ...

Rooftop Rainwater Harvesting System. ...

Catchments. ...

Transportation. ...

First Flush. ...

Filter. ...

Sand Gravel Filter.

The following are the advantages of rainwater harvesting: (i) It reduces the runoff loss of rainwater. (ii) It is helpful in controlling floods. (iii) It affords to maintain a supply of water during the dry months of the year. (iv) It can be used to raise the water table.