Question

Which rainwater harvesting method is practised in semi-arid region write any four advantage of the method?

Answer 1

In semi-arid regions, roof-top rain water harvesting is mainly practiced.

1. Most of the houses have in-built tanks or tankas.
2. Water from the roof top is stored in these.

Advantages

1. Water stored in these tankas does not get contaminated.
2. Water can be stored for the non-rainy season.
3. Water does not get evaporated as the tankas are sealed.
4. This process is really useful for the drought-prone areas.