Question

Mention the four traditional methods of rainwater harvesting

Answer 1

tanks
inundation channels
roof top rainwater harvesting
guls and kuls

Answer 2

Methods of rain water harvesting used in India are :
(a) Guls and Kuls : People built guls and kuls in hilly and mountainous regions to divert water. These are simple channels. They are mainly used in Western Himalayas.
(b) Roof top rain water harvesting : Commonly practised to store drinking water in Rajasthan.
(c) Inundation Channels : These channels developed in the flood plains of Bengal to irrigate fields.
(d) Khadins and Johads : In arid and semi-arid regions, some agricultural fields were converted into rain fed storage structures. These structures are found in Rajasthan.
(e) Tanks : In Bikaner, Phalodi and Barmer, almost all houses have tanks for storing drinking water. Tanks are part of the well-developed roof top rain water harvesting system.