Name any 4 tarditiinal system for rainwater harvesting
Answers
1.Jhalaras are typically rectangular-shaped stepwells that have tiered steps on three or four sides. These stepwells collect the subterranean seepage of an upstream reservoir or a lake.
2.Talabs are reservoirs that store water for household consumption and drinking purposes. They may be natural, such as the pokhariyan ponds at Tikamgarh in the Bundelkhand region or man made.
3.Bawaris are unique stepwells that were once a part of the ancient networks of water storage in the cities of Rajasthan. The little rain that the region received would be diverted to man-made tanks through canals built on the hilly outskirts of cities.
4.Taanka is a traditional rainwater harvesting technique indigenous to the Thar desert region of Rajasthan. A Taanka is a cylindrical paved underground pit into which rainwater from rooftops.
(i) 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 the Western Himalayas.
(ii) Rooftop rainwater harvesting: Commonly practised to store drinking water in Rajasthan.
(iii) Inundation Channels: These channels developed in the floodplains of Bengal to irrigate fields.
(iv) Khadins and Johads: In arid and semi-arid regions, some agricultural fields were converted into rainfed storage structures. These structures are found in Rajasthan.
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