Question

Describe how modern adaptations of traditional rainwater harvesting
methods are being carried out to conserve and store water.​

Answer 1

Answer:

Modern adaptations of traditional rainwater harvesting include (a) 'Rooftop rainwater harvesting' is practiced in semi-arid areas of Rajasthan to store drinking water. In hills and mountainous regions people build diversion channels like that in the Western Himalayas for agriculture.

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Answer 2

Answer:

Several low cost techniques are now available to recharge groundwater and harvest the rainwater like;

Several low cost techniques are now available to recharge groundwater and harvest the rainwater like;(i) (a) construction of percolation ponds.

(b) refilling of dug wells.

collection of rainwater and storing it in tanks or underground.

(ii) Rooftop rainwater is collected through a pipe into the underground tanks. Rooftop rainwater harvesting is practiced in Shillong and Meghalaya where nearly 15 to 25% of actual water requirement is met from rooftop water harvesting.

(iii) In many parts of rural and urban India, rooftop rainwater harvesting is successfully adopted to conserve and store water.

(iv) In Gendathur a village in Karnataka nearly 200 households have installed this system. From 20 houses, the net amount of rainwater harvested amounts to 1,00,000 litres annually.

(v) In Meghalaya, Bamboo drip is practised to transport stream and spring water by using Bamboo pipes.