10th Class Social Science Water Resources Question Bank Long Answer Type - Water Resources

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

    Answer:

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

    (i) construction of percolation ponds.
    (ii) refilling of dug wells.
    (iii) collection of roof water and storing it in tanks or underground.
    Rooftop rainwater is collected through a pipe into the underground tanks. Rooftop rainwater harvesting is practiced in Shilong, Meghalaya where nearly 15 to 25% of actual water requirement is met from rooftop water harvesting. In many parts of rural and urban India, rooftop rainwater harvesting is successfully adopted to conserve and store water. In Gendathur a village in Karnataka nearly 200 households home installed this system. From 20 houses, the net amount of rainwater harvested amounts to 1,00,000 litres annually. In Meghalaya, Bamboo drift drip is practiced to stream and spring water by using Bamboo pipes.


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