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Module 13 Rain Water Harvesting
SUBJECT : Geology
AUTHOR : Maruthesha Reddy MT
PUBLISHED ON : 18/10/17
NUMBER OF PAGES : ( 12 Pages)
PRICE : Rs 6.6

Rainwater harvesting refers to in general, to the collection and storing of locally available water, mostly from the rains at a place. The main criterion here is the quantum of water involved and the area of influence. Collection of rainwater from paved or G.I. corrugated roofs and paved courtyard of houses is known as rainwater harvesting. Rainwater harvesting is common in areas having high rainfall intensity well distributed in the year. Such areas include Himalayan areas, North Eastern states, Andaman and Nicobar Islands, Lakshadweep islands, Rajasthan and the Southern parts of Kerala and TamilNadu. Rainwater harvesting is now being increasingly used for meeting the drinking water needs of rural areas particularly during the periods of drought. Many methods are available for harvesting rainwater. The choice of a method depends upon the suitability of a particular site. Rainwater harvesting refers to in general, to the collection and storing of locally available water, mostly from the rains at a place. The main criterion here is the quantum of water involved and the area of influence Many methods are available for harvesting rainwater. The choice of a method depends upon the suitability of a particular site. Roof top Rain Water Harvesting, Paved Surface Rain Water Harvesting and Rain Water Harvesting Using Check Dams are the different methods of rainwater harvesting Storage system can be located Just below the roof level, on the ground, partially above and partially below the ground and below the ground Rainwater is a natural source, which is presently being wasted, Prevents ground water depletion, Is a good supplement to piped water system? It has a positive cost benefit ratio, It is relatively pollution free, It results in water conservation and self-dependence and Rainwater technique can be effectively used to prevent the water logging of low-lying areas or in other words for flood control are the purposes of rainwater harvesting. Ground water recharge methods such as: Spreading basin, recharge pits and shafts, ditches, recharge wells, harvesting in cistern from hillsides, subsurface dams, farm bonds, and historical large well across streamlet and check dams.

     

 
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