Rainwater harvesting - methods of rainwater harvesting in different places in Rajasthan, India
What is rainwater harvesting? Discuss the various methods of rainwater harvesting in hilly, floodplains and semi-arid regions of Rajasthan (India) ANS. Rainwater harvesting means collecting rainwater for various purposes to be used in the future. Rajasthan is the driest state in India. Rajasthan is a state in India which is mostly desert, receives the least amount of rainfall and suffers from acute water scarcity throughout the year. People in Rajasthan devised different methods to harvest and collect the rainwater. 1. In hilly regions of Rajasthan like Bikaner, Phalodi and Barmer, almost all houses have underground tanks called Tankas in which people collect rainwater for drinking purposes. 2. In the floodplains of Rajasthan, many people collected rainwater from the rooftop for drinking purposes. 3. In semi-arid regions of Rajasthan such as in Jaisalmer, people collect rainwater in their agricultural fields through a technique called Khadins or Johads. Khadins are underground storage ...