discuss how rainwater harvesting in semi-arid regions of Rajasthan is carried out
Answers
Rain water harvesting in semi-arid regions of Rajasthan is carried out in the following ways:
The people in Jaisalmer built 'khadins' to store rainwater. ‘Khadin’ is an embankment which prevents water from flowing away. Collected water then seeps into the soil. This water saturates land which is then used for growing crops.
Several step wells were constructed in Rajasthan for storing rainwater.
People in Rajasthan built underground tanks called tankas for storing water
Tankas were built inside houses or in the main courtyard. They were connected to the sloping roofs of the houses through a pipe. Rainwater falling on the rooftop, travelled down the pipe and were stored in these underground tankas.
Answer:
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Explanation:
Houses in the semi arid regions of Rajasthan have traditionally constructed tanks for storing drinking water. They are big and are a part of the well-developed rooftop rainwater harvesting system. The tanks are constructed inside the main house or the courtyard, and are connected to the sloping roofs of the houses through a pipe. The rain falling on the rooftop travels down and is stored in the tanks. The first spell of rain is not collected as this water cleans the roof and the pipes. The rainwater from the subsequent spells is collected. This water is used till the next rainy season, and is reliable source of water even after other sources have dried up. The tanks also help in cooling the houses as rooms built around them have generally low temperatures due to conduction.