How do you explain rainwater harvesting?

Rainwater harvesting is collecting the run-off from a structure or other impervious surface in order to store it for later use. Traditionally, this involves harvesting the rain from a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.

What is rain water harvesting explain?

Definition. Rain water harvesting is a technique of collection and storage of rain water in surface (storage tanks) or sub surface aquifer before it is lost as surface runoff.

What is rain harvesting explain with diagram?

Rainwater harvesting can be done in the following ways: The catchment is an area from which the rainwater flows directly into a river or any other reservoir. Water can be stored either from the roof top or from the ground. … After filtration, water in the tank then can be used for domestic consumption.

What is importance of rainwater?

Rainwater is a life-giving resource, and without it, there’d be no life on Earth. Its primary purpose is to give us water to drink. During a downpour, rain seeps into the ground to become part of rivers and lakes, or what is called ground water.

What are the causes of rainwater harvesting?

Large dams are the major source of water storage, and canals are the major distributory route. The former have caused large-scale community displacement and ecological havoc. The latter, large-scale degradation of land via soil salinisation. Groundwater resources have been heavily over-used.

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