Does rain water harvesting lowers the water table?

Given statement is false. Rainwater harvesting raises the water table. Under this process, rainwater is allowed to fall on roofs of the buildings to flow into a deep trench in the ground. This rainwater replenishes the water table instead of flowing down to the drains.

What is the purpose of rainwater harvesting class 10?

The main purpose of rain water harvesting is to make rainwater percolate under the ground so as to recharge ground water.

What is the purpose of rainwater harvesting Mcq?

The correct answer is to Increase the groundwater level. It is the process of collecting rainwater from surfaces on which rain falls, filtering it, and storing it for multiple uses. Rainwater harvesting puts the supply of water back to normal levels.

How is rainwater harvesting useful for 6?

Rainwater Harvesting From Open Spaces Around Buildings The main purpose of rainwater harvesting is not to hold rainwater on the surface of earth but to make rainwater percolate under the ground more efficiently so as to recharge (or replenish) groundwater.

What is rainwater harvesting one word answer?

Answer: Rain water harvesting is the process of collecting the rain water which used to run off from the roof tops, parks, roads, and tanks. This collected water is used to store for future purpose. Also it is recharged to the ground water to reuse the water.

What is the main purpose of water harvesting?

The main purpose of water harvesting system is to help in recharge of ground water. Rain is the source which fills the pond behind harvesting structure.

What is rainwater harvesting two objectives of rainwater harvesting?

The main objectives of rainwater harvesting are as follows: Reducing the loss of water by its running –off. Avoiding flooding of roads. Meeting the demands of increasing water.

How can we increase the water efficient irrigation system *?

Irrigation efficiency can also be improved through altering farming practices, such as crop rotation (plant crops according to seasons and soil conditions) and conservation tillage (leaving a previous year’s crop residue on the field to reduce soil erosion and runoff) that help improve soil moisture conservation.

Why is rainwater important?

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 is the need of rainwater harvesting class 10?

Rainwater harvesting is required as this technique of storing water ensures water supply even during dry months or droughts. Besides, this is an environment-friendly technique of storing water.