What is rainwater harvesting How can it help to increase the level of groundwater?

Rain water harvesting is requiring conserving the water and recharging the underground water which helps when there is a water scarcity. There should be a provision of sending rain to go underground to increase underground water level so that it brings water level of wells and tube wells back to normal.

Why rainwater harvesting should be made mandatory in our country?

As demand for water is growing rapidly and most cities are facing a water crisis, rainwater harvesting should be made mandatory across the country. It also helps in improving the overall floral system, reduces the loss of top layer of the soil, and if water is captured directly, we need not depend much on storage dams.

What are the advantages of rain water harvesting?

The advantages of rainwater harvesting are:

• It is cost-effective.
• Conserves water.
• A source of water for landscape irrigation.
• It is a simple method and easy to practice.
• It reduces soil erosion and pollution of water bodies due to fertilizers and pesticides.

What is above the water table?

The soil surface above the water table is called the unsaturated zone, where both oxygen and water fill the spaces between sediments. The unsaturated zone is also called the zone of aeration due to the presence of oxygen in the soil.

Which one of the following is the benefit of rainwater harvesting?

Which one of the following is the benefit of rainwater harvesting? Explanation: Rainwater harvesting helps for flood mitigation. Appropriate designed recharges in open public spaces will help to keep the roads from flooding.

How water harvesting techniques are useful?

Water harvesting techniques gather water from an area termed the ‘catchment area’ and channel it to the cropping area or wherever it is required. Conservation techniques conserve water within the biomass and the soil by reducing run-off and keeping the water where it falls, as much as possible.