Each year, 10, hectares area is exposed to erosion. You can direct water run-off from this surface to plants, trees or lawns or even to the aquifer.
During monsoon periods these retain the excess water in a small catchment area, thus satisfying the water requirements and replenishing the ground water table. At an advanced stage, gullies result in ravines, which are sometimes 50 to feet deep.
But excess tilling exposes the soil to erosion, especially by wind. Vast areas have suffered erosion of soil in hill areas of North-East because of shifting cultivation.
At the same time, long continuous rainless periods cause loosening of soil and thus expose the soil to erosion by wind. Where such solutions are not easily forthcoming, international mediation and support should be available. Wind erosion, coupled with loss of surface cover in the Aravallis has made the challenge of halting the march of desert in Rajasthan, one of the most vital ecological problems facing the country today.
The harvesting of the rooftop is also a method of collecting rainwater. Rainwater harvesting is sustainable, economical and safe source of good quality water if collected and stored in right way.
An ecologically destructive and uneconomic cultivation method is slash and burn or shifting cultivation which is practised in hill areas of North-East, Chhotanagpur, Orissa, Madhya Pradesh and Andhra Pradesh.
This runoff is then collected and stored and is used. Tens of millions of children across the globe are victims of exploitation, abuse and violence each year. The Cold War era of "the bigger the better", which prompted the construction of 45, large dams throughout the world, is over.
The third core value is defect deterrence and nonconformity. It is safe as it is the purest form, untouched by bacteria, viruses, chemicals and rust and dirt of pipes. Rainwater harvesting promotes self-sufficiency and fosters an appreciation for water as a resource.
Because of gully erosion, nearly 10 mHa area is affected. These measures are a part of the overall strategy to conserve soil and water. There is no need for a water softener as there often is with well water. These people, including often marginalized groups such as women and minorities, must have a voice, and the information and means necessary to use it.
Very educative, I (we) now need to transplant what is written to practice. Thank you very much for this excellent/educative essay. Benard Wasike. Uses: The water that collected through rainwater harvesting is used for several purposes.
This reserved rainwater can be properly filtered and treated to be used as drinking water. This water is stored up in ponds, ditches, canals, etc. in the rural areas for using in everyday household chores as well as in. Water Pollution Essay 3 ( words) The level of fresh drinking water is becoming less day by day on the earth.
There is a limited availability of drinking water on the earth however that too is getting polluted because of human activities. Quality Management in Companies - Essay Sample.
Introduction. Quality Management (QM) in companies ensures that every action needs planning, development and application leading to valuable services, professionalism and respect to company’s structure.
essay on rainwater harvesting The rainwater harvesting means the technique used for collecting the rainwater and storing it by using various means of different resources for the future use. The purpose of cultivation, etc. the rainwater can be collected into the natural reservoirs or artificial tanks.
Rainwater harvesting can also satisfy the ever rising need of water and the quantity of the water in subterranean can be increased. This will also save the water getting wasted in drains and gutter and the water logging on the roads can also be prevented.Essay on the need for rainwater harvesting