Dec 24, · Rain Water Harvesting Essay 4 ( words) Every drop of rain water is like blessings of God to the people on the earth. Fresh rain water falls on the ground like pearls, so everyone should understand the importance of rain water especially in developing regions and rural areas lack of natural water blogger.comted Reading Time: 10 mins Jun 09, · Long Essay on Rainwater Harvesting Words in English Rainwater harvesting is a technique in which we help the water seep into the groundwater table through open lands and porous soil. One of the main advantages of rainwater harvesting is that it increases the level of the water table below our blogger.comted Reading Time: 7 mins Essay Contents: Essay on the Definition of Rainwater Harvesting Essay on the Importance of Rainwater Harvesting Essay on the Objectives of Rainwater Harvesting Essay on the Methods of Rainwater Harvesting Essay on the Purposes of Rainwater Harvesting Essay on the Benefits of Rainwater Harvesting Estimated Reading Time: 5 mins
Rainwater Harvesting Essay for Students in English [ Words]
Essay 1. Definition of Rainwater Harvesting: Rainwater harvesting refers to in general, to the collection and storing of locally available water, mostly from the rains at a place. The main criterion here is the quantum of water involved and the area of influence. Rainwater harvesting is common in areas having high rainfall intensity well distributed in the year. Such areas include, Himalayan areas, North Eastern States, Andaman and Nicobar Islands, Lakshadweep Islands, Rajasthan and the Southern parts of Kerala and Tamil Nadu.
Rain water harvesting essay on rain water harvesting now being-increasingly used for meeting the drinking water needs of rural areas particularly during the periods of drought. Many methods are available for harvesting rain water. The choice of a method depends upon the suitability of a particular site. Essay 2. Importance of Rainwater Harvesting: i.
Quantity of water available is fixed. Essay 3. Objectives of Rainwater Harvesting: i. To restore supplies from aquifer due to over explorations. Essay 4. Methods of Rainwater Harvesting: The different methods of rainwater harvesting are listed below:.
In this method the first step involves the collection of rainwater from the Rooftops. A network of drain pipes transports the rain water from the rooftops to a designed sump.
The sump houses a filter unit. Hence, as soon as the rainwater enters into the sump it first gets filtered and then remains in the sump, essay on rain water harvesting. Then with the help of a pump the water can be pumped to an overhead tank for future use, essay on rain water harvesting. It can be suitability adopted and implemented in new building constructions, houses, factories, schools, etc.
Rooftops should be designed keeping in mind rain water harvesting. Roof should be given sufficient slope to drain water.
Sufficient number of down pipes should be provided. The downpipe should be preferably of P. as per national building code. and mm pipe for an area of 85 sq. The water should be filtered before collection. A small tank of size 40 cm diameter filled with charcoal and gravel may be used as a filter chamber as shown in the Fig. If the conventional building practice is to build a sump, the same sump can be used for harvesting rain water.
In Bangalore for example, construction of a sump is a common building practice. Collecting rain water after filtration in the sump would be cost effective. If a well or a bore well is present in the premises then rain water can be used to recharge the ground water after filtration. Just below the roof Fig. However, some skill is required in designing such a storage system, essay on rain water harvesting.
On the ground Fig. However, it may restrict movement on small sites as storage occupies space. Below the ground Fig. However, water needs to be pumped up and cleaning of sumps is a necessity.
Typically sumps are the most favoured solution. Harvested rain water can be used for non-potable purposes like gardening, bathing, flushing essay on rain water harvesting washing clothes. Can also be used for potable purpose only after ensuring quality and when there is no alternative source or the alternative source is contaminated.
In this method the first and foremost requirement will be to keep the paved surfaces clean. The contour map of the locality is studied and the point having the least contour value is then selected.
Then a network of drains will carry the rain water from the point to the storage facility. The slope of the pavement is also a crucial factor in the collection process.
In this method check dams are constructed in areas where availability of water is scanty from surface and sub-surface sources. Check dams are small barriers built of sand or stones across the direction of water flow on shallow rivers and streams during the periods of excess water flow. During monsoon periods these retain the excess water in a small catchment area, thus satisfying the water requirements and replenishing the ground water table. Essay 5. Purposes of Rainwater Harvesting: i.
Rain water is a natural source, which is presently being wasted. Rain water technique can be effectively used to prevent the water-logging of low-lying areas or in other words for flood control. Owner-operated and managed. Reduced dependence on external sources such as bore wells tankers. Essay 7. Implementation of Rainwater Harvesting: Preliminary Feasibility Study:, essay on rain water harvesting.
The first step in designing a rainwater harvesting scheme is a preliminary feasibility study, which involves site visit and inspection. EssayEssay on Rainwater HarvestingGeologyRainwater Harvesting.
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What is Rainwater Harvesting I Rain Water Harvesting I Types of Rainwater Harvesting System I
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Dec 24, · Rain Water Harvesting Essay 4 ( words) Every drop of rain water is like blessings of God to the people on the earth. Fresh rain water falls on the ground like pearls, so everyone should understand the importance of rain water especially in developing regions and rural areas lack of natural water blogger.comted Reading Time: 10 mins Essay Contents: Essay on the Definition of Rainwater Harvesting Essay on the Importance of Rainwater Harvesting Essay on the Objectives of Rainwater Harvesting Essay on the Methods of Rainwater Harvesting Essay on the Purposes of Rainwater Harvesting Essay on the Benefits of Rainwater Harvesting Estimated Reading Time: 5 mins Jun 09, · Long Essay on Rainwater Harvesting Words in English Rainwater harvesting is a technique in which we help the water seep into the groundwater table through open lands and porous soil. One of the main advantages of rainwater harvesting is that it increases the level of the water table below our blogger.comted Reading Time: 7 mins
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