Rain Water Harvesting Methods Ppt

There are many ways in which rainwater can be harvested.

Rain water harvesting methods ppt. The dry wet and barrel systems have different methods of capturing rain but all include similar components. In the areas of regular rainfall the perfect alternative to overcome the water. 1 4 advantages of rain water harvesting 1 5 from where to rain water harvesting 1 6 rain water harvesting potential 1 7 factors affecting run off from catchment 1 8 important points relating to water storage and recharging chapter 2 methods of harvesting rain water 12 31 2 1 rain water harvesting methods 2 1 1 storing rain water for direct use. Methods of rainwater harvesting.

Rain water harvesting techniques. Storage of rainwater on surface for future use. Rainwater harvesting is a technology used for collecting and storing rainwater from rooftops the land surface or rock catchments using simple techniques such as jars and pots as well as more complex techniques such as underground check dams. Our earth is covered with 75 of water and 25 of land but water scarcity is a global issue because the large extent of water is not used for the domestic purpose irrigation purpose and one of the solutions for such problem is the rainwater harvesting.

Every system has its merits and demerits. Technologies for water harvesting and soil moisture conservation in small watersheds for small scale irrigation. Presented by rajesh kumar gupta suraj kumar vishwakarma 2. Rooftop rain water harvesting systems are easy to construct operate and maintain 9.

Water reports 14 fao rome. There are two main techniques of rain water harvestings. What is rain water harvesting. In hilly terrains rain water harvesting is preferred 10.

And malik a h 2003. Rainwater harvesting systems are simple which can be adopted by individuals 8. Under method b storage provision for initial rain is kept in a pipe. Rain water harvesting is a system by which the rainwater that collects on the roofs and the area around the buildings is directed into open wells through a filter tank or into a.

Recharge to ground water. A lifeline for human well being r. Let s continue to educate each other on rainwater harvesting as a viable means of combating the global water crisis. Rain water harvesting presentation 1.

The rooftop rain water harvesting is less expensive 7. In irrigation technology transfer in support of food security. These are provided between down pipe and the storage tank. Under method a the down pipe is moved away from the inlet of the storage tank initially during the rains until clean water flows.

Rainwater harvesting seminar and ppt with pdf report. In saline or coastal areas rain water provides good quality water and.