Rain Water Harvesting Methods Ppt

Let s continue to educate each other on rainwater harvesting as a viable means of combating the global water crisis.

Rain water harvesting methods ppt.

Under method b storage provision for initial rain is kept in a pipe. Rainwater harvesting systems are simple which can be adopted by individuals 8. There are many ways in which rainwater can be harvested. What is rain water harvesting.

The rooftop rain water harvesting is less expensive 7. Methods of rainwater harvesting. Rain water harvesting techniques. 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.

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. These are cleaned off after each heavy rain. 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. The dry wet and barrel systems have different methods of capturing rain but all include similar components.

Water reports 14 fao rome. In saline or coastal areas rain water provides good quality water and. In irrigation technology transfer in support of food security. 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.

There are two main techniques of rain water harvestings. Rainwater harvesting seminar and ppt with pdf report. Presented by rajesh kumar gupta suraj kumar vishwakarma 2. Rain water harvesting presentation 1.

Catchment conveyance storage treatment and distribution. Some of these methods are very effective and can aid in the collection of a lot of water even for commercial activities while others are only suitable for harvesting water meant for domestic use. Rooftop rain water harvesting systems are easy to construct operate and maintain 9. 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. Recharge to ground water. In hilly terrains rain water harvesting is preferred 10. Storage of rainwater on surface for future use.

In the areas of regular rainfall the perfect alternative to overcome the water. Technologies for water harvesting and soil moisture conservation in small watersheds for small scale irrigation.