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.

Rooftop rain water harvesting systems are easy to construct operate and maintain 9. Every system has its merits and demerits. There are many ways in which rainwater can be harvested. Under method b storage provision for initial rain is kept in a pipe.

Water reports 14 fao rome. 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. Presented by rajesh kumar gupta suraj kumar vishwakarma 2. In irrigation technology transfer in support of food security.

Rain water harvesting techniques. 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. Rain water harvesting presentation 1. A lifeline for human well being r.

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. In hilly terrains rain water harvesting is preferred 10. The rooftop rain water harvesting is less expensive 7. Methods of rainwater harvesting.

The dry wet and barrel systems have different methods of capturing rain but all include similar components. Catchment conveyance storage treatment and distribution. Rainwater harvesting systems are simple which can be adopted by individuals 8. 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.

Recharge to ground water. Technologies for water harvesting and soil moisture conservation in small watersheds for small scale irrigation. And malik a h 2003. These are cleaned off after each heavy rain.

Under method a the down pipe is moved away from the inlet of the storage tank initially during the rains until clean water flows. There are two main techniques of rain water harvestings. In saline or coastal areas rain water provides good quality water and. Storage of rainwater on surface for future use.

What is rain water harvesting. These are provided between down pipe and the storage tank.