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Consider the following:
1. Kulhs
2. Khadin
3. Johads
4. Madakas
5. Ahar
Which of the following are Rainwater Harvesting methods?
- a)1, 2 and 3 only
- b)1, 3 and 4 only
- c)1, 2, 3 and 4 only
- d)1, 2, 3, 4 and 5
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider the following: 1. Kulhs 2. Khadin 3. Johads 4. Madakas 5. Ah...
The correct answer is 1, 2, 3, 4 and 5
Key Points
Rainwater Harvesting Methods
Kulhs
- These are water harvesting methods used in the hilly areas of the Western Himalayas.
- These systems are trenches that were dug to help divert water from rivers to be used for agriculture and into the villages for domestic use.
- They are used to transport melted water from glaciers to villages due to the effect of gravity.
- Under this system, water from the streams is diverted into man-made channels that carry this water to various villages.
- They serve as a source of canal irrigation for agricultural crops.
- Being a hilly area, it was not possible to build tube wells and borewells in Himachal Pradesh. That's why ';kulhs' came into existence.
Khadin and Jhodas
- This method is used in the arid areas of Rajasthanfor water conservation.
- In arid areas, agricultural fields are converted into rain-fed storage structures.
- It is an indigenous construction designed to harvest surface runoff water for agriculture.
- Its main feature is a very long (100-300 m) earthen embankment built across the lower hill slopes lying below gravelly uplands.
- The khadin system is based on the principle of harvesting rainwater on farmland and subsequent use of this water-saturated land for crop production.
Madakas, Ahar, Pynes, Surangas
- Ancient rainwater harvesting methods followed in India include Madakas, Ahar, Pynes, Surangas. Hence option 4 is correct.
- They were practised majorly in rural areas.
Additional Information
- Tankas are big concrete containers which are made for rainwater harvesting.
- In this method, hilltops are cut in a way that they act like a big tank to store the water
- The Bamboo Drip Irrigation system is used in Meghalaya.
- It is a 200-year-old system of using bamboo pipes to transport.
- Bamboos are connected to the source of flowing water to the fields
- About 18-20 litres of water enters the bamboo pipe system, gets transported over hundreds of metres, and finally reduces to 20-80 drops per minute at the site of the plant.
Most Upvoted Answer
Consider the following: 1. Kulhs 2. Khadin 3. Johads 4. Madakas 5. Ah...
Rainwater Harvesting Methods
Rainwater harvesting is a sustainable practice that involves collecting and storing rainwater for various uses. The methods listed in your question are all recognized techniques for managing rainwater. Here’s a brief overview of each:
Kulhs
- Traditional irrigation channels used in hilly regions, primarily in Himachal Pradesh, India.
- They collect and direct rainwater to agricultural fields, enhancing soil moisture.
Khadin
- A method used mainly in Rajasthan, India, that involves creating small embankments to collect rainwater in a depression.
- This harvested water is utilized for irrigation, especially in arid areas.
Johads
- These are traditional embankments built to capture and conserve rainwater in rural areas of Rajasthan.
- Johads help recharge groundwater and improve soil moisture for agriculture.
Madakas
- A traditional rainwater harvesting technique used primarily in Karnataka, India.
- It consists of small ponds or tanks that store rainwater, which can be used during dry seasons.
Ahar
- Ahar is another traditional water management system found in Bihar and parts of North India.
- It consists of a system of ponds or small reservoirs constructed to catch and store rainwater for agricultural use.
Conclusion
All five methods—Kulhs, Khadin, Johads, Madakas, and Ahar—are effective rainwater harvesting techniques that contribute to sustainable water management. Therefore, the correct answer, including all methods, is option 'D'.
Rainwater harvesting is a sustainable practice that involves collecting and storing rainwater for various uses. The methods listed in your question are all recognized techniques for managing rainwater. Here’s a brief overview of each:
Kulhs
- Traditional irrigation channels used in hilly regions, primarily in Himachal Pradesh, India.
- They collect and direct rainwater to agricultural fields, enhancing soil moisture.
Khadin
- A method used mainly in Rajasthan, India, that involves creating small embankments to collect rainwater in a depression.
- This harvested water is utilized for irrigation, especially in arid areas.
Johads
- These are traditional embankments built to capture and conserve rainwater in rural areas of Rajasthan.
- Johads help recharge groundwater and improve soil moisture for agriculture.
Madakas
- A traditional rainwater harvesting technique used primarily in Karnataka, India.
- It consists of small ponds or tanks that store rainwater, which can be used during dry seasons.
Ahar
- Ahar is another traditional water management system found in Bihar and parts of North India.
- It consists of a system of ponds or small reservoirs constructed to catch and store rainwater for agricultural use.
Conclusion
All five methods—Kulhs, Khadin, Johads, Madakas, and Ahar—are effective rainwater harvesting techniques that contribute to sustainable water management. Therefore, the correct answer, including all methods, is option 'D'.
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Consider the following: 1. Kulhs 2. Khadin 3. Johads 4. Madakas 5. Ahar Which of the following are Rainwater Harvesting methods?a)1, 2 and 3 onlyb)1, 3 and 4 onlyc)1, 2, 3 and 4 onlyd)1, 2, 3, 4 and 5Correct answer is option 'D'. Can you explain this answer?
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