UPSC Exam > UPSC Questions > Rain-water harvesting can lead to:1. Dilutio...
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Rain-water harvesting can lead to:
1. Dilution of contaminants like fluorides and nitrates in groundwater
2. Prevention of soil erosion
3. Reduction in the saltwater intrusion in coastal areas
Select the correct answer using the code given below.
- a)1 and 2 only
- b)2 and 3 only
- c)1 and 3 only
- d)1,2 and 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Rain-water harvesting can lead to:1. Dilution of contaminants like fl...
Rainwater harvesting is a method to capture and store rainwater for various uses. It is also used to recharge groundwater aquifers. It is a low cost and eco-friendly technique for preserving every drop of water by guiding the rainwater to bore well, pits and wells, o Rainwater harvesting has several benefits like
(i) Increases water availability,
(ii) Checks the declining groundwater table,
(iii) Improves the quality of groundwater through dilution of contaminants like fluoride and nitrates,
(iv) Prevents soil erosion and flooding and
(v) Arrests saltwater intrusion in coastal areas if used to recharge aquifers.
Rainwater harvesting has been practiced through various methods by different communities in the country for a long time. There is a wide scope to use rainwater harvesting technique to conserve precious water resource. It can be done by harvesting rainwater on rooftops and open spaces.
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Rain-water harvesting can lead to:1. Dilution of contaminants like fl...
Introduction:
Rainwater harvesting is the process of collecting and storing rainwater from rooftops, land surfaces, and other surfaces for future use. It is an effective and sustainable method of conserving water resources. In addition to its water conservation benefits, rainwater harvesting also has several other advantages.
Main Body:
Dilution of contaminants:
- Rainwater harvesting can lead to the dilution of contaminants like fluorides and nitrates in groundwater.
- When rainwater infiltrates into the soil, it percolates through various layers and eventually reaches the groundwater reservoirs.
- During this percolation process, the rainwater mixes with the groundwater, thereby diluting the contaminants present in it.
- This dilution helps in reducing the concentration of harmful substances, making the groundwater safer for consumption.
Prevention of soil erosion:
- Rainwater harvesting plays a crucial role in preventing soil erosion.
- When rainwater falls on open ground without any harvesting system, it tends to run off and cause erosion.
- This runoff carries away the topsoil, which is rich in nutrients, and leads to the depletion of soil fertility.
- By implementing rainwater harvesting techniques such as contour trenches, check dams, and rooftop rainwater harvesting, the flow of rainwater is slowed down, allowing it to percolate into the soil.
- This reduces the velocity of runoff and prevents soil erosion, thereby preserving the quality of the soil and maintaining its productivity.
Reduction in saltwater intrusion:
- Rainwater harvesting can help in reducing saltwater intrusion in coastal areas.
- Coastal regions often face the issue of saltwater intrusion, where saline water from the sea enters the freshwater aquifers, making the groundwater saline and unsuitable for various purposes.
- By harvesting rainwater and promoting its use, the dependency on groundwater resources is reduced.
- This lowers the extraction of groundwater, which in turn reduces the pressure on freshwater aquifers and helps in preventing the intrusion of saltwater.
Conclusion:
Rainwater harvesting not only conserves water resources but also brings various other benefits. It helps in diluting contaminants in groundwater, preventing soil erosion, and reducing saltwater intrusion in coastal areas. By implementing rainwater harvesting techniques, we can ensure the sustainable use of water and protect the environment.
Rainwater harvesting is the process of collecting and storing rainwater from rooftops, land surfaces, and other surfaces for future use. It is an effective and sustainable method of conserving water resources. In addition to its water conservation benefits, rainwater harvesting also has several other advantages.
Main Body:
Dilution of contaminants:
- Rainwater harvesting can lead to the dilution of contaminants like fluorides and nitrates in groundwater.
- When rainwater infiltrates into the soil, it percolates through various layers and eventually reaches the groundwater reservoirs.
- During this percolation process, the rainwater mixes with the groundwater, thereby diluting the contaminants present in it.
- This dilution helps in reducing the concentration of harmful substances, making the groundwater safer for consumption.
Prevention of soil erosion:
- Rainwater harvesting plays a crucial role in preventing soil erosion.
- When rainwater falls on open ground without any harvesting system, it tends to run off and cause erosion.
- This runoff carries away the topsoil, which is rich in nutrients, and leads to the depletion of soil fertility.
- By implementing rainwater harvesting techniques such as contour trenches, check dams, and rooftop rainwater harvesting, the flow of rainwater is slowed down, allowing it to percolate into the soil.
- This reduces the velocity of runoff and prevents soil erosion, thereby preserving the quality of the soil and maintaining its productivity.
Reduction in saltwater intrusion:
- Rainwater harvesting can help in reducing saltwater intrusion in coastal areas.
- Coastal regions often face the issue of saltwater intrusion, where saline water from the sea enters the freshwater aquifers, making the groundwater saline and unsuitable for various purposes.
- By harvesting rainwater and promoting its use, the dependency on groundwater resources is reduced.
- This lowers the extraction of groundwater, which in turn reduces the pressure on freshwater aquifers and helps in preventing the intrusion of saltwater.
Conclusion:
Rainwater harvesting not only conserves water resources but also brings various other benefits. It helps in diluting contaminants in groundwater, preventing soil erosion, and reducing saltwater intrusion in coastal areas. By implementing rainwater harvesting techniques, we can ensure the sustainable use of water and protect the environment.
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Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer?
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Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer?.
Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer?.
Solutions for Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC.
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Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Rain-water harvesting can lead to:1. Dilution of contaminants like fluorides and nitrates in groundwater2. Prevention of soil erosion3. Reduction in the saltwater intrusion in coastal areasSelect the correct answer using the code given below.a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) 1,2 and 3Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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