Surface Water in Rajasthan

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Surface Water in Rajasthan

Surface Water

  • Total Availability:
  • Combined availability: 43.26 BCM
  • Surface water within state boundary: 25.38 BCM
  • Water allocated from interstate treaties: 17.88 BCM
  • Total surface water availability: 1.16% of national resources
  • Current Status of Water Resources Department:
  • Major Tanks:
    • Number: 24
    • Capacity: 6296.48 Mcum
  • Medium Tanks:
    • Number: 84
    • Capacity: 2133.34 Mcum
  • Minor Tanks:
    • Number: 3331
    • Capacity: 3455.38 Mcum
  • Water Harvesting Structures (WHS):
    • Number: 74271
    • Capacity: 2942.29 Mcum
  • Total:
    • Number: 77710
    • Capacity: 14827.49 Mcum
  • Total Culturable Command Area (CCA) of Major/Medium/Minor Tanks/WHS: 1,754,608 Ha

Rainfall

  • Aerial Distribution:
  • Varies from 158.0 mm in Jaisalmer to 968.0 mm in Sirohi

These notes summarize the key points about surface water availability and rainfall distribution in Rajasthan.

Sure, here are the notes converted into a question-answer format:

Surface Water

Q1: What is the total combined availability of surface water in Rajasthan?

  • A1: The total combined availability of surface water in Rajasthan is 43.26 BCM.

Q2: How much surface water is available within the state boundary of Rajasthan?

  • A2: The surface water available within the state boundary is 25.38 BCM.

Q3: What is the amount of water allocated from interstate treaties to Rajasthan?

  • A3: The water allocated from various interstate treaties is 17.88 BCM.

Q4: What percentage of the national surface water resources does Rajasthan’s total availability represent?

  • A4: Rajasthan’s total surface water availability represents 1.16% of the national resources.

Q5: How many major tanks are there in Rajasthan, and what is their total capacity?

  • A5: There are 24 major tanks in Rajasthan with a total capacity of 6296.48 Mcum.

Q6: How many medium tanks are present in Rajasthan, and what is their total capacity?

  • A6: There are 84 medium tanks in Rajasthan with a total capacity of 2133.34 Mcum.

Q7: What is the number and capacity of minor tanks in Rajasthan?

  • A7: There are 3331 minor tanks in Rajasthan with a total capacity of 3455.38 Mcum.

Q8: How many water harvesting structures (WHS) are there, and what is their total capacity?

  • A8: There are 74271 water harvesting structures (WHS) with a total capacity of 2942.29 Mcum.

Q9: What is the total capacity of all water resources (major tanks, medium tanks, minor tanks, and WHS) in Rajasthan?

  • A9: The total capacity of all water resources in Rajasthan is 14827.49 Mcum.

Q10: What is the total Culturable Command Area (CCA) of major/medium/minor tanks and WHS in Rajasthan?

  • A10: The total Culturable Command Area (CCA) is 1,754,608 Ha.

Rainfall

Q11: What is the range of average annual rainfall across districts in Rajasthan?

  • A11: The average annual rainfall varies from 158.0 mm in Jaisalmer to 968.0 mm in Sirohi.

Sure, here are some MCQs based on the data provided:

Surface Water

1 What is the total combined availability of surface water in Rajasthan?

  • A) 43.26 BCM
  • B) 25.38 BCM
  • C) 17.88 BCM
  • D) 14827.49 Mcum Answer: A) 43.26 BCM

2 How much surface water is allocated from interstate treaties to Rajasthan?

  • A) 25.38 BCM
  • B) 17.88 BCM
  • C) 1.16%
  • D) 14827.49 Mcum Answer: B) 17.88 BCM

3 What percentage of the national surface water resources does Rajasthan’s total availability represent?

  • A) 0.76%
  • B) 1.16%
  • C) 2.16%
  • D) 3.16% Answer: B) 1.16%

4 How many major tanks are there in Rajasthan?

  • A) 84
  • B) 24
  • C) 3331
  • D) 74271 Answer: B) 24

5 What is the total capacity of medium tanks in Rajasthan?

  • A) 3455.38 Mcum
  • B) 2133.34 Mcum
  • C) 2942.29 Mcum
  • D) 6296.48 Mcum Answer: B) 2133.34 Mcum

6 What is the total capacity of all water resources (major tanks, medium tanks, minor tanks, and WHS) in Rajasthan?

  • A) 2133.34 Mcum
  • B) 3455.38 Mcum
  • C) 6296.48 Mcum
  • D) 14827.49 Mcum Answer: D) 14827.49 Mcum

7 What is the total Culturable Command Area (CCA) of major/medium/minor tanks and WHS in Rajasthan?

  • A) 1,000,000 Ha
  • B) 1,754,608 Ha
  • C) 2,500,000 Ha
  • D) 3,000,000 Ha Answer: B) 1,754,608 Ha

Rainfall

8 What is the average annual rainfall in Jaisalmer?

  • A) 968.0 mm
  • B) 500.0 mm
  • C) 158.0 mm
  • D) 300.0 mm Answer: C) 158.0 mm

9 Which district in Rajasthan has the highest average annual rainfall?

  • A) Jaisalmer
  • B) Sirohi
  • C) Jaipur
  • D) Udaipur Answer: B) Sirohi

10 What is the range of average annual rainfall across districts in Rajasthan?

  • A) 100.0 mm to 800.0 mmB) 158.0 mm to 968.0 mmC) 200.0 mm to 1000.0 mmD) 300.0 mm to 1200.0 mm
Answer: B) 158.0 mm to 968.0 mm

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