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Water Resources

ICSE · Class 10 · Geography

Complete topic list for Water Resources in ICSE Class 10 Geography. Key concepts, sub-topics, and what to focus on for board exams.

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An infographic showing key statistics about India's share of world surface area, water resources, population, total precipitation, and utilisable water resources.
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4 Topics · ICSE Class 10 Geography

Topics in Water Resources

1

Water Resources in India - Sources and Distribution

  • India occupies only 2.4% of world's surface area but houses 16% of world's population with only 4% of world's water resources
  • India receives 4000 billion cubic metres (BCM) of water from precipitation annually
  • Main sources: Surface water (rivers, lakes, ponds, canals), Groundwater (aquifers), Lagoons and backwater
2

Importance and Need for Irrigation

  • India is essentially an agricultural country with over half area under arable land
  • Irrigation defined as 'artificial supply of water to crops through canals, wells, tube wells from natural water sources'
  • Need arises due to tropical monsoon climate - erratic, unreliable, uncertain, unevenly distributed rainfall
3

Methods of Irrigation - Traditional

  • Canal Irrigation: Covers about 40% of total irrigated area, mainly in northern India
  • Two types of canals: Inundation canals (flood-dependent, seasonal) and Perennial canals (year-round supply)
  • Canal irrigation requires: low-level relief with fertile soil, perennial water source, flat terrain
4

Modern Methods of Irrigation

  • Sprinkler Irrigation: Water applied as spray resembling rainfall, suitable for arid regions
  • Advantages: no water loss through seepage/evaporation, best for water conservation, easy mechanization
  • Disadvantages: high initial and operating costs, affected by wind, may cause leaf scorch

Key Concepts

Water available on Earth's surfaceRainwater that seeps through cracksWater distribution system using canals fromWater collection in natural or artificialWater extraction from underground sources through

Frequently Asked Questions

What are the important topics in Water Resources for ICSE Class 10 Geography?
Water Resources covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Water Resources — ICSE Class 10 Geography?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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