Notes: Class 10 Geography - Water Resources

Live Session Information

• Welcome: Good evening everyone.
• Special Class: Complete revision of 10 chapters tomorrow, with two chapters selected for the exam.
• Keep sharing information.

Water Resources

Introduction to the Subject

• Importance of Water: Essential for life. Nothing is possible without water availability.
• Water Cycle: Evaporation, Vaporization, Precipitation and other processes.

Characteristics of Water Crisis

• Water Crisis: Lack of availability of sufficient water.
• Causes: Unlimited use of water and decline in quality.
  • Quantitative and Qualitative Crisis:
    • Quantitative: Not having the required amount of water.
    • Qualitative: Decrease in water quality.

Ways to Conserve Water

• Multipurpose Projects: Various aims such as water conservation, irrigation, power generation, etc.
• Rain Water Harvesting: Process of collecting rainwater.
  • Structure:
    • Storage: Through drains, tanks, and roofs.
    • Source: From streams and springs.

Multipurpose River Projects

Benefits of Dams

• Aid in Irrigation: Availability of water for agriculture.
• Electricity Generation: Production of electrical energy.
• Flood Control: Capability to control floods.

Limitations of Dams

• Environmental Problems: Negative impacts on climate and ecology.
• Community Displacement: Relocation of local population.

Jal Jeevan Mission

• Project: Ensuring access to potable water in all homes.
• Objective: Provide 55 liters of water to each family.

Major Issues

• Population Growth: Increasing demand for water due to population growth.
• Severe Water Pollution: Degradation of water quality by industries.

Progress in Rain Water Harvesting

• Necessity: Follow traditional water storage systems.
• Types:
  • Roof Water Collection.
  • Water Storage Tanks.

Conclusion

• Request to all students: Focus on the next action points!
• Teaching Methods: Always ask questions and clarify doubts.
• Important Dates: Special class on September 27.