Water Resources Of Karnataka
Karnataka Board · Class 9 · Social Science
Quick revision notes for Water Resources Of Karnataka — Karnataka Board Class 9 Social Science. Key concepts, formulas, and definitions for last-minute revision.
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Key Topics to Revise
Rivers of Karnataka
- Karnataka's rivers are classified into two main groups: East-flowing rivers and West-flowing rivers
- East-flowing rivers: Krishna, Cauvery, Pennar, and Palar - all join the Bay of Bengal
- West-flowing rivers: Sharavathi, Kali, Gangavali, Netravathi, Varahi, Aghanashini - all join the Arabian Sea
Irrigation in Karnataka
- Irrigation is the artificial supply of water for agriculture
- Main sources of irrigation: Wells, Canals, Tanks, and Tube wells
- Karnataka has 41% of cultivable land under irrigation - ranks 9th in India
Hydroelectric Power in Karnataka
- Karnataka was the first state in India to generate hydroelectric power successfully
- First hydro power station: Shivanasamudra (1902) for Kolar Gold Mines
- West-flowing rivers are more suitable for power generation due to steep slopes
Major Dams and Water Projects
- First large dam: Vanivilas Sagar (1907) near Hiriyuru under Marikanive plan
- Major dams: Krishnarajasagar, Tungabhadra, Almatti, Narayanapura, Kabini, Hemavati
- Dams serve multiple purposes: irrigation, power generation, flood control
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Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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