Class 10 water resource PPT presentation

1. WATER RESOURCES

3. Sources of water
• Atmospheric water
• Surface water
• Ground water
• Ocean water

6. Reach earth tthrough
1. Rain
2. Ssnow
3. Dew #negligible
very seasonal
117cm average
less rainfall in desert

9. Surface water
• River, lake, pond, tank
• 10,360 rivers include Ganga, kaveri, brahmaputra, mahanadi
• Lake like Wular, Loktak are confined only in particular area

14. Ground water
• Ganga and Brahmaputra replenish ground water about 46 percent
• Penisular area are deprive of ground water due to impervious rock
and water table is very low
• Tamil Nadu and M. P has high potential
• Low water table is due to overdrawing of water, deforestation and
runaway waters from river and rain due to various reason

17. Ocean water
• Due to peninsula projection large part of India has free access to sea
and ocean
• Numerous Lagoons and backwater gives another advantage in some
coastline areas
• But due to its salinity it has limited ues

21. Utilisation
• Canal
• Well and tube well
• Tank

25. Multi-purpose river projects
• Bhakra Nangal Project
• Damodar valley Project
• Hirakud Project
• Beas
• Rajasthan Canal
• Kosi
• Nagarjuna Sagar
• Tungabadra
• Chambal
• Sardar Sarovar

27. Bhakra Nangal Project
• Sutlej river
• Joint venture of Punjab, haryana, Rajasthan and delhi
• Highest in the world
• Irrigated 1.5million hectares
• Produce 1204MW

29. Damodar Valley Project
• 4dams built on Damodar river
• 5.5lakhs hectares
• 118MW
• CONTROL FLOODS

31. Hirakud Project
• Mahanadi river Orissa
• Longest in world
• 350 MW
• 1M hectares

33. Chambal Project
• M.P and Rajasthan
• 5.6lakh hectares
• 386MW

35. Tungabhadra Project
• A. P and Karnataka
• 3.9lakh hectares
• Tungabhadra is a Krishna river tributeries
• Dam built at mallapuram

37. Beas Project
• Links Beas and Sutlej
• Dam at Pong
• 1.7m hectares in Punjab, Haryana and Rajasthan

39. Rajasthan Canal Project
• Otherwise called Indira Gandhi Canal
• 1.25m hectares
• Feeds thirsty dry state of Rajasthan
• From Sutlej, Ravi and Beas River