Bratin kundu 8th 28

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Its my presentation om water as well as our multipurpose projects

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Bratin kundu 8th 28

  1. 1. ACTIVITY - 1 LESSON - 11 NAME : KUNDU BRATIN ROLL NO. :28 STANDARD : 8TH SUBJECT : SOCIAL STUDIES TOPIC : WATER RESOURCES SIGN : GUIDED BY :KUNDU MADAM
  2. 2. WHAT IS WATER? We have leant a proverb “Water is Life”. Water is a natural resource. It’s chemical formula H2O. It is used for drinking , washing clothes and utensils etc. 97% of the water on the Earth is salt water, and only 3% is fresh water
  3. 3. WHAT IS WATER RESOURCES ? Water resources are sources of water that are useful or potentially useful. 97% of the water on the Earth is salt water, and only 3% is fresh water . The framework for allocating water resources to water users is known as water rights. Fresh water is a renewable resource, yet the worlds supply of clean, fresh water is steadily decreasing.
  4. 4. RIVERS OF NORTH INDIA The origins of the rivers of North India are in the glaciers and ice sheets. These rivers create flood twice in a year. The snow melts and it forms water and flood occurs in rivers. There are many rivers in north India. They are useful as waterways.
  5. 5. GANGA The very important river of south India is Ganga. It is called holy river of India. It originates from Gangotri. It flows in states like Uttaranchal , Uttar Pradesh , Bihar and Paschimbanga. It meets Bay of Bengal. It is an important river for irrigation.
  6. 6. GANGA & IT’S TRIBUTARIES Tributaries like Gomati , Gandak Ghaghara and Kosi met Gangarom North. Chambal,Betwa & Ken meet Ganga from south. Delhi , Mathura & Agra are situated on the bank of river Ganga. Ganga and her tributaries are perennial rivers.
  7. 7. BRAHMAPUTRA Brahmaputra also originates Himalaya. It flows through Arunachal Pradesh. She is known as Tsang Po in Tibet and Padma in Bangladesh. It is useful as waterways. Brahmaputra is a deep river.
  8. 8. BRAHMAPUTRA & TRIBUTARIES As these rivers flow through the regions the place receive more rainfall. Brahmaputra and its tributaries are always full of water and are used as waterways. Dibrugadh , Tezpur , Guwahati etc. are states located on bank of this river and every year flood occurs.
  9. 9. SINDHU River Sindhu originates from Man Sarovar from Himalayas. It is also called Indus river. It meets Arabian Sea. Then it flows through Pakistan. It is also flows in Jammu & Kashmir. There are many rivers joining Sindhu.
  10. 10. SINDHU & TRIBUTARIES The Sindhu & tributaries flows of Panjnad . Jhelum , Chenab , Ravi , Beas and Satluj are tributaries of Sindhu. The land of these areas are full of irrigation facilities. Satluj is the biggest of all.
  11. 11. RIVERS OF SOUTH INDIA Narmada , Tapi , Mahanadi , etc. are main rivers of South India. They originate from low mountain area. There are less water in these rivers. Dhuaandhar on Narmada , Jog on Sharavati & Shivsamudram on Kaveri are waterfalls in South India. Most of South Indian rivers meet Bay of Bengal.
  12. 12. NARMADA River Narmada originates from Amarkanthak hills. Narmada is the river of Madhya Pradesh Sardar Sarovar Project is established on river Narmada. It meets Gulf of Khambhat. It is the biggest river of Gujarat & Narmada.
  13. 13. GODAVRI Godavari originates from Western Ghats. It is the longest river of South India. It meets Bay of Bengal. It flows through states like Maharashtra & Andra Pradesh.
  14. 14. KAVERI Kaveri is known as Ganga of the South. It originates from Western Ghats. It meets Bay of Bengal. Kaveri has formed a small but fertile delta. There is one waterfall namely “Shivsamudram”. There are two dams namely Krishnaraj Sagar and Mettur.
  15. 15. KRISHNA Krishna river originates from Western Ghats. It flows through Maharashtra , Karnataka and Andra Pradesh. It meets Bay of Bengal. River Bhima and Tungabhadra meet Krishna river. A huge dam Nagarjunsagar is constructed on it.
  16. 16. CONSERVATION OF WATER Conservation of water should be done forgetting water in the future. Store rain water so that it can help in the time of famine or drought. Water should be use economically. Make ponds , chek dams in village. Make dams in different areas.
  17. 17. WHAT IS MULTIPURPOSE PROJECT ?A project to built dam and huge water reservoir on a river and use it for irrigation , hydroelectcity , flood control , is called multipurpose project.
  18. 18. PURPOSE OF MULTIPURPOSE Development of irrigation . Production of Hydroelectricity. Controlling river floods . Prevention of soil erosion . Construction of canals as waterways. Development of fisheries. Promoting tourist resorts. Providing clean and fresh water.
  19. 19. BHAKRA NAGAL PROJECT Bhakra Nangal dam is constructed on river Satluj in Punjab. The vast reservoir created by this dam is named “Govind Sagar”. This project is to be said an engineering marvel. The electricity is generated is useful to Himachal Pradesh,Punjab , Haryana.
  20. 20. HIRAKUND PROJECT This project is built on Mahanadi in Orissa. This dam is the longest dam in the world. It is the largest multipurpose project in Orissa. It helps in irrigation in Orissa. The electricity is produced in this dam.
  21. 21. DAMODAR VALLEY PROJECT Damodar valley project is the first multipurpose project in India. It is built on Damodar river . Apart from this another dam in Durgapur is built on and a long canal of 118 km. It meets Hugli river. It is used in irrigation and producing electricity in West Bengal & Jharkhand.
  22. 22. SARDAR SAROVAR PROJECT This project is built on river Narmada. It is 1210m long & 137.16m high dam. The vast reservoir created by this dam is named “Sardar Sarovar’. The network of this project is till 40,000kms. It is benefited for states like Gujarat, Maharashtra etc. The Narmada canal is longest irrigation canal in world.
  23. 23. WHAT WE LEARNT? We learnt that we should save water. Water is needed for many purpose. “Water is Life”. Use water economically. There are many huge dams in India. There are many big rivers in India. Rivers are used in irrigation , producing electricity etc.
  24. 24. THANKS FROM SIGN :

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