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WATER RESOURCES DEVELOPMENT & UTILIZATION IN WESTERN INDIA ARAVAZHI.T BTE-06-002.

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Presentation on theme: "WATER RESOURCES DEVELOPMENT & UTILIZATION IN WESTERN INDIA ARAVAZHI.T BTE-06-002."— Presentation transcript:

1 WATER RESOURCES DEVELOPMENT & UTILIZATION IN WESTERN INDIA ARAVAZHI.T BTE

2 Indias Water Budget Annual precipitation km3 Annual flow per year for the Indian rivers km3. Annual replenishable groundwater resources -432 km3 Annual utilizable surface water 690 km3 per year Annual groundwater resources 396 km3 per year Cherrapunji -Highest Rainfall in the world

3 Western India

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5 Major Rivers Of Western India Name of the RiverLength(km)Catchment Area(sq km) Sabarmati Mahi Narmada Tapti Mahanadi Godavari

6 Basin Wise Average Flow And Utilizable Water Name of the RiverAverage annual flow (km³/yr) Utilizable flow (km³/yr) Sabarmati3.81 Mahi Narmada Tapti Mahanadi Godavari

7 Rainfall Conditions Annual rainfall of less than 500 mm is experienced in western Rajasthan and adjoining parts of Gujarat. Some parts of Western Rajastan receives annual rainfall of less than 100 mm. Nearly 80 per cent of the land in the Konkan, which receives the highest rainfall on the West Coast.

8 Average Annual Rainfall Of The Western States StateMeteorological Divisions Average annual rainfall (mm) Gujarat Gujarat region Saurashtra and Kachchh 1, GoaKonkan and Goa3,005 Maharashtra Konkan and Goa Madhya Maharashtra Marathwada Vidarbha 3, ,034 Rajasthan West Rajasthan East Rajasthan

9 Irrigation Sources Name of the state CanalswellsTanksOther Sources (%) Total gross irrigated Area (1000 ha) No% % % Goa Gujarat Maharastra Rajastan D & N haveli (UT)

10 Irrigation Projects Name of the stateMajor irrigation projectsMedium Irrigation projects Goa12 Gujarat22132 Maharastra66273 Rajastan10101

11 Recharge Of Aquifers In western indias unconfined alluvial aquifers, it is being increasingly realized that groundwater depletion can be countered only by importing surface water. Sardar Sarovar Project (SSP) The purpose of the project is to identify reliable sources of water of sufficient quantity and quality to supply.

12 Gross Irrigated Area StateGeographical area (m ha) Gross Area under cultivation (m ha) Gross area irrigated (m ha) Gross area irrigated to gross area cultivated (%) Net area irrigated (m ha) Goa Gujarat Maharastra Rajastan D & N haveli Daman & Diu

13 State wise Ultimate Irrigation Potential & Potential Created stateUltimate potetial% of PC to UIP MMIMI-SurfaceMI- Groundwater MMIMI- Surface MI- Groundwater Gujarat Maharashtra Rajastan

14 State Wise Growth Rate In Groundwater Irrigated Area ( to ) State to to to Gujarat Maharashtra Rajasthan

15 Reference A.M.Michael Irrigation theory & practice A. Narayanamoorthy Trends in Irrigated Area in India: to

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