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geography Water Resources Notes (Jamnabai Narsee School (JNS), Mumbai)

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Jamnabai Narsee School (JNS), Mumbai

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GEOGRAPHY WATER RESOURCES STD10 2018-2019 [A] 1. Mention some sources of ground water. Lakes rivers Tanks wells tube wells lagoons. Tanks Canals and wells =conventional sources of water. 2. What is irrigation? Irrigation is the artificial application to water to land for cultivation of crops. 3. Why is Irrigation so very important to a country like India? India is an agricultural country India has along growing season for crops and water is not available throughout the year so it has to be stored. Indian agriculture is mainly dependent on rain. The Indian monsoon is untimely, erratic unevenly distributed in the country. It is seasonal. Some crops grow in winter and some in winter so an artificial source of water is required. The ever growing population of the country is yet another reason because the demand for intensive agriculture only increases. 4 what are lagoons and backwaters? Lagoons and Backwaters are found in Indias Indented coastline especially in states like Kerala and Orissa. They are useful for: Fishing, Paddy cultivation, growing coconuts. 5. What is a multipurpose project? How is it useful? A multipurpose project makes use of perennial rivers by taming them behind a dam. It makes effective use of river water: To prevent floods Drinking water Irrigation Navigation 1

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