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Title: Utility of dams in India
Authors: Jain, Sharad Kumar
Agarwal, Pushpendra Kumar
Issue Date: Jun-2016
Publisher: NISCAIR-CSIR, India
Abstract: Reservoir helps to transform the available resource into utilizable. Water stored in the reservoirs can be used for hydroelectric generation, irrigation, domestic use, navigation etc. Thus it is of paramount importance for India to create needed storage space so that adequate quantity of water can be stored and converted to utilizable resource. Based on available records with Central Water Commission, out of total constructed and under construction dams available in the country the age of about 50 dams is more than 100 years. In India, most of the water receives in four rainy months between June to September. The principal function of a reservoir is regulation of natural streamflow by storing surplus water in the high flow season to control floods and releasing the stored water in the dry season to meet various demands. Considering the availability of water resources and growth in population with consequent escalation of demands for food grain production, the country needs many more dams for harnessing the water resources. Generally, the major annual discharge available in the river receives in monsoon months only, therefore it is essential to store the excess water in the rainy months so that it can be used when the natural stream flow is not sufficient to meet the demand. Further, it is also essential to develop the optimum regulation policies for all the reservoirs in the country. In the present paper, need of storage dams, availability of large dams and their comparison for importance with small dams have been discussed. In addition, gains from optimum regulation of reservoirs have also been discussed in the paper.
Page(s): 94-101
Appears in Collections:BVAAP Vol.24(1) [June 2016]

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