Water Resources Assessment in a River Basin Using AVSWAT Model

Authored by: Aavudai Anandhi , V.V. Srinivas , D. Nagesh Kumar

Handbook of Engineering Hydrology

Print publication date:  March  2014
Online publication date:  March  2014

Print ISBN: 9781466552494
eBook ISBN: 9781466552500
Adobe ISBN:


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Water as a source of life has become more important in this century due to increase in its consumption owing to the population explosion, unprecedented rise in standard of living, enormous industrial development, and technological advancements. At the global scale, between 1970 and 1990, the amount of freshwater resources available per capita decreased by a third (See page 12 in Chapter 1 of [20]). Also, water crisis is predicted to take place by mid-twenty-first century. Hence, water management continues to be a high priority issue in international agendas. The 19th special session of the UN General Assembly concluded that water would become a major limiting factor in socioeconomic development and the seriousness of the situation calls for the highest priority to be given to the freshwater problems [19]. However, the holistic integrated and environmentally sound sustainable management of our water resources is intimately linked to our ability to adequately assess them. Hence, water resources assessment (WRA) has become more essential than ever for meeting the world's water needs. WRA is defined as the determination of the sources, extent, dependability, and quality of water resources for their utilization and control. Here, water resources are defined as the water available, or capable of being made available, for use in sufficient quantity and quality at a location and over a period of time appropriate for an identifiable demand [16].

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