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Title: Management of water resources during the drought conditions
Authors: Nema, Manish Kumar
Issue Date: Jun-2016
Publisher: NISCAIR-CSIR, India
Abstract: Drought is one of the most devastating disaster among all the natural disasters, which affects all the aspects of life such as agriculture, livestock, human-life etc. Drought occur due to decrease in the availability of water caused by sub & normal rainfal, erratic rainfall distribution, more water demand or any combination of these factors. Drought can be classified into three categories, climatic hydrological and agricultural drought. When, the actual rainfall in a year is less than 25% of the average annual rainfall then the drought is marked as climatic drought. In a condition, when stream flow remains very low due to lack of surface water in rivers, it is called hydrological drought. Because of lack of soil moisture the water management strategies must be different than usual ones. The development the new strategies, technologies and skills to combat and mitigate the drought impacts with proper planning is crucial and need of the hour. Drought indices are most commonly and important criteria used to develop realistic and superficial planning for drought control and management based on various analysis in terms of decrease in precipitation, rainfall starting period, severity of the drought, rain termination sequence etc. In this paper, the definition of drought, various types of droughts and their characterization and important strategies for planning and management of water resources during the drought conditions has been elaborated.
Page(s): 86-93
Appears in Collections:BVAAP Vol.24(1) [June 2016]

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