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Title: Streamflow drought severity analysis of betwa river system (India)
Authors: Pandey R.P.
Mishra, Surendra Kumar
Singh R.
Ramasastri K.S.
Published in: Water Resources Management
Abstract: Streamflow appraisal in time and space particularly in semi arid and dry sub humid regions has vital importance in the formulation of round the year plan of water uses comprising domestic & industrial water supply, irrigation scheduling, reservoir operation, in-stream flow maintenance etc. Drought severity analysis including the estimation of flow availability, drought duration, and deficit volume etc. was carried out using the 20-42 years (1960-2001) 10-daily streamflow data of five sites on the Betwa River system and. independent streamflow drought events were described by pooling the data, and severity of an independent drought event classified using a new drought severity index (DSIe) defined as a function of (1) the ratio of deficit flow volume to corresponding volume at the truncation level and (2) the ratio of duration of deficit flow to the maximum possible duration of the independent streamflow drought event. The study found that the upper reaches of river course were more prone to severe droughts than were the lower reaches. The drought events starting during August-November were more likely to be severe drought events than those in the other months. © Springer Science+Business Media B.V. 2007.
Citation: Water Resources Management (2008), 22(8): 1127-1141
Issue Date: 2008
Keywords: Deficit flow
Drought duration
Drought index
Drought severity
Low flow
Truncation level
ISSN: 9204741
Author Scopus IDs: 7401527632
Author Affiliations: Pandey, R.P., National Institute of Hydrology, Uttaranchal 247 667, India
Mishra, S.K., Indian Institute of Technology, Uttaranchal 247 667, India
Singh, R., Indian Institute of Technology, Uttaranchal 247 667, India
Ramasastri, K.S., National Institute of Hydrology, Uttaranchal 247 667, India
Corresponding Author: Pandey, R.P.; National Institute of Hydrology, Uttaranchal 247 667, India; email:
Appears in Collections:Journal Publications [WR]

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