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Life forecasting of Getalsud Reservoir in India based on its sedimentation behaviour
Author(s) -
Sahay Rajeev Ranjan
Publication year - 2011
Publication title -
lakes and reservoirs: research and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.296
H-Index - 39
eISSN - 1440-1770
pISSN - 1320-5331
DOI - 10.1111/j.1440-1770.2011.00488.x
Subject(s) - sedimentation , sediment , environmental science , trap (plumbing) , hydrology (agriculture) , sediment trap , geology , environmental engineering , geomorphology , geotechnical engineering
The sedimentation behaviour of Getalsud Reservoir in the Jharkhand State of India was studied, and its useful life and performance forecasted. The quantity of sediment and its vertical distribution over different reservoir elevations have been estimated using standard methods. The study results indicate the provisions made for sediment deposit in the reservoir are sufficient, and the useful life of the reservoir will be longer than its design life of 100 years. The trap‐efficiency of the reservoir is not anticipated to vary much until the year 2250, after which it is expected to rapidly decrease. In the first 100 years of impoundment, the reservoir loses 60% of its dead storage, 13% of its live storage and 24% of its gross storage. At its present sedimentation rate, Getalsud Reservoir may become fully obsolete by the year 2500.