Stochastic Modelling of Reservoir Sedimentation in a Semi-Arid Watershed

N. Adam, S. Erpicum, P. Archambeau, M. Pirotton and B. Dewals ()

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2015, vol. 29, issue 3, 785-800

Abstract: Sedimentation in large reservoirs is a major concern in semi-arid regions characterized by severe seasonal water scarcity. As a contribution to improved sediment management, this study analyses the real case of the reservoir of Sidi Yacoub in the north of Algeria. First, a dynamic model of the reservoir was set up and used to estimate past water and sediment inflows (period 1990–2010) based on data recorded by the dam operator and measurements at a gauging station located downstream of the reservoir. Second, in a stochastic framework using the statistical characteristics of inflow and outflow discharges, a projection of future sedimentation was performed until 2030, assuming stationarity of the statistical distributions. Third, the model was used to investigate the influence of possible climate change and to quantify the positive effects of soil conservation measures upstream. Copyright Springer Science+Business Media Dordrecht 2015

Keywords: Reservoir sedimentation; Sediment management; Hydraulic engineering; Fluvial hydraulics (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:waterr:v:29:y:2015:i:3:p:785-800

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DOI: 10.1007/s11269-014-0843-4

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