A 2-D Reservoir Routing Model: Sedimentation History of Abbeystead Reservoir, U.K

Bruno Molino (), Michele Greco and John Rowan

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2001, vol. 15, issue 2, 109-122

Abstract: A physically based two-dimensional model is applied to the case-study site of Abbeystead Reservoir, U.K. The model, developed fordensity currents, solves the Navier-Stokes equation coupled to ageneral sediment transport equation. Water flow and sediment motion are determined by reference to dimensionless Reynolds andRichardson numbers. An additional dimensionless parameter, πa,determines suspended and/or bedload sediment transport rates. Theperformance of the model is considered in relation to data obtained from repeated bathymetric surveys (1876–1991) for Abbeystead Reservoir, which provides an exceptionally detailed long-term record of sedimentation rates and deposition patterns.The suitability of the adopted two-dimensional scheme is relatedto the local morphology of the reservoir and the time-scale of the delta propagation process. First results show good agreementbetween the numerical simulations and the field data. The modelis able to reproduce both the dynamics of delta growth and the quasi-equilibrium delta form reached as the infilling process nears completion. Copyright Kluwer Academic Publishers 2001

Keywords: numerical model; reservoir; sedimentation (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (4)

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DOI: 10.1023/A:1012550625107

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