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Issue 14 (1) 2015 pp. 201–212

Joanna Wicher-Dysarz, Tomasz Dysarz

Uniwersytet Przyrodniczy w Poznaniu

UNCERTAINTY IN ASSESSMENT OF ANNUAL INFLOW OF SEDIMENTS TO THE STARE MIASTO RESERVOIR BASED ON EMPIRICAL FORMULAE

Keywords: reservoir sedimentation, sediment transport capacity, uncertainty, two-stage reservoirs
Abstract:

In the presented paper the analysis of uncertainty in assessment of annual sediment inflows to the Stare Miasto reservoir is presented. The reservoir is chosen because of its specific structure. It is two-stage reservoir. The upper part of the reservoir is separated from the main part by small upper dam with sluice gate. Upper part is smaller and plays a role of so called pre-dam reservoir designed to collect sediments. In this part the conditions for deposition of sediments are very good, what prevents from sedimentation of the main part. In the research the several data are used. These include reservoir bathymetry, hydraulic structures documentation, hydrologic data and water heads in the main dam. In the analyses the empirical formulae for sediment transport are implemented. The formulae used are Ackersa-White, MPM, van Rijn, Engelund-Hansen, Yang, Toffalet and WilcockCrow. The computations are verified on the basis of current bathymetry measurements and estimated real sediment deposition. The obtained results vary significantly, what indicated importance of the structural uncertainty in analysis of reservoir sedimentation.

pub/14_1_201.pdf Full text available in in Adobe Acrobat format:
http://www.formatiocircumiectus.actapol.net/volume14/issue1/14_1_201.pdf

DOI: 10.15576/ASP.FC/2015.14.1.201

For citation:

MLA Wicher-Dysarz, Joanna, and Tomasz Dysarz. "UNCERTAINTY IN ASSESSMENT OF ANNUAL INFLOW OF SEDIMENTS TO THE STARE MIASTO RESERVOIR BASED ON EMPIRICAL FORMULAE." Acta Sci.Pol. Form. Cir. 14.1 (2015): 201–212. http://dx.doi.org/10.15576/ASP.FC/2015.14.1.201
APA (2015). . Acta Sci.Pol. Form. Cir. 14 (1), 201–212 http://dx.doi.org/10.15576/ASP.FC/2015.14.1.201
ISO 690 WICHER-DYSARZ, Joanna, DYSARZ, Tomasz. UNCERTAINTY IN ASSESSMENT OF ANNUAL INFLOW OF SEDIMENTS TO THE STARE MIASTO RESERVOIR BASED ON EMPIRICAL FORMULAE. Acta Sci.Pol. Form. Cir., 2015, 14.1: 201–212. http://dx.doi.org/10.15576/ASP.FC/2015.14.1.201
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Streszczenie w języku polskim:
http://www.formatiocircumiectus.actapol.net/tom14/zeszyt1/abstrakt-201.html