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Proceedings 2018, 2(11), 627; https://doi.org/10.3390/proceedings2110627

Parameter Optimization of a Bed Load Transport Formula for Nestos River, Greece

1
Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
2
Department of Civil Engineering, Democritus University of Thrace, Kimmeria Campus, 67100 Xanthi, Greece
Presented at the 3rd EWaS International Conference on “Insights on the Water-Energy-Food Nexus”, Lefkada Island, Greece, 27–30 June 2018.
*
Author to whom correspondence should be addressed.
Published: 28 August 2018
PDF [502 KB, uploaded 29 August 2018]

Abstract

In the Second EWaS International Conference (June 2016, Chania, Crete, Greece), the bed load transport formula of Meyer-Peter and Müller (1948) was calibrated with respect to the bed roughness coefficient for Nestos River. The calibration was manual and incremental, taking five measured values of bed load transport rate at a time. In contrast, the present study carries out a nonlinear optimization of two suitable parameters, while utilizing the average value of the roughness coefficient kst found by the manual calibration. Thus, a uniform calibration is attained, by taking at once the totality of the available 68 measurement points. The results did not show any marked fitting improvement in comparison to the previous study. However, considering moving averages of the measured bed load transport values yields a better adjustment of the model to the measured results.
Keywords: bed load transport rate; measurements; calculations; Meyer-Peter and Müller formula; calibration bed load transport rate; measurements; calculations; Meyer-Peter and Müller formula; calibration
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Sidiropoulos, E.; Papalaskaris, T.; Hrissanthou, V. Parameter Optimization of a Bed Load Transport Formula for Nestos River, Greece. Proceedings 2018, 2, 627.

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