Wave-induced bedload transport – a study of the southern Baltic coastal zone

• Autorzy: Dudkowska A. , Gic-Grusza G.

Identyfikatory

DOI

10.1515/logos-2017-0001

• Języki publikacji: EN

Abstrakty

EN

The wave-induced bedload transport and spatial distribution of its magnitude in the southern Baltic coastal zone of Poland are estimated. The vicinity of Lubiatowo was selected as a representative part of the Polish coast. It was assumed that transport is a function of shear stress; alternative approaches, based on force balances and discharge relationships, were not considered in the present study. Four models were studied and compared over a wide range of bottom shear stress and wind-wave conditions. The set of models comprises classic theories that assume a simplified influence of turbulence on sediment transport (e.g., advocated by authors such as Du Boys, Meyer-Peter and Müller, Ribberink, Engelund and Hansen). It is shown that these models allow to estimate transport comparable to measured values under similar environmental conditions. A united general model for bedload transport is proposed, and a set of maps of wave bedload transport for various wind conditions in the study area is presented.

Słowa kluczowe

EN

sediment transport models; non-cohesive sediments; bottom shear stress; northern Europe

PL

modele transportu osadów; nierówne osady; naprężenie ścinające; północna Europa

• Wydawca: Uniwersytet im. Adama Mickiewicza. Instytut Geologii
• Czasopismo: Geologos
• Rocznik: 2017
• Tom: Vol. 23, No. 1
• Strony: 1--14
• Opis fizyczny: Bibliogr. 42 poz.

Twórcy

autor

Dudkowska A.

• University of Gdańsk, Institute of Oceanography, Piłsudskiego 46, 81-378 Gdynia, Poland

autor

Gic-Grusza G.

• University of Gdańsk, Institute of Oceanography, Piłsudskiego 46, 81-378 Gdynia, Poland

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).