<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper deals with research uncertainties, difficulties, inaccuracies and unreliabilities related to the modelling of physical phenomena involving coastal lithodynamics. The considerations are focused on processes of wave transformation, wave-driven currents and sediment transport itself. It is shown that possible inaccuracies at individual stages of the modelling of coastal hydrodynamics can lead to serious uncertainties with respect to the ultimate modelling output, namely bed shear stresses and sediment transport rates. These inaccuracies result mostly from arbitrarily assumed parameters and constants. Other modelling biases discussed in the paper comprise simplifications and approximations with respect to sediment resources and size-graded properties, randomness of hydrodynamic impacts, bottom roughness and land-borne factors involved in coastal lithodynamics.</p></abstract>

The paper deals with research uncertainties, difficulties, inaccuracies and unreliabilities related to the modelling of physical phenomena involving coastal lithodynamics. The considerations are focused on processes of wave transformation, wave-driven currents and sediment transport itself. It is shown that possible inaccuracies at individual stages of the modelling of coastal hydrodynamics can lead to serious uncertainties with respect to the ultimate modelling output, namely bed shear stresses and sediment transport rates. These inaccuracies result mostly from arbitrarily assumed parameters and constants. Other modelling biases discussed in the paper comprise simplifications and approximations with respect to sediment resources and size-graded properties, randomness of hydrodynamic impacts, bottom roughness and land-borne factors involved in coastal lithodynamics.

On Uncertainties in Determination of Sediment Transport Rates in Coastal Regions

Institute of Hydro-Engineering, Polish Academy of Sciences, Koscierska 7, 80-328 Gdansk,

Archives of Hydro-Engineering and Environmental Mechanics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"On Uncertainties in Determination of Sediment Transport Rates in Coastal Regions"}

The paper deals with research uncertainties, difficulties, inaccuracies and unreliabilities related to the modelling of physical phenomena involving coastal...

On Uncertainties in Determination of Sediment Transport Rates in Coastal Regions

Publié en ligne: 26 avr. 2017

Pages: 265 - 280

Reçu: 30 nov. 2016

DOI: https://doi.org/10.1515/heem-2016-0017

Mots clés
waves, wave-driven currents, bed shear stresses, friction velocity, sediment transport

© by Rafał Ostrowski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

On Uncertainties in Determination of Sediment Transport Rates in Coastal Regions

Publié en ligne: 26 avr. 2017

Pages: 265 - 280

Reçu: 30 nov. 2016

DOI: https://doi.org/10.1515/heem-2016-0017

Mots cléswaves, wave-driven currents, bed shear stresses, friction velocity, sediment transport

© by Rafał Ostrowski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
waves, wave-driven currents, bed shear stresses, friction velocity, sediment transport