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Interaction of waves, currents and tides, and wave-energy impact on the beach area of Sylt Island

Pleskachevsky, Andrey and Eppel, D. and Kapitza, H. (2009) Interaction of waves, currents and tides, and wave-energy impact on the beach area of Sylt Island. Ocean Dynamics, 59 (3), pp. 451-461. Springer. DOI: 10.1007/s10236-008-0174-1 . ISSN 1616-7341.

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Erosion due to waves is an important and actual problem for most coastal areas of the North Sea. The objective of this study was to estimate the impact of wave action on the coastline of Sylt Island. From a 2-year time series (November 1999 to October 2001) of hydrological and wave parameters generated with a coupled wave–current modelling system, a period comprising storm ‘Anatol’ (3–4 December 1999) is used to investigate the effects of waves on currents and water levels and the input of wave energy into the coastline. The wave-induced stress causes an increase of the current velocity of 1 m/s over sand and an additional drift along the coast of about 20 cm/s. This produces a water level increase of more than 20 cm in parts of the tidal basin. The model system also calculates the wave energy input into the coastline. Scenario runs for December 1999 with a water level increase of 50 cm and wind velocity increased by 10% show that the input of the wave energy into the west coast of Sylt Island increases by 30% compared to present conditions. With regard to the forecasted near-future (Woth et al., Ocean Dyn 56:3–15, 2006) increase of strong storm surges, the scenario results indicate an increased risk of coastal erosion in the surf zone of Sylt Island.

Document Type:Article
Title:Interaction of waves, currents and tides, and wave-energy impact on the beach area of Sylt Island
AuthorsInstitution or Email of Authors
Pleskachevsky, AndreyUNSPECIFIED
Eppel, D.GKSS, Germany
Kapitza, H.GKSS, Germany
Date:June 2009
Journal or Publication Title:Ocean Dynamics
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 451-461
Keywords:Numerical modelling - Waves - Currents - Coupled models - Radiation stress - Wave energy - Storm Anatol - Climate scenario - Sylt Island - Wadden Sea
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Entwicklung und Erprobung von Verfahren zur Gewässerfernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Marine Remote Sensing
Deposited By: Bärbel Bolowski
Deposited On:06 Dec 2011 07:11
Last Modified:26 Mar 2013 13:34

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