Modelling of Storm Impacts on the Shandong Peninsula Coast.

Dalledonne, G. L. and Mayerle, Roberto (2016) Modelling of Storm Impacts on the Shandong Peninsula Coast. Journal of Coastal Research . pp. 70-82.

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Abstract

This paper presents results of the investigation of the effect of storms on the morphodynamics of the Yantai coastal areas in the Shandong Peninsula, China. A two-dimensional depth integrated morphodynamic model for prediction of the morphological changes during extreme events was developed and applied. The model covers the entire Bohai Sea with increasing grid resolution towards the coastal areas near Yantai. Calibration and validation using tidal constituents and measured water levels and current velocities showed that the model is capable of predicting the hydrodynamics in good agreement with observations. Emphasis was given to the proper description of the spatial distribution of the seabed sediments and bed stratigraphy. The 20 most severe storms observed in the region from 2000 to 2013 were identified and reconstructed. Storm surges with increases in mean sea level of up to 1.7 m and significant wave heights up to 4.1 m were considered. The results showed that during the storms the levels of energy are mainly due to waves and tidal currents are only relevant at the capes and some channels and straits along the Shandong Peninsula. The resulting morphological changes indicated that although there is an overall loss of seabed material, particularly during the peak of the storms, the beaches near Yantai recover quite quickly just a few days after the extreme events.

Document Type: Article
Additional Information: Times Cited: 0 Dalledonne, Guilherme L. Mayerle, Roberto 74
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
ISSN: 0749-0208
Projects: Future Ocean
Date Deposited: 30 Jan 2017 10:28
Last Modified: 01 Feb 2019 15:02
URI: http://oceanrep.geomar.de/id/eprint/35515

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