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J. Mar. Sci. Eng. 2016, 4(3), 55; doi:10.3390/jmse4030055

Effects of Harbor Shape on the Induced Sedimentation; L-Type Basin

1
Ocean Engineering Department, University of Rhode Island, Narragansett, RI 02882, USA
2
Civil Engineering Department, Middle East Technical University, Ankara 06800, Turkey
3
Special Research Bureau for Automation of Marine Researches, Far Eastern Branch of Russian Academy of Sciences, Uzhno-Sakhalinsk 693013, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Richard P. Signell
Received: 18 July 2016 / Revised: 22 August 2016 / Accepted: 24 August 2016 / Published: 2 September 2016
View Full-Text   |   Download PDF [24858 KB, uploaded 2 September 2016]   |  

Abstract

Tsunamis in shallow water zones lead to sea water level rise and fall, strong currents, forces (drag, impact, uplift, etc.), morphological changes (erosion, deposition), dynamic water pressure, as well as resonant oscillations. As a result, ground materials under the tsunami motion move, and scour/erosion/deposition patterns can be observed in the region. Ports and harbors as enclosed basins are the main examples of coastal structures that usually encounter natural hazards with small or huge damaging scales. Morphological changes are one of the important phenomena in the basins under short and long wave attack. Tsunamis as long waves lead to sedimentation in the basins, and therefore, in this study, the relation to the current pattern is noticed to determine sedimentation modes. Accordingly, we present a methodology based on the computation of the instantaneous Rouse number to investigate the tsunami motion and to calculate the respective sedimentation. This study aims to investigate the effects of the incident wave period on an L-type harbor sedimentation with a flat bathymetry using a numerical tool, NAMI DANCE, which solves non-linear shallow water equations. The results showed that the corner points on the bending part of the basin are always the critical points where water surface elevation and current velocity amplify in the exterior and interior corners, respectively. View Full-Text
Keywords: numerical modeling; amplification; L-type basin; Rouse number numerical modeling; amplification; L-type basin; Rouse number
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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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Kian, R.; Velioglu, D.; Yalciner, A.C.; Zaytsev, A. Effects of Harbor Shape on the Induced Sedimentation; L-Type Basin. J. Mar. Sci. Eng. 2016, 4, 55.

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