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1 May 2017 Sedimentation for a Flood-dominant Estuarine Harbor Induced by Anthropogenic Activities
Hyeon-Jeong Kim, Seung-Won Suh, Jin-Su Seok, Won-Kyung Park
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Kim, H.-J.; Suh, S.-W.; Seok, J.-S., and Park, W.-K., 2017. Sedimentation for a flood-dominant estuarine harbor induced by anthropogenic activities. In: Lee, J.L.; Griffiths, T.; Lotan, A.; Suh, K.-S., and Lee, J. (eds.), The 2nd International Water Safety Symposium. Journal of Coastal Research, Special Issue No. 79, pp. 339–343. Coconut Creek (Florida), ISSN 0749-0208.

Sedimentation around the Kunjang harbor area in Korea has intensified at a rate of ~2.0 m/yr because of the construction of an estuarine dam in 1988, which resulted in the tidal energy being blocked and the development of a flood-dominant environment. The construction of several harbor facilities cumulatively altered the tidal hydrodynamics and yielded sedimentation. Moreover, the annual maintenance dredging for the main channel accelerated alteration. In order to understand the sedimentation characteristics, archived intensive depth measurements were used to assess the variations in the bottom shear stress. Our results showed that the bottom shear stress and tidal prism have lessened. The resulting sedimentation should be managed through dredging or minimization plans based on an appropriate engineering solution. In this paper, we suggest an optimized weighting factor to represent diverse physical morphological variations that affect the shear stress. It can be used to compensate for unsatisfactory results generated by a morphological model. Our findings can help in devising an efficient engineering approach to mitigate sedimentation for a flood-dominant estuarine harbor.

©Coastal Education and Research Foundation, Inc. 2017
Hyeon-Jeong Kim, Seung-Won Suh, Jin-Su Seok, and Won-Kyung Park "Sedimentation for a Flood-dominant Estuarine Harbor Induced by Anthropogenic Activities," Journal of Coastal Research 79(sp1), 339-343, (1 May 2017).
Received: 30 September 2016; Accepted: 31 October 2016; Published: 1 May 2017
bottom shear stress
sediment transport
tidal prism
weighting factor
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