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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 436 - 441 (6page)
이용수
초록· 키워드
오류제보하기
Wave field changes resulting from artificial coastal structures constructed in coastal zones have emerged as a major cause of beach erosion, among other factors. The rates of erosion along the eastern coast of Korea have varied mainly owing to the construction of various ports and coastal structures; however, impact assessments of these structures on beach erosion have not been appropriately conducted. Thus, in this study, a methodology to assess the impact of erosion owing to the construction of artificial structures has been proposed, for which a parabolic bay shape equation is used in determining the shoreline angle deformation caused by the structures. Assuming that the conditions of sediment or waves have similar values in most coastal areas, a primary variable impacting coastal sediment transport is the deformation of an equilibrium shoreline relative to the existing beach. Therefore, the angle rotation deforming the equilibrium of a shoreline can be the criterion for evaluating beach erosion incurred through the construction of artificial structures. The evaluation criteria are classified into three levels: safety, caution, and danger. If the angle rotation of the equilibrium shoreline is 0.1° or less, the beach distance was considered to be safe in the present study; however, if this angle is 0.35° or higher, the beach distance is considered to be in a state of danger. Furthermore, in this study, the distance affected by beach erosion is calculated in areas of the eastern coast where artificial structures, mainly including ports and power plants, were constructed; thereafter, an impact assessment of the beach erosion around these areas was conducted. Using a proposed methodology, Gungchon Port was evaluated with caution, whereas Donghae Port, Sokcho Port, and Samcheok LNG were evaluated as being in a state of danger.
목차
ABSTRACT
1. Introduction
2. Impact Assessment of Beach Erosion according to Rotation Angle of Equilibrium Shoreline
3. Coastal Erosion Impact Analysis Using Longshore Sediment Formula
4. Assessment of Impact of Beach Erosion by Artificial Structures in Eastern Coast of Korea
5. Discussion
6. Conclusions
References
참고문헌 (10)
참고문헌 신청
Hsu, J.R.C., Silvester, R., & Xia, Y.M. (1987). New Characteristics of Equilibrium Shaped Bays. Proceedings of 8th Australasian Conference on Coastal and Ocean Engineering, ASCE, 140-144.
Hsu, J.R.C., & Evans, C. (1989). Parabolic Bay Shapes and Applications. Proceedings of Institution of Civil Engineers, London, Part 2, 87, 557-570.
Kang, Y.K., Park, H.B., & Yoon, H.S. (2010). Shoreline Changes Caused by the Construction of Coastal Erosion Control Structure at the Youngrang Coast in Sockcho, East Korea. Journal of the Korean Society for Marine Environmental Engineering, 13(4), 296-304.
Komar, P.D., & Inman, L.D. (1970). Longshore Sand Transport on Beaches. Journal of Geophysical Research, 75(30), 5914-5927. https://doi.org/10.1029/JC075i030p05914
Lim, C.B., Lee, J.L., & Kim, I.H. (2019). Performance Test of Parabolic Equilibrium Shoreline Formula by Using Wave Data Observed in East Sea of Korea. Journal of Coastal Research, S.I. 91, 101-105.
Hsu, J.R.C., & Evans, C. (1989). Parabolic Bay Shapes and Applications. Proceedings of Institution of Civil Engineers, London, Part 2, 87, 557-570.
Kang, Y.K., Park, H.B., & Yoon, H.S. (2010). Shoreline Changes Caused by the Construction of Coastal Erosion Control Structure at the Youngrang Coast in Sockcho, East Korea. Journal of the Korean Society for Marine Environmental Engineering, 13(4), 296-304.
Komar, P.D., & Inman, L.D. (1970). Longshore Sand Transport on Beaches. Journal of Geophysical Research, 75(30), 5914-5927. https://doi.org/10.1029/JC075i030p05914
Lim, C.B., Lee, J.L., & Kim, I.H. (2019). Performance Test of Parabolic Equilibrium Shoreline Formula by Using Wave Data Observed in East Sea of Korea. Journal of Coastal Research, S.I. 91, 101-105.
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