• Title/Summary/Keyword: Coastal Zone

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Evaluation of Bio-Chemical Restoration Index at the Creation Site of Ecological Environmental Zone in Coastal Area (연안생태환경공간 조성지의 생물-화학적 복원지수 평가)

  • Lee, In-Cheol;Yi, Byung Ho;Park, So Young;Ryu, Cheong Ro
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.28 no.1B
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    • pp.161-168
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    • 2008

  • The ecological environmental zones in coastal area, like tidal flat and salt marsh, were gradually decreased due to large scale of coastal development projects, reclamation and so on. Therefore, the development of artificial tidal flat and salt marsh has been emphasized in coastal area as mitigation concept and studies on related this background has performed. But studies on the quantitative evaluation for degree of restoration were insufficient. In this paper, as a fundamental study for evaluation of restoration on the creation of ecological environmental zones in coastal area, it was conducted that the monitoring and experiment for bio-chemical factors (bio-diversity, population and biomass of macro-benthos, survival ratio of reed, the number of heterotrophic bacteria and physico-chemical characteristics such as COD, IL, TN, TP and pH) using a in-situ pilot plant of tidal flat (Zone. P1) and salt marsh (Zone. P2), which was distinguished by content of dredged soil, in Jinudo, Nakdong estuary. From results of this study, the restoration index (RI), for evaluation concerning degree of restoration on the creation of ecological environmental zones in coastal area, was suggested and quantitative evaluation was performed using a restoration index (RI).

  • https://doi.org/10.12652/Ksce.2008.28.1B.161 인용 PDF

A Survey and Analysis of Swim Zone Width and Beach Scale Factor for Gangwon Beaches (강원도 해수욕장의 유영폭 및 해빈단면 축척계수 조사 분석)

  • Lee Jung-Lyul;Kim In-Ho
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.18 no.3
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    • pp.241-250
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    • 2006

  • In the present study, a beach survey such as sand sizes, swim zone widths, and slopes of swash zone has been accomplished for 39 beaches along the Gangwon coastline. The data analysis presents that the swim zone width has a strong correlation with the sand size, showing that the swim zone width is reversely proportional to the 1.1 power of a grain size. The profile factor A has been analyzed using the beach profile form of $h=Ay^{2/3}$, where A was resulted to be proportional to the 0.77 power of a gram size.

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