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박일흠(I.H. Park),김길균(K.K. Kim),이익효(I.H. Lee) 한국해양환경·에너지학회 2005 한국해양환경공학회 학술대회논문집 Vol.2005 No.11
Cohesive sedimentation mechanism has flocculation process which is characterized by cohesion and thus is affected by various physical-chemical factors. In this study, to predict transport of cohesive sediment due to restoration of sea area in coastal region, numerical experiments were carried out and the input parameters in the numerical model were selected by the various hydrodynamic and sedimentary observations. The bottom materials such as silt or clay, in there, were commonly distributed at low speed area of tidal current, but gravel type was existed around high speed area. And also, the spacial SS concentration showed high value tendency in the high speed and deeper area. In the results of numerical experiment, on the other hand, the bottom shear stress was somewhat increased after sea area restoration. Therefore the erosion length of 5 ㎝/year was estimated around restoration area.