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논문

연안식생에 의한 표사이동 특성에 관한 수치해석

Numerical Analysis for Wave Propagation and Sediment Transport with Coastal Vegetation

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참고문헌

키워드

주제분류해양공학

초록

Abstract

The environmental value of coastal vegetation has been widely recognized. Coastal vegetation such as reed forests and seaweed performs several useful functions, including maintaining water quality, supporting fish (and, thus, fisheries), protecting beaches and land from wave attack, stabilizing sea beds and providing scenic value. However, studies on the physical and numerical process of wave propagation, sediment transport and bathymetric change are few and far between compared to those on the hydrodynamic roles of coastal vegetation. In general, vegetation flourishing along the coastal areas attenuates the incident waves through momentum exchange between stagnated water mass in the vegetated area and rapid mass in the un-vegetated area. This study develops a numerical model for describing the wave attenuation and sediment transport in a wave channel in a vegetation area. By comparing these results, the effects of vegetation properties, wave properties and model parameters are clarified.1. 서 론

참고문헌 (10)

  1. 이성대, "연안해역에서의 수변식생에 의한 파랑변형에 관한 수치해석", 20(1), pp.63~68 (2006)
  2. Asano, T, "Wave Attenuation and Sediment Deposition due to Coastal Vegetations", 11, pp.29~44 (2006)
  3. Asano, T, "Wave Deformation in Vegetation Fringed Channels", 1, pp.218~229 (2005)
  4. A, "“The Flow of Cohesionlee Grains in Fluids”", bag 249(ld), pp.235~297 (1956)
  5. Bailard, "“An Energetics Total Load Sediment transport Model for a Plane Sloping Beach”", 86, pp.10938~10954 (1981)
  6. Kobayashi, "“Wave Attenuation by Vegetation”", 119, pp.30~48 (1993)
  7. Mendez, F.J, "An Empirical Model to Estimate the Propagation of Random Breaking and Nonbreaking Waves over Vegetation Fields", 51, pp.103~118 (2004)
  8. Selvam, V, "Impact Assessment for Mangrove Shelterbelt Plantations by Tsunami for Tamil Nadu Forestery Project" (2005)
  9. Sugahara, "″Hydraulic Model Experiment on the Artificial Seaweed against Scouring and Beach Erosion” Note of PHRI" (1994)
  10. Watanabe, "“Numerical Prediction Model of Three- Dimensional Beach Deformation around a Structure”", 29 (1986)

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