Characteristics of Tidal Current and Tidal Residual Current in the Chunsu Bay, Yellow Sea, Korea based on Numerical Modeling Experiments
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초록
This study is based on a series of numerical modeling experiments to understand the circulation and its change in the Chunsu Bay (CSB), Yellow Sea of Korea. A skill analysis was performed for the tidal height and tidal current of the observation data using the amplitude and phase of the 4 major tidal constituents respectively for verification of modeling experimental results. As a result, most of the skill score was seen to be over 90%, so numerical model experiment results can be said to be in good agreement with the observed tidal height and tidal current. Tidal wave proceeded from the entrance of the CSB towards inside, and the tidal range gradually increased to the north. It took about 10 to 30 minutes for the tidal wave to reach to northern end. The tidal wave showed a characteristic to rotate counter-clockwise in the southern part. The tidal current flowed to the north-south direction along the bottom topography; the angle of the major axis appeared alongside the isobath. It showed the characteristics of reversing tidal current with the minor axis less than 10% of the major axis. The strength of the tidal residual current that is influenced by geographical factors including bathymetry and coastline showed the range of 1~30 cm/sec, greater in the south channel and smaller in northern Bay. Two pairs of cyclonic/anti-cyclonic eddies around Jukdo and 3~4 pairs of strong eddies at the southern part of CSB in hundreds of m to a few km size by relative vorticity derived from the tidal residual current.
Abstract
This study is based on a series of numerical modeling experiments to understand the circulation and its change in the Chunsu Bay (CSB), Yellow Sea of Korea. A skill analysis was performed for the tidal height and tidal current of the observation data using the amplitude and phase of the 4 major tidal constituents respectively for verification of modeling experimental results. As a result, most of the skill score was seen to be over 90%, so numerical model experiment results can be said to be in good agreement with the observed tidal height and tidal current. Tidal wave proceeded from the entrance of the CSB towards inside, and the tidal range gradually increased to the north. It took about 10 to 30 minutes for the tidal wave to reach to northern end. The tidal wave showed a characteristic to rotate counter-clockwise in the southern part. The tidal current flowed to the north-south direction along the bottom topography; the angle of the major axis appeared alongside the isobath. It showed the characteristics of reversing tidal current with the minor axis less than 10% of the major axis. The strength of the tidal residual current that is influenced by geographical factors including bathymetry and coastline showed the range of 1~30 cm/sec, greater in the south channel and smaller in northern Bay. Two pairs of cyclonic/anti-cyclonic eddies around Jukdo and 3~4 pairs of strong eddies at the southern part of CSB in hundreds of m to a few km size by relative vorticity derived from the tidal residual current.
참고문헌 (36)
- Blumberg, A. F., "A Descriptive of a Three Dimensional Coastal Ocean Circulation Model, In Three-dimensional Coastal Ocean Models, Coastal Estuarine Sci., vol. 4", pp.1~16 (1987), AGU
- Cai, S., "Three-dimensional Numerical Model Study of the Residual Current in the South China Sea", Oceanol Acta, 26(5), pp.597~607 (2003)
- Choi, Y. H., "Development of Water Quality Prediction Model in Chunsu Bay", 박사, pp.2004
- Dube, S. K., "Implications of Climatic Variations in the Fresh Water Outflow in the Wind-induced Circulation of the Bay of Bengal", Atmospheric Env, 29(16), pp.2133~2138 (1995)
- Foreman, M. G. G., "Estuarine and Tidal Currents in the Broughton Archipelago", Atmos Ocean, 44(1), pp.47~63 (2006)
- Goodrich, D., "Wind-induced Destratification in Chesapeake Bay", J Phys Oceanogr, 17, pp.2232~2240 (1987)
- Guo, X., "Seasonal Variation of Residual Current in Tokyo Bay, Japan-diagnostic Numerical Experiments", J Oceanogr, 52, pp.597~616 (1996)
- Guo, X., "Wind Effects on the Lateral Structure of Density-driven Circulation in Chesapeake Bay", Cont Shelf Res, 28, pp.2450~2471 (2008)
- Imasato, N., "What is Tide-induced Residual current?", J Phy Oceanogr, 13, pp.1307~1317 (1983)
- Jung, K. Y., "Numerical Modeling Experiments of Current Circulation in the Chunsu Bay, Yellow Sea, Korea during Summer Season", Proc of Spring Meeting, 2011 of the Korean Association of Ocean Sci and Tech Soc, pp.146~ (2011)
- Jung, K. Y., "Impact of the Freshwater Release on the Tidal Circulation in the Chunsu Bay, Yellow Sea, Korea based on Numerical Model", Proc of PICES 2011 Annual Meeting Prog, pp.192~ (2011)
- Jung, K. Y., "Influence of Freshwater Release on the Current System in the Chunsu Bay, Yellow Sea, Korea during summer season", Proc of Autumn Meeting, 2011 of the Korean Soc of Oceanogr, pp.105~106 (2011)
- Jung, K. Y., "Salinity Variation and Stratification caused by Freshwater Input in the Chunsu Bay, Yellow Sea, Korea during Summer Season", Proc of Spring Meeting, 2012 of the Korean Association of Ocean Sci and Tech Soc, pp.188~ (2012)
- Jung, K. Y., "Observation and Analysis of Hydrodynamic and Hydrography in the Chunsu Bay, Yellow Sea, Korea, 2010-2011", Proc of Spring Meeting, 2012 of the Korean Association of Ocean Sci and Tech Soc, pp.198~ (2011)
- Jung, K. Y., "Tracking Patterns of Freshwater from Kanwol", Bunamho based on Particle Trajectory Modeling Experiments in the Chunsu Bay, Yellow Sea, Korea, 2012, 75~76
- 노영재, "서해 천수만 중앙부의 하계 조류", 비조류 특성, 2013, pp.18(2), 53~64[DOI]
- Kashiwai, M., "Tidal Residual Circulation Produced by a Tidal Vortex. Part1. Life-history of a Tidal Vortex", J Oceanogr Soc Japan, 40(6), pp.279~294 (1984)
- Lee, J. S., "Massive Sedimentation of Fine Sediment with Organic Matter and Enhanced Benthic-pelagic Coupling by an Artificial Dyke in Semi-enclosed Chonsu Bay, Korea", Mar Pollut Bull, 64, pp.153~163 (2012)
- A Study on the Environment Investigation and Fishery Utilization in the Chunsu Bay. Final Report, The Province of Chungcheongnam-do, "Lee, T. W.", The Province of Chungcheongnam-do, 534~ (2011)
- Lee, T. W., "Change in Species Composition of Fish in Chonsu Bay 1. Demersal Fish.", Korean J. of Fisheries and Aquatic Sci, 29(1), pp.71~83 (1996)
- Lee, T. W., "Change in Species Composition of Fish in Chonsu Bay 2. Surf Zone Fish", J Ichthyological Soc of Korea, 9(1), pp.79~90 (1997)
- Martin, J., "Hydrodynamics and Transport for Water Quality Modeling", pp.794~ (1999), Lewis Publishers
- Mastumoto, K., "Ocean Tide Models Developed by Assimilating TOPEX", POSEIDON Altimeter Data into Hydrodynamical Model: A Global Model and Regional Model Around Japan, 2000, pp.56, 567~581
- Maze, R., "Tidal Eulerian Residual Currents over a Slope, Analytical and Numerical Frictionless Models", J Phys Oceanogr, 28, pp.1321~1332 (1998)
- Orlanski, I., "A Simple boundary Condition for Unbounded Hyperbolic Flows", J Comut Phys, 21, pp.251~269 (1976)
- Park K., "Calibration and Verification of a Hydrodynamic Model in Chunsu Bay and Adjacent Coastal Water", J of Korean Soc of Coastal and Ocean Eng, 10(3), pp.109~119 (1998)
- Pawlowicz, R., "Classical Tidal Harmonic Analysis including Error Estimates in MATLAB using T_TIDE", Comput. Geosci, 28, pp.929~937 (2002)
- Robinson, IS., "Tidal Vorticity and Residual Circulation", Deep Sea Res, 28(346), pp.195~212 (1981)
- Robinson, IS., "Tidally Induced residual Flows, In In: Physical Oceanography of Coastal and Shelf Seas", pp.321~356 (1983), Elsevier
- Signell, RP., "Modeling Sand Bank Formation around Tidal Headlands", 6th International Conference of ASCE, pp.209~222 (2000)
- So, J. K., "Numerical Modeling of Tides and Tidal Currents Cuased by Embankment at Chunsu Bay", J of Korean Soc of Coastal and Ocean Eng, 10(4), pp.151~164 (1998)
- Yanagi, T., "General Mechanism of the Tidal Residual Circulation", J Oceanogr Soc Japan, 35(6), pp.241~252 (1983)
- Yoo, I. H., "Numerical Modeling of current and diffusion in Chunsu Bay", 석사, pp.1992
- Zhai, L., "Baroclinic Dynamics of Wind-driven Circulation in a Stratified Bay : A Numerical Study using Models of Varying Complexity", Cont Shelf Res, 28, pp.2357~2370 (2008)
- Zimmerman, J., "On the Euler-Lagrange Transformation and the Stoke’s Drift in the Presence of Oscillatory and Residual Currents", Deep-Sea Res, 26A, pp.505~520 (1979)
- Zimmerman, J., "Dynamics, Diffusion and Geomorphological Significance of Tidal Residual Eddies", Nature, 290, pp.549~555 (1981)