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In situ Particle Size and Volume Concentration of Suspended Sediment in Seomjin River Estuary, Determined by an Optical Instrument,'LISST-100'


In situ particle size and volume concentration of suspended sediment was measured at the mouth of Seomjin River Estuary In February 2001, using an optical instrument, 'LISST-100'. Time variation of in situ particle size and concentration shows: (1) during ebb tide, Seomjin River supplies relatively fine-grained particles with less-fluctuated, compared to during flood tide, and well-behaved concentrations following the tidal cycle; and (2) during flood tide, relatively coarse-grained particles with highly variable in size distribution and concentration flow upstream from Kwangyang Bay. This explains a poor correlation $(r^{2}=0.10)$ between sediment concentration and beam attenuation coefficient during flood and a high degree of correlation $(r^{2}=0.80)$ during ebb tide. Relatively fine grained and well defined, monotonous size distribution may promote the correlation between concentration and beam attenuation coefficient due to optical homogeneity of particles during ebb tide. Abundance of large aggregates with time-varying size and shape distributions may be mainly responsible for variations in optical properties of the sediment during flood tide, and thus may confound the relationship between the two variables. The difference in particle sizes and shapes between flood and ebb tides can also be observed on SEM images.

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참고문헌 (27)

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이 논문을 인용한 문헌 (4)

  1. Lee, Byoung-Kwan ; Kim, Seok-Yun 2009. "Characteristic of In Situ Suspended Particulate Matter at the Gwangyang bay Using LISST-100 and ADCP" 한국환경과학회지 = Journal of the environmental sciences, 18(11): 1299~1307 
  2. Kim, Seok-Yun ; Lee, Byoung Kwan 2009. "The Distribution and Behaviors of Suspended Matters in Seomjin River Estuary - Compared with Rainy and Wet Season -" 水質保全 = Journal of Korean Society on Water Quality, 25(6): 935~942 
  3. Lee, Byoung-Kwan ; Kim, Seok-Yun ; Cho, Hyun-Man 2010. "Distribution and Behaviors of In-Situ Suspended Particulate Matters of Gwangyang Bay" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 24(1): 99~105 
  4. Park, Mi-Ok ; Kim, Seong-Soo ; Kim, Seong-Gil ; Kwon, Jinam ; Lee, Suk-Mo ; Lee, Yong-Woo 2012. "Factors Controlling Temporal-Spatial Variations of Marine Environment in the Seomjin River Estuary Through 25-hour Continuous Monitoring" 한국해양환경공학회지 = Journal of the Korean society for marine environmental engineering, 15(4): 314~322 


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