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Proceedings Paper

Study on the sediment classification in a tidal flat considering the pattern of channel distribution
Author(s): JinAh Eom; Jong-Kuk Choi; Joo-Hyung Ryu; Han Jun Woo; Joong-Sun Won
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Paper Abstract

We examined the relations of the channel distribution with the sedimentary facies in Geunso-bay tidal flat, Korea. The tidal channel networks were extracted from an aerial photograph. The patterns of the channel distribution were compared with one another for several sites in terms of the fractal analysis, channel density. The channels in each sediment facies showed relatively constant meandering patterns, however, the density and the complexity were distinguishable for each facies. The 2nd fractal dimension which indicates the branch pattern of the tidal channel were 1.87 in the mud flat, 1.41 in the mixed flat, and about 1.30 in the sand flat. The channel density in the mud flat was 0.035-0.06 m/m2 which was the highest among the three sedimentary facies. Using the differences in fractal dimensions and tidal channel densities in each sedimentary facies, we tried to adjust the sedimentary facies classification which had been generated from the interpolation of the surveyed data. For each grain size sampling site, the percentage of sand particles was compared with the channel density. It was shown that the higher the sand percentage, the lower the tidal channel density except at a few points. The locations showing the exceptional pattern were mainly inside the tidal channel or adjacent to the inland. We suggest that those differentiated features of tidal channels among the different sedimentary facies should be applied to the surface sedimentary facies classification in the tidal flat.

Paper Details

Date Published: 3 November 2010
PDF: 9 pages
Proc. SPIE 7858, Remote Sensing of the Coastal Ocean, Land, and Atmosphere Environment, 78580R (3 November 2010); doi: 10.1117/12.873048
Show Author Affiliations
JinAh Eom, Korea Ocean Research & Development Institute (Korea, Republic of)
Jong-Kuk Choi, Korea Ocean Research & Development Institute (Korea, Republic of)
Joo-Hyung Ryu, Korea Ocean Research & Development Institute (Korea, Republic of)
Han Jun Woo, Korea Ocean Research & Development Institute (Korea, Republic of)
Joong-Sun Won, Yonsei Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 7858:
Remote Sensing of the Coastal Ocean, Land, and Atmosphere Environment
Robert J. Frouin; Hong Rhyong Yoo; Joong-Sun Won; Aiping Feng, Editor(s)

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