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http://dx.doi.org/10.5916/jkosme.2014.38.6.761

Morphological and sedimentological changes of subaqueous dunes in the tide-dominated environment, Gyeonggi Bay  

Kum, Byung-Cheol (Maritime Security Research Center, Korea Institute of Ocean Science & Technology)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.38, no.6, 2014 , pp. 761-770 More about this Journal
Abstract
In september 2004 and 2006, topographical and sedimentological survey were carried out using multibeam echosounder, which were to investigate shape characteristics, temporal changes and control factors of the subaqueous dunes in the southern Gyeonggi Bay. The present tidal current and sedimentary characteristics of study area make conditions that the sizes (length and height) of large subaqueous dunes are developed and maintained sufficiently. The change of sedimentary characteristics over time, the decrease in grain size causes reduction in the height of very large subaqueous dunes. Therefore it shows that the grain size of surface sediments is a primary control factor in defining subaqueous dune sizes in the study area.
Keywords
Multibeam echosounder; Subaqueous dunes; Grain size; Control factors;
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Times Cited By KSCI : 2  (Citation Analysis)
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