Abstract
Abstract The inner shelf off the southeastern coast of Korea (Korea Strait) receiveslarge amounts of fine-grained sediments derived from Nakdong River. An analysis of topmost sediment shows a progressive seaward decrease in grain size. Sandy muds and muds accumulate with in about 10 km of the river mouth, whereas clay-size fractions prevail further off shore. Satellite image together with tidal current data suggests that suspended sediments are transported both westand east-ward in the coastal area, strongly influenced by tidal currents. The westward transport converges to an area east of Geoje Do, whereas the eastward transport extends further northeastward along the Korean coast. About 14% of the river-derived fine-grained sediments, approximately 0.64 million tons per year, accumulate on the inner shelf of Korea Strait; the remaining 86% escape the shelf and are transported too the rparts of the sea.
Published Version
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