210Pb-derived sediment accumulation rates in the southwestern East Sea (Sea of Japan) |
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| Authors: | G H Hong S H Kim C S Chung D-J Kang D-H Shin H J Lee S-J Han |
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| Institution: | (1) Korea Ocean Research and Development Institute, Ansan, P.O. Box 29, Seoul 425-600, Korea, KR |
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| Abstract: | Recent sediment accumulation rates are 18–230 mg cm-2 yr-1 (0.02–0.2 cm yr-1) based on excess 210Pb activity profiles in the southwestern part of the East Sea (Sea of Japan). Assuming no mixing beneath surface mixed layers,
210Pb-derived sediment accumulation rates are 18–32 mg cm-2 yr-1 in the northern part of the Yamato Ridge and the Ulleung Basin, 29–136 mg cm-2 yr-1 in the Korea Plateau, and 230 mg cm-2 yr-1 in the southern shelf. These values generally agree with long-term sedimentation rates estimated from dated ash layers.
Received: 6 October 1995 / Revision received: 31 May 1996 |
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