Last glacial sea-level changes and paleogeography of the Korea (Tsushima) Strait |
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| Authors: | S-C Park D-G Yoo C-W Lee E-I Lee |
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| Institution: | (1) Department of Oceanography, Chungnam National University, Taejon 305-764, Korea e-mail: scpark@cnu.ac.kr, KR;(2) Korea Institute of Geology, Mining and Materials, Taejon 305-350, Korea, KR |
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| Abstract: | The Korea (Tsushima) Strait is an important seaway through which the warm Tsushima Current flows into the East Sea (Japan
Sea). A paleogeographic map constrained by a regional sea-level curve developed on the basis of a number of recent 14C radiocarbon dates suggests that the Korea Strait was not closed during the last glacial period. Rather, it was open as a
channel-like seaway linking the western North Pacific and the East Sea. Some fraction of the paleo-Tsushima Current inflow
presumably continued at that time through the Korea Strait. The activity of the paleo-Tsushima Current is evidenced by the
distribution pattern of river-derived lowstand deposits, consisting of a beach/shoreface complex and lowstand deltaic wedges.
Received: 16 April 1999 / Revision accepted: 25 February 2000 |
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