Textural fades and distribution of surface sediments and morphology on Korean tidal flats SCIE SCOPUS

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Title
Textural fades and distribution of surface sediments and morphology on Korean tidal flats
Author(s)
Baek, YoungSook; Lee, SuHwan; Lee, SangHoon; Kim, Han-Joon; Jou, Hyeong-Tae; Ryu, SangOk
KIOST Author(s)
Lee, Su Hwan(이수환)Lee, Sang Hoon(이상훈)Kim, Han Joon(김한준)Jou, Hyeong Tae(주형태)
Publication Year
2016-03
Abstract
The aim of this study is to understand the regional distribution patterns of surface sediment together with morphology and to infer regional transport and sedimentation along the western and southwestern coast of Korea. Based on the analysis of 1027 surface sediment samples at 74 tidal flats and the morphologic profiles at 29 tidal flats obtained from estuarine, open coast, embayment, and islands along the western and southwestern coasts of Korea, tidal flats were divided spatially into four sectors; 1) Gyeonggi (GG), 2) Chungcheong (CH), and 3) Western Jeonnam (WJ) and 4) Southern Jeonnam (SJ). The tidal flats in the CH sector exhibit coarser (or more sandy) sediment facies and steeper slope gradient, probably resulting from more influence of waves on tidal-flat sedimentation caused by the geomorphic conditions of relatively straight coastline and non-barrier systems. The common occurrence of tidal channels on tidal flats in the WJ and SJ sectors could be ascribed to the fine-grained (or muddy) faceis and the gentle slope gradient. From GG (north) to SJ (south) sector along the coastline, the content (%) of fine-grained sediments increases. Fine-grained sediments supplied from the Han and Keum rivers in the western coast of Korea appear to have been transported to the south along the western and southwestern coast of Korea by Korea Coastal Currents (KCC). The fine-grained sediments settled on the tidal flats by the tidal currents and a residual coastal current.
ISSN
0749-0208
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/2077
DOI
10.2112/SI75-262.1
Bibliographic Citation
JOURNAL OF COASTAL RESEARCH, pp.1307 - 1311, 2016
Publisher
COASTAL EDUCATION & RESEARCH FOUNDATION
Subject
FINE-GRAINED SEDIMENTS; SOUTH-WESTERN KOREA; COAST; DISPERSAL; CLASSIFICATION; EVOLUTION; BAY
Keywords
tidal flat; surface sediments; morphology; Korea Coastal Currents; East Asian Winter Monsoon; Korea
Type
Article
Language
English
Document Type
Article; Proceedings Paper
Publisher
COASTAL EDUCATION & RESEARCH FOUNDATION
Related Researcher
Research Interests

Marine Geophysics,Marine Active Fault Study,Exploration Seismology,해양지구물리,해저단층연구,탄성파탐사

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