A multi-factor approach for process-based seabed characterization: example from the northeastern continental margin of the Korean peninsula (East Sea)

This study investigates sediment transport and depositional processes from a newly collected dataset comprising sub-bottom chirp profiles, multibeam bathymetry, and sediment cores from the northeastern continental margin of Korea in the East Sea (Japan Sea). Twelve echo-types and eleven sedimentary...

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Bibliographic Details
Published in:Geo-marine letters 2018-08, Vol.38 (4), p.323-339
Main Authors: Cukur, Deniz, Um, In-Kwon, Chun, Jong-Hwa, Kim, So-Ra, Lee, Gwang-Soo, Kim, Yuri, Kong, Gee-Soo, Horozal, Senay, Kim, Seong-Pil
Format: Article
Language:English
Subjects:
Basins
Bathymetry
Bottom currents
Canyons
Colour
Continental margins
Continental shelves
Continental slope
Cores
Debris flow
Deposits
Earth and Environmental Science
Earth Sciences
Earthquakes
Echoes
Escarpments
Folds
Geological faults
Geology
Geomorphology
Mass transport
Mud
Ocean floor
Original
Overpressure
Profiles
Sediment
Sediment transport
Sedimentation
Sedimentation & deposition
Sediments
Seismic activity
Slope
Terraces
Transport
Turbidity
Turbidity currents
Water depth
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Summary:This study investigates sediment transport and depositional processes from a newly collected dataset comprising sub-bottom chirp profiles, multibeam bathymetry, and sediment cores from the northeastern continental margin of Korea in the East Sea (Japan Sea). Twelve echo-types and eleven sedimentary facies have been defined and interpreted as deposits formed by shallow-marine, hemipelagic sedimentation, bottom current, and mass-movement processes. Hemipelagic sedimentation, which is acoustically characterized by undisturbed layered sediments, appears to have been the primary sedimentary process throughout the study area. The inner and outer continental shelf (
ISSN:0276-0460
1432-1157
DOI:10.1007/s00367-018-0537-7