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Geosciences Journal

, Volume 18, Issue 3, pp 269–279 | Cite as

Geoacoustic model at the DH-1 long-core site in the Korean continental margin of the East Sea

  • Woo-Hun Ryang
  • Yi-Kyun Kwon
  • Seong-Pil Kim
  • Dae-Choul Kim
  • Jin-Hyuk Choi
Article

Abstract

A long core of 23.6 m was acquired at the DH-1 site (37°36.651′N and 129°19.709′E) in the Korean continental margin of the western East Sea. The core site is located near the Donghae City and the water depth is 357.8 m deep. A geoacoustic model was reconstructed for 7 geoacoustic units of the core sediments, based on the measurements of 125 P-wave velocities and 121 attenuations. The P-wave speed was compensated to in situ depth below the sea floor using the Hamilton method. The geoacoustic model DH-1 probably contributes for reconstruction of geoacoustic models reflecting vertical and lateral variability of acoustic properties in the Korean continental margin of the western East Sea.

Key words

long core geoacoustic model East Sea continental margin P-wave speed 

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Copyright information

© The Association of Korean Geoscience Societies and Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Woo-Hun Ryang
    • 1
  • Yi-Kyun Kwon
    • 2
  • Seong-Pil Kim
    • 3
  • Dae-Choul Kim
    • 4
  • Jin-Hyuk Choi
    • 5
  1. 1.Division of Science Education, Institute of Science Education, and Institute of Fusion ScienceChonbuk National UniversityJeonjuRepublic of Korea
  2. 2.Department of Geo-Environmental SciencesKongju National UniversityGongjuRepublic of Korea
  3. 3.Korea Institute of Geoscience and Mineral ResourcesDaejeonRepublic of Korea
  4. 4.Department of Energy Resources EngineeringPukyong National UniversityBusanRepublic of Korea
  5. 5.Agency for Defense DevelopmentJinhaeRepublic of Korea

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