Seismic Oceanography: physical oceanography using MCS data

DOI Web Site Web Site 1 Citations 28 References
  • Yokota K.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE) Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Global Change (RIGC) Taisei Corporation
  • Katsumata K.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE) Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Global Change (RIGC)
  • Yamashita M.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE)
  • Fukao Y.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE)
  • Kodaira S.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE)
  • Miura S.
    Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute for Research on Earth Evolution (IFREE)

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Other Title
  • 地震音響海洋学:反射法地震探査データを用いた海洋物理研究
  • ジシン オンキョウ カイヨウガク ハンシャホウ ジシン タンサ データ オ モチイタ カイヨウ ブツリ ケンキュウ

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Abstract

<p>Multi-Channel Seismic (MCS) survey is now a traditional method in seismology to study subsurface structures. Since Holbrook et al. (2003) reported that an MCS section in the Atlantic Ocean can capture a front between cold and warm water masses, the new ap proach in physical oceanography using MCS data, “Seismic Oceanography", has been developed. The MCS data consist of records of sound reflectors in the ocean interior. Although the MCS data are contaminated by relatively greater noise than traditional ocean finescale measurements, the MCS enables a high resolution section (6.25-12.5 m in horizontal, 0.75-3 m in vertical) of the ocean density structures, which is difficult to obtain by traditional methods. It is possible to conduct an MCS profiling without stopping the vessel and it takes only about a day to cover a 200 km long section. We exemplify the utility of MCS data in physical oceanography using an image of a cyclonic eddy in the Izu-Ogasawara region.</p>

Journal

  • Oceanography in Japan

    Oceanography in Japan 19 (6), 317-326, 2010-11-05

    The Oceanographic Society of Japan

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