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Development of Seafloor Positioning System for Crustal Dynamics Observation

Research Project

Project/Area Number 07554016
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 固体地球物理学
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

ANDO Masataka  DPRI,Kyoto Univ., Prof., 防災研究所, 教授 (80027292)

Co-Investigator(Kenkyū-buntansha) MURAKAMI Hideyuki  Kaiyo electron co LTD.Cheif researcher, 海洋電子株式会社, 主任研究者
TSUDA Toshitaka  Kyoto Univ.Prof., 超高層電波研究センター, 教授 (30115886)
KATAO Hiroshi  DPRI.Kyoto Uni.Research Associate, 防災研究所, 助手 (80221878)
Project Period (FY) 1995 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥17,800,000 (Direct Cost: ¥17,800,000)
Fiscal Year 1997: ¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1996: ¥2,400,000 (Direct Cost: ¥2,400,000)
Fiscal Year 1995: ¥13,300,000 (Direct Cost: ¥13,300,000)
KeywordsCrustal deformation / seafloor positioning / GPS / accuracy / 水温 / 塩分濃度 / 白浜海象観測所 / 海底観測 / 海底海底地球物理測定 / 海底 / 地殻変動 / M系列 / 水中音速 / トランスポンダー / 船位 / 海水温度 / 南海地震 / GPS測量
Research Abstract

Using the multiple acoustic ranging technique, which is described in Chapter 4, we can expect to reduce these uncertainties of the sound-speed structures. This technique is based on the code division multiple access technology and makes it possible to carry out acoustic ranging measurements to several seafloor references simultaneously.
According to the results of this study, we can expect to be able to locate the seafloor references with accuracy on 10 to 20 cm in the horizontal components within the area of about 100 km away from an on-land GPS reference site. Hence, the co-seismic crustal defamation with the large subduction-type earthquakes are expected to detect using the current seafloor positioning system. And more accurate seafloor positioning will be possible by improving the observation system.

Report

(4 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • 1995 Annual Research Report
  • Research Products

    (5 results)

All Other

All Publications (5 results)

  • [Publications] 安藤 雅孝: "南海地震 総論 : 次の南海地震に向けて日本は何をすべきか" 月刊地球号外「南海地震」. 号外. 5-13 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 安藤 雅孝: "海で起こる地震と観測" 海上保安庁水路部技術講演集. 11. 1-13 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Obana et.al: "Seafloor positioning with GPS-acoustic link system" The Island Arc.vol.8 No.2. (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Ando: "What Do We Do for the next Major Earthquake along the Nankai Trough?" The Annuals of International Symposium on Natural Disaster Prediction and Mitigation. 107-119 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 尾鼻浩一郎、片尾浩、安藤雅孝、平原和朗、中野健秀: "海底地殻変動の新しい試み" JAMSTEC深海研究. 11. 205-210 (1996)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2021-12-07  

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