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2005 Fiscal Year Final Research Report Summary

Establishment of an Absolute Gravity Network in East-Asia and Precise Monitoring of Gravity Changes

Research Project

Project/Area Number 14253004
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section海外学術
Research Field 固体地球物理学
Research InstitutionKyoto University

Principal Investigator

TAKEMOTO Shuzo  Kyoto Univ., Graduate School of Science, Professor, 大学院・理学研究科, 教授 (40027256)

Co-Investigator(Kenkyū-buntansha) FUKUDA Yoichi  Koto Univ., Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (30133854)
HIGASHI Toshihiro  Kyoto Univ., Graduate School of Science, Instructor, 大学院・理学研究科, 助手 (90135517)
SUDO Yasuaki  Kyoto Univ., Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (40025466)
IMANISHI Yuichi  Univ. of Tokyo, Ocean Research Institute, Instructor, 海洋研究所, 助手 (30260516)
SATO Tadahiro  National Astronomical Observatory, Professor, 地球回転研究系, 教授 (10000176)
Project Period (FY) 2002 – 2005
KeywordsAbsolute Gravimeter / Superconducting Gravimeter / Gravity Standard Network / East Asia / China / Indonesia / Malaysia / Philippines
Research Abstract

Taking part in the Asia-Pacific Space Geodynamics (APSG) Project cooperation campaigns in IAG and the work plan in the Permanent Committee on GIS Infrastructure for Asia & the Pacific (PCGIAP), we have collaborated to establish the Absolute Gravity Standard Station Network in East Asia and South-East Asia (AGSSN-ESEA) with FG-5 absolute gravimeters. During the period from 2002 to 2005, we have already determined absolute gravity values in the order of μGal at Wuhan, Nanning, Shanghai, Beijing, Kunming, Lhasa, Hong-Kong Wulumuqi, Xi'an and Xining in China, Hsinchu in Taiwan, Bandung, Yogyakarta Cibinong and Pontianak in Indonesia, Kuala Lumpur and Kota Kinabalu in Malaysia, Bangkok and Cheng-Mai in Thailand, and Manila in Philippines as well as Kyoto, Esashi, Matsushiro, Kamioka, Muroto, Aso, Mizunami and Naha in Japan. In this campaign, we performed first AG measurements in Indonesia, Malaysia and Philippines and contributed to establish national gravity standards in these countries. As an extension of this campaign in the southern hemisphere, we have conducted absolute gravity measurements in Perth and Canberra in Australia, and the Syowa Station in Antarctica in 2003-2004.
As a result of comparison of AG values obtained from different FG-5 meters in Wuhan, Beijing, Hong Kong, Hsinchu and Kyoto, it was revealed that difference in measured values depending on each instrument is 11μGal at the most. In Wuhan, Bandung, Kyoto, Esashi, Matsushiro and Kamioka, we have determined SG calibration factors within the accuracy of the order of 0.1% from inter-comparison of SG and AG meters.
We are expecting that relative vertical movements between the continent and island arc can be detected in the order of 1cm by the repeated AG measurements at stations in AGSSN-ESEA at interval of 5 to 10 years.

  • Research Products

    (21 results)

All 2006 2005 2004 2003 2002

All Journal Article (21 results)

  • [Journal Article] 東アジア・東南アジアにおける絶対重力基準網の確立2006

    • Author(s)
      竹本修三, 福田洋一, 東敏博他
    • Journal Title

      測地学会誌 第52巻,第1号

      Pages: 51-95

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Establishment of an Absolute Gravity Network in East- and South-East Asia,2006

    • Author(s)
      Takemoto, S., Y.Fukuda, T.Higashi, etc.
    • Journal Title

      J.Geod.Soc.Japan Vol.52, No.1

      Pages: 51-95

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Tidal strain observations in Chu-Chie, Taiwan2006

    • Author(s)
      Takemoto, S., Mm Lee, Mukai, et al.
    • Journal Title

      Journal of Geodynamics Vol.41, Nos.1-3

      Pages: 198-204

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Hydrological effects on the superconducting gravimeter observation in Bandung2006

    • Author(s)
      Abe, M., S.Takemoto, Y.Fukuda, T.Higashi, Y.Imanishi, et al.
    • Journal Title

      Journal of Geodynamics Vol.41, Nos.1-3

      Pages: 288-295

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Absolute gravity measurements in Australia and Syowa Station, Antarctica2005

    • Author(s)
      Fukuda Y., T.Higashi, S.Takemoto, S., et al.
    • Journal Title

      IAG Symposia 129 (C.Jekeli, L.Bastos, J.Fernandes eds.) Springer

      Pages: 280-285

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Scale Factor Calibration of a Superconducting Gravimeter at Esashi Station, Japan, Using Absolute Gravimeters2005

    • Author(s)
      Tamura, Y., T.Sato, Y.Fukuda, T.Higashi
    • Journal Title

      Journal of Geodesy Vol.78, Nos.7-8

      Pages: 481-486

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Scale of the Superconducting Gravimeter CT#043 with an Absolute Gravimeter FG54#210 at Syowa Station, Antarctica2005

    • Author(s)
      Fukuda Y., S.Iwano, H.Ikeda, Y.Hiraoka, K.Doi
    • Journal Title

      Polar Geoscience Vol.18

      Pages: 41-48

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] The first absolute gravity measurements in Indonesia2004

    • Author(s)
      Fukuda, Y., T.Higashi, S.Takemoto ・他
    • Journal Title

      Journal of Geodynamics Vol.38, Nos.3-5

      Pages: 489-501

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Precise gravity measurements in East Asia and South-East Asia for geodynamic studies2004

    • Author(s)
      Takemoto, S., Y.Fukuda, T.Higashi, H.Nakagawa・他
    • Journal Title

      Proceedings of the International Conference on Applied Geophysics, November 26-27, 2004, Thiang Mai, Thailand

      Pages: 138-144

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Simulation of the Indonesian land gravity data using a digital terrain model data2004

    • Author(s)
      Heliani, L.S., Y.Fukuda, S.Takemoto
    • Journal Title

      Earth Planets Space 56, No.1

      Pages: 15-24

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] The first absolute gravity measurements in Indonesia2004

    • Author(s)
      Fukuda, Y., T.Higashi, S.Takemoto, et al.
    • Journal Title

      Journal of Geodynamics Vol.38, Nos.3-5

      Pages: 489-501

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Japan-China collaboration project on precise gravity measurements in East Asia2004

    • Author(s)
      Takemoto, S., He-Ping Sun
    • Journal Title

      Progress in Geodesy and Geodynamics, (ISBN7-5352-3194-2/P 10), Hubei Science & Technology Press

      Pages: 138-144

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Precise gravity measurements in East Asia and South-East Asia for geodynamic studies2004

    • Author(s)
      Takemoto, S., Y.Fukuda, T.Higashi, et al.
    • Journal Title

      Proceedings of the International Conference on Applied Geophysics, November 26-27, 2004, Thiang Mai Thailand

      Pages: 1-13

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Collaboration in Establishment of Absolute Gravity Standard Station Network in East Asia2004

    • Author(s)
      Kimura, I., Y.Hiraoka, Y.Hiyama, S.Takemoto, Y.Fukuda, T.Higashi, et al.
    • Journal Title

      Journal of the Geographic Survey Institute (in Japanese) No.105

      Pages: 61-70

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Determination of Absolute Gravity Values Using a FG 5 #210 in Bandung and Yogyakarta2003

    • Author(s)
      Higashi, T.Y.Fukuda S.Takemoto・他
    • Journal Title

      J. Geod. Soc. Japan Vol.49, No.3

      Pages: 177-180

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Determination of Absolute Gravity Values Using a FG 5 #210 in Bandung and Yogyakarta,2003

    • Author(s)
      Higashi, T., Y.Fukuda, M.Abe, S.Takemoto, et al.
    • Journal Title

      J.Geod.Soc.Japan Vol.49, No.3

      Pages: 177-180

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Effect of groundwater changes on SG observations in Kyoto and Bandung2002

    • Author(s)
      TAKEMOTO, S., Y.FUKUDA, T.HIGASHI ・他
    • Journal Title

      Bulletin d'information des Marees Terrestres (BIM) 第136巻

      Pages: 10,839-10,848

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] 京都大学重力基準点(京都C)における絶対重力変化2002

    • Author(s)
      東敏博, 福田洋一, 小笠原志歩理, 竹本修三他
    • Journal Title

      測地学会誌 第48巻第3号

      Pages: 149-152

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Effect of groundwater changes on SG observations in Kyoto and Bandung2002

    • Author(s)
      Takemoto, S., Y.Fukuda, T.Higashi, et al.
    • Journal Title

      Bulletin d'Information des Marees Terrestres (BIM) Vol.136

      Pages: 10839-10848

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Absolute Gravity Changes at the Fundamental Gravity Station (Kyoto C) in Kyoto University, Kyoto Japan2002

    • Author(s)
      Higashi, T., Y.Fukuda, S.Ogasawara, S.Takemoto
    • Journal Title

      J.Geod.Soc.Japan Vol.48, No.3

      Pages: 149-152

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Calibration of the Superconducting Gravimeter T011 by Parallel Observation with the Absolute Gravimeter FG-5 #210 - a Baysian Approach,.2002

    • Author(s)
      Imanishi, Y., T.Higashi, Y.Fukuda
    • Journal Title

      Geophys.J.Int. Vol.151, No.3

      Pages: 867-878

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2007-12-13  

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