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Improvement of JGEOID 93 by the Geoidal Heights Derived from GPS/Leveling Survey

  • Conference paper
Gravity, Geoid and Marine Geodesy

Part of the book series: International Association of Geodesy Symposia ((IAG SYMPOSIA,volume 117))

Abstract

A very dense GPS/Leveling survey along the first order precise leveling routes in Japan has been conducted by the Geographical Survey Institute (GSI). Since the results obtained are geoid heights which are completely independent of the gravimetric geoid and are considered to be more accurate, at least in long wavelength signals, than the gravimetric one, they can be used for evaluation and/or improvement of an existing gravimetric geoid.

In this study, we first made a comparison between the latest gravimetric geoid of GSI (JGEOID 93) and the GPS/Leveling geoid, and estimated correction values for the gravimetric geoid by means of the Least Squares Collocation (LSC) method. The final result shows that the RMS difference between the GPS/Leveling geoid and the gravimetric geoid after the correction is better than 7 cm in all survey areas.

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References

  • Kuroda, J., J. Takabatake, M. Murakami and Y. Fukuda (1997). Integration of Gravimetric Geoid and GPS/Leveling Survey by Least Square Collocation, Biannual Report of the Geographical Survey Institute, in press (in Japanese).

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  • Kuroishi, Y. (1995). Precise Gravimetric Determination of Geoid in the Vicinity of Japan, Bull. Geogr. Surv. Inst., 41, 1–93.

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  • Tscherning, C.C. and R. H. Rapp (1994). Closed covariance expression for gravity anomalies, geoid undulations and deflection of the vertical implied by anomaly degree variance models, Dep. of Geod. Sci. Ohio State Univ., Rep. 208, 1–89.

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Author information

Authors and Affiliations

  1. Department of Geophysics, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto, 606-01, Japan

    Yoichi Fukuda

  2. Geodetic Department, The Geographical Survey Institute, 1-Kitasato, Tsukuba, Ibaraki 305, Japan

    Jiro Kuroda, Yoshiyuki Takabatake, Junichi Itoh & Makoto Murakami

Authors
  1. Yoichi Fukuda
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  2. Jiro Kuroda
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  3. Yoshiyuki Takabatake
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  4. Junichi Itoh
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  5. Makoto Murakami
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Editor information

Editors and Affiliations

  1. School of Marine Science and Technology, Tokai University, 3-20-1 Orido, Shimizu City, 424 Shizuoka Pref., Japan

    Jiro Segawa

  2. Ocean Research Institute, University of Tokyo, Minami-dai 1-15-1, Nakano-ku, 164 Tokyo, Japan

    Hiromi Fujimoto

  3. Earthquake Research Institute, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, 113 Tokyo, Japan

    Shuhei Okubo

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© 1997 Springer-Verlag Berlin Heidelberg

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Fukuda, Y., Kuroda, J., Takabatake, Y., Itoh, J., Murakami, M. (1997). Improvement of JGEOID 93 by the Geoidal Heights Derived from GPS/Leveling Survey. In: Segawa, J., Fujimoto, H., Okubo, S. (eds) Gravity, Geoid and Marine Geodesy. International Association of Geodesy Symposia, vol 117. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03482-8_78

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  • DOI: https://doi.org/10.1007/978-3-662-03482-8_78

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-08328-0

  • Online ISBN: 978-3-662-03482-8

  • eBook Packages: Springer Book Archive

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