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The Geocentric Datum of Malaysia: Preliminary Assessment and Implications

  • Noor Suryati Mohd ShariffEmail author
  • Tajul Ariffin Musa
  • Kamaludin Omar
  • Rusli Othman
Chapter
Part of the Lecture Notes in Geoinformation and Cartography book series (LNGC)

Abstract

The reliability of the national geocentric datum must be assessed regularly to maintain high geospatial accuracy in terms of consistency with respect to the global datum, i.e. International Terrestrial Reference Frame (ITRF). This can be accomplished by considering the spatial and temporal variations caused by plate tectonic movements. This study aims to assess the reliability of Geocentric Datum of Malaysia (GDM2000) by analysing the datum shifts via the displacements of the Malaysian Real Time Kinematic Network (MyRTKnet) stations caused by tectonic movements as well as the displacements induced by reference frame effects. A significant land displacement up to 17 and 30 cm in north and east components were found respectively, due to local active fault and the cumulative plate tectonic motion. The implications of a non-geocentric datum are also discussed.

Keywords

Geocentric datum Reference frame Plate tectonic 

Notes

Acknowledgments

The authors would like to acknowledge the DSMM for providing the MyRTKnet data as well as to research funding from UTM Research University Grant (RUG), Vote 08J75.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Noor Suryati Mohd Shariff
    • 1
    Email author
  • Tajul Ariffin Musa
    • 1
  • Kamaludin Omar
    • 1
  • Rusli Othman
    • 1
  1. 1.GNSS and Geodynamics Research Group, Faculty of Geoinformation and Real EstateUniversiti Teknologi Malaysia (UTM)JohorMalaysia

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