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Extraction of Ocean Tide Semidiurnal Constituents’ Vertical Displacement Parameters Based on GPS PPP and Harmonic Analysis Method

  • Hong ZhaoEmail author
  • Qin Zhang
  • Ming Zhang
  • Shuangcheng Zhang
  • Wei Qu
  • Rui Tu
  • Zhi Liu
Conference paper
  • 1.5k Downloads
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 304)

Abstract

Using GPS data of 4 CORS stations in Hong Kong 2012, four ocean tide semidiurnal constituents’ vertical displacement parameters of every station were calculated. Firstly, 4 stations’ displacement time series were extracted by GPS PPP algorithm. Next, combined with harmonic analysis method, the vertical displacement parameters of semidiurnal constituents were obtained. Simultaneously, in order to evaluate accuracy and reliability of ocean loading displacement parameters determined by PPP technology, we compared the results with ocean loading displacement parameters provided by HAMTIDE11A.2011 global ocean tide model refined by local tidal data of eastern and southern sea of China and the difference was less than 1 mm. Therefore, PPP techniques can be used for measuring ocean tide loading displacement parameters, and it has implications for precision modeling of tides and high-precision geodetic measurements.

Keywords

GPS technology PPP Harmonic analysis Ocean loading displacement parameters 

References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Hong Zhao
    • 1
    Email author
  • Qin Zhang
    • 1
  • Ming Zhang
    • 1
  • Shuangcheng Zhang
    • 1
  • Wei Qu
    • 1
  • Rui Tu
    • 2
  • Zhi Liu
    • 3
  1. 1.College of Geology Engineering and GeomaticsChang’an UniversityXi’anChina
  2. 2.GFZ German Reasearch Centre for GeosciencesPotsdamGermany
  3. 3.China JK Institute of Engineering Investigation and DesignXi’anChina

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