Earth tide effects on kinematic/static GPS positioning in Denmark and Greenland

Publication: Research - peer-reviewJournal article – Annual report year: 2000

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A detailed Study of the Earth tide effects on the GPS kinematic/static positioning is presented in this paper by using theoretical Earth tide computation and practical GPS data processing. Tidal effects could reach up to 30 cm in Denmark and Greenland depending on the measuring time and the position of reference station. With a baseline less than 80 km, the difference of the Earth tide effects could reach more than 5 mm. So, in precise applications of GPS positioning, the Earth tide effect has to be taken into account even for a relative small local GPS network. Several examples are given for demonstrating that the Earth tide effects can be viewed by GPS surveying. They are given through static GPS data static processing, static GPS data kinematic processing, and airborne kinematic GPS data processing. In these cases, the Earth tide effects can be subtracted from the GPS results. The determination of tidal parameter through static GPS data kinematic processing has also been tested,
Original languageEnglish
JournalPhysics and Chemistry of the Earth - Part A - Solid Earth and Geodesy
Publication date2000
Volume25
Issue4
Pages409-414
ISSN1464-1895
StatePublished
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