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Journal of Geodetic Science

Editor-in-Chief: Eshagh, Mehdi

Open Access
Online
ISSN
2081-9943
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GPS monitoring of bedrock stability at Olkiluoto nuclear waste disposal site in Finland from 1996 to 2012

S. Nyberg / U. Kallio / H. Koivula
Published Online: 2013-09-07 | DOI: https://doi.org/10.2478/jogs-2013-0017

Abstract

The Finnish Geodetic Institute has studied crustal deformations at Olkiluoto nuclear waste disposal site since mid-90’s. Biannual GPS measurement has been carried out in two local GPS networks. This paper analyses the GPS data processing effects on the coordinate solutions and presents the results of GPS monitoring from 1996 to 2012. The GPS data was processed using Bernese GPS Software 5.0. The GPS data processing and baseline analysis showed a 1.0 mm (max RMS) level agreement of observation and high bedrock stability in the area. Most of the horizontal trends were smaller than 0.1 mm/a. The troposphere estimation strategy had a clear effect on the horizontal trends at some sites. The strain rates were all very small, but we could detect motions near the Olkiluoto permanent station.

Keywords: Crustal deformation; GPS; Local network

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About the article

Published Online: 2013-09-07

Published in Print: 2013-09-01


Citation Information: Journal of Geodetic Science, Volume 3, Issue 2, Pages 121–126, ISSN (Print) 2081-9943, DOI: https://doi.org/10.2478/jogs-2013-0017.

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