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Horizontal velocity field derived from EPN and ASG-EUPOS satellite data on the example of south-western part of Poland
Abstract
Presently the determination of the velocity field in the global reference frame is possible by using different space techniques and dense terrestrial networks from global to local and regional scales. However, the reliability of such determinations is strongly limited by the restricted number of unmodeled effects. Some of them are periodic (atmospheric or hydrological effects), some instantaneous (natural or man-made seismicity) or seasons-related (snow cover, freezing). This elaboration deals with the unmodeled effects observed in the ASG-EUPOS (Polish Active Geodetic Network) time series. The whole network consists of over 130 permanent GNSS sites with different levels of stability. The paper presents the analysis of 3-year’s time-series of geodetic coordinates (in the topocentric projection) in order to obtain best-possible local velocity field. On the example of the Sudeten region, where 19 sites are located, the possible effects on the decrease in reliability of the velocity field determination are described. Finally the local velocity field in ITRF and ETRF frames are presented
Authors (4)
-
Janusz Bogusz prof. dr hab inż.
- WAT
-
-
Bernard Kontny Prof.
- UPwr
-
Piotr Grzempowski dr
- UPwr
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
Acta Geodynamica et Geomaterialia
no. 9,
pages 349 - 357,
ISSN: 1214-9705 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Bogusz, J., Figurski M., Kontny B., Grzempowski P.: Horizontal velocity field derived from EPN and ASG-EUPOS satellite data on the example of south-western part of Poland// Acta Geodynamica et Geomaterialia. -Vol. 9, nr. 3 (167) (2012), s.349-357
- Verified by:
- Gdańsk University of Technology
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