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Geodetic SAR for He...
Geodetic SAR for Height System Unification and Sea Level Research - Results in the Baltic Sea Test Network
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- Gruber, Thomas (författare)
- Technical University of Munich (TUM), Germany
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- Ågren, Jonas, 1967- (författare)
- Lantmäteriet
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- Angermann, Detlef (författare)
- Technical University of Munich (TUM), Germany
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- Ellmann, Artu (författare)
- Tallinn University of Technology (TUT), Estonia
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- Engfeldt, Andreas (författare)
- Lantmäteriet
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- Gisinger, Christoph (författare)
- German Aerospace Center (DLR)
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- Jaworski, Leszek (författare)
- Centrum Badań Kosmicznych, Polskiej Akademii Nauk (CBK-PAN), Poland
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- Kur, Tomasz (författare)
- Centrum Badań Kosmicznych, Polskiej Akademii Nauk (CBK-PAN), Poland
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- Marila, Simo (författare)
- Finnish Geospatial Research Institute (FGI)
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- Nastula, Jolanta (författare)
- Centrum Badań Kosmicznych, Polskiej Akademii Nauk (CBK-PAN), Poland
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- Nilfouroushan, Faramarz, 1968- (författare)
- Lantmäteriet
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- Nordman, Maria (författare)
- Finnish Geospatial Research Institute (FGI); Aalto University, Finland
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- Poutanen, Markku (författare)
- Finnish Geospatial Research Institute (FGI)
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- Saari, Timo (författare)
- Finnish Geospatial Research Institute (FGI)
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- Schlaak, Marius (författare)
- Technical University of Munich (TUM)
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- Świątek, Anna (författare)
- Centrum Badań Kosmicznych, Polskiej Akademii Nauk (CBK-PAN), Poland
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- Varbla, Sander (författare)
- Tallinn University of Technology (TUT)
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- Zdunek, Ryszard (författare)
- Centrum Badań Kosmicznych, Polskiej Akademii Nauk (CBK-PAN), Poland
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(creator_code:org_t)
- 2022-07-06
- 2022
- Engelska.
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Ingår i: Remote Sensing. - : MDPI. - 2072-4292. ; 14:14
- Relaterad länk:
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https://doi.org/10.3...
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https://hig.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Coastal sea level is observed at tide gauge stations, which usually also serve as height reference stations for national networks. One of the main issues with using tide gauge data for sea level research is that only a few stations are connected to permanent GNSS stations needed to correct for vertical land motion. As a new observation technique, absolute positioning by SAR using off the shelf active radar transponders can be installed instead. SAR data for the year 2020 are collected at 12 stations in the Baltic Sea area, which are co-located to tide gauges or permanent GNSS stations. From the SAR data, 3D coordinates are estimated and jointly analyzed with GNSS data, tide gauge records and regional geoid height estimates. The obtained results are promising but also exhibit some problems related to the electronic transponders and their performance. At co-located GNSS stations, the estimated ellipsoidal heights agree in a range between about 2 and 50 cm for both observation systems. From the results, it can be identified that, most likely, variable systematic electronic instrument delays are the main reason, and that each transponder instrument needs to be calibrated individually. Nevertheless, the project provides a valuable data set, which offers the possibility of enhancing methods and procedures in order to develop a geodetic SAR positioning technique towards operability.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- height system unification; sea level; geodetic SAR positioning; GNSS; tide gauge; geoid; Sentinel-1; GOCE
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Gruber, Thomas
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Ågren, Jonas, 19 ...
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Angermann, Detle ...
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Ellmann, Artu
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Engfeldt, Andrea ...
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Gisinger, Christ ...
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visa fler...
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Jaworski, Leszek
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Kur, Tomasz
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Marila, Simo
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Nastula, Jolanta
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Nilfouroushan, F ...
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Nordman, Maria
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Poutanen, Markku
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Saari, Timo
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Schlaak, Marius
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Świątek, Anna
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Varbla, Sander
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Zdunek, Ryszard
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visa färre...
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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Remote Sensing
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