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Comparison of TanDEM-X Surface Velocity Measurements and Hydrodynamic Model Data in the Baltic Sea

Suchandt, Steffen und Lehmann, Andreas und Pleskachevsky, Andrey (2017) Comparison of TanDEM-X Surface Velocity Measurements and Hydrodynamic Model Data in the Baltic Sea. ESA Baltic from Space Workshop, 2017-03-29 - 2017-03-31, Helsinki, Finnland.

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Offizielle URL: http://old.esaconferencebureau.com/docs/default-source/baltic/poster-list-nbsp-.pdf?sfvrsn=0

Kurzfassung

The ocean surface boundary layer constitutes the interface between the atmosphere and the deep ocean. Interaction between both is described by fluxes, whose correct estimation is strongly influenced by surface current and waves. It is important to include these effects into ocean circulation or coupled atmosphere-ocean models which are used e.g. in climate variability studies. Satellite SAR and along-track interferometry (ATI) can provide large area and spatially high-resolved information on parameters like surface current velocity, wind speed as well as wave heights and periods at the same time. Since 2012 we have been carrying out data acquisitions with the TanDEM-X satellite formation for different test sites, including Fehmarn belt, Skagerrak, Gotland, resund, Rügen and Darss Sill, as part of the Remote Sensing and Earth System Dynamics study. This aims at developing new satellite SAR data products, containing information on Earth processes. We use SAR-ATI and a dedicated processing system to extract ocean surface velocities. These measurements include contributions from currents, waves and the Stokes drift, which, for geophysical interpretation, must be discriminated. Therefore, we extract further information from the SAR data, like wind speed and wave parameters. They help in interpreting the velocity measurements as well as they represent relevant data products for themselves. We present results from a cross-data analysis between SAR-ATI based ocean surface velocities and a numerical circulation model of the Baltic Sea (BSIOM) as well as examples of extracted parameters.

elib-URL des Eintrags:https://elib.dlr.de/117428/
Dokumentart:Konferenzbeitrag (Poster)
Titel:Comparison of TanDEM-X Surface Velocity Measurements and Hydrodynamic Model Data in the Baltic Sea
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Suchandt, Steffensteffen.suchandt (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Lehmann, AndreasGEOMAR Helmholtz Centre for Ocean ResearchNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Pleskachevsky, AndreyAndrey.Pleskachevsky (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:März 2017
Referierte Publikation:Nein
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:TanDEM-X, Baltic Sea, Surface velocity, Hydrodynamic model
Veranstaltungstitel:ESA Baltic from Space Workshop
Veranstaltungsort:Helsinki, Finnland
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:29 März 2017
Veranstaltungsende:31 März 2017
Veranstalter :ESA
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erdbeobachtung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Tandem-L Vorstudien (alt)
Standort: Bremen , Oberpfaffenhofen
Institute & Einrichtungen:Institut für Methodik der Fernerkundung > SAR-Signalverarbeitung
Hinterlegt von: Suchandt, Steffen
Hinterlegt am:19 Dez 2017 17:38
Letzte Änderung:24 Apr 2024 20:21

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