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Sea State Measurements Using TerraSAR-X Data

Bruck, Miguel and Lehner, Susanne (2012) Sea State Measurements Using TerraSAR-X Data. In: Proceedings of IGARSS 2012 (DOI: 10.1109/IGARSS.2012.6351866), pp. 7609-7612. IEEE Press. IGARSS 2012 , 22. -27. Juli 2012, Munich, Germany. ISBN 978-1-4673-1158-8 (e) 978-1-4673-1160-1 (p). ISSN 2153-6996.

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6351866


Synthetic Aperture Radar (SAR) is a unique sensor able to provide two dimensional information on meteo-marine parameters of the ocean surface e.g. wind speed and wave height. We present an algorithm (XWAVE) to derived significant wave height (Hs from TerraSAR-X (TS-X) data without the need of a priori information. The algorithm is based on spectral analyses of TS-X data, using a Geophysical model function, the coefficients are fitted to collocated in-situ buoy measurements using the least squares method. Wind speed information provided by the wind speed estimation XMOD algorithm [1] is combined in the XWAVE algorithm as well. Sea state parameters derived from TS-X data using the proposed algorithm have been compared to in-situ buoy measurements. Additionally, the one dimensional spectra are compared to the wave spectrum provided by the one given by the NOOA buoys. The SAR wave peak direction is also compared to the wave peak direction given by directional buoys. Sea state properties in coastal areas change rapidly in the spatial domain. TS-X data are especially suitable for the study of sea state variability in coastal areas due to its high resolution. Coastal wave fields have been derived from TS-X data and verified with numerical wave model results and with in-situ buoy measurements for the collated point in the area of the North Sea.

Item URL in elib:https://elib.dlr.de/79268/
Document Type:Conference or Workshop Item (Speech)
Title:Sea State Measurements Using TerraSAR-X Data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bruck, Miguelmiguel.bruck (at) dlr.deUNSPECIFIED
Lehner, Susannesusanne.lehner (at) dlr.deUNSPECIFIED
Date:10 November 2012
Journal or Publication Title:Proceedings of IGARSS 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 7609-7612
Publisher:IEEE Press
ISBN:978-1-4673-1158-8 (e) 978-1-4673-1160-1 (p)
Keywords:TerraSAR-X , Wave height , coastal wavefield , sea state measurements
Event Title:IGARSS 2012
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:22. -27. Juli 2012
Organizer:IEEE GRSS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited On:03 Dec 2012 13:05
Last Modified:08 May 2014 23:23

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