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Using Satellite Spectral Wave Data for Wave Energy Resource Characterization

Pontes, Maria Teresa and Bruck, Miguel and Lehner, Susanne and Kabuth, Alina (2010) Using Satellite Spectral Wave Data for Wave Energy Resource Characterization. In: Proceedings of ICOE 2010, pp. 1-7. 3rd International Conference on Ocean Energy, 6.-8. October 2010, Bilbao, Spain.

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The German satellite Terra SAR-X (TSX) provides high resolution images, which can image ocean waves with an accuracy superior to former SAR satellites down to wave lengths of around 20 meters. This is useful for the retrieval of two dimensional wave spectra in highly variable sea states, especially in complex coastal areas or near islands. Using the three different SAR scanning modes it is possible to image the same location every 2 days. An inter-comparison between sea state parameters and spectral distributions retrieved from TSX, buoy and wind-wave models is presented for the Azores Archipelago in the area where the first wave energy power plant to be grid connected was built and continues in operation. A verification of the spectral parameters significant wave height, peak period, energy (mean) period and wave power in addition to wave spectral shape obtained from TSX SAR against buoy data and wind-wave Mar3G model analysis is included, which shows the good accuracy of these remote sensed data. In addition, the strong spatial variability of wave conditions in complex coastal areas (in the channel between São Jorge and Pico islands) is highlighted through the comparison of a series of (partially overlapping) TSX SAR Spotlight image spectra.

Item URL in elib:https://elib.dlr.de/74563/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Using Satellite Spectral Wave Data for Wave Energy Resource Characterization
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pontes, Maria TeresaLNEG, Lisboa, PortugalUNSPECIFIED
Kabuth, AlinaIST, LNEG, Lisboa, PortugalUNSPECIFIED
Date:October 2010
Journal or Publication Title:Proceedings of ICOE 2010
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-7
Keywords:Remote sensed wave data, wave spectra, energy resource
Event Title:3rd International Conference on Ocean Energy
Event Location:Bilbao, Spain
Event Type:international Conference
Event Dates:6.-8. October 2010
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Entwicklung und Erprobung von Verfahren zur Gewässerfernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Marine Remote Sensing
Deposited On:25 Jan 2012 13:08
Last Modified:25 Jan 2012 13:08

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