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Investigation of accidents in severe weather events using satellite radar data

Lehner, Susanne and Rosenthal, Wolfgang and Schulz-Stellenfleth, Johannes (2006) Investigation of accidents in severe weather events using satellite radar data. In: Proceedings of SEASAR 2006 (SP-613). SEASAR 2006, 2006-01-23 - 2006-01-26, Frascati (Italy).

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Traditionally, rogue waves and wave groups have been studied by means of time series analysis of buoy records, which provides information about the temporal variability of such phenomena at a fixed ocean position. Radar systems instead provide spatial information on the sea surface topography. The synthetic aperture radar (SAR) yields high resolution two dimensional images of the radar backscatter properties of the sea surface and is thus be used to measure wind fields and sea state from space. In this pare wind fields and ocean wave fields around offshore platforms are analysed. Extreme wave phenomena are investigated using SAR intensity maps. This includes the detection of those rogue waves, and extreme wave groups, as well as the investigation on wave statistics with respect to those extreme wave events. Special emphasis is given to cases in which accidents happened at the platforms. Examples of SAR derived wave fields are given for the offshore oil platforms Ekofisk and Draupner situated in the North Sea and the new measurement platform FINO at which time series of wind speed and wave height are acquired to prepare for an offshore wind farm. In addition several ship accidents that happened in 1999 and 2000 during which reprocessed wave mode data are available are going to be investigated.

Item URL in elib:https://elib.dlr.de/43672/
Document Type:Conference or Workshop Item (Speech)
Title:Investigation of accidents in severe weather events using satellite radar data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:January 2006
Journal or Publication Title:Proceedings of SEASAR 2006
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:Satellite Radar Data, SAR
Event Title:SEASAR 2006
Event Location:Frascati (Italy)
Event Type:international Conference
Event Start Date:23 January 2006
Event End Date:26 January 2006
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Entwicklung und Erprobung von Verfahren zur Gewässerfernerkundung (old)
Location: Berlin-Adlershof , Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Marine Remote Sensing
Deposited On:26 Jun 2007
Last Modified:24 Apr 2024 19:05

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