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Extreme wind conditions observed by satellite synthetic aperture radar in the North West Pacific

Reppucci, Antonio and Lehner, Susanne and Schulz-Stellenfleth, Johannes and Yang, C. S. (2007) Extreme wind conditions observed by satellite synthetic aperture radar in the North West Pacific. International Journal of Remote Sensing, 29 (21), pp. 6129-6144. DOI: 10.1080/01431160802175504

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In this paper some recent results on SAR observation of extreme surface wind conditions are summarized. Particular emphasis is put on the investigation of typhoons occurring in the North West Pacific. The study is based on the use of ENVISAT ASAR wide swath images (400 km400 km), which allow synoptic measurements of the complete mesoscale system at high resolution (150 m). Surface wind speed for typhoon cases is determined from SAR measurements using the geophysical model function CMOD5. Further structures observed in the image like streaks indicating wind direction and the ring of maximum wind speed are additionally taken into account to reconstruct the typhoon wind field. The influence of heavy rain on the radar cross section is estimated from an existing radiative transfer model and compared to the SAR measurements. A new technique for the estimation of typhoon intensity from SAR data is presented, which makes use of a parametric type model. The main goal of the paper is the improvement of the estimation of maximum typhoon intensity using SAR data.

Item URL in elib:https://elib.dlr.de/48242/
Document Type:Article
Title:Extreme wind conditions observed by satellite synthetic aperture radar in the North West Pacific
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schulz-Stellenfleth, JohannesUNSPECIFIEDUNSPECIFIED
Yang, C. S.KORDI, Ansan, South KoreaUNSPECIFIED
Date:March 2007
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1080/01431160802175504
Page Range:pp. 6129-6144
Taylor & Francis, UNSPECIFIED
Keywords:Typhoon; synthetic aperture radar
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: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Marine Remote Sensing
Deposited On:30 Oct 2008
Last Modified:15 Jan 2010 00:39

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