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A comparative assessment on the use of SAR and high-resolution optical images in ocean dynamics studies / D.A. Gagliardini in International Journal of Remote Sensing IJRS, vol 25 n° 7 (April 2004)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 25 n° 7 (April 2004) . - pp 1271 - 1275 Titre : A comparative assessment on the use of SAR and high-resolution optical images in ocean dynamics studies Type de document : Article/Communication Auteurs : D.A. Gagliardini, Auteur ; A.C. Colon, Auteur Année de publication : 2004 Article en page(s) : pp 1271 - 1275 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] analyse comparative [Termes IGN] image à haute résolution [Termes IGN] image multitemporelle [Termes IGN] image optique [Termes IGN] radar à antenne synthétique Résumé : (Auteur) A comparison of Synthetic Aperture Radar (SAR) images acquired by the ERS-2 and RADARSAT-1 satellites with Landsat Thematic Mapper (TM) images acquired close in time is presented. Similarities and differences on the kind of ocean information they provide are discussed. The images were acquired over the Brazil-Malvinas (Falkland) Confluence under different solar elevation and azimuth angles. Ocean features observed by both types of sensors are discussed. These observations show that (1) at high solar angles, sun glint prevails over upwelled water-leaving radiance resulting in optical images that tend to provide dynamical information similar to that obtained from SAR imagery and (2) at low solar zenith and azimuth angles, upwelled radiation tends to prevail over sun glint, providing typical ocean colour and water quality information that can still complement and aid in the interpretation of SAR observations. Numéro de notice : A2004-090 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160310001592166 En ligne : https://doi.org/10.1080/01431160310001592166 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26617 [article]

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Code-barres	Cote	Support	Localisation	Section	Disponibilité
080-04071	RAB	Revue	Centre de documentation	En réserve L003	Exclu du prêt