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Absolute calibration of Jason satellite radar altimeters at Gavdos Cal/Val facility using independent techniques

Mertikas Stelios, Tserolas Vasileios, Tripolitsiotis Achilleas, Andrikopoulos, Dimitrios, Partsinevelos Panagiotis, Hausleitner, Wolfgang, Tziavos, I. N., (Ilias N.), Vergos G. S., Zervakis V., Frantzis X.

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URIhttp://purl.tuc.gr/dl/dias/7A4822A8-EC69-448F-B44A-840919868FE8-
Identifierhttps://doi.org/10.1117/12.865991-
Languageen-
TitleAbsolute calibration of Jason satellite radar altimeters at Gavdos Cal/Val facility using independent techniquesen
CreatorMertikas Steliosen
CreatorΜερτικας Στελιοςel
CreatorTserolas Vasileiosen
CreatorΤσερολας Βασιλειοςel
CreatorTripolitsiotis Achilleasen
CreatorΤριπολιτσιωτης Αχιλλεαςel
CreatorAndrikopoulos, Dimitriosen
CreatorPartsinevelos Panagiotisen
CreatorΠαρτσινεβελος Παναγιωτηςel
CreatorHausleitner, Wolfgangen
CreatorTziavos, I. N., (Ilias N.)en
CreatorVergos G. S.en
CreatorZervakis V.en
CreatorFrantzis X.en
PublisherSociety of Photo-optical Instrumentation Engineersen
Content SummaryThe Gavdos calibration facility for satellite radar altimeters has been operational as of 2004. The island is located along repeating ground tracks of Jason-1 and Jason-2 satellites (crossover point for passes No.109 ascending and No.018 descending and adjacent to Envisat), and because of its small size, both altimeter and radiometer measurements are not significantly contaminated by land. This makes Gavdos an ideal place for the calibration of satellite altimeters. In this work, three different techniques have been applied for calibrating the Jason altimeter measurements at Gavdos Cal/Val facility. These are: (i) The conventional: In-situ observations made by tide gauges, GNSS receivers, meteorological and other sensors in conjunction with precise geoid models are applied for determining the altimeter bias; (ii) The MSS: instead of the geoid, the mean sea level, provided by the CLS10_MSS model, is used as a reference surface for estimating the bias; and (iii) Microwave transponder measurements are implemented and examined over the cross over point on land to produce the altimeter bias as well. This paper presents the results regarding these calibration techniques.en
Type of ItemΠλήρης Δημοσίευση σε Συνέδριοel
Type of ItemConference Full Paperen
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-10-19-
Date of Publication2010-
Bibliographic CitationMertikas S. P., A. Daskalakis, V. Tserolas, W. Hausleitner, I. N. Tziavos; G. S. Vergos, V. Zervakis, X. Frantzis, A. Tripolitsiotis, P. Partsinevelos, D. Andrikopoulos . "Absolute calibration of Jason satellite radar altimeters at Gavdos Cal/Val facility using independent techniques." SPIE Symposium on Remote Sensing, 2010, doi: 10.1117/12.865991en

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