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Fifteen years of Cal/Val service to reference altimetry missions: calibration of satellite altimetry at the permanent facilities in Gavdos and Crete, Greece

Mertikas Stylianos, Donlon Craig, Féménias Pierre, Mavrocordatos Constantin, Galanakis Dimitrios, Tripolitsiotis Achilleas, Frantzis Xenofon, Tziavos, Ilias N, Vergos George, Guinle Thierry

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URIhttp://purl.tuc.gr/dl/dias/FC5BB0F7-B6EE-49C6-951F-96F9DA7E4FCB-
Identifierhttps://doi.org/10.3390/rs10101557-
Identifierhttps://www.mdpi.com/2072-4292/10/10/1557-
Languageen-
Extent40 pagesen
TitleFifteen years of Cal/Val service to reference altimetry missions: calibration of satellite altimetry at the permanent facilities in Gavdos and Crete, Greeceen
CreatorMertikas Stylianosen
CreatorΜερτικας Στυλιανοςel
CreatorDonlon Craigen
CreatorFéménias Pierreen
CreatorMavrocordatos Constantinen
CreatorGalanakis Dimitriosen
CreatorΓαλανακης Δημητριοςel
CreatorTripolitsiotis Achilleasen
CreatorΤριπολιτσιωτης Αχιλλεαςel
CreatorFrantzis Xenofonen
CreatorΦραντζης Ξενοφωνel
CreatorTziavos, Ilias Nen
CreatorVergos Georgeen
CreatorGuinle Thierryen
PublisherMDPIen
Content SummarySatellite altimetry provides exceptional means for absolute and undisputable monitoring of changes in sea level and inland waters (rivers and lakes), over regional to global scales, with accuracy and with respect to the center of mass of the Earth. Altimetry system's responses have to be continuously monitored for their quality, biases, errors, drifts, etc. with calibration. Absolute calibration of altimeters is achieved by external and independent to satellite facilities on the ground. This is the mainstay for a continuous, homogenous, and reliable monitoring of the earth and its oceans. This paper describes the development of the Permanent Facility for Altimetry Calibration in Gavdos/Crete, Greece, as of 2001 along with its infrastructure and instrumentation. Calibration results are presented for the reference missions of Jason-1, Jason-2, and Jason-3. Then, this work continues with the determination of relative calibrations with respect to reference missions for Sentinel-3A, HY-2A, and SARAL/AltiKa. Calibration results are also given for Jason-2 and Jason-3 altimeters using the transponder at the CDN1 Cal/Val site on the mountains of Crete, with simultaneous comparisons against sea-surface calibration and during their tandem mission. Finally, the paper presents procedures for estimating uncertainties for altimeter calibration to meet the Fiducial Reference Measurement standards.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2019-06-03-
Date of Publication2018-
SubjectAltimetryen
SubjectCalibrationen
SubjectFiducial reference measurementsen
SubjectJasonen
SubjectSea surfaceen
SubjectTransponderen
Bibliographic CitationS. P. Mertikas, C. Donlon, P. Féménias, C. Mavrocordatos, D. Galanakis, A. Tripolitsiotis, X. Frantzis, I. N. Tziavos, G. Vergos and T. Guinle, "Fifteen years of Cal/Val service to reference altimetry missions: calibration of satellite altimetry at the permanent facilities in Gavdos and Crete, Greece," Remote Sens., vol. 10, no. 10, Oct. 2018. doi: 10.3390/rs10101557en

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