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Absolute calibration of Sentinel-3A and Jason-3 altimeters with sea-surface and transponder techniques in west Crete, Greece

Mertikas Stylianos, Donlon Craig, Femenias Pierre, Mavrocordatos Constantin, Galanakis Demitris, Guinle Thierry, Boy Francois, Tripolitsiotis Achilleas, Frantzis Xenofon, Tziavos, Ilias N, Vergos, Georgios S

Απλή Εγγραφή

URIhttp://purl.tuc.gr/dl/dias/3F8CE2AF-82A1-4570-999A-6F937408EB66-
Αναγνωριστικόhttps://doi.org/10.1007/1345_2019_63-
Αναγνωριστικόhttps://link.springer.com/chapter/10.1007/1345_2019_63-
Γλώσσαen-
Μέγεθος7 pagesen
ΤίτλοςAbsolute calibration of Sentinel-3A and Jason-3 altimeters with sea-surface and transponder techniques in west Crete, Greeceen
ΔημιουργόςMertikas Stylianosen
ΔημιουργόςΜερτικας Στυλιανοςel
ΔημιουργόςDonlon Craigen
ΔημιουργόςFemenias Pierreen
ΔημιουργόςMavrocordatos Constantinen
ΔημιουργόςGalanakis Demitrisen
ΔημιουργόςGuinle Thierryen
ΔημιουργόςBoy Francoisen
ΔημιουργόςTripolitsiotis Achilleasen
ΔημιουργόςΤριπολιτσιωτης Αχιλλεαςel
ΔημιουργόςFrantzis Xenofonen
ΔημιουργόςΦραντζης Ξενοφωνel
ΔημιουργόςTziavos, Ilias Nen
ΔημιουργόςVergos, Georgios Sen
ΕκδότηςSpringer Natureen
ΠερίληψηThis work presents the latest absolute and relative calibrations for the altimeters of the Sentinel-3A and Jason-3 at the Permanent Facility for Altimeter Calibration in west Crete, Greece. Results have been determined at first with the transponder at the CDN1 Cal/Val site on the mountains of west Crete using the ascending Sentinel-3A Pass No. 14 and the descending Jason-3 Pass No.18. Then, sea-surface calibration has been carried out with the descending Sentinel-3A Pass No. 335 and the ascending Jason-3 Pass No.109 based on the Cal/Val facility on Gavdos island. For Sentinel-3A results have been established for cycles 3–27 using Level 2 (Level 0 for transponder) and Non-Time Critical data. For Jason-3, cycles 5–80 and the S-GDR-D data have been worked with the transponder calibration, while for the results with sea-surface calibration, cycles 1–80 with the I-GDR-D data have been implemented. Sentinel-3A produces biases of the order of a few mm either with the transponder (+2.7 mm) or with the sea-surface calibration (7.3 mm and −4.4 mm). The altimeter of Jason-3 presents a range bias at +22.7 mm (No.18) with the transponder and −36.7 mm for the bias in sea-surface height, respectively. Finally, comparison of sea-surface heights observed by Sentinel-3A relative to Jason-3 demonstrates a difference of +4 cm within a period of ±3 days about 20 km south of Gavdos.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2022-07-19-
Ημερομηνία Δημοσίευσης2018-
Θεματική ΚατηγορίαCalibrationen
Θεματική ΚατηγορίαJason-3en
Θεματική ΚατηγορίαSea-surfaceen
Θεματική ΚατηγορίαSentinel-3Aen
Θεματική ΚατηγορίαTransponderen
Θεματική ΚατηγορίαValidationen
Βιβλιογραφική ΑναφοράS. P. Mertikas, C. Donlon, P. Femenias, C. Mavrocordatos, D. Galanakis, T. Guinle, F. Boy, A. Tripolitsiotis, X. Frantzis, I. N. Tziavos, and G. S. Vergos, “Absolute calibration of Sentinel-3A and Jason-3 altimeters with sea-surface and transponder techniques in west Crete, Greece,” in Fiducial Reference Measurements for Altimetry, vol 150, International Association of Geodesy Symposia, S. Mertikas, R. Pail, Eds., Cham, Switzerland: Springer Nature, 2020, pp. 41–47, doi: 10.1007/1345_2019_63.en

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