Envisat Ocean Altimetry Performance Assessment and Cross-calibration

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ID: 112063
2006
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Abstract
Nearly three years of Envisat altimetric observations over ocean are available inGeophysical Data Record (GDR) products. The quality assessment of these data is routinelyperformed at the CLS Space Oceanography Division in the frame of the CNES Segment SolAltimétrie et Orbitographie (SSALTO) and ESA French Processing and Archiving Center(F-PAC) activities. This paper presents the main results in terms of Envisat data quality:verification of data availability and validity, monitoring of the most relevant altimeter(ocean1 retracking) and radiometer parameters, assessment of the Envisat altimeter systemperformances. This includes a cross-calibration analysis of Envisat data with Jason-1, ERS-2 and T/P. Envisat data show good general quality. A good orbit quality and a low level ofnoise allow Envisat to reach the high level of accuracy of other precise missions such as T/Pand Jason-1. Some issues raised in this paper, as the gravity induced orbit errors, will besolved in the next version of GDR products. Some others, as the Envisat Mean Sea Level inthe first year, still need further investigation.
Reference Key
faugere2006sensorsenvisat Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yannice Faugere;Joël Dorandeu;Fabien Lefevre;Nicolas Picot;Pierre Femenias;Faugere, Yannice;Dorandeu, Joël;Lefevre, Fabien;Picot, Nicolas;Femenias, Pierre;
Journal sensors
Year 2006
DOI
10.3390/s6030100
URL
https://www.mdpi.com/1424-8220/6/3/100/htm
Keywords
altimetry calibration/validation sea level.

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