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            <gco:CharacterString>Produits altimétriques type GDR (Geophysical Data Record) monomission, de niveau 2, le long de la trace. Plusieurs missions sont disponibles : GFO, Topex/Poseidon, Envisat, Cryosat-2, Jason-1, Jason-2, Jason-3, Saral/AltiKa. 
Les missions ayant connu plusieurs types d'orbite successives sont traitées intégralement. Par rapport à la version originale des fichiers GDR diffusés par les agences CNES, ESA, NASA et ISRO, le CTOH propose de nouvelles corrections et paramètres dans ces fichiers, qui sont à appliquer à la mesure altimétrique initiale, en fonction des besoins utilisateurs.
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Les missions ayant connu plusieurs types d'orbite successives sont traitées intégralement. Par rapport à la version originale des fichiers GDR diffusés par les agences CNES, ESA, NASA et ISRO, le CTOH propose de nouvelles corrections et paramètres dans ces fichiers, qui sont à appliquer à la mesure altimétrique initiale, en fonction des besoins utilisateurs.
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                  <gmd:LocalisedCharacterString locale="#EN">Along-track altimetric GDR (Geophysical Data Record) products , geophysical and environmental corrections to apply. Available missions are: GFO, Topex/Poseidon, Envisat, Cryosat-2, Jason-1, Jason-2, Jason-3, Saral/AltiKa. 
Missions with several successive orbital types are treated in their entirety. Compared to the original version of the GDR files distributed by the CNES, ESA, NASA and ISRO agencies, the CTOH proposes new corrections and parameters in these files, which are to be applied to the initial altimetry measurement, according to user needs.
Children metadata files are available for each mission.</gmd:LocalisedCharacterString>
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