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Cartographie – Compilation et analyses numériques de données bathymétriques sur la dorsale Atlantique Nord centrale ArchiMer
Viellefon, Priscille.
Today, only 15% of the global ocean floor has been mapped at a high resolution of around 100 meters. The French Research Institute for the Exploitation of the Sea (Ifremer) participates in the acquisition of high-resolution seafloor depth data called "bathymetric data", by deploying its oceanographic vessels equipped with multibeam echo sounders. This internship within the ocean mapping service of Ifremer allowed, firstly, the processing of raw bathymetric data, acquired between 1991 and 2018 over the central North Atlantic mid-ocean ridge, and to compile them in digital terrain models. These models are necessary to improve geologic investigations, and they are available to scientists in Ifremer and elsewhere. The models also contribute to international...
Tipo: Text Palavras-chave: Cartographie marine; Données bathymétriques; Dorsale; Ifremer; Océan Atlantique Nord central; Sondeur; Multifaisceaux; Structures abyssales; Sulfures polymétalliques; Tectonique des plaques; Traitement de données; Abyssal hill structures; Bathymetric data; Central North Atlantic mid; Ocean ridge; Data process; Digital terrain model; Ifremer; Multibeam echo sounder; Ocean mapping; Plate tectonic movements; Polymetallic sulphides.
Ano: 2020 URL:
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