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	Provedor de dados ArchiMer (1) Autor Ardhuin, Fanny (1) Ezraty, Robert (1) Palavra-chave Advanced Scatterometer (ASCAT) (1) Arctic (1) Drift (1) Merging (1) Scatterometry (1) Sea ice (1) Mais... Tipo do documento Text (1) Ano 2012 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Enhanced Arctic Sea Ice Drift Estimation Merging Radiometer and Scatterometer Data ArchiMer Ardhuin, Fanny; Ezraty, Robert. Satellites enable daily and global coverage of the polar oceans and provide a unique monitoring capability of sea ice dynamics. Sea ice drift maps can be estimated in Arctic from several satellite sensors, particularly from scatterometers and radiometers. This study presents the benefits of combining single drift fields at the same resolution into a "merged" field, built at three-and six-day lags during winters with a 62.5-km resolution. It is shown that combining these drift fields not only increases the reliability of the displacement estimation and the number of estimated vectors to almost a full ice covered area but also expands the time period over which these estimations are reliable from freeze until the melt onset. The autumn-winter-spring sea ice... Tipo: Text Palavras-chave: Arctic; Advanced Scatterometer (ASCAT); Drift; Merging; Scatterometry; Sea ice. Ano: 2012 URL: http://archimer.ifremer.fr/doc/00088/19895/17729.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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