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	Provedor de dados ArchiMer (1) Autor Athie, Gabriela (1) Bourles, Bernard (1) Guiavarc'H, Catherine (1) Marin, Frederic (1) Treguier, Anne-marie (1) Palavra-chave Equatorial Atlantic (1) Intra seasonal variability (1) Ocean mixed layer (1) Sensitivity numerical experiments (1) Tropical instabilities (1) Tipo do documento Text (1) Ano 2009 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Sensitivity of near-surface Tropical Instability Waves to submonthly wind forcing in the tropical Atlantic ArchiMer Athie, Gabriela; Marin, Frederic; Treguier, Anne-marie; Bourles, Bernard; Guiavarc'H, Catherine. This study demonstrates the sensitivity of the near-surface properties in the tropical Atlantic Ocean to the high-frequency of the winds in numerical simulations. At intra-seasonal timescales (2-50 days), two distinct period ranges dominate the variability in the upper ocean: periods between 2 and 20 days, which are essentially wind-forced and periods between 20 and 50 days, due mostly to Tropical Instability Waves (TIWs). Using a numerical model forced by different wind fields, it is shown that the characteristics of the intra-seasonal variability in the ocean surface mixed-layer are strongly dependent on the wind forcing. Submonthly winds are shown to force large variability in the upper ocean that can strikingly decrease the amplitude of the TIWs in the... Tipo: Text Palavras-chave: Equatorial Atlantic; Intra seasonal variability; Tropical instabilities; Ocean mixed layer; Sensitivity numerical experiments. Ano: 2009 URL: http://archimer.ifremer.fr/doc/00000/11117/7967.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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