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	Provedor de dados ArchiMer (1) Autor Ardhuin, Fabrice (1) Maggi, Alessia (1) Obrebski, Mathias (1) Schimmel, Martin (1) Sergeant, Amandine (1) Stutzmann, Eleonore (1) Mais... Palavra-chave Noise sources (1) North Atlantic Ocean (1) Polarization (1) Secondary microseism (1) Tipo do documento Text (1) Ano 2013 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Frequency-dependent noise sources in the North Atlantic Ocean ArchiMer Sergeant, Amandine; Stutzmann, Eleonore; Maggi, Alessia; Schimmel, Martin; Ardhuin, Fabrice; Obrebski, Mathias. [1] Secondary microseisms are the most energetic waves in the noise spectra between 3 and 10 s. They are generated by ocean wave interactions and are predominantly Rayleigh waves. We study the associated noise sources in the North Atlantic Ocean by coupling noise polarization analysis and source mapping using an ocean wave model that takes into account coastal reflections. From the Rayleigh wave polarization analysis, we retrieve the back azimuth to the noise sources in the time-frequency domain. Noise source modeling enables us to locate the associated generation areas at different times and frequencies. We analyze the distribution of secondary microseism sources in the North Atlantic Ocean using 20 broadband stations located in the Arctic and around the... Tipo: Text Palavras-chave: Noise sources; Secondary microseism; North Atlantic Ocean; Polarization. Ano: 2013 URL: http://archimer.ifremer.fr/doc/00169/28075/26290.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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