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	Provedor de dados ArchiMer (1) Autor Ardhuin, Fabrice (1) Obrebski, Mathias (1) Schimmel, Martin (1) Stutzmann, Eleonore (1) Palavra-chave Compressionnal body waves (1) Double frequency microseism (1) Noise source (1) Numerical modeling (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 Detection of microseismic compressional (P) body waves aided by numerical modeling of oceanic noise sources ArchiMer Obrebski, Mathias; Ardhuin, Fabrice; Stutzmann, Eleonore; Schimmel, Martin. Among the different types of waves embedded in seismic noise, body waves present appealing properties but are still challenging to extract. Here we first validate recent improvements in numerical modeling of microseismic compressional (P) body waves and then show how this tool allows fast detection and location of their sources. We compute sources at similar to 0.2 Hz within typical P teleseismic distances (30-90 degrees) from the Southern California Seismic Network and analyze the most significant discrete sources. The locations and relative strengths of the computed sources are validated by the good agreement with beam-forming analysis. These 54 noise sources exhibit a highly heterogeneous distribution, and cluster along the usual storm tracks in the... Tipo: Text Palavras-chave: Compressionnal body waves; Noise source; Double frequency microseism; Numerical modeling. Ano: 2013 URL: http://archimer.ifremer.fr/doc/00161/27251/25448.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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