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	Provedor de dados ArchiMer (1) Autor Ardhuin, Fabrice (1) Cheng, Sukun (1) Shen, Hayley H (1) Stopa, Justin (1) Palavra-chave Linear surface gravity wave (1) Pack ice (1) SAR derived wave spectra (1) Viscoelastic model calibration (1) Wave attenuation (1) Tipo do documento Text (1) Ano 2019 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Spectral attenuation of gravity wave and model calibration in pack ice ArchiMer Cheng, Sukun; Stopa, Justin; Ardhuin, Fabrice; Shen, Hayley H. We investigate an instance of wave propagation in the fall of 2015 in thin pack ice (<0.3 m) and use the resulting attenuation data to calibrate two viscoelastic wave-in-ice models that describe wave evolution. The study domain is 400 km by 300 km adjacent to a marginal ice zone (MIZ) in the Beaufort Sea. From Sentinel-1A synthetic aperture radar (SAR) imagery, the ice cover is divided into two regions delineated by the first appearance of leads. According to the quality of SAR retrievals, we focus on a range of wavenumbers corresponding to 9∼15 s waves from the open water dispersion relation. By pairing directional wave spectra from different locations, we obtain wavenumber-dependent attenuation rates, which slightly increase with increasing wavenumber... Tipo: Text Palavras-chave: Pack ice; Linear surface gravity wave; SAR derived wave spectra; Wave attenuation; Viscoelastic model calibration. Ano: 2019 URL: https://archimer.ifremer.fr/doc/00599/71123/69427.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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