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Effects of pressure ridge sheltering on the spatial and temporal variability of boundary layer stability under first year sea ice
Provedor de dados: 5
Autores: Hudier, E; Ingram, G.
We present series of data describing the small-scale structure of the boundary layer stratification in the vicinity and away from a 1.5 m pressure ridge keel. We then analyze the influence of pressure ridges on the spatial and temporal variability of the ocean boundary layer Our experiment was done during the melt in order to use small-scale salinity gradients to study the variability in intensity of mixing processes. High-resolution salinity records sampled at 0+, 25 and 50 cm from the ice-water interface were analyzed at two stations, one at 5 m and the other at 75 m from a pressure ridge keel. We observed that, in the immediate vicinity of the ridge, melting is associated with the periodic development and dissipation of a melt layer in relation with the...
Tipo: Text
Palavras-chave: Glace; Rugosité; Couche limite; Diffusion turbulente; Ice; Roughness; Boundary layer; Eddy diffusivity.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/00325/43598/43981.pdf