YVETTE is a free-fall instrument package which measures temperature, conductivity, pressure, and horizontal velocity in the upper ocean. From the direct measurements, the density, rho, and gradient (or differenced) quantities such as Brunt-Vaisala frequency, N=-(g/rho) (partial derivative rho/partial derivative z), and the square of the vertical shear, S squared=(partial derivative u/partial derivative z) squared +(partial derivative v/partial derivative z) squared, can be calculated. Data from YVETTE have been used to ...
Spatial variations in small scale vertical shear in the upper ocean are described, relationships between small scale vertical shear and density stratification are investigated, and the potential for predicting mean vertical shear from measurements of the density field is assessed. Fifteen vertical profiles of density and horizontal velocity are used. These were obtained in several dynamically different ocean areas with a sensor package known as YVETTE. It is concluded that ...
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