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Publisher: American Meteorological Society
Modeling the Spatial Response of the Airfoil Shear Probe Using Different Sized Probes
Publisher: American Meteorological Society
Abstract: The airfoil shear probe is the only robust sensor currently available for measuring the rate of dissipation of kinetic energy in the ocean. The wavenumber (or spatial) resolution of the shear probe is determined by its ...
Thermal Inertia of Conductivity Cells: Theory
Publisher: American Meteorological Society
Abstract: The temperature anomaly of a fluid moving through circular and rectangular cylinders induced by the heat stored in the walls of these hollow cylinders is derived under the assumption of quasi-steady heat transfer. These ...
Dissipation Measurement with a Moored Instrument in a Swift Tidal Channel
Publisher: American Meteorological Society
Abstract: A moored and autonomous instrument that measures velocity and temperature fluctuations in the inertial subrange using shear probes and FP07 thermistors has been deployed in a swift [O(1 m s?1)] tidal channel for eight days. ...
Velocity Profiles in a Warm-Core Ring
Publisher: American Meteorological Society
Abstract: A transect of velocity profiles across Gulf Stream warm-core ring 82-B shows that the thermostad contained virtually no vertical shear. Enhanced downward-propagating near-inertial wave shear was present at the base of the ...
Turbulence in the California Undercurrent
Publisher: American Meteorological Society
Abstract: Vertical profiles of microstructure velocity over the San Diego Trough showed enhanced levels of kinetic energy dissipation in the intrusive region between the California Undercurrent and the surface California Current. ...
Turbulent Mixing at the Pacific Subtropical Front
Publisher: American Meteorological Society
Abstract: Some advection of water across the North Pacific subtropical front occurs by the subduction of surface mixed layers from the north side of the front underneath surface waters on the south side. Cross-frontal advection in ...
Why Oceanic Dissipation Rates Are Not Lognormal
Publisher: American Meteorological Society
Abstract: In their derivation of the lognormal probability density function for volume-averaged dissipation rates, Gurvich and Yaglom assumed explicitly that these dissipation rates are statistically homogeneous and that the averaging ...
Using a Broadband ADCP in a Tidal Channel. Part I: Mean Flow and Shear
Publisher: American Meteorological Society
Abstract: This paper discusses the principles of measuring the mean velocity and its vertical shear in a turbulent flow using an acoustic Doppler current profiler (ADCP), and presents an analysis of data gathered in a tidal channel. ...
Using a Broadband ADCP in a Tidal Channel. Part II: Turbulence
Publisher: American Meteorological Society
Abstract: A four-transducer, 600-kHz, broadband acoustic Dopple current profiler (ADCP) was rigidly mounted to the bottom of a fully turbulent tidal channel with peak flows of 1 m s?1. Rapid samples of velocity data are used to ...