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Uncertainties in Estimates of Reynolds Stress and TKE Production Rate Using the ADCP Variance Method
Publisher: American Meteorological Society
Abstract: The use of acoustic Doppler current profilers (ADCPs) to measure turbulent parameters via the variance method involves uncertainties due to instrument noise and flow-related errors in measurement. For weak flows, the ...
The Cycle of Turbulent Dissipation in the Presence of Tidal Straining
Publisher: American Meteorological Society
Abstract: In regions of large horizontal density gradient, tidal straining acts to produce a periodic component of stratification that interacts with turbulent mixing to control water column structure and flow. A 25-h series of ...
Reynolds Stress and Turbulent Energy Production in a Tidal Channel
Publisher: American Meteorological Society
Abstract: A high-frequency (1.2 MHz) acoustic Doppler current profiler (ADCP) moored on the seabed has been used to observe the mean and turbulent flow components in a narrow tidally energetic channel over six tidal cycles at neap ...
The Vertical Structure of Turbulent Dissipation in Shelf Seas
Publisher: American Meteorological Society
Abstract: The free-fall FLY profiler has been used to determine the variation in energy dissipation ? in the water column over a tidal cycle at mixed and stratified sites in the Irish Sea. It was found that ? exhibits a strong M4 ...
Measurement of the Rates of Production and Dissipation of Turbulent Kinetic Energy in an Energetic Tidal Flow: Red Wharf Bay Revisited
Publisher: American Meteorological Society
Abstract: Simultaneous measurements of the rates of turbulent kinetic energy (TKE) dissipation (ε) and production (P) have been made over a period of 24 h at a tidally energetic site in the northern Irish Sea in water of 25-m depth. ...
Spatial Variability of Diapycnal Mixing and Turbulent Dissipation Rates in a Stagnant Fjord Basin
Publisher: American Meteorological Society
Abstract: Two microstructure profilers, two ships, and four moorings with acoustic Doppler current profilers and conductivity?temperature loggers were used in an intensive effort to map the spatial and temporal variations of vertical ...