Sheared turbulent flows and wake dynamics of an idled floating tidal turbine

L Lieber, S Fraser, D Coles… - Nature …, 2024 - nature.com
Ocean energy extraction is on the rise. While tides are the most predictable amongst marine
renewable resources, turbulent and complex flows still challenge reliable tidal stream …

Shear instability and turbulent mixing by Kuroshio intrusion into the Changjiang river plume

J Tu, J Wu, D Fan, Z Liu, Q Zhang… - Geophysical Research …, 2024 - Wiley Online Library
Shear instability is a dominant mechanism for mixing in the stratified oceans and coastal
seas. For the first time, we present fine‐scale, direct measurements of shear instabilities in …

The structure and dynamics of an estuarine tidal intrusion front

WR Geyer, DK Ralston, MC Haller… - Journal of …, 2024 - Wiley Online Library
Tidal intrusion fronts are surface convergences that occur at constrictions in estuaries during
the flood tide, separating incoming higher‐salinity water from lower‐salinity, stratified …

Observations of elevated mixing and periodic structures within diurnal warm layers

K Zeiden, J Thomson, A Shcherbina… - Journal of Geophysical …, 2024 - Wiley Online Library
Surface drifters (SWIFTs) equipped with down‐looking high‐resolution acoustic doppler
current profilers (ADCPs) were used to estimate the turbulent kinetic energy (TKE) …

Motion tracking of fish and bubble clouds in synthetic aperture sonar data

TM Marston, BR Hall, C Bassett, DS Plotnick… - The Journal of the …, 2024 - pubs.aip.org
Data captured by a Synthetic Aperture Sonar (SAS) near Mobile Bay during the 2021
Undersea Remote Sensing experiment funded by the Office of Naval Research reveals near …

High-resolution acoustically informed maps of sound speed

S Loranger, B DeCourcy, WG Zhang, YT Lin… - JASA Express …, 2024 - pubs.aip.org
As oceanographic models advance in complexity, accuracy, and resolution, in situ
measurements must provide spatiotemporal information with sufficient resolution to inform …

[PDF][PDF] Calibration and Processing of Nortek Signature1000 Echosounders

C Bassett, K Zeiden - 2023 - researchgate.net
ABSTRACT The five-beam Nortek Signature series acoustic Doppler current profilers
(ADCPs) include a vertical beam that can be operated as an echosounder. These …

Broadband acoustical scattering in coastal environments: application to gelatinous organisms and gas microbubbles

RE Kahn - 2024 - dspace.mit.edu
Broadband acoustical technology revolutionized our ability to explore, monitor, and operate
in the ocean. While strides have been made in numerous physical and biological …