Advancing Observation of Ocean Biogeochemistry, Biology, and Ecosystems With Cost-Effective in situ Sensing Technologies

ZA Wang, H Moustahfid, AV Mueller… - Frontiers in Marine …, 2019 - frontiersin.org
Advancing our understanding of ocean biogeochemistry, biology, and ecosystems relies on
the ability to make observations both in the ocean and at the critical boundaries between the …

Modern technologies and integrated observing systems are “instrumental” to fisheries oceanography: A brief history of ocean data collection

FB Schwing - Fisheries Oceanography, 2023 - Wiley Online Library
Interdisciplinary data fuel fisheries oceanography research and the ecosystem‐based
approaches to management and sustainable development it informs. Underlying this is a …

[HTML][HTML] Acoustic backscattering at a tidal intrusion front

C Bassett, AC Lavery, D Ralston, WR Geyer… - Progress in …, 2023 - Elsevier
Strong spatial gradients and rapidly evolving, three-dimensional structure make estuarine
fronts difficult to sample. Echosounders can be used near fronts to provide nearly synoptic …

Categorizing active marine acoustic sources based on their potential to affect marine animals

CD Ruppel, TC Weber, ER Staaterman… - Journal of Marine …, 2022 - mdpi.com
Marine acoustic sources are widely used for geophysical imaging, oceanographic sensing,
and communicating with and tracking objects or robotic vehicles in the water column. Under …

Quantitative processing of broadband data as implemented in a scientific split‐beam echosounder

LN Andersen, D Chu, NO Handegard… - Methods in Ecology …, 2024 - Wiley Online Library
The use of quantitative broadband echosounders for biological studies and surveys can
offer considerable advantages over narrowband echosounders. These include improved …

[HTML][HTML] Exploring the promise of broadband fisheries echosounders for species discrimination with quantitative assessment of data processing effects

KJ Benoit-Bird, CM Waluk - The Journal of the Acoustical Society of …, 2020 - pubs.aip.org
It remains an open question how well the increased bandwidth afforded by broadband
echosounders can improve species discrimination in fisheries acoustics. Here, an objective …

Acoustic characterization of fish and macroplankton communities in the Seychelles-Chagos thermocline ridge of the southwest Indian ocean

M Kang, S Oh, W Oh, DJ Kang, SH Nam… - Deep Sea Research Part II …, 2024 - Elsevier
In this study, we describe the dynamics of the sound scattering layers (SSLs), particularly
those of fish and macroplankton communities in the epipelagic layer, in the Seychelles …

Classification of broadband target spectra in the mesopelagic using physics-informed machine learning

E Cotter, C Bassett, A Lavery - The Journal of the Acoustical Society of …, 2021 - pubs.aip.org
Broadband echosounders measure the scattering response of an organism over a range of
frequencies. When compared with acoustic scattering models, this response can provide …

A Bayesian inverse approach to identify and quantify organisms from fisheries acoustic data

SS Urmy, A De Robertis… - ICES Journal of Marine …, 2023 - academic.oup.com
Identifying sound-scattering organisms is a perennial challenge in fisheries acoustics. Most
practitioners classify backscatter based on direct sampling, frequency-difference thresholds …

Broadband echosounder measurements of the frequency response of fishes and euphausiids in the Gulf of Alaska

C Bassett, A De Robertis… - ICES Journal of Marine …, 2018 - academic.oup.com
Broadband acoustic scattering techniques are not widely used in fisheries acoustics, but this
may change due to the recent commercial availability of a broadband echosounder system …