Acoustic Zooplankton Fish Profiler (AZFP)


Technical Papers


From sea ice to seals: a moored marine ecosystem observatory in the Arctic Ocean Sci 14, 1423-1433, 2018

MUD, A New Acoustic Echosounder for Sediment Monitoring (WEDA 2018)

Acoustic Detection of Oil in the Water Column (AMOP 2018 poster)

Adapting Multi-Frequency Echo-sounders for Operation on Autonomous Vehicles (Oceans 2018)

Using Three Acoustic Technologies on Underwater Gliders to Survey Fish (MTS Society Journal 2018 Vol 52, No. 6)

Use of an Autonomous Surface Vehicle reveals small-scale diel vertical migrations of zooplankton and susceptibility to light pollution under low solar irradiance (Science Advances 2018)

Acoustic Detection of Subsurface Oil (ASL white paper December 2018)

Echosounder for Biological Surveys Using Ocean Gliders (Sea Technology July 2017)

Comparison of zooplankton density estimated by acoustic inversion method and net sampling (The Journal of the Acoustical Society of America Nov, 2016 - Abstract only)

Unexpected Levels of Biological Activity during the Polar Night Offer New Perspectives on a Warming Arctic (Current Biology Report 2017)

From polar night to midnight sun: Diel vertical migration, metabolism and biogeochemical role of zooplankton in a high Arctic fjord (Kongsfjorden, Svalbard) (Limnology and Oceanography 2017)

High-frequency multi-frequency acoustical backscatter observations from a small moving vessel used to investigate fish-zooplankton interactions in tidally mixed Sansum Narrows, British Columbia (Poster presented at ASLO 2017)

Seasonal dynamics of zooplankton in the southern Chukchi Sea revealed from acoustic backscattering strength (Continental Shelf Research 133 (2017) 47–58)

Strong turbulent mixing induced by internal bores interacting with internal tide-driven vertically sheared flow
(Geophys. Res. Lett., 43, doi:10.1002/2016GL067812)

The migration of fin whales into the southern Chukchi Sea as monitored with passive acoustics (ICES Journal of Marine Science 2016)

Cold Regime Interannual Variability of Primary and Secondary Producer Community Composition in the Southeastern Bering Sea: (PLOS ONE 2015)

Use of a high resolution multi-frequency acoustic instrument for estimation of zooplankton biomass and characterization of vertical ecosystem structure in the N Bering and Chukchi seas. (ICES 2015)

Near real-time transmission of reduced data from a moored multi-frequency sonar by low bandwidth telemetry(Oceans 2015)

Acoustic Monitoring of Fish Activity around an Artificial Reef in South Sea, Korea (Proceedings of Symposium on Ultrasonic Electronics, Vol 35, pp. 349-350, 2014)

Investigation of the Vertical Distribution, Movement and Abundance of Fish in the Vicinity of Proposed Tidal Power Energy Conversion Devices (OEER/OETR Research Project 2014)

Environmental Predictors of Ice Seal Presence in the Bering Sea (PLOS ONE 2014)

Second-order seasonal variability in diel vertical migration timing of euphausiids in a coastal inlet (Abstract only Sato et al. 2014)

Inter- and intra-annual variability of zooplankton abundance in Saanich Inlet, B.C. (OSM conference poster 2014)

Low Power Multi-Frequency Sonar for Near Real Time Long-Term Observations of Volume Backscatter(ASLO poster 2014)

Long-term continuous observations of zooplankton and fish from cabled ocean network(CoastGIS poster paper 2013)

Shoreward advection of phytoplankton and vertical re-distribution of zooplankton by episodic near-bottom water pulses on an insular shelf: Oahu, Hawaii(Continental Shelf Research 50–51 2012 Abstract only)

Multiple-frequency moored sonar for continuous observations of Zooplankton and fish(Oceans 2012)

Time series acoustic observations of macrozooplankton diel migration and associated pelagic fish abundance (Canadian Journal of Fisheries and Aquatic Sciences, 2011)

A Low-cost Calibration Facility for High-Frequency Acoustic Backscatter Instruments(Oceans 2011)

Behavior of methane seep bubbles over a pockmark on the Cascadia continental margin (Abstact only) (Geosphere Nov, 2011)

On Turbulence Production by Swimming Marine Organisms in the Open Ocean and Coastal Waters (Journal of Physical Oceanography, 2010, Vol 40, No. 9, pp. 2107-2121) (Abstract only)

Timing of forage fish seasonal appearance in the Columbia River plume and link to ocean conditions (Marine Ecology Progress Series, 2010, 419, pp. 171-184) (Abstract only)

Integrated measurements of acoustical and optical thin layers II: Vertical scales of association>(Continental Shelf Research, 2010, Vol. 30, Issue 1, pp. 29-38 )(Abstract only)

Long Zooplankton Time Series With High Temporal and Spatial Resolutions (Oceans 2010)

Monitoring of Zooplankton vertical distribution and abundance with acoustic water column profilers (Cuba 2009)

Diel behavior of sardine and anchovy schools in the California Current System (Marine Ecology Progress Series, 2009, 394, pp. 247-262) (Abstract only)

Comparison of Acoustic Measurements of Zooplankton Populations Using an Acoustic Water Column Profiler and an ADCP(Oceans 2008)

Diel variation of zooplankton distribution in Hawaiian waters favors horizontal diel migration by midwater micronekton (Marine Ecology Progress Series, 2008, 367:109-123)(Abstract only)

Inverted Echo Sounder on a Cabled Observatory(Oceans 2007)

Intra-annual variability in the density of Antarctic krill (EUPHAUSIA SUPERBA) at South Georgia, 2002–2005: Within-year variation provides a new framework for interpreting previous ‘Annual’ estimates of Krill density (CCAMLR Science 2007, Vol.14, 27-41)(Abstract only)

Simultaneous acoustic observations of turbulence and zooplankton in the ocean (Deep Sea Research, 2007, 54:143-153)(Abstract only)

Observations of Biologically Generated Turbulence in a Coastal Inlet (Science 2006)

Use of moored acoustic instruments to measure short-term variability in abundance of Antarctic krill (ASLO 2006)

The use of moored inverted echo sounders for monitoring meso-zooplankton and fish near the ocean surface (Can. J. Fish. Aquat. Sci., 2005, Vol 62, pp. 1004-1018) (Abstract only)

On turbulent co-spectrum of two scalars and its effect on acoustic scattering from oceanic turbulence (J. Fluid Mech, 2004, Vol. 514, pp.107-119)(Abstract only)

Sound scattering from oceanic turbulence (Geophys. Res. Lett., 2004, Vol. 30, pp.1344-1347) (Abstract only)

The Acoustic Water Column Profiler: A Tool for Long-term Monitoring of Zooplankton Populations (Oceans 2001)

A digital programmable high resolution 200khz water column profiler(Oceans 99)

WASP: A Self Contained Upward Looking Echo Sounder.(Oceans 95)

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