Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment
The low-frequency target strength of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during Autumn 2006 spawning season is estimated from experimental data acquired simultaneously at multiple frequencies in the 300–1200Hz range using (1) a low-frequency ocean acoustic waveguide remo...
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| Format: | Article |
| Language: | en_US |
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American Institute of Physics
2014
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| Online Access: | http://hdl.handle.net/1721.1/87700 https://orcid.org/0000-0003-4369-296X |
| _version_ | 1826190560679952384 |
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| author | Gong, Zheng Andrews, Mark Jagannathan, Srinivasan Patel, Ruben Jech, J. Michael Makris, Nicholas Ratilal, Purnima |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Gong, Zheng Andrews, Mark Jagannathan, Srinivasan Patel, Ruben Jech, J. Michael Makris, Nicholas Ratilal, Purnima |
| author_sort | Gong, Zheng |
| collection | MIT |
| description | The low-frequency target strength of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during Autumn 2006 spawning season is estimated from experimental data acquired simultaneously at multiple frequencies in the 300–1200Hz range using (1) a low-frequency ocean acoustic waveguide remote sensing (OAWRS) system, (2) areal population density calibration with several conventional fish finding sonar (CFFS) systems, and (3) low-frequency transmission loss measurements. The OAWRS system’s instantaneous imaging diameter of 100km and regular updating enabled unaliased monitoring of fish populations over ecosystem scales including shoals of Atlantic herring containing hundreds of millions of individuals, as confirmed by concurrent trawl and CFFS sampling. High spatial-temporal coregistration was found between herring shoals imaged by OAWRS and concurrent CFFS line-transects, which also provided fish depth distributions. The mean scattering cross-section of an individual shoaling herring is found to consistently exhibit a strong, roughly 20dB/octave roll-off with decreasing frequency in the range of the OAWRS survey over all days of the roughly 2-week experiment, consistent with the steep roll-offs expected for sub-resonance scattering from fish with air-filled swimbladders. |
| first_indexed | 2024-09-23T08:42:09Z |
| format | Article |
| id | mit-1721.1/87700 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T08:42:09Z |
| publishDate | 2014 |
| publisher | American Institute of Physics |
| record_format | dspace |
| spelling | mit-1721.1/877002022-09-30T10:36:51Z Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment Gong, Zheng Andrews, Mark Jagannathan, Srinivasan Patel, Ruben Jech, J. Michael Makris, Nicholas Ratilal, Purnima Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Department of Mechanical Engineering Makris, Nicholas Makris, Nicholas Ratilal, Purnima Jagannathan, Srinivasan The low-frequency target strength of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during Autumn 2006 spawning season is estimated from experimental data acquired simultaneously at multiple frequencies in the 300–1200Hz range using (1) a low-frequency ocean acoustic waveguide remote sensing (OAWRS) system, (2) areal population density calibration with several conventional fish finding sonar (CFFS) systems, and (3) low-frequency transmission loss measurements. The OAWRS system’s instantaneous imaging diameter of 100km and regular updating enabled unaliased monitoring of fish populations over ecosystem scales including shoals of Atlantic herring containing hundreds of millions of individuals, as confirmed by concurrent trawl and CFFS sampling. High spatial-temporal coregistration was found between herring shoals imaged by OAWRS and concurrent CFFS line-transects, which also provided fish depth distributions. The mean scattering cross-section of an individual shoaling herring is found to consistently exhibit a strong, roughly 20dB/octave roll-off with decreasing frequency in the range of the OAWRS survey over all days of the roughly 2-week experiment, consistent with the steep roll-offs expected for sub-resonance scattering from fish with air-filled swimbladders. National Oceanographic Partnership Program (U.S.) United States. Office of Naval Research Alfred P. Sloan Foundation National Center for Atmospheric Research (U.S.) 2014-06-09T15:47:10Z 2014-06-09T15:47:10Z 2010 2009-10 Article http://purl.org/eprint/type/JournalArticle 00014966 http://hdl.handle.net/1721.1/87700 Gong, Zheng, Mark Andrews, Srinivasan Jagannathan, Ruben Patel, J. Michael Jech, Nicholas C. Makris, and Purnima Ratilal. “Low-Frequency Target Strength and Abundance of Shoaling Atlantic Herring (Clupea Harengus) in the Gulf of Maine During the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment.” The Journal of the Acoustical Society of America 127, no. 1 (2010): 104. © 2010 Acoustical Society of America. https://orcid.org/0000-0003-4369-296X en_US http://dx.doi.org/10.1121/1.3268595 Journal of the Acoustical Society of America Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Institute of Physics Prof. Makris via Angie Locknar |
| spellingShingle | Gong, Zheng Andrews, Mark Jagannathan, Srinivasan Patel, Ruben Jech, J. Michael Makris, Nicholas Ratilal, Purnima Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title | Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title_full | Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title_fullStr | Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title_full_unstemmed | Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title_short | Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment |
| title_sort | low frequency target strength and abundance of shoaling atlantic herring clupea harengus in the gulf of maine during the ocean acoustic waveguide remote sensing 2006 experiment |
| url | http://hdl.handle.net/1721.1/87700 https://orcid.org/0000-0003-4369-296X |
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