Characterizing coastal cod vocalization using a towed hydrophone array
Abstract To better understand spawning vocalizations of Norwegian coastal cod (Gadus morhua), a prototype eight-element coherent hydrophone array was deployed in stationary vertical and towed horizontal modes to monitor cod sounds during an experiment in spring 2019. Depth distribution of cod aggreg...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , , , , , , |
Other Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Oxford University Press (OUP)
2023
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1093/icesjms/fsad104 https://academic.oup.com/icesjms/article-pdf/80/6/1727/51096483/fsad104.pdf |
id |
croxfordunivpr:10.1093/icesjms/fsad104 |
---|---|
record_format |
openpolar |
spelling |
croxfordunivpr:10.1093/icesjms/fsad104 2024-10-13T14:07:23+00:00 Characterizing coastal cod vocalization using a towed hydrophone array Seri, Sai Geetha Schinault, Matthew Edward Penna, Seth Michael Zhu, Chenyang Sivle, Lise Doksæter de Jong, Karen Handegard, Nils Olav Ratilal, Purnima Juanes, Francis National Science Foundation Office of Naval Research NFR 2023 http://dx.doi.org/10.1093/icesjms/fsad104 https://academic.oup.com/icesjms/article-pdf/80/6/1727/51096483/fsad104.pdf en eng Oxford University Press (OUP) https://creativecommons.org/licenses/by/4.0/ ICES Journal of Marine Science volume 80, issue 6, page 1727-1745 ISSN 1054-3139 1095-9289 journal-article 2023 croxfordunivpr https://doi.org/10.1093/icesjms/fsad104 2024-09-24T04:08:06Z Abstract To better understand spawning vocalizations of Norwegian coastal cod (Gadus morhua), a prototype eight-element coherent hydrophone array was deployed in stationary vertical and towed horizontal modes to monitor cod sounds during an experiment in spring 2019. Depth distribution of cod aggregations was monitored concurrently with an ultrasonic echosounder. Cod vocalizations recorded on the hydrophone array are analysed to provide time–frequency characteristics, and source level distribution after correcting for one-way transmission losses from cod locations to the hydrophone array. The recorded cod vocalization frequencies range from ∼20 to 600 Hz with a peak power frequency of ∼60 Hz, average duration of 300 ms, and mean source level of 163.5 ± 7.9 dB re 1 μPa at 1 m. Spatial dependence of received cod vocalization rates is estimated using hydrophone array measurements as the array is towed horizontally from deeper surrounding waters to shallow water inlet areas of the experimental site. The bathymetric-dependent probability of detection regions for cod vocalizations are quantified and are found to be significantly reduced in shallow-water areas of the inlet. We show that the towable hydrophone array deployed from a moving vessel is invaluable because it can survey cod vocalization activity at multiple locations, providing continuous spatial coverage that is complementary to fixed sensor systems that provide continuous temporal coverage at a given location. Article in Journal/Newspaper Gadus morhua Oxford University Press ICES Journal of Marine Science |
institution |
Open Polar |
collection |
Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
description |
Abstract To better understand spawning vocalizations of Norwegian coastal cod (Gadus morhua), a prototype eight-element coherent hydrophone array was deployed in stationary vertical and towed horizontal modes to monitor cod sounds during an experiment in spring 2019. Depth distribution of cod aggregations was monitored concurrently with an ultrasonic echosounder. Cod vocalizations recorded on the hydrophone array are analysed to provide time–frequency characteristics, and source level distribution after correcting for one-way transmission losses from cod locations to the hydrophone array. The recorded cod vocalization frequencies range from ∼20 to 600 Hz with a peak power frequency of ∼60 Hz, average duration of 300 ms, and mean source level of 163.5 ± 7.9 dB re 1 μPa at 1 m. Spatial dependence of received cod vocalization rates is estimated using hydrophone array measurements as the array is towed horizontally from deeper surrounding waters to shallow water inlet areas of the experimental site. The bathymetric-dependent probability of detection regions for cod vocalizations are quantified and are found to be significantly reduced in shallow-water areas of the inlet. We show that the towable hydrophone array deployed from a moving vessel is invaluable because it can survey cod vocalization activity at multiple locations, providing continuous spatial coverage that is complementary to fixed sensor systems that provide continuous temporal coverage at a given location. |
author2 |
Juanes, Francis National Science Foundation Office of Naval Research NFR |
format |
Article in Journal/Newspaper |
author |
Seri, Sai Geetha Schinault, Matthew Edward Penna, Seth Michael Zhu, Chenyang Sivle, Lise Doksæter de Jong, Karen Handegard, Nils Olav Ratilal, Purnima |
spellingShingle |
Seri, Sai Geetha Schinault, Matthew Edward Penna, Seth Michael Zhu, Chenyang Sivle, Lise Doksæter de Jong, Karen Handegard, Nils Olav Ratilal, Purnima Characterizing coastal cod vocalization using a towed hydrophone array |
author_facet |
Seri, Sai Geetha Schinault, Matthew Edward Penna, Seth Michael Zhu, Chenyang Sivle, Lise Doksæter de Jong, Karen Handegard, Nils Olav Ratilal, Purnima |
author_sort |
Seri, Sai Geetha |
title |
Characterizing coastal cod vocalization using a towed hydrophone array |
title_short |
Characterizing coastal cod vocalization using a towed hydrophone array |
title_full |
Characterizing coastal cod vocalization using a towed hydrophone array |
title_fullStr |
Characterizing coastal cod vocalization using a towed hydrophone array |
title_full_unstemmed |
Characterizing coastal cod vocalization using a towed hydrophone array |
title_sort |
characterizing coastal cod vocalization using a towed hydrophone array |
publisher |
Oxford University Press (OUP) |
publishDate |
2023 |
url |
http://dx.doi.org/10.1093/icesjms/fsad104 https://academic.oup.com/icesjms/article-pdf/80/6/1727/51096483/fsad104.pdf |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_source |
ICES Journal of Marine Science volume 80, issue 6, page 1727-1745 ISSN 1054-3139 1095-9289 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1093/icesjms/fsad104 |
container_title |
ICES Journal of Marine Science |
_version_ |
1812813652924825600 |