An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Standard

An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales. / Malinka, Chloe E.; Atkins, John; Johnson, Mark P.; Tønnesen, Pernille; Dunn, Charlotte A.; Claridge, Diane E.; Aguilar de Soto, Natacha; Madsen, Peter Teglberg.

In: Deep-Sea Research Part I: Oceanographic Research Papers, Vol. 158, 103233, 2020.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Malinka, CE, Atkins, J, Johnson, MP, Tønnesen, P, Dunn, CA, Claridge, DE, Aguilar de Soto, N & Madsen, PT 2020, 'An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales', Deep-Sea Research Part I: Oceanographic Research Papers, vol. 158, 103233. https://doi.org/10.1016/j.dsr.2020.103233

APA

Malinka, C. E., Atkins, J., Johnson, M. P., Tønnesen, P., Dunn, C. A., Claridge, D. E., Aguilar de Soto, N., & Madsen, P. T. (2020). An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales. Deep-Sea Research Part I: Oceanographic Research Papers, 158, [103233]. https://doi.org/10.1016/j.dsr.2020.103233

CBE

Malinka CE, Atkins J, Johnson MP, Tønnesen P, Dunn CA, Claridge DE, Aguilar de Soto N, Madsen PT. 2020. An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales. Deep-Sea Research Part I: Oceanographic Research Papers. 158:Article 103233. https://doi.org/10.1016/j.dsr.2020.103233

MLA

Vancouver

Malinka CE, Atkins J, Johnson MP, Tønnesen P, Dunn CA, Claridge DE et al. An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales. Deep-Sea Research Part I: Oceanographic Research Papers. 2020;158. 103233. https://doi.org/10.1016/j.dsr.2020.103233

Author

Malinka, Chloe E. ; Atkins, John ; Johnson, Mark P. ; Tønnesen, Pernille ; Dunn, Charlotte A. ; Claridge, Diane E. ; Aguilar de Soto, Natacha ; Madsen, Peter Teglberg. / An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales. In: Deep-Sea Research Part I: Oceanographic Research Papers. 2020 ; Vol. 158.

Bibtex

@article{f308bb71903d4c5cb579aa025479b3a1,
title = "An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales",
abstract = "For vocal animals with distinctive calls, passive acoustic monitoring can be used to infer presence, distribution, and abundance provided that the calls and calling behaviour are known. Key to enabling quantitative acoustic surveys are calibrated recordings of identified species from which the source parameters of the sounds can be estimated. Obtaining such information from free-ranging aquatic animals such as toothed whales requires multi-element hydrophone arrays, the use of which is often constrained by cost, the logistical challenge of long cables, and the necessity for attachment to a boat or mooring in order to digitise and store multiple channels of high-sample rate audio data. Such challenges are compounded when collecting recordings or tracking the diving behaviour of deep-diving animals for which the array must be deployed at depth. Here we report the development of an autonomous drifting deep-water vertical passive acoustic array that uses readily available off-the-shelf components. This lightweight portable array can be deployed quickly and repeatedly to depths of up to 1000 m from a small boat. The array comprises seven ST-300 HF SoundTrap autonomous recorders equally spaced on an 84 m electrical-mechanical cable. The single-channel digital sound recordings were configured to allow for synchronisation in post-processing using an RS-485 timing signal logged by all channels every second. We outline how to assemble the array, and provide software for time-synchronising the acoustic recorders. To demonstrate the utility of the array, we present an example of short-finned pilot whale clicks localised on the deep-water (700 m) array configuration. This array method has broad applicability for the cost-effective study of source parameters, acoustic ecology, and diving behaviour of deep diving toothed whales, which are valuable not only to understand the sensory ecology of deep-diving cetaceans, but also to improve passive acoustic monitoring for conservation and management.",
keywords = "Bioacoustics, Echolocation, Hydrophone array, Localisation, Passive acoustics, Source level",
author = "Malinka, {Chloe E.} and John Atkins and Johnson, {Mark P.} and Pernille T{\o}nnesen and Dunn, {Charlotte A.} and Claridge, {Diane E.} and {Aguilar de Soto}, Natacha and Madsen, {Peter Teglberg}",
year = "2020",
doi = "10.1016/j.dsr.2020.103233",
language = "English",
volume = "158",
journal = "Deep-Sea Research Part I: Oceanographic Research Papers",
issn = "0967-0637",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - An autonomous hydrophone array to study the acoustic ecology of deep-water toothed whales

AU - Malinka, Chloe E.

AU - Atkins, John

AU - Johnson, Mark P.

AU - Tønnesen, Pernille

AU - Dunn, Charlotte A.

AU - Claridge, Diane E.

AU - Aguilar de Soto, Natacha

AU - Madsen, Peter Teglberg

PY - 2020

Y1 - 2020

N2 - For vocal animals with distinctive calls, passive acoustic monitoring can be used to infer presence, distribution, and abundance provided that the calls and calling behaviour are known. Key to enabling quantitative acoustic surveys are calibrated recordings of identified species from which the source parameters of the sounds can be estimated. Obtaining such information from free-ranging aquatic animals such as toothed whales requires multi-element hydrophone arrays, the use of which is often constrained by cost, the logistical challenge of long cables, and the necessity for attachment to a boat or mooring in order to digitise and store multiple channels of high-sample rate audio data. Such challenges are compounded when collecting recordings or tracking the diving behaviour of deep-diving animals for which the array must be deployed at depth. Here we report the development of an autonomous drifting deep-water vertical passive acoustic array that uses readily available off-the-shelf components. This lightweight portable array can be deployed quickly and repeatedly to depths of up to 1000 m from a small boat. The array comprises seven ST-300 HF SoundTrap autonomous recorders equally spaced on an 84 m electrical-mechanical cable. The single-channel digital sound recordings were configured to allow for synchronisation in post-processing using an RS-485 timing signal logged by all channels every second. We outline how to assemble the array, and provide software for time-synchronising the acoustic recorders. To demonstrate the utility of the array, we present an example of short-finned pilot whale clicks localised on the deep-water (700 m) array configuration. This array method has broad applicability for the cost-effective study of source parameters, acoustic ecology, and diving behaviour of deep diving toothed whales, which are valuable not only to understand the sensory ecology of deep-diving cetaceans, but also to improve passive acoustic monitoring for conservation and management.

AB - For vocal animals with distinctive calls, passive acoustic monitoring can be used to infer presence, distribution, and abundance provided that the calls and calling behaviour are known. Key to enabling quantitative acoustic surveys are calibrated recordings of identified species from which the source parameters of the sounds can be estimated. Obtaining such information from free-ranging aquatic animals such as toothed whales requires multi-element hydrophone arrays, the use of which is often constrained by cost, the logistical challenge of long cables, and the necessity for attachment to a boat or mooring in order to digitise and store multiple channels of high-sample rate audio data. Such challenges are compounded when collecting recordings or tracking the diving behaviour of deep-diving animals for which the array must be deployed at depth. Here we report the development of an autonomous drifting deep-water vertical passive acoustic array that uses readily available off-the-shelf components. This lightweight portable array can be deployed quickly and repeatedly to depths of up to 1000 m from a small boat. The array comprises seven ST-300 HF SoundTrap autonomous recorders equally spaced on an 84 m electrical-mechanical cable. The single-channel digital sound recordings were configured to allow for synchronisation in post-processing using an RS-485 timing signal logged by all channels every second. We outline how to assemble the array, and provide software for time-synchronising the acoustic recorders. To demonstrate the utility of the array, we present an example of short-finned pilot whale clicks localised on the deep-water (700 m) array configuration. This array method has broad applicability for the cost-effective study of source parameters, acoustic ecology, and diving behaviour of deep diving toothed whales, which are valuable not only to understand the sensory ecology of deep-diving cetaceans, but also to improve passive acoustic monitoring for conservation and management.

KW - Bioacoustics

KW - Echolocation

KW - Hydrophone array

KW - Localisation

KW - Passive acoustics

KW - Source level

UR - http://www.scopus.com/inward/record.url?scp=85080099375&partnerID=8YFLogxK

U2 - 10.1016/j.dsr.2020.103233

DO - 10.1016/j.dsr.2020.103233

M3 - Journal article

AN - SCOPUS:85080099375

VL - 158

JO - Deep-Sea Research Part I: Oceanographic Research Papers

JF - Deep-Sea Research Part I: Oceanographic Research Papers

SN - 0967-0637

M1 - 103233

ER -