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Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats

Research output: Contribution to journalArticle

DOI

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Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats. / DeRuiter, Stacy L.; Hansen, Michael; Koopman, Heather N.; Westgate, Andrew J.; Tyack, Peter L.; Madsen, Peter T.

In: Journal of the Acoustical Society of America, Vol. 127, No. 1, 01.2010, p. 560-567.

Research output: Contribution to journalArticle

Harvard

DeRuiter, SL, Hansen, M, Koopman, HN, Westgate, AJ, Tyack, PL & Madsen, PT 2010, 'Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats', Journal of the Acoustical Society of America, vol. 127, no. 1, pp. 560-567. https://doi.org/10.1121/1.3257203

APA

DeRuiter, S. L., Hansen, M., Koopman, H. N., Westgate, A. J., Tyack, P. L., & Madsen, P. T. (2010). Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats. Journal of the Acoustical Society of America, 127(1), 560-567. https://doi.org/10.1121/1.3257203

Vancouver

DeRuiter SL, Hansen M, Koopman HN, Westgate AJ, Tyack PL, Madsen PT. Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats. Journal of the Acoustical Society of America. 2010 Jan;127(1):560-567. https://doi.org/10.1121/1.3257203

Author

DeRuiter, Stacy L. ; Hansen, Michael ; Koopman, Heather N. ; Westgate, Andrew J. ; Tyack, Peter L. ; Madsen, Peter T. / Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats. In: Journal of the Acoustical Society of America. 2010 ; Vol. 127, No. 1. pp. 560-567.

Bibtex - Download

@article{65ca79887c9843a8b9673008c60669e3,
title = "Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats",
abstract = "Estimating the range at which harbor porpoises can detect prey items and environmental objects is integral to understanding their biosonar. Understanding the ranges at which they can use echolocation to detect and avoid obstacles is particularly important for strategies to reduce bycatch. Transmission loss (TL) during acoustic propagation is an important determinant of those detection ranges, and it also influences animal detection functions used in passive acoustic monitoring. However, common assumptions regarding TL have rarely been tested. Here, TL of synthetic porpoise clicks was measured in porpoise habitats in Canada and Denmark, and field data were compared with spherical spreading law and ray-trace (Bellhop) model predictions. Both models matched mean observations quite well in most cases, indicating that a spherical spreading law can usually provide an accurate first-order estimate of TL for porpoise sounds in porpoise habitat. However, TL varied significantly (+/- 10 dB) between sites and over time in response to variability in seafloor characteristics, sound-speed profiles, and other short-timescale environmental fluctuations. Such variability should be taken into account in estimates of the ranges at which porpoises can communicate acoustically, detect echolocation targets, and be detected via passive acoustic monitoring. (C) 2010 Acoustical Society of America. [DOI: 10.1121/1.3257203]",
author = "DeRuiter, {Stacy L.} and Michael Hansen and Koopman, {Heather N.} and Westgate, {Andrew J.} and Tyack, {Peter L.} and Madsen, {Peter T.}",
year = "2010",
month = "1",
doi = "10.1121/1.3257203",
language = "English",
volume = "127",
pages = "560--567",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats

AU - DeRuiter, Stacy L.

AU - Hansen, Michael

AU - Koopman, Heather N.

AU - Westgate, Andrew J.

AU - Tyack, Peter L.

AU - Madsen, Peter T.

PY - 2010/1

Y1 - 2010/1

N2 - Estimating the range at which harbor porpoises can detect prey items and environmental objects is integral to understanding their biosonar. Understanding the ranges at which they can use echolocation to detect and avoid obstacles is particularly important for strategies to reduce bycatch. Transmission loss (TL) during acoustic propagation is an important determinant of those detection ranges, and it also influences animal detection functions used in passive acoustic monitoring. However, common assumptions regarding TL have rarely been tested. Here, TL of synthetic porpoise clicks was measured in porpoise habitats in Canada and Denmark, and field data were compared with spherical spreading law and ray-trace (Bellhop) model predictions. Both models matched mean observations quite well in most cases, indicating that a spherical spreading law can usually provide an accurate first-order estimate of TL for porpoise sounds in porpoise habitat. However, TL varied significantly (+/- 10 dB) between sites and over time in response to variability in seafloor characteristics, sound-speed profiles, and other short-timescale environmental fluctuations. Such variability should be taken into account in estimates of the ranges at which porpoises can communicate acoustically, detect echolocation targets, and be detected via passive acoustic monitoring. (C) 2010 Acoustical Society of America. [DOI: 10.1121/1.3257203]

AB - Estimating the range at which harbor porpoises can detect prey items and environmental objects is integral to understanding their biosonar. Understanding the ranges at which they can use echolocation to detect and avoid obstacles is particularly important for strategies to reduce bycatch. Transmission loss (TL) during acoustic propagation is an important determinant of those detection ranges, and it also influences animal detection functions used in passive acoustic monitoring. However, common assumptions regarding TL have rarely been tested. Here, TL of synthetic porpoise clicks was measured in porpoise habitats in Canada and Denmark, and field data were compared with spherical spreading law and ray-trace (Bellhop) model predictions. Both models matched mean observations quite well in most cases, indicating that a spherical spreading law can usually provide an accurate first-order estimate of TL for porpoise sounds in porpoise habitat. However, TL varied significantly (+/- 10 dB) between sites and over time in response to variability in seafloor characteristics, sound-speed profiles, and other short-timescale environmental fluctuations. Such variability should be taken into account in estimates of the ranges at which porpoises can communicate acoustically, detect echolocation targets, and be detected via passive acoustic monitoring. (C) 2010 Acoustical Society of America. [DOI: 10.1121/1.3257203]

U2 - 10.1121/1.3257203

DO - 10.1121/1.3257203

M3 - Article

VL - 127

SP - 560

EP - 567

JO - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 1

ER -

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ID: 21299915

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