Source levels of foraging humpback whale calls

被引：18

作者：

Fournet, Michelle E. H. ^{[1
,4
]}

Matthews, Leanna P. ^{[2
]}

Gabriele, Christine M. ^{[3
]}

Mellinger, David K. ^{[4
,5
]}

Klinck, Holger ^{[6
]}

机构：

[1] Oregon State Univ, Dept Fisheries & Wildlife, Corvallis, OR 97331 USA

[2] Syracuse Univ, Dept Biol, Syracuse, NY 13244 USA

[3] Glacier Bay Natl Pk & Preserve, Humpback Whale Monitoring Program, Gustavus, AK 99826 USA

[4] Oregon State Univ, Cooperat Inst Marine Resources Studies, Newport, OR 97365 USA

[5] NOAA, Pacific Marine Environm Lab, Newport, OR 97365 USA

[6] Cornell Univ, Cornell Lab Ornithol, Bioacoust Res Program, Ithaca, NY 14850 USA

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2018年 / 143卷 / 02期

关键词：

MEGAPTERA-NOVAEANGLIAE; SONG; VOCALIZATIONS; REPERTOIRE; BEHAVIOR; SOUNDS;

D O I：

10.1121/1.5023599

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Humpback whales produce a wide range of low-to mid-frequency vocalizations throughout their migratory range. Non-song "calls" dominate this species' vocal repertoire while on high-latitude foraging grounds. The source levels of 426 humpback whale calls in four vocal classes were estimated using a four-element planar array deployed in Glacier Bay National Park and Preserve, Southeast Alaska. There was no significant difference in source levels between humpback whale vocal classes. The mean call source level was 137 dB(RMS) re 1 mu Pa @ 1m in the bandwidth of the call (range 113-157 dBRMS re 1 mu Pa @ 1m), where bandwidth is defined as the frequency range from the lowest to the highest frequency component of the call. These values represent a robust estimate of humpback whale source levels on foraging grounds and should append earlier estimates. (C) 2018 Acoustical Society of America

引用

页码：EL105 / EL111

页数：7

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