Shifts in frequency-modulated pulses recorded during an encounter with Blainville's beaked whales (Mesoplodon densirostris)

Keating, Jennifer L.; Barlow, Jay; Rankin, Shannon

doi:10.1121/1.4959598

i

Shifts in frequency-modulated pulses recorded during an encounter with Blainville's beaked whales (Mesoplodon densirostris)

2016
By Keating, Jennifer L. ; Barlow, Jay ; Rankin, Shannon

Details

Journal Title:

The Journal of the Acoustical Society of America
Personal Author:

Keating, Jennifer L. ; Barlow, Jay ; Rankin, Shannon
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)
Description:

Echolocation signals produced by beaked whales (family: Ziphiidae) include frequency-modulated (FM) pulses that appear to have species-specific characteristics. To date there has been no established evidence that a single species of beaked whale might produce more than one type of FM pulse. In 2014 a group of Blainville's beaked whales (Mesoplodon densirostris) were sighted off of Southern California; recordings included FM pulses with significant increases in peak frequency, center frequency, and −10 dB bandwidth relative to FM pulses previously attributed to this species. This research suggests there may be greater variation in received beaked whale FM pulses than previously understood.
Keywords:

Acoustics And Ultrasonics Arts And Humanities (miscellaneous) Acoustics And Ultrasonics Arts And Humanities (miscellaneous) Acoustics And Ultrasonics Arts And Humanities (miscellaneous)
Source:

The Journal of the Acoustical Society of America, 140(2), EL166-EL171
DOI:

https://doi.org/10.1121/1.4959598
ISSN:

0001-4966 ; 1520-8524
Format:

PDF
Publisher:

Acoustical Society of America (ASA)
Document Type:

Journal Article
Rights Information:

Other
Compliance:

Library
Main Document Checksum:

urn:sha-512:8db557a87605183af00085ba71c8334e8b2040f82154fc8644ec7818b7e5cc7db025de8b747dc73b18e9fe89c26fb316a127fa07d53199f0422f06489c22f888
Download URL:

https://repository.library.noaa.gov/view/noaa/63165/noaa_63165_DS1.pdf
File Type:

[PDF - 1.40 MB ]

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