Drifting Acoustic Spar Buoy Recorder (DASBR) deployments in the San Nicolas Basin in January 2018

Barlow, Jay; Schorr, Gregory

doi:10.7289/v5/tm-swfsc-598

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Drifting Acoustic Spar Buoy Recorder (DASBR) deployments in the San Nicolas Basin in January 2018

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Personal Author:

Barlow, Jay ; Schorr, Gregory

Barlow, Jay ; Schorr, Gregory Less -
Corporate Authors:

Southwest Fisheries Science Center (U.S.)
NOAA Program & Office:

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

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

Drifting Acoustic Spar Buoy Recorders (DASBRs) were deployed six times in the San Nicolas Basin from 4 to 15 January 2018 for a total of 120 hours of recordings. Echolocation clicks of Cuvier's beaked whales were detected on 47 discrete occasions. Based on the diving behavior of this species, each occasion probably represents a deep-foraging dive. The average number of new deep-foraging dives per hour was 0.38. Cuvier's beaked whale echolocation clicks were detected in 12.4% of all recording minutes. Data from this study will be used as a measure of relative abundance of beaked whales to compare with other areas where DASBRs have been deployed.
Content Notes:

Jay Barlow and Gregory Schorr.

"May 2018."

Includes bibliographical references (page 5).
Keywords:

[+]

Analysis Equipment And Supplies Evaluation Hydrophone Measurement Oceanographic Buoys Oceanographic Instruments Oceanography Underwater Acoustics
Series:

NOAA technical memorandum NMFS ; NOAA-TM-NMFS-SWFSC ; 598

NOAA technical memorandum NMFS ; NOAA-TM-NMFS-SWFSC ; 598 Less -
DOI:

https://doi.org/10.7289/v5/tm-swfsc-598
Document Type:

Technical Memorandum
Rights Information:

Public Domain
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Submitted
Main Document Checksum:

[+]

urn:sha256:7144f16580481944ca42551ec78d3077a04b864e5e8545ee79268bf70a53b7bb
Download URL:

https://repository.library.noaa.gov/view/noaa/18082/noaa_18082_DS1.pdf
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Drifting Acoustic Spar Buoy Recorder (DASBR) deployments in the San Nicolas Basin in January 2018

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