SE 13-03 Passive Acoustics: Towed Array

Metadata Updated: March 10, 2021

Two oil-filled hydrophone arrays (a primary and a backup) were available to augment the visual survey effort during this cruise. The primary array included the modular array system, which consists of a four-element inline array and a five-element end array separated by a 30 m length of cable to gain a longer distance between individual hydrophones for more accurate localization. Each piece of the system can be disconnected via underwater connectors (MHDM-26-CCR, Teledyne Impulse). The backup array was only a four-element end array. The modular array system was towed at 300 m behind the ship during daylight hours to collect data on cetacean vocalizations and assist with the localization of target species. The array was deployed each morning prior to the start of visual observations and normally retrieved each evening after search effort ended (and whenever increased maneuverability of the ship was required).

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date March 10, 2021
Metadata Updated Date March 10, 2021
Data Update Frequency irregular

Metadata Source

Harvested from Commerce Non Spatial Data.json Harvest Source

Additional Metadata

Resource Type Dataset
Metadata Created Date March 10, 2021
Metadata Updated Date March 10, 2021
Publisher ()
Unique Identifier Unknown
Maintainer
Identifier gov.noaa.nmfs.inport:20504
Language en-US
Data Last Modified 2015-07-30T14:03:49.716000-04:00
Public Access Level public
Data Update Frequency irregular
Bureau Code 006:48
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Old Spatial {"type": "Polygon", "coordinates": -177.0, 22.0, -157.92, 22.0, -157.92, 28.79, -177.0, 28.79, -177.0, 22.0}
Program Code 006:056
Source Datajson Identifier True
Source Hash 7bd7b1c7efab13c4a1ebc8351c85c4592dde0193
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -177.0, 22.0, -157.92, 22.0, -157.92, 28.79, -177.0, 28.79, -177.0, 22.0}
Temporal 2013-05-08T00:00:00/2013-06-03T00:00:00

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