Data

BROKE-West active acoustic data workflow

Australian Ocean Data Network
Kawaguchi, S. and Cox, M. ; KAWAGUCHI, SO ; COX, MARTIN
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/records/AAS_4050_EK60&rft.title=BROKE-West active acoustic data workflow&rft.identifier=http://data.aad.gov.au/metadata/records/AAS_4050_EK60&rft.publisher=Australian Antarctic Data Centre&rft.description=The attached file details the workflow for the processing and analysis of active acoustic data (Simrad EK60; 12, 38, 120 and 200 kHz) collected from RSV Aurora Australis during the 2006 BROKE-West voyage. The attached file is in Echoview(R) (https://www.echoview.com/) version 8 format. The Echoview file is suitable for working with fisheries acoustics, i.e. water column backscatter, data collected using a Simrad EK60 and the file is set-up to read 38, 120 and 200 kHz split-beam data. The file has operators to remove acoustic noise, e.g. spikes and dropped pings, and operators for removing surface noise and seabed echoes. Echoes arising from krill are isolated using the ‘dB-difference’ method recommended by CCAMLR. The Echoview file is set-up to export the results of krill echo integration as both intervals and swarms. Full details of the method are available in Jarvis et al. (2010) and the krill swarms methods are described in Bestley et al. (2017).Progress Code: completedStatement: There are no problems with the file, but a copy of the Echoview(R) software (https://www.echoview.com/) is required to open the file and an Echoview(R) license is necessary to access all the functionality in the file.&rft.creator=Kawaguchi, S. and Cox, M. &rft.creator=KAWAGUCHI, SO &rft.creator=COX, MARTIN &rft.date=2018&rft.coverage=westlimit=30; southlimit=-70; eastlimit=80; northlimit=-52&rft.coverage=westlimit=30; southlimit=-70; eastlimit=80; northlimit=-52&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=The primary methods in the Echoview file are provided in: Jarvis, T., Kelly, N., Kawaguchi, S., van Wijk, E., and Nicol, S. (2010). Acoustic characterisation of the broad-scale distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctica (30-80 E) in January-March 2006. Deep Sea Research Part II: Topical Studies in Oceanography, 57(9-10), 916-933. The krill swarm methods are provided in: Bestley S, Raymond B, Gales NJ, Harcourt RG, Hindell MA, Jonsen ID, Nicol S, Peron C, Sumner MD, Weimerskirch H, Wotherspoon SJ, Cox M.J. (2017) Predicting krill swarm characteristics important for marine predators foraging off East Antarctica. Ecography. This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4050_EK60 when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=biota&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC SCATTERING&rft_subject=EARTH SCIENCE > OCEANS > AQUATIC SCIENCES > FISHERIES&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > EUPHAUSIIDS (KRILL)&rft_subject=ECHOVIEW&rft_subject=EK60&rft_subject=ACOUSTICS&rft_subject=HYDROACOUSTICS&rft_subject=ECHO SOUNDERS&rft_subject=R/V AA > R/V Aurora Australis&rft_subject=AMD/AU&rft_subject=AMD&rft_subject=CEOS&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

Open Licence view details
CC-BY

Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

These data are publicly available for download from the provided URL.

The primary methods in the Echoview file are provided in:

Jarvis, T., Kelly, N., Kawaguchi, S., van Wijk, E., and Nicol, S. (2010). Acoustic characterisation of the broad-scale distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctica (30-80 E) in January-March 2006. Deep Sea Research Part II: Topical Studies in Oceanography, 57(9-10), 916-933.

The krill swarm methods are provided in:

Bestley S, Raymond B, Gales NJ, Harcourt RG, Hindell MA, Jonsen ID, Nicol S, Peron C, Sumner MD, Weimerskirch H, Wotherspoon SJ, Cox M.J. (2017) Predicting krill swarm characteristics important for marine predators foraging off East Antarctica. Ecography.


This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4050_EK60 when using these data.

This metadata record is publicly available.

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Brief description

The attached file details the workflow for the processing and analysis of active acoustic data (Simrad EK60; 12, 38, 120 and 200 kHz) collected from RSV Aurora Australis during the 2006 BROKE-West voyage. The attached file is in Echoview(R) (https://www.echoview.com/) version 8 format. The Echoview file is suitable for working with fisheries acoustics, i.e. water column backscatter, data collected using a Simrad EK60 and the file is set-up to read 38, 120 and 200 kHz split-beam data. The file has operators to remove acoustic noise, e.g. spikes and dropped pings, and operators for removing surface noise and seabed echoes. Echoes arising from krill are isolated using the ‘dB-difference’ method recommended by CCAMLR. The Echoview file is set-up to export the results of krill echo integration as both intervals and swarms. Full details of the method are available in Jarvis et al. (2010) and the krill swarms methods are described in Bestley et al. (2017).

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Progress Code: completed
Statement: There are no problems with the file, but a copy of the Echoview(R) software (https://www.echoview.com/) is required to open the file and an Echoview(R) license is necessary to access all the functionality in the file.

Notes

Purpose
The purpose of this file is to detail the workflow for krill identification and echo integration used during the BROKE-West survey. The file has the workflow for noise removal, surface and seabed echo removal, krill identification and echo integration.

Data time period: 2006-01-01 to 2006-03-01

This dataset is part of a larger collection

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80,-52 80,-70 30,-70 30,-52 80,-52

55,-61

text: westlimit=30; southlimit=-70; eastlimit=80; northlimit=-52

Subjects
ACOUSTICS | AMD | AMD/AU | CEOS | CONTINENT > ANTARCTICA | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > EUPHAUSIIDS (KRILL) | EARTH SCIENCE > OCEANS > AQUATIC SCIENCES > FISHERIES | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC SCATTERING | ECHO SOUNDERS | ECHOVIEW | EK60 | GEOGRAPHIC REGION > POLAR | HYDROACOUSTICS | OCEAN > SOUTHERN OCEAN | R/V AA > R/V Aurora Australis | biota | oceans |

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Other Information
Download the dataset (GET DATA)

uri : https://data.aad.gov.au/eds/4602/download

Echoview website (VIEW RELATED INFORMATION > GENERAL DOCUMENTATION)

uri : https://www.echoview.com/

Identifiers
  • global : AAS_4050_EK60