Data

BROKE-West active acoustic data workflow

Australian Antarctic Data Centre
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=info:doi10.4225/15/5a977343db1b9&rft.title=BROKE-West active acoustic data workflow&rft.identifier=10.4225/15/5a977343db1b9&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).&rft.creator=KAWAGUCHI, SO &rft.creator=COX, MARTIN &rft.date=2018&rft.coverage=northlimit=-52; southlimit=-70; westlimit=30; eastLimit=80; projection=WGS84&rft.coverage=northlimit=-52; southlimit=-70; westlimit=30; eastLimit=80; projection=WGS84&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_subject=biota&rft_subject=oceans&rft_subject=ACOUSTIC SCATTERING&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=OCEAN ACOUSTICS&rft_subject=FISHERIES&rft_subject=AQUATIC SCIENCES&rft_subject=EUPHAUSIIDS (KRILL)&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/INVERTEBRATES&rft_subject=ARTHROPODS&rft_subject=CRUSTACEANS&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=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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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.

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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).

Issued: 2018-02-26

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

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text: northlimit=-52; southlimit=-70; westlimit=30; eastLimit=80; projection=WGS84

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

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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