Data

KOMBI 002 2021 Long-term Passive Acoustic Data

Australian Antarctic Division
Miller, B.S., Brasier, M.J. and King, R. ; MILLER, BRIAN SETH ; BRASIER, MADELEINE JULIE ; KING, ROB
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:doi10.26179/kt62-d339&rft.title=KOMBI 002 2021 Long-term Passive Acoustic Data&rft.identifier=10.26179/kt62-d339&rft.publisher=Australian Antarctic Data Centre&rft.description=This dataset contains long-term passive acoustic data (i.e. underwater sound recordings) collected from Krill Observational Mooring for Benthic Investigations (KOMBI) seafloor lander platforms and Mooring for Epipelagic Echo-sounding of Krill (MEEK) platforms. In 2021 an AAD Moored Acoustic Recorder was integrated into each of the three KOMBIs deployed during the TEMPO voyage. MARs contained a factory calibrated HTI hydrophone and AAD-calibrated electronics that recorded continuously producing hour-long wav files at 12 kHz sample rate 16-bit depth. The start date and time of each recording is embedded in the file name of each wav file (i.e. yyyy-mm-dd_HH-MM-SS). Passive acoustic recorders recorded low and mid-frequency sounds that may be used for investigation of physical environment (e.g. ice, wind, waves, earth), biological environment (e.g. animal vocalisations and sounds) and anthropogenic noise (e.g. sounds produced by ships, construction, and other human activities).These data are for recorder 002 - also see the metadata records for recorders 001 and 003.Progress Code: completedStatement: The hydrophone was co-located next to an echosounder. The echosounder was configured with a 50% duty cycle, and Interference from the echosounder pulses and returns occurred as clicks that saturated the recording chain when the echosounder was active.&rft.creator=Miller, B.S., Brasier, M.J. and King, R. &rft.creator=MILLER, BRIAN SETH &rft.creator=BRASIER, MADELEINE JULIE &rft.creator=KING, ROB &rft.date=2025&rft.coverage=westlimit=62.4415; southlimit=-66.5185; eastlimit=62.4415; northlimit=-66.5185&rft.coverage=westlimit=62.4415; southlimit=-66.5185; eastlimit=62.4415; northlimit=-66.5185&rft.coverage=uplimit=1560; downlimit=1560&rft.coverage=uplimit=1560; downlimit=1560&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=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_4512_KOMBI002_2021_hydrophone when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > PHYSICAL AMBIENT NOISE&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > BIOLOGICAL AMBIENT NOISE&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > TOTAL AMBIENT NOISE&rft_subject=AAD MOORED ACOUSTIC RECORDER (MAR)&rft_subject=KOMBI&rft_subject=HYDROPHONES&rft_subject=Passive Acoustic Recorder&rft_subject=MOORINGS&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF&rft.type=dataset&rft.language=English Access the data
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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.

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_4512_KOMBI002_2021_hydrophone when using these data.

This metadata record is publicly available.

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Full description

This dataset contains long-term passive acoustic data (i.e. underwater sound recordings) collected from Krill Observational Mooring for Benthic Investigations (KOMBI) seafloor lander platforms and Mooring for Epipelagic Echo-sounding of Krill (MEEK) platforms. In 2021 an AAD Moored Acoustic Recorder was integrated into each of the three KOMBIs deployed during the TEMPO voyage. MARs contained a factory calibrated HTI hydrophone and AAD-calibrated electronics that recorded continuously producing hour-long wav files at 12 kHz sample rate 16-bit depth. The start date and time of each recording is embedded in the file name of each wav file (i.e. yyyy-mm-dd_HH-MM-SS). Passive acoustic recorders recorded low and mid-frequency sounds that may be used for investigation of physical environment (e.g. ice, wind, waves, earth), biological environment (e.g. animal vocalisations and sounds) and anthropogenic noise (e.g. sounds produced by ships, construction, and other human activities).

These data are for recorder 002 - also see the metadata records for recorders 001 and 003.

Lineage

Progress Code: completed
Statement: The hydrophone was co-located next to an echosounder. The echosounder was configured with a 50% duty cycle, and Interference from the echosounder pulses and returns occurred as clicks that saturated the recording chain when the echosounder was active.

Notes

Purpose
Record underwater sounds from physical, biological, and anthropogenic sources.

Data time period: 2021-02-28 to 2022-06-28

This dataset is part of a larger collection

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62.4415,-66.5185

62.4415,-66.5185

text: westlimit=62.4415; southlimit=-66.5185; eastlimit=62.4415; northlimit=-66.5185

text: uplimit=1560; downlimit=1560

Subjects
AAD MOORED ACOUSTIC RECORDER (MAR) | AMD | AMD/AU | CEOS | CONTINENT > ANTARCTICA | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > BIOLOGICAL AMBIENT NOISE | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > PHYSICAL AMBIENT NOISE | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE > TOTAL AMBIENT NOISE | GEOGRAPHIC REGION > POLAR | HYDROPHONES | KOMBI | MOORINGS | OCEAN > SOUTHERN OCEAN | OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF | Passive Acoustic Recorder | oceans |

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Other Information
Download the dataset. (GET DATA > DIRECT DOWNLOAD)

url : https://data.aad.gov.au/eds/6140/download

Public information for AAS project 4512 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/report_project_public.cfm?project_no=4512

Citation reference for this metadata record and dataset. (VIEW RELATED INFORMATION)

url : https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4512_KOMBI002_2021_hydrophone

Identifiers
ACN 633 798 857