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Dudeck, Tim; Horton, Matt; Rixen, Tim (2022): EK60 raw multi-frequency (18, 38, 120, 200 kHz) acoustic data collected during RV SONNE cruise SO285 in 2021 to Benguela Upwelling System work area. PANGAEA, https://doi.org/10.1594/PANGAEA.942114

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Abstract:
Hydroacoustic raw data from the SO285 cruise aboard the RV Sonne in 2021 (20/08/2021 to 02/11/2021) from the Canary Islands to the Benguela Upwelling System. The hydroacoustics were used as underway measurements during the mooring rescue cruise in the South Atlantic. No biological reference sampling was done on this cruise. We used the Sonne's SIMRAD EK60 system with 4 frequencies: 18, 38, 120 and 200 kHz. A trigger box was used to avoid interferences with the multibeam echosounders and ADCP during the cruise. Pinging interval is thus less consistent. Ping duration was set to 1.024ms.
Keyword(s):
Benguela Upwelling System; EK60; hydroacoustics; South Atlantic; vertical migration
Funding:
Bundesministerium für Bildung und Forschung, Bonn (BMBF), grant/award no. 03F0797A: Trophic Transfer Efficiency in the Benguela Current
Coverage:
Median Latitude: 29.058163 * Median Longitude: -16.281752 * South-bound Latitude: 10.898141 * West-bound Longitude: -21.629157 * North-bound Latitude: 47.218184 * East-bound Longitude: -10.934347
Date/Time Start: 2021-09-14T15:22:22 * Date/Time End: 2021-10-10T04:45:40
Event(s):
SO285_0_Underway-3 * Latitude Start: 47.218184 * Longitude Start: -10.934347 * Latitude End: 10.898141 * Longitude End: -21.629157 * Date/Time Start: 2021-08-22T18:42:38 * Date/Time End: 2021-10-20T07:56:43 * Campaign: SO285 (TRAFFIC) * Basis: Sonne_2 * Method/Device: Echosounder, Simrad, EK60
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeDudeck, TimGeocode – start
2DATE/TIMEDate/TimeDudeck, TimGeocode – end
3LATITUDELatitudeDudeck, TimGeocode – minimum
4LATITUDELatitudeDudeck, TimGeocode – maximum
5LONGITUDELongitudeDudeck, TimGeocode – minimum
6LONGITUDELongitudeDudeck, TimGeocode – maximum
7FrequencyFrequencykHzDudeck, Tim1
8FrequencyFrequencykHzDudeck, Tim2
9FrequencyFrequencykHzDudeck, Tim3
10FrequencyFrequencykHzDudeck, Tim4
11Power, transmittedPower tmWDudeck, Tim1
12Power, transmittedPower tmWDudeck, Tim2
13Power, transmittedPower tmWDudeck, Tim3
14Power, transmittedPower tmWDudeck, Tim4
15Pulse length, transmittedPulse l tmmsDudeck, Tim
16File formatFile formatDudeck, Tim
17Binary ObjectBinaryDudeck, Tim.raw
18Binary Object (File Size)Binary (Size)BytesDudeck, Tim.raw
19Binary Object (MD5 Hash)Binary (Hash)Dudeck, Tim.raw
20Binary ObjectBinaryDudeck, Tim.idx
21Binary Object (File Size)Binary (Size)BytesDudeck, Tim.idx
22Binary Object (MD5 Hash)Binary (Hash)Dudeck, Tim.idx
Status:
Curation Level: Basic curation (CurationLevelB) * Processing Level: PANGAEA data processing level 1 (ProcLevel1)
Size:
5544 data points

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