Citation:

PANGAEA.943131

Name: EK60 raw multi-frequency (EK80, 38 and 200 kHz) acoustic data collected during RV METEOR cruise M153 to the Benguela Upwelling System work area
Published: 2022-04-07
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Benguela Upwelling System; EK60; hydroacoustics; South Atlantic; vertical migration

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Abstract:

Hydroacoustic raw data from the M153 cruise aboard the RV Meteor in 2019 (15/02/2019 to 27/03/2019) to the Benguela Upwelling System. The hydroacoustics were used to observe the distribution of krill, zooplankton and pelagic fish up to the mesopelagic zone for the project TRAFFIC. We used a SIMRAD EK80 system with a transportable SIMRAD WBT Mini and combined transducer with 38 and 200 kHz. Data deeper than 750m has been identified as range limit and excluded.

Keyword(s):

Benguela Upwelling System; EK60; hydroacoustics; South Atlantic; vertical migration

Project(s):

Trophic Transfer Efficiency in the Benguela Current (TRAFFIC)

Funding:

Bundesministerium für Bildung und Forschung, Bonn (BMBF), grant/award no. 03F0797A: Trophic Transfer Efficiency in the Benguela Current

Coverage:

Median Latitude: -8.205920 * Median Longitude: -2.475115 * South-bound Latitude: -24.976284 * West-bound Longitude: -18.827061 * North-bound Latitude: 8.564444 * East-bound Longitude: 13.876832

Date/Time Start: 2019-02-15T23:41:53 * Date/Time End: 2019-03-16T08:54:21

Minimum Elevation: -291.0 m * Maximum Elevation: -291.0 m

Event(s):

M153_0_underway-3 * Latitude Start: -24.976284 * Longitude Start: 13.876832 * Latitude End: 8.564444 * Longitude End: -18.827061 * Date/Time Start: 2019-02-15T23:41:53 * Date/Time End: 2019-03-28T09:35:19 * Elevation: -291.0 m * Campaign: * Basis: * Method/Device: (EK80)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	DATE/TIME	Date/Time		Dudeck, Tim	Geocode – start
2	DATE/TIME	Date/Time		Dudeck, Tim	Geocode – end
3	LATITUDE	Latitude		Dudeck, Tim	Geocode – minimum
4	LATITUDE	Latitude		Dudeck, Tim	Geocode – maximum
5	LONGITUDE	Longitude		Dudeck, Tim	Geocode – minimum
6	LONGITUDE	Longitude		Dudeck, Tim	Geocode – maximum
7	Frequency	Frequency	kHz	Dudeck, Tim	1
8	Frequency	Frequency	kHz	Dudeck, Tim	2
9	Power, transmitted	Power tm	W	Dudeck, Tim	1
10	Power, transmitted	Power tm	W	Dudeck, Tim	2
11	Pulse length, transmitted	Pulse l tm	ms	Dudeck, Tim
12	File format	File format		Dudeck, Tim
13	Binary Object	Binary		Dudeck, Tim	.raw
14	Binary Object	Binary		Dudeck, Tim	.idx

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

76061 data points

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