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Proud, Roland; Yang, Yang; Rommel, Alix Claire Maria: Raw EK80 echosounder data collected during the DisEntangling Seasonality of Active Carbon Flux In The Ocean (DESAFIO) reseach cruise in the North East Atlantic Ocean (2023) - Station 7 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.977359 (dataset in review)

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Abstract:
The Desafio research cruise was carried out on the research vessel (RV) Sarmiento de Gamboa, which departed from Vigo, Spain on February 1st 2023 and returned to port at Las Palmas, Gran Canaria on March 2nd 2023. The survey included eleven 48-hour stations, with approximately 12-hour transits in between the stations. The stations were sampled in descending order (starting at station 11 and ending at station 1). The first station (station 11) was reached on February 7th, 2023. This dataset contains echosounder observations collected underway ( to a maximum depth of 2000 m) and on station using a Simrad (Bergen) EK80 echosounder operating at five frequencies (18, 38, 70, 120, and 200 kHz). The echosounders were calibrated and the settings applied prior to departure.
Keyword(s):
Bioacoustics; EK80
Funding:
Horizon 2020 (H2020), grant/award no. 817806: Sustainable management of mesopelagic resources
Spanish Ministry of Science, Innovation and Universities (MICINN), grant/award no. PID2020-118118RB-100: DisEntangling Seasonality of Active Carbon Flux In The Ocean (DESAFIO)
Coverage:
Median Latitude: 33.062587 * Median Longitude: -25.023020 * South-bound Latitude: 32.996530 * West-bound Longitude: -25.231190 * North-bound Latitude: 33.167910 * East-bound Longitude: -24.838240
Date/Time Start: 2023-02-15T05:59:25 * Date/Time End: 2023-02-17T02:01:36
Minimum DEPTH, water: 1000.72394 m * Maximum DEPTH, water: 1000.72394 m
Event(s):
29SG20230201_07-EK80 * Latitude Start: 33.000700 * Longitude Start: -24.999960 * Latitude End: 33.159490 * Longitude End: -24.839760 * Date/Time Start: 2023-02-15T05:59:25 * Date/Time End: 2023-02-17T02:01:36 * Campaign: 29SG20230201 (DESAFIO-1) * Basis: Sarmiento de Gamboa * Method/Device: Echosounder, Simrad EK80 (Kongsberg Maritime AS) * Comment: Station 07
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventProud, Roland
2Station labelStationProud, Roland
3Date/time startDate/time startProud, Roland
4Date/time endDate/time endProud, Roland
5LATITUDELatitudeProud, RolandGeocode
6Latitude 2Latitude 2Proud, Roland
7LONGITUDELongitudeProud, RolandGeocode
8Longitude 2Longitude 2Proud, Roland
9IdentificationIDProud, Rolandchannel
10Data acquisition software (recording raw data)DASProud, RolandEchosounder, Simrad EK80 (EK80)
11FrequencyFrequencykHzProud, RolandEchosounder, Simrad EK80 (EK80)
12Number of pingsPingsProud, RolandEchosounder, Simrad EK80 (EK80)
13Beamwidth, alongshipBWALdegProud, RolandEchosounder, Simrad EK80 (EK80)
14Beamwidth, athwartshipBWATdegProud, RolandEchosounder, Simrad EK80 (EK80)
15Gain, transducerGTdB re 1Proud, RolandEchosounder, Simrad EK80 (EK80)
16Simrad correction factorSCFdB re 1/mProud, RolandEchosounder, Simrad EK80 (EK80)
17Ping intervalPing intsProud, Roland
18Pulse duration, transmittedPDTmsProud, RolandEchosounder, Simrad EK80 (EK80)
19Power, transmittedPower tmWProud, RolandEchosounder, Simrad EK80 (EK80)
20Sound velocity in waterSVm/sProud, RolandEchosounder, Simrad EK80 (EK80)
21Sound absorptionSAdB/mProud, RolandEchosounder, Simrad EK80 (EK80)
22Depth, water, top/minimumDepth water topmProud, Roland
23Depth, water, bottom/maximumDepth water botmProud, Roland
24DEPTH, waterDepth watermProud, RolandCalculatedGeocode
25CalibrationCalibrationProud, RolandEchosounder, Simrad EK80 (EK80)
26Echogram, raw formatEcho rawProud, RolandEchosounder, Simrad EK80 (EK80)
27Echogram, raw format (File Size)Echo raw (Size)BytesProud, RolandEchosounder, Simrad EK80 (EK80)
28Echogram, raw format (MD5 Hash)Echo raw (Hash)Proud, RolandEchosounder, Simrad EK80 (EK80)
29Echosounder index fileEcho idxProud, RolandEchosounder, Simrad EK80 (EK80)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
113735 data points

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