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Brandt, Peter; Kiko, Rainer; Wölfl, Anne-Cathrin; Schumacher, Mia (2025): Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV METEOR during cruise M208 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.984434

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Published: 2025-09-12 • DOI registered: 2025-10-11

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Abstract:
Raw multibeam bathymetry data were collected aboard RV METEOR during cruise M208 using a Kongsberg EM 122 multibeam echosounder. The expedition took place during 14.02.2025 - 17.03.2025 from Mindelo (Cape Verde) – Mindelo (Cape Verde) in the Mid-Atlantic. M208 was an interdisciplinary expedition focusing on upwelling in the tropical Northeast Atlantic. The main topics included the physical forcing of upwelling, its role in biological production and plankton communities, associated chemical cycles, and the resulting downward carbon export. Additionally, the cruise investigated atmospheric forcing, the input of Saharan dust, and its significance for nitrogen fixation and biological productivity. The research conducted during M208 contributed to the Heisenberg Project IOChange and the Program-Oriented Research (POF) of GEOMAR. Furthermore, the expedition served as a preparatory campaign for the FUTURO Project (The Future West African Upwelling System), referred to as FUTUROpre. Data were recorded within the EEZs of Cape Verde, Mauritania, Senegal, Gambia, Guinea-Bissau. Sound velocity profiles (SVP) were applied on the data for calibration. Please see environmental data and the cruise report for details. The data are unprocessed and can therefore contain incorrect depth measurements (artifacts) if not further processed. Note that refraction errors may occur when no proper SVP is applied. Data acquisition was done by GEOMAR Helmholtz Centre for Ocean Research, provision of the data is supported by the DAM Underway Project and published according to the FAIR principles.
Keyword(s):
Bathymetry; Multibeam Echosounder
Project(s):
DAM Underway Research Data (DAM_Underway)
DataHub Earth and Environment of the Helmholtz Association (DataHub)
Funding:
German Research Foundation (DFG), grant/award no. 469175784: Imaging marine life in an Ocean of change (IOChange)
Coverage:
Median Latitude: 15.785665 * Median Longitude: -18.967169 * South-bound Latitude: 10.998180 * West-bound Longitude: -25.113520 * North-bound Latitude: 18.171847 * East-bound Longitude: -16.271338
Date/Time Start: 2025-02-15T14:24:50 * Date/Time End: 2025-03-17T07:38:45
Minimum ELEVATION: -6564.3101 m a.s.l. * Maximum ELEVATION: -36.0940 m a.s.l.
Event(s):
M208_0_Underway-4 * Latitude Start: 16.903400 * Longitude Start: -25.019000 * Latitude End: 16.960800 * Longitude End: -24.964000 * Date/Time Start: 2025-02-15T14:24:50 * Date/Time End: 2025-03-17T07:54:38 * O2A Registry URI: https://registry.o2a-data.de/items/7491 * Campaign: M208 (NowUP) * Basis: Meteor (1986) * Method/Device: KONGSBERG EM122 (KEM122) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 122 multibeam echosounder during cruise M208
Comment:
These data should not be used for navigational purposes.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventBrandt, Peter
2Binary ObjectBinaryBrandt, Peter
3Binary Object (Media Type)Binary (Type)Brandt, Peter
4Binary Object (File Size)Binary (Size)BytesBrandt, Peter
5Kongsberg datagram raw file nameDatagram rfnBrandt, PeterExtracted from file
6File contentContentBrandt, Peter
7Data file recording durationData record durationminBrandt, PeterExtracted with MB-System
8Data file recording distanceData record distancemBrandt, PeterExtracted with MB-System
9Ship speedShip spknBrandt, PeterExtracted with MB-System
10Number of pingsPingsBrandt, PeterExtracted with MB-System
11Start of data file recording, date/timeFile start date/timeBrandt, PeterExtracted with MB-System
12Start of data file recording, latitudeFile start latitudeBrandt, PeterExtracted with MB-System
13Start of data file recording, longitudeFile start longitudeBrandt, PeterExtracted with MB-System
14Start of data file, headingFile start headingdegBrandt, PeterExtracted with MB-System
15Start of data file, depthFile start depthmBrandt, PeterExtracted with MB-System
16Stop of data file recording, date/timeFile stop date/timeBrandt, PeterExtracted with MB-System
17Stop of data file recording, latitudeFile stop latitudeBrandt, PeterExtracted with MB-System
18Stop of data file recording, longitudeFile stop longitudeBrandt, PeterExtracted with MB-System
19Stop of data file, headingFile stop headingdegBrandt, PeterExtracted with MB-System
20Stop of data file, depthFile stop depthmBrandt, PeterExtracted with MB-System
21DATE/TIMEDate/TimeBrandt, PeterGeocode
22LATITUDELatitudeBrandt, PeterGeocode
23LONGITUDELongitudeBrandt, PeterGeocode
24ELEVATIONElevationm a.s.l.Brandt, PeterGeocode
25CommentCommentBrandt, Peter
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 1 (ProcLevel1)
Size:
24432 data points

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