Citation:

PANGAEA.991454

Name: Water column raw data (Kongsberg EM712 entire dataset) of RV MARIA S. MERIAN during cruise MSM139
Creator: Uwe John
Published: 2026-02-20
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bathymetry; Multibeam Echosounder

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Published: 2026-02-20 • DOI registered: 2026-03-21

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Abstract:

Raw multibeam bathymetry data were collected aboard RV MARIA S. Merian during cruise MSN139 using a Kongsberg EM 712 multibeam echosounder. The expedition took place during 2025-07-25 – 2025-08-27 from Reykjavik (Iceland) to Reykjavik (Iceland) in the North Atlantic. The overall goal of MSM139 was to investigate the interactions between hydrography, bio-optics, planktonic composition and community connectivity (especially toxigenic algae and their toxins). This is in combination with environmental genomic approaches (metatranscriptomics, metabarcoding, population genomics, paleometagenomics) conducted in five research areas in West Greenland fjords and coastline which differ in their ice coverage, glacial melt water runoffs, and history. The survey results will be used to estimate quantifiable effects of harmful algae blooms on the ecosystem, which are driven by an accelerated glacial melt water runoff. In addition, sediments will be examined for resting stages (cysts) and paleo-communities, focusing on toxigenic species. Data were recorded within the Danish EEZ (Greenland). 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 AWI, provision of the data is supported by the DAM Project Underway Research Data and published according to the FAIR principles.

Keyword(s):

Bathymetry; Multibeam Echosounder

Related to:

John, Uwe; Wölfl, Anne-Cathrin (2026): Multibeam bathymetry raw data (Kongsberg EM712 entire dataset) of RV MARIA S. MERIAN during cruise MSM139 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.989944

Project(s):

DAM Underway Research Data (DAM_Underway)

DataHub Earth and Environment of the Helmholtz Association (DataHub)

Polarregionen im Wandel 1: GreenHAB - Risiken der durch den Klimawandel verursachten schädlichen Algenblüte in grönländischen Gewässern; Leitantrag; Vorhaben: Ökologische und biochemische Schlüsselfunktionen der planktonischen Lebensgemeinschaft (GreenHAB)

Funding:

Federal Ministry of Education and Research (BMBF), grant/award no. 03F0945A : GreenHAB: Risiken der durch den Klimawandel verursachten schädlichen Algenblüte in grönländischen Gewässern

Coverage:

Latitude: 60.565098 * Longitude: -47.504646

Date/Time Start: 2025-07-31T16:51:08 * Date/Time End: 2025-07-31T16:51:08

Minimum ELEVATION: -112.6120 m a.s.l. * Maximum ELEVATION: -112.6120 m a.s.l.

Event(s):

MSM139_0_Underway-6 * Latitude Start: 60.707000 * Longitude Start: -46.521000 * Latitude End: 63.122800 * Longitude End: -53.042000 * Date/Time Start: 2025-07-29T11:26:36 * Date/Time End: 2025-08-22T07:45:30 * Elevation Start: -299.0 m * Elevation End: -2245.0 m * O2A Registry URI: https://registry.o2a-data.de/items/7594 * Campaign: (GreenHab) * Basis: * Method/Device: (EM712) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 712 multibeam echosounder during cruise MSM139

Comment:

These data should not be used for navigational purposes.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		John, Uwe
2	Binary Object	Binary		John, Uwe
3	Binary Object (Media Type)	Binary (Type)		John, Uwe
4	Binary Object (File Size)	Binary (Size)	Bytes	John, Uwe
5	Kongsberg datagram raw file name	Datagram rfn		John, Uwe	Extracted from file
6	File content	Content		John, Uwe
7	Data file recording duration	Data record duration	min	John, Uwe	Extracted with MB-System
8	Data file recording distance	Data record distance	m	John, Uwe	Extracted with MB-System
9	Ship speed	Ship sp	kn	John, Uwe	Extracted with MB-System
10	Number of pings	Pings		John, Uwe	Extracted with MB-System
11	Start of data file recording, date/time	File start date/time		John, Uwe	Extracted with MB-System
12	Start of data file recording, latitude	File start latitude		John, Uwe	Extracted with MB-System
13	Start of data file recording, longitude	File start longitude		John, Uwe	Extracted with MB-System
14	Start of data file, heading	File start heading	deg	John, Uwe	Extracted with MB-System
15	Start of data file, depth	File start depth	m	John, Uwe	Extracted with MB-System
16	Stop of data file recording, date/time	File stop date/time		John, Uwe	Extracted with MB-System
17	Stop of data file recording, latitude	File stop latitude		John, Uwe	Extracted with MB-System
18	Stop of data file recording, longitude	File stop longitude		John, Uwe	Extracted with MB-System
19	Stop of data file, heading	File stop heading	deg	John, Uwe	Extracted with MB-System
20	Stop of data file, depth	File stop depth	m	John, Uwe	Extracted with MB-System
21	DATE/TIME	Date/Time		John, Uwe		Geocode
22	LATITUDE	Latitude		John, Uwe		Geocode
23	LONGITUDE	Longitude		John, Uwe		Geocode
24	ELEVATION	Elevation	m a.s.l.	John, Uwe		Geocode
25	Comment	Comment		John, Uwe

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:

18 data points

Data

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1 Event	2 Binary	3 Binary (Type)	4 Binary (Size) [Bytes]	5 Datagram rfn	6 Content	7 Data record duration [min]	8 Data record distance [m]	9 Ship sp [kn]	10 Pings	11 File start date/time	12 File start latitude	13 File start longitude	14 File start heading [deg]	15 File start depth [m]	16 File stop date/time	17 File stop latitude	18 File stop longitude	19 File stop heading [deg]	20 File stop depth [m]	21 Date/Time	22 Latitude	23 Longitude	24 Elevation [m a.s.l.]	25 Comment
MSM139_0_Underway-6	0040_20250731_165108_MSM_EM712.wcd	application/octet-stream	279.5 MBytes	0040_20250731_165108_MSM_EM712.wcd	multibeam water column record raw data file .wcd / Kongsberg multibeam vendor format / except datagram rfn metadata extracted from corresponding .all files with MB-System MBIO data format ID 58 https://doi.org/10.1594/PANGAEA.989944	29.994	7807.5	8.4429	3587	2025-07-31T16:51:08	60.5650981	-47.5046465	251.2800	112.6120	2025-07-31T17:21:07	60.5573884	-47.646071900	261.8600	127.3378	2025-07-31T16:51:08	60.5650981	-47.5046465	-112.6120	GEOCODEs from start of data file recording