Citation:

PANGAEA.979972 (DOI registration in progress)

Name: Multibeam bathymetry raw data (Atlas Hydrosweep DS 2 echo sounder entire dataset) of RV METEOR during cruise M57/3
Creator: Volker Brüchert
Published: 2025-03-28
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bathymetry; Multibeam Echosounder

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Published: 2025-03-28

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Abstract:

Multibeam bathymetry raw data using the ship's own Atlas Hydrographic Hydrosweep DS 2 multibeam echo sounder was not continuously recorded during RV METEOR cruise M57/3. Data was recorded on 17 days between 2003-03-15 and 2003-04-08. This dataset contains a survey data in the South Atlantic Ocean. In the north data are recorded during transit whereas in the south data are being recorded from Namibian continental the shelf to continental slope. The approximate average depth of the entire dataset is around 4300m. The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt für Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. No ancillary sound velocity profiles (SVP) files from the cruise are archived at the BSH, thus no SVP files are added to this dataset. This publication is conducted within the efforts of the German Marine Research Alliance in the core area 'Data management and Digitalization' (Deutsche Allianz Meeresforschung, DAM). Data are unprocessed and therefore contains incorrect depth measurements (artifacts) without further processing. Note that refraction errors can be expected due to the lack of proper SVP. Overall, it appears that the data quality is rather good too bad since the gridded hillshade data showed some unrealistic swath width at the continual slope area, the remaining data are looking ok. Data can be processed e.g. with the open source software package MB-System (Caress et al. 2024, https://doi.org/10.5281/zenodo.6302801).

Keyword(s):

Bathymetry; Multibeam Echosounder

Related to:

Zabel, Matthias; Schneider, Ralph R; Brüchert, Volker (2005): The Benguela Upwelling System 2003, Cruise No. 57, January 20 - April 13, 2003, Capetown - Dakar. METEOR-Berichte, Leitstelle Meteor, Institut für Meereskunde der Universität Hamburg, 05-1, 181 pp, https://doi.org/10.2312/cr_m57

Related code / software:

Caress, David W; Schwehr, Kurt; O'Reilly, Tom; Porras Falconio, Nicolas; Rueda, Carlos A.; Carreras, Joaquim; Berkowitz, Zac; dos Santos Ferreira, Christian; Donahue, Julian; McCann, Mike; Paduan, Jennifer B; Rose, Dan; Benavides, Jesse; Perry, Matthew (2024): dwcaress/MB-System: [software]. Zenodo, https://doi.org/10.5281/zenodo.6302801

Project(s):

DAM Underway Research Data (DAM_Underway)

Coverage:

Median Latitude: -19.590172 * Median Longitude: 11.165041 * South-bound Latitude: -23.716833 * West-bound Longitude: -6.638350 * North-bound Latitude: 0.053700 * East-bound Longitude: 14.471317

Date/Time Start: 2003-03-15T12:03:57 * Date/Time End: 2003-04-08T16:45:09

Minimum ELEVATION: -7654.5220 m a.s.l. * Maximum ELEVATION: -29.2292 m a.s.l.

Event(s):

M57/3_0_Underway-1 * Latitude Start: -23.003000 * Longitude Start: 14.370100 * Latitude End: 0.053700 * Longitude End: -6.638350 * Date/Time Start: 2003-03-15T12:03:57 * Date/Time End: 2003-04-08T16:45:09 * Campaign: * Basis: * Method/Device: * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Atlas Hydrographic Hydrosweep DS 2 multibeam echo sounder during cruise M57/3

Comment:

These data should not be used for navigational purposes.

Data publishing was realized by Daniel Damaske, MARUM - Center for Marine Environmental Sciences (University Bremen).

Parameter(s):

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

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:

3382 data points

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