Ferdelman, Timothy G (2025): Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV SONNE during cruise SO245 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.980702
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Published: 2025-05-13 • DOI registered: 2025-06-11
Abstract:
Multibeam bathymetry raw data using the ship's own Kongsberg EM 122 multibeam echosounder was almost continuously recorded during RV SONNE cruise SO245. Data was recorded on 33 days between 2015-12-23 and 2016-01-26. This dataset contains a transit survey in the South Pacific Ocean (during transit also crossing the flank of the Leont'ev Seamount). The approximate average depth of the entire dataset is around 4400m. 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. Ancillary sound velocity profiles (SVP) files from the cruise are archived at the BSH, thus SVP files are added to this dataset. Data analysis of the multibeam raw data revealed that SVP has been changed during the survey. 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 since the gridded hillshade data showed relatively few obstacles. 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).
Related to:
Ferdelman, Timothy G (2016): RV SONNE SO245 Cruise Report / Fahrtbericht, Antofagasta, Chile: 17. December 2015, Wellington, New Zealand: 28. January 2016, SO245 - UltraPac: Process oriented biogeochemical, microbiological and ecological investigations of the ultraoligotrophic South Pacific Gyre. Max-Planck-Institut für marine Mikrobiologie, Bremen, 104 pp, https://doi.org/10.2312/cr_so245
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: -30.861379 * Median Longitude: -122.433585 * South-bound Latitude: -40.532025 * West-bound Longitude: -177.902880 * North-bound Latitude: -23.450060 * East-bound Longitude: -72.124593
Date/Time Start: 2015-12-23T12:19:56 * Date/Time End: 2016-01-25T23:55:07
Minimum ELEVATION: -5692.0273 m a.s.l. * Maximum ELEVATION: -1251.1486 m a.s.l.
Event(s):
SO245_0_Underway-1 * Latitude Start: -23.610000 * Longitude Start: -72.124000 * Latitude End: -40.576000 * Longitude End: -178.130000 * Date/Time Start: 2015-12-23T12:19:56 * Date/Time End: 2016-01-26T00:50:23 * Campaign: SO245 (UltraPac, GEOTRACES) * Basis: Sonne_2 * Method/Device: EM122 multibeam echosounder (EM122) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 122 multibeam echosounder during cruise SO245
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):
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:
12548 data points
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