Waniek, Joanna J (2022): Multibeam bathymetry raw data (EM 120 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM18/1 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.945594
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Abstract:
Multibeam bathymetry raw data using the ship's own Kongsberg (Simrad) EM 120 multibeam echosounder was not continuously recorded during RV MARIA S. MERIAN cruise MSM18/1. Data was recorded on 12 days between 2011-04-18 and 2011-05-01. This dataset contains a survey in the North Atlantic Ocean. The approximate average depth of the entire dataset is around 4700m.
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. Also data analysis of the multibeam raw data revealed that SVP has not 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. Whether data acquisition has been monitored and system settings adjusted during surveying is unknown.
Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2022).
Related to:
Waniek, Joanna J; Fischer, Gerhard; Fründt, Birte; Thiede, Carl; Körner, Hans-Michael; Körner, Gerhard; Schmidt, Tino; Yakovlev, Sergey; Iversen, Morten Hvitfeldt; Ruhland, Götz; Basse, Andreas; Thiele, Stefan; Grotheer, Hendrik; Preu, Benedikt; Eckhard, Tim; Bahlmann, Enno (2012): Particle dynamics in subtropical and tropical Northeast Atlantic - Cruise No. MSM18/1 April 14 - May 8, 2011 - Las Palmas (Spain) - Mindelo (Cape Verde). MARIA S. MERIAN-Berichte, DFG-Senatskommission für Ozeanographie, MSM18/1, 40 pp, https://doi.org/10.2312/cr_msm18_1
Project(s):
DAM Underway Research Data (DAM_Underway)
Coverage:
Median Latitude: 29.943456 * Median Longitude: -21.209120 * South-bound Latitude: 20.546810 * West-bound Longitude: -22.202811 * North-bound Latitude: 33.946993 * East-bound Longitude: -16.658223
Date/Time Start: 2011-04-18T08:14:50 * Date/Time End: 2011-05-01T12:27:22
Minimum ELEVATION: -5319.0800 m a.s.l. * Maximum ELEVATION: -770.0300 m a.s.l.
Event(s):
MSM18/1_0_Underway-1 * Latitude Start: 29.089500 * Longitude Start: -16.658000 * Latitude End: 20.585000 * Longitude End: -18.005000 * Date/Time Start: 2011-04-18T08:14:50 * Date/Time End: 2011-05-01T12:32:57 * Campaign: MSM18/1 * Basis: Maria S. Merian * Method/Device: Swath-mapping system Simrad EM-120 (Kongsberg Maritime AS) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg (Simrad) EM 120 multibeam echosounder during cruise MSM18/1
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 | Binary Object | Binary | ||||
| 2 | Binary Object (Media Type) | Binary (Type) | ||||
| 3 | Binary Object (File Size) | Binary (Size) | Bytes | |||
| 4 | Kongsberg datagram raw file name | Datagram rfn | ||||
| 5 | File content | Content | ||||
| 6 | Data file recording duration | Data record duration | min | |||
| 7 | Data file recording distance | Data record distance | m | |||
| 8 | Ship speed | Ship sp | kn | |||
| 9 | Number of pings | Pings | ||||
| 10 | Start of data file recording, date/time | File start date/time | ||||
| 11 | Start of data file recording, latitude | File start latitude | ||||
| 12 | Start of data file recording, longitude | File start longitude | ||||
| 13 | Start of data file, heading | File start heading | deg | |||
| 14 | Start of data file, depth | File start depth | m | |||
| 15 | Stop of data file recording, date/time | File stop date/time | ||||
| 16 | Stop of data file recording, latitude | File stop latitude | ||||
| 17 | Stop of data file recording, longitude | File stop longitude | ||||
| 18 | Stop of data file, heading | File stop heading | deg | |||
| 19 | Stop of data file, depth | File stop depth | m | |||
| 20 | DATE/TIME | Date/Time | Geocode – 'copy of Start of data file recording, date/time | |||
| 21 | LATITUDE | Latitude | Geocode – copy of 'Start of data file recording, latitude | |||
| 22 | LONGITUDE | Longitude | Geocode – copy of 'Start of data file recording, longitude | |||
| 23 | ELEVATION | Elevation | m a.s.l. | Geocode – copy of 'File start depth, change of sign | ||
| 24 | Comment | Comment |
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:
6503 data points
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