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Kaul, Norbert; Lohrberg, Arne; Plötz, Aline (2025): Sediment echosounder raw data (Innomar SES-2000 working area dataset) of RV ALKOR during cruise AL591, Eckernförde Bay [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.975463

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Published: 2025-02-17 • DOI registered: 2025-03-18

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Abstract:
Around Mittelgrund, a sandbank of glacial origin in the western Baltic Sea, subbottom profiles were conducted with the German research vessel "Alkor" on the cruise AL591 in April 2023.
Subbottom profiles were collected using the sediment echosounder SES-2000 from Innomar. The system was operated in a single frequency mode of 6 kHz with a vessel speed below 5 knots. This dataset contains the raw data (*.raw), the envelope (*.ses), converted for Kingdom or similar (*.sgy), navigation (UTM_X, UTM_Y, shot point, date, time) (*.txt), the motion (*motion.txt) and header information (*Header.txt) for two profiles. The raw data are stored in UTM zone 32U.
- Profile east – west (20230411): A profile south of 'Mittelgrund' crosses the transition between muddy sediments with and without acoustic disturbance.
- Profile north - south (20230412): A transect at the western margin of 'Mittelgrund', with the transition from sandy to muddy sediments.
Keyword(s):
Baltic Sea; sediment echosounder
Project(s):
Wechselwirkungen zwischen Energieseekabeln und Gasen in Sedimenten der Nord- und Ostsee (WEGNordOst)
Coverage:
Median Latitude: 54.498783 * Median Longitude: 10.043527 * South-bound Latitude: 54.496416 * West-bound Longitude: 10.028136 * North-bound Latitude: 54.502771 * East-bound Longitude: 10.054057
Date/Time Start: 2023-04-11T18:46:21 * Date/Time End: 2023-04-12T17:18:34
Event(s):
AL591_0-1  * Latitude Start: 54.497162 * Longitude Start: 10.054057 * Latitude End: 54.495730 * Longitude End: 10.050210 * Date/Time Start: 2023-04-11T18:46:21 * Date/Time End: 2023-04-11T20:27:11 * Campaign: AL591 * Basis: Alkor (1990) * Method/Device: Subbottom profiler (SBB) * Comment: Profile east – west (20230411): A profile south of 'Mittelgrund' crosses the transition between muddy sediments with and without acoustic disturbance.
AL591_0-2  * Latitude Start: 54.502771 * Longitude Start: 10.028136 * Latitude End: 54.507043 * Longitude End: 10.027503 * Date/Time Start: 2023-04-12T17:18:34 * Date/Time End: 2023-04-12T18:08:59 * Campaign: AL591 * Basis: Alkor (1990) * Method/Device: Subbottom profiler (SBB) * Comment: Profile north - south (20230412): A transect at the western margin of 'Mittelgrund', with the transition from sandy to muddy sediments.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventKaul, Norbert
2 Binary ObjectBinaryKaul, Norbert
3 Binary Object (Media Type)Binary (Type)Kaul, Norbert
4 Binary Object (File Size)Binary (Size)BytesKaul, Norbert
5 Binary Object (MD5 Hash)Binary (Hash)Kaul, Norbert
6 Start of data file recording, date/timeFile start date/timeKaul, Norbert
7 Start of data file recording, latitudeFile start latitudeKaul, Norbert
8 Start of data file recording, longitudeFile start longitudeKaul, Norbert
9 Stop of data file recording, date/timeFile stop date/timeKaul, Norbert
10 Stop of data file recording, latitudeFile stop latitudeKaul, Norbert
11 Stop of data file recording, longitudeFile stop longitudeKaul, Norbert
12 DATE/TIMEDate/TimeKaul, NorbertGeocode
13 LATITUDELatitudeKaul, NorbertGeocode
14 LONGITUDELongitudeKaul, NorbertGeocode
15 File contentContentKaul, Norbert
16 CommentCommentKaul, Norbert
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:
162 data points

Data

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1 
Event		2 
Binary		3 
Binary (Type)		4 
Binary (Size) [Bytes]		5 
Binary (Hash)		6 
File start date/time		7 
File start latitude		8 
File start longitude		9 
File stop date/time		10 
File stop latitude		11 
File stop longitude		12 
Date/Time		13 
Latitude		14 
Longitude		15 
Content		16 
Comment
AL591_0-1 AL591_20230411_184621_Header.txttext/plain3.1 kBytesdc9f956eebb16e4de0ada5772c732abe2023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Header information (Innomar SES)GEOCODEs from start of data file recording
AL591_0-1AL591_20230411_184621.rawapplication/octet-stream512 MBytesea239d153bcd50832bd3fcbb50f4ace12023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Raw data fileGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_184621_RAW_LF_motion.txttext/plain2.7 MBytesb350588abb939cdf03efb1cd4b84a0472023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Motion data fileGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_184621_RAW_LF.sgyapplication/octet-stream246.9 MBytes24799faccfa33cc0775a89710d9e00ee2023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Converted raw data file for Kingdom or similarGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_184621_RAW_LF.txttext/plain3.5 MBytes48b6866f62db4514c8d333b48df8237c2023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Navigation file (UTM_X, UTM_Y, shot point, date, time)GEOCODEs from start of data file recording
AL591_0-1AL591_20230411_184621.sesapplication/octet-stream123.4 MBytes966b9feedde0aabc275b5a7ed5ac45532023-04-11T18:46:2154.49716210.0540572023-04-11T19:36:4654.49642110.0483772023-04-11T18:46:2154.49716210.054057Envelope data fileGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646_Header.txttext/plain3.1 kBytes6a9682625ed629090cf55dec0b4f5fd82023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Header information (Innomar SES)GEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646.rawapplication/octet-stream512 MBytes2be98bea7f97d19e97170b74585b38562023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Raw data fileGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646_RAW_LF_motion.txttext/plain2.7 MBytesf0f0328d662acf7691fddbfb99c128dc2023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Motion data fileGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646_RAW_LF.sgyapplication/octet-stream246.8 MBytes8e109fedf5ff4ae4896eb0927b98228b2023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Converted raw data file for Kingdom or similarGEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646_RAW_LF.txttext/plain3.5 MBytes24d149e9db06ca6def234e9c082097df2023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Navigation file (UTM_X, UTM_Y, shot point, date, time)GEOCODEs from start of data file recording
AL591_0-1AL591_20230411_193646.sesapplication/octet-stream123.4 MBytes5b7a947834e3fa7e2eb9e307ed7fd9712023-04-11T19:36:4654.49641610.0483872023-04-11T20:27:1154.49573010.0502102023-04-11T19:36:4654.49641610.048387Envelope data fileGEOCODEs from start of data file recording
AL591_0-2 AL591_20230412_171834_Header.txttext/plain3.1 kBytesb3e9cd5ffb3f2025c68b47e3bc3cb5f52023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Header information (Innomar SES)GEOCODEs from start of data file recording
AL591_0-2AL591_20230412_171834.rawapplication/octet-stream512 MBytescf1ec07db05752c1a5e231d94675d98e2023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Raw data fileGEOCODEs from start of data file recording
AL591_0-2AL591_20230412_171834_RAW_LF_motion.txttext/plain2.8 MBytes58a081b1daf927e712e083f3a14bf6dc2023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Motion data fileGEOCODEs from start of data file recording
AL591_0-2AL591_20230412_171834_RAW_LF.sgyapplication/octet-stream246.9 MBytesf3aaff884cc067137b1f79f81273b67d2023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Converted raw data file for Kingdom or similarGEOCODEs from start of data file recording
AL591_0-2AL591_20230412_171834_RAW_LF.txttext/plain3.5 MBytesdcfb6311dc5e7a51384e470d8974dbba2023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Navigation file (UTM_X, UTM_Y, shot point, date, time)GEOCODEs from start of data file recording
AL591_0-2AL591_20230412_171834.sesapplication/octet-stream123.4 MBytes5d8cc2a83054bb67005ddda00e3934e62023-04-12T17:18:3454.50277110.0281362023-04-12T18:08:5954.50704310.0275032023-04-12T17:18:3454.50277110.028136Envelope data fileGEOCODEs from start of data file recording