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GTS Bulletin: ISND40 UMRR - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND40 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 0100, 0200, 0400, 0500, ... UTC) A2 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NilReason)

GTS Bulletin: ISND79 AMDW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND79 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 01, 02, 04, 05, ... UTC) A2 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NATIONAL AUTOMATIC SYNOP)

GTS Bulletin: SNVX81 EDZW - Surface data (details are described in the abstract)

The SNVX81 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SN): Non-standard synoptic hour (Remarks from Volume-C: SHIP)

GTS Bulletin: ISND04 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND04 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 0100, 0200, 0400, 0500, ... UTC) A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10022;Leck;10028;Sankt Peter-Ording;10042;Schönhagen (Ostseebad);10093;Putbus;10097;Greifswalder Oie;10129;Bremerhaven;10130;Elpersbüttel;10139;Bremervörde;10142;Itzehoe;10146;Quickborn;10150;Dörnick;10152;Pelzerhaken;10156;Lübeck-Blankensee;) (Remarks from Volume-C: SYNOP)

GTS Bulletin: ISND01 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 01, 02, 04, 05, ... UTC) A2 (D): 90°E - 0° northern hemisphere (The bulletin collects reports from stations: 10004;UFS TW Ems;10015;Helgoland;10020;List auf Sylt;10035;Schleswig;10055;Fehmarn;10147;Hamburg-Fuhlsbüttel;10162;Schwerin;10184;Greifswald;10200;Emden;10224;Bremen;10270;Neuruppin;10338;Hannover;10361;Magdeburg;10393;Lindenberg;10400;Düsseldorf;10469;Leipzig/Halle;10488;Dresden-Klotzsche;10506;Nürburg-Barweiler;10548;Meiningen;10637;Frankfurt/Main;10685;Hof;10738;Stuttgart-Echterdingen;10763;Nürnberg;10788;Straubing;10852;Augsburg;10946;Kempten;) (Remarks from Volume-C: SYNOP)

GTS Bulletin: ISID09 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISID09 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISI): Intermediate synoptic observations from fixed land stations A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10756;Feuchtwangen-Heilbronn;10761;Weißenburg;10765;Roth;10777;Gelbelsee;10782;Waldmünchen;10796;Zwiesel;10803;Freiburg;10818;Klippeneck;10827;Meßstetten;10840;10850;Harburg;10863;Weihenstephan-Dürnast;10865;München-Stadt;10872;Gottfrieding;10875;Mühldorf;10945;Leutkirch-Herlazhofen;10963;Garmisch-Partenkirchen;10970;Bichl;10982;Chieming;) (Remarks from Volume-C: SYNOP)

Multibeam bathymetry processed data (EM 1002 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM62/2

Swath sonar bathymetry data used for that dataset was recorded during RV MARIA S. MERIAN cruise MSM62/2 using Kongsberg EM1002 multibeam echosounder. The cruise took place between 23.03.2017 and 27.03.2017 in the Baltic Sea. The cruise aimed to investigate the impact of the Littorina transgression on the inflow of saline waters into the western Baltic and assessed the potential for future diminution of ventilation in the central and northern deeper basins due to isostatic uplift [CSR]. CI Citation: Paul Wintersteller (seafloor-imaging@marum.de) as responsible party for bathymetry raw data ingest and approval. During the MSM62/2 cruise, the moonpooled KONGSBERG EM1002 multibeam echosounder (MBES) was utilized to perform bathymetric mapping in shallow depths. The echosounder has a curved transducer in which 111 beams are formed for each ping while the seafloor is detected using amplitude and phase information for each beam sounding. For further information on the system, consult https://www.km.kongsberg.com/. Postprocessing and products were conducted by the Seafloor-Imaging & Mapping group of MARUM/FB5, responsible person Paul Wintersteller (seafloor-imaging@marum.de). The open source software MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, https://www.mbari.org/products/research-software/mb-system, 2017) was utilized for this purpose. A sound velocity correction profile was applied to the MSM62/2 data; there were no further corrections for roll, pitch and heave applied during postprocessing. A tide correction was applied, based on the Oregon State University (OSU) tidal prediction software (OTPS) that is retrievable through MB-System. CTD measurements during the cruise were sufficient to represent the changes in the sound velocity throughout the study area. Using Mbeditviz, artefacts were cleaned manually. NetCDF (GMT) grids of the edited data as well as statistics were created with mbgrid. The published bathymetric EM1002 grid of the cruise MSM62/2 has a resolution of 15 m. No total propagated uncertainty (TPU) has been calculated to gather vertical or horizontal accuracy. A higher resolution is, at least partly, achievable. The grid extended with _num represents a raster dataset with the statistical number of beams/depths taken into account to create the depth of the cell. The extended _sd -grid contains the standard deviation for each cell. The DTMs projections are given in Geographic coordinate system Lat/Lon; Geodetic Datum: WGS84.

Multibeam bathymetry processed data (Atlas Hydrosweep DS 3 echo sounder entire dataset) of RV POLARSTERN during cruise PS151, Atlantic Ocean

Multibeam data were collected during RV Polarstern cruise PS151 (2025-11-13 to 2025-12-12). Multibeam sonar system was Atlas Hydrographic Hydrosweep DS 3 multibeam echo sounder. Data are processed with Caris HIPS, including sound velocity correction with SV data from CTDs and World Ocean Atlas 23 (https://www.ncei.noaa.gov/archive/accession/NCEI-WOA23), tidal correction with TPXO9_atlas_v5 (https://www.tpxo.net), and manual cleaning. The soundings are combined in daily files, the format is XYZ ASCII (<Lon> <Lat> <Depth in meters, positive up, relative to mean sea level>). Additional grids have been computed with depth dependent cell size to visualize the data. These grids are not meant for scientific analysis or navigation, but for overview purposes only.

Multibeam bathymetry raw data (Atlas Hydrosweep DS 3 echo sounder entire dataset) of RV POLARSTERN during cruise PS151

Multibeam data were collected with RV Polarstern along the route of cruise PS151 and data acquisition was almost continuously monitored during the survey. Multibeam sonar system was Teledyne/Atlas Hydrosweep DS3. SVPs were retrieved from CTD data and synthetic profiles from World Ocean Atlas 23. SVPs were processed with HydrOffice SoundSpeedManager (https://www.hydroffice.org/soundspeed/main) and extended with World Ocean Atlas 23 (https://www.ncei.noaa.gov/archive/accession/NCEI-WOA23). SVP data were applied during acquisition. Multibeam data are unprocessed and may contain outliers and blunders and should not be used for grid calculations and charting projects without further editing. The raw multibeam sonar data in Teledyne Reson multibeam processing format (.s7k) were recorded with Teledyne PDS software. Raw data files can be processed using software packages like CARIS HIPS/SIPS. For updated vessel configuration files check further details.

GTS Bulletin: ISND41 UMRR - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND41 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 0100, 0200, 0400, 0500, ... UTC) A2 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NilReason)

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