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Schenke, Hans Werner; Loske, Sven (2009): Swath sonar bathymetry during POLARSTERN cruise ANT-XV/4 (PS49) with links to multibeam raw data files. Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, PANGAEA,

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Multibeam data were collected without operator supervision on R/V Polarstern cruise ANT-XV/4 along track lines of about 7000 NM total length. Data were achieved during transits and stationary work in the western Weddell Sea, at the Weddell-Scotia Confluence, and on a transect along the Prime Meridian of about 1300 NM length, between 69°S and 47°S. The multibeam sonar system Hydrosweep DS-2 was operated using 59 beams and 90° aperture angle. The quality of data might be reduced during bad weather periods or adverse sea ice conditions. The dataset contains raw data that are not processed and thus may contain errors and blunders in depth and position.
Related to:
Fahrbach, Eberhard (1999): Die Expedition ANTARKTIS XV/4 des Forschungsschiffes Polarstern 1998 (The Expedition ANTARKTIS XV/4 of the Research Vessel Polarstern in 1998). Berichte zur Polarforschung = Reports on Polar Research, 314, 109 pp,
Median Latitude: -61.166527 * Median Longitude: -22.235823 * South-bound Latitude: -70.496970 * West-bound Longitude: -56.552280 * North-bound Latitude: -39.191500 * East-bound Longitude: 12.054660
Date/Time Start: 1998-04-01T00:10:00 * Date/Time End: 1998-05-21T11:50:00
PS49/4-track * Latitude Start: -53.144700 * Longitude Start: -70.909100 * Latitude End: -33.911865 * Longitude End: 18.434600 * Date/Time Start: 1998-03-25T12:00:00 * Date/Time End: 1998-05-23T12:00:00 * Campaign: ANT-XV/4 (PS49 06AQANTXV_4) * Basis: Polarstern * Device: Underway cruise track measurements (CT)
The raw multibeam sonar data in SURF format are compressed as TAR archive with GZIP. One dataset contains a measurement period not exceeding eight hours. SURF data files can be processed using the software packages CARIS HIPS/SIPS or with the open source software package MB-System ( The source code for an application programming interface (API) to read and write SURF data is released by the Hydrosweep manufacturer Atlas Hydrographic, Bremen, and published under the GNU GPL. Contact for data access.
#NameShort NameUnitPrincipal InvestigatorMethodComment
4Uniform resource locator/link to raw data fileURL rawSchenke, Hans WernerSwath-mapping system Atlas Hydrosweep DS-2ATLAS SURF format, hdl:10013/epic.38034
5Uniform resource locator/link to metadata fileURL metaSchenke, Hans WernerStandard for Geospatial Metadata V.2
6Uniform resource locator/link to imageURL imageSchenke, Hans Wernerpreview in png-format
21348 data points

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