Dataset: ARK-XXV/3 - SURF data

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Metadata of dataset ISO 19115/19139, FGDC, PANGAEA
CruiseARK-XXV/3
Navigation system Polarstern - MINS - PODAS
Horizontal reference system (EPSG) WGS84 geographic (4326)
Sonar system Hydrosweep DS2
Sonar type multibeam
Depth definition true depths
Depth datum (EPSG) MeanSeaLevel depth (5715)
File format SAM Electronics SURF format
File listing204 files, as XML file
Tracklength [km] 19269
Generalised track ¹ KML file
Gross coverage [km²] (unedited - no warranty) 47458
Usage Primary data are generally not depth-edited and should not directly be used for final product compilations.
Maintenance Update frequency of dataset: notPlanned
Constraints Access: onDemand
Use: copyright
Status completed
Purpose Multibeam data were collected to extend the global database of seafloor topography and to provide high resolution bathymetry for the expedition's scientific program.
Abstract Multibeam data were collected during R/V Polarstern cruise ARK-XXV/3 along track lines of about 10,400 NM total length along transits, survey profiles and during stationary work. Main working area was Greenland's part of Baffin Bay. The refraction correction was achieved utilizing CTD profiles or by the system's own cross fan calibration. 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. The 204 raw multibeam sonar files in SURF format are compressed as TAR archive with GZIP. One dataset contains a measurement period not exceeding eight hours.
Sonar system operators Tanja Dufek, Patricia Slabon, Ann-Kathrin Rohardt
(MaNIDA) data level 0
Data quality / Lineage
Point of contact AWI bathymetry data responsible party
Aggregation


 (¹): KML file is created online from database applying track generalization ±50 meter.