Dataset: ANT-VIII/3 - DUX data

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Metadata of dataset ISO 19115/19139, FGDC, PANGAEA
CruiseANT-VIII/3
Navigation system Polarstern - Transit GPS, VENUS - INDAS
Horizontal reference system (EPSG) WGS84 geographic (4326)
Sonar system Hydrosweep DS1
Sonar type multibeam
Depth definition true depths
Depth datum (EPSG) MeanSeaLevel depth (5715)
File format Raw Hydrosweep DUX format
File listing6 files, as XML file
Tracklength [km] 8455
Generalised track ¹ KML file
Gross coverage [km²] (unedited - no warranty) 49494
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 ANT-VIII/3. Data recording was executed on transit from Cape Town to Punta Arenas and was supervised by three hydrographers. Data are unprocessed and may contain outliers and blunders. Therefore the data should not directly be used for grid calculations and charting projects but need to be edited furthermore. The dataset consists of 6 files in ATLAS ascii multibeam format including 'record control words' (*.dux) which are compressed with GZIP to size of 43.1 MB. Atlas DUX data files can be processed using the open source software package MB-System (http://www.ldeo.columbia.edu/res/pi/MB-System/). Values of depths and lateral distances are averaged with neighbouring beams.
Sonar system operators Fred Niederjasper, Heinrich Hinze, Iris Munsch
(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.