Dataset: SO148/2 - Atlas Hydrosweep DS Data

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Archive unpublished
Dataset citation unpublished
Metadata of dataset ISO 19115/19139, FGDC
CruiseSO148-2
Navigation system Sonne - INS - GPS
Horizontal reference system (EPSG) WGS84 geographic (4326)
Sonar system Hydrosweep DS
Sonar type multibeam
Depth definition true depths
Depth datum (EPSG) MeanSeaLevel depth (5715)
File format Raw Hydrosweep DUX format
File listing66 files, as XML file
Tracklength [km] 1024
Generalised track ¹ KML file
Gross coverage [km²] (unedited - no warranty) 2701
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
Abstract SO148 was dedicated to detailed analysis and measurements at vent sites with active fluid and bubble discharge. While SO148-2 addresses geophysical, biogeochemical, and hydrographic processes associated with fluid venting from the Cascadia continental margin, specifically the processes resulting from the methane hydrate dynamics at Hydrate Ridge. Multibeam swathmapping was almost continuously recorded during RV SONNE cruise S0148. Hydrate Ridge as the main target area was intensely measured during former cruises. Therefore, the measurements were focussed on gaps between the R1 structure and Hydrate Ridge.
Sonar system operators N/A
(MaNIDA) data level 0
Data quality / Lineage
Point of contact MARUM bathymetry data responsible party
Aggregation


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