Dataset: M86/2 - Simrad EM122 Data

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Archive unpublished
Dataset citation unpublished
Metadata of dataset ISO 19115/19139, FGDC
CruiseM86/2
Navigation system Meteor C-Nav
Horizontal reference system (EPSG) WGS84 geographic (4326)
Sonar system Simrad EM122
Sonar type multibeam
Depth definition true depths
Depth datum (EPSG) MeanSeaLevel depth (5715)
File format Simrad multibeam processing format
File listing812 files, as XML file
Tracklength [km] 3476
Generalised track ¹ KML file
Gross coverage [km²] (unedited - no warranty) 15782
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 The main objective Meteor-cruise M86/2 was to investigate submarine hazards and their consequences in three selected areas off southern Italy (off Eastern Sicily, Messina Straits, Gioia Basin). Seismic were investigated and sediment sampling were taken during the cruise. The hull-mounted Kongsberg Simrad systems EM122 and EM710 were used for bathymetric mapping. The deep water system EM122 was operated continuously during all seismic surveys but also on transit routes in a 24 hour schedule. The shallow water systems EM 710 was recorded in areas with water depths shallower than 1000m. During the cruise, the swath width of the EM710 was adjusted manually to get the best compromise between coverage and data quality with changing water depth and sea state.
Sonar system operators A. Micallef, J. Schwab
(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.