Dataset: MSM12/2 - Simrad EM120 Data | HOME Imprint |
Archive | unpublished |
Dataset citation | unpublished |
Metadata of dataset | ISO 19115/19139, FGDC |
Cruise | MSM12/2 |
Navigation system | Merian - Seapath 200 |
Horizontal reference system (EPSG) | WGS84 geographic (4326) |
Sonar system | Simrad EM120 |
Sonar type | multibeam |
Depth definition | true depths |
Depth datum (EPSG) | MeanSeaLevel depth (5715) |
File format | Simrad multibeam processing format |
File listing | 900 files, as XML file |
Tracklength [km] | 4867 |
Generalised track ¹ | KML file |
Gross coverage [km²] (unedited - no warranty) | 55167 |
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 onboard R/V MARIA S. MERIAN bathymetric swath system comprises of followingelements: Multibeam Echosounder: Kongsberg Simrad EM-120 12 kHz Beamsteering sound velocity probe: AML SV Probe (not functional) Motion compensation: Kongsberg Seatex SeaPath 200 Heading/gyro sensor: Kongsberg Seatex SeaPath 200 Positioning: Primary antenna of Kongsberg Seatex SeaPath 200 Sound velocity profiles were provided by the CTD casts carried out by the participating oceanographer. During this cruise the swath coverage sector was reduced to 60 degrees on either side during normal sea conditions and to 50 degrees on either side in sea states higher than 4. The beam spacing is normally equidistant with equiangular available (not used on this cruise). |
Sonar system operators | J. Højdal |
(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.