Dataset: M84/4 - Simrad EM122 Data | HOME Imprint |
Archive | DOI |
Dataset citation | HTML, BibTeX, RIS |
Metadata of dataset | ISO 19115/19139, FGDC, PANGAEA |
Cruise | M84/4 |
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 listing | 2451 files, as XML file |
Tracklength [km] | 3396 |
Generalised track ¹ | KML file |
Gross coverage [km²] (unedited - no warranty) | 6087 |
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 | During RV METEOR Cruise M84-4 the hull-mounted echosounder systems Kongsberg Simrad EM 122 was used for bathymetric mapping in middle and deep water depths. The systems worked reliable during the whole cruise. The system has problems with rough weather conditions: The outer beams of EM122 get wobbling in depth deeper than2000 m. Besides the depth values the EM122 provides also backscatter information and pseudo-sidescan images. |
Sonar system operators | (none) |
(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.