Dataset: MSM12/3 - Simrad EM120 Data
Imprint
| HOME Imprint |
| Archive | unpublished |
| Dataset citation | unpublished |
| Metadata of dataset | ISO 19115/19139, FGDC |
| Cruise | MSM12/3 |
| 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 | 322 files, as XML file |
| Tracklength [km] | 2798 |
| Generalised track ¹ | KML file |
| Gross coverage [km²] (unedited - no warranty) | 26400 |
| 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 | Most of the bathymetry at the locations of the moorings had been surveyed in 2007 (MSM05/1) and 2008 (MSM09/1) with the The EM120 Multibeam system of R/V MERIAN which enabled us to find suitable locations. The remaining gaps in the bathymetry maps were filled on this cruise with assistance from the R/V MERIAN’s system operator. The EM120 system is a multibeam echosounder (with 191 beams) providing accurate bathymetric mapping up to depths exceeding 11000 m. This system is composed of two transducer arrays fixed on the hull of the ship, which send successive frequency coded acoustic signals (11.25 to 12.6 kHz). In the early morning hours of four succeeding days the SEAPATH system occasionally failed to deliver position data for a few seconds. |
| 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.