Dataset: M75/3 - Simrad EM120 Data
Imprint
| HOME Imprint |
| Archive | unpublished |
| Dataset citation | unpublished |
| Metadata of dataset | ISO 19115/19139, FGDC |
| Cruise | M75/3 |
| Navigation system | Meteor C-Nav |
| 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 | 1209 files, as XML file |
| Tracklength [km] | 8816 |
| Generalised track ¹ | KML file |
| Gross coverage [km²] (unedited - no warranty) | 44980 |
| 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 primary goal of the cruise M75/3 was to investigate offshore the large river mouths in Mozambique and Madagascar were late Holocene and late Pleistocene sediments have been deposited in sufficient thickness to execute high resolution paleoclimate studies. With the shipboard PARASOUND echo-sounder system sediments should be surveyed to identify the most suitable locations for coring continuous and expanded sediment sections that provide the archive for marine and terrigenous paleoenvironmental indicators (proxies) for paleoclimatic studies. During Cruise M75/3 the hull-mounted Kongsberg Simrad systems EM120 and EM710 were used for bathymetric mapping. The deep water system EM120 was run continuously during all seismic surveys but also on transit routes in a 24 hour schedule. The shallow water systems EM710 was switched on in appropriate water depths. However, due to several system failures and some problems with the system restart, some data gaps exist. |
| Sonar system operators | T. Schwenk and watchkeepers |
| (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.