Dataset: HE449 - Simrad EM710 Data
Imprint
| HOME Imprint |
| Archive | DOI |
| Dataset citation | HTML, BibTeX, RIS |
| Metadata of dataset | ISO 19115/19139, FGDC, PANGAEA |
| Cruise | HE449 |
| Navigation system | Heincke - GPS - PHINS |
| Horizontal reference system (EPSG) | WGS84 geographic (4326) |
| Sonar system | Simrad EM710 |
| Sonar type | multibeam |
| Depth definition | true depths |
| Depth datum (EPSG) | MeanSeaLevel depth (5715) |
| File format | Simrad multibeam processing format |
| File listing | 2433 files, as XML file |
| Tracklength [km] | 3964 |
| Generalised track ¹ | KML file |
| Gross coverage [km²] (unedited - no warranty) | 2647 |
| 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 intention of the cruise was to investigate methane production and removal processes in the water column and sediments off Svalbard. The spatial distribution of dissolved methane in the water column was studied and the activity of methane oxidizing microorganisms in the water column and surface sediments was measured. Since one of the main objectives during surveying time was to detect gas emissions, the ping mode of the EM710 was set manually from shallow to very shallow depths to have a high resolution image of the water column at all times. For the reduction of noise that influences the outer beams, the extent of the swath was mainly set to 60° by 60° degrees. Though the sea state was very good, interferences coming from the SES2000 and the ADCP that were recorded at the same time, are clearly visible in the bathymetry and especially in the water column data. |
| Sonar system operators | Nils Brueckner & Stefanie Gaide |
| (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.