Dataset: M139 - Simrad EM122 Data
Imprint
| HOME Imprint |
| Archive | DOI |
| Dataset citation | HTML, BibTeX, RIS |
| Metadata of dataset | ISO 19115/19139, FGDC, PANGAEA |
| Cruise | M139 |
| Navigation system | Merian - Seapath 320 |
| 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 | 887 files, as XML file |
| Tracklength [km] | 5063 |
| Generalised track ¹ | KML file |
| Gross coverage [km²] (unedited - no warranty) | 69740 |
| 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 | Although the dark ocean represents the largest environment on this planet, eu- and prokaryotic microbial life in the deep sea is still uncharted territory. This is in striking contrast to its potential importance regarding the global carbon flux. Sampling deep-sea microbes (protists and prokaryotes) from various deep-sea basins will allow for analysis of deep-sea microbial life and trophic interactions. Therefore M139 used a specific water sampler which enables the analysis of microbial parameters on non-decompressed samples. Though multibeam has been recorded during the cruise, it was not a major focus and the responsible party provided no acquisition information. |
| Sonar system operators | N/A |
| (MaNIDA) data level | 0 |
| Data quality / Lineage | |
| Point of contact | GEOMAR bathymetry data responsible party |
| Aggregation |
(¹): KML file is created online from database applying track generalization ±50 meter.