Dataset: SO173/4 - Simrad EM120 Data

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Archive unpublished
Dataset citation unpublished
Metadata of dataset ISO 19115/19139, FGDC
CruiseSO173-4
Navigation system Sonne - INS - GPS
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?
Tracklength [km] ?
Generalised track ¹ ?
Gross coverage [km²] (unedited - no warranty) ?
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 SO173-4 was dedicated to geochemical, sedimentological, biological, and oceanographic measurements and sampling as well as video sled and lander-based seafloor observations and measurements of the most of the newly discovered mounds on the Nicaragua and Northern Costa Rica margin. The EM120 was used continuously during SO173-4. During deep tow profiling dense line offset was used to reduce the opening angles of the beams in order to receive higher resolution images while still covering the complete area. At the beginning of the cruise, a water velocity profile was measured to a depth of 2000 m.
Sonar system operators Dr. Monika Breitzke
(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.