Dataset: SO259/3 - Simrad EM122 data

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Metadata of dataset ISO 19115/19139, FGDC, PANGAEA
CruiseSO259/3
Navigation system Sonne 2 - Seapath 320+
Horizontal reference system (EPSG) WGS84 geographic (4326)
Sonar system EM 122
Sonar type multibeam
Depth definition true depths
Depth datum (EPSG) MeanSeaLevel depth (5715)
File format Simrad multibeam processing format
File listing570 files, as XML file
Tracklength [km] 13770
Generalised track ¹ KML file
Gross coverage [km²] (unedited - no warranty) 139325
Usage Edited swathfile data are processed for grid and map compilations
Maintenance Update frequency of dataset: notPlanned
Constraints Access: onDemand
Use: copyright
Status completed
Purpose
Abstract During the transit from atmospheric data of aerosol, trace-gases and clouds were collected with the purpose to provide needed reference data over oceans for global modeling and satellite remote sensing. Aerosol amount and size as well as trace-gas column amounts and their lower altitude concentrations were sampled with different handheld sun-photometers and MAX-DOAS instruments. Overall around 122,631 km2 were mapped along a distance of approximately 6,870 km. The measured water depths range from -6,042 m in the area of the fracture zone west of the Mid-Atlantic Ridge to -70 m on top of the Davis Bank. Altogether, data over 11 days 18 h 16 min (> 282 h) were recorded.
Sonar system operators K. Hoernle, R. Werner,
(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.