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Data Publisher for Earth & Environmental Science

Bohrmann, Gerhard; Shipboard scientific party ANT-XXIX/4 (2014): Seabed photographs taken along OFOS profile PS81/269-1 during POLARSTERN cruise ANT-XXIX/4 [dataset]. © AWI/MARUM, University of Bremen, PANGAEA, https://doi.org/10.1594/PANGAEA.835367

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Coverage:
Median Latitude: -57.470114 * Median Longitude: -24.905731 * South-bound Latitude: -57.470877 * West-bound Longitude: -24.906392 * North-bound Latitude: -57.469800 * East-bound Longitude: -24.903981
Date/Time Start: 2013-04-02T13:24:08 * Date/Time End: 2013-04-02T14:59:26
Minimum DEPTH, water: 3686.3 m * Maximum DEPTH, water: 3724.6 m
Event(s):
PS81/269-1 (OFOS-3) * Latitude Start: -57.469330 * Longitude Start: -24.889330 * Latitude End: -57.469330 * Longitude End: -24.889330 * Date/Time Start: 2013-04-01T21:22:00 * Date/Time End: 2013-04-01T21:23:00 * Elevation Start: -3716.0 m * Elevation End: -3715.1 m * Location: South Atlantic Ocean * Campaign: ANT-XXIX/4 (PS81) * Basis: Polarstern * Method/Device: Ocean Floor Observation System (OFOS)
Comment:
The Ocean Floor Observation System (OFOS), a towed underwater system equipped with a high-resolution digital camera (ISITEC, CANON EOS 1Ds Mark III), was used to visually inspect the sea floor at an altitude of about 1.5-2 m relative to the seabed in areas where flares were detected. In addition to the provided live feed, the camera was programmed to take high-resolution (21 megapixels) photographs of the sea floor every 30 s. Underwater-navigation was achieved using the shipboard IXSEA Posidonia ultra short baseline system, with an accuracy of 5-10 m, and these data were used to establish the OFOS tracks and the positions of each photograph taken.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeGeocode
2LATITUDELatitudeGeocode
3LONGITUDELongitudeGeocode
4UTM Easting, Universal Transverse MercatorUTM eastmBohrmann, Gerhard
5UTM Northing, Universal Transverse MercatorUTM northmBohrmann, Gerhard
6UTM Zone, Universal Transverse MercatorUTM ZoneBohrmann, Gerhard
7DEPTH, waterDepth watermGeocode
8HeadingHeaddegBohrmann, Gerhard
9File sizeFile sizekByteBohrmann, Gerhard
10Uniform resource locator/link to imageURL imageBohrmann, Gerhard
Size:
380 data points

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