Gausepohl, Florian; Hennke, Anne; Schoening, Timm; Köser, Kevin; Greinert, Jens (2019): Bathymetric grid from the DISCOL working area of SONNE cruise SO242/1 in the Peru-basin. PANGAEA, https://doi.org/10.1594/PANGAEA.905579, In supplement to: Gausepohl, F et al. (2020): Scars in the abyss: reconstructing sequence, location and temporal change of the 78 plough tracks of the 1989 DISCOL deep-sea disturbance experiment in the Peru Basin. Biogeosciences, 17(6), 1463-1493, https://doi.org/10.5194/bg-17-1463-2020
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The bathymetric raster (GeoTIFF; UTM 16S) from the DEA and the surrounding reference areas (38 x 38 m resolution) acquired by the Kongsberg EM122 MBES system onboard the German RV SONNE during cruise SO242/1 is available here.
Median Latitude: -7.051817 * Median Longitude: -88.333908 * South-bound Latitude: -7.118867 * West-bound Longitude: -88.335283 * North-bound Latitude: -6.984767 * East-bound Longitude: -88.332533
Date/Time Start: 2015-07-31T08:29:00 * Date/Time End: 2015-07-31T16:31:00
Minimum Elevation: -4275.6 m * Maximum Elevation: -4116.0 m
SO242/1_17-1 (SO242/1_17-1) * Latitude Start: -6.984767 * Longitude Start: -88.332533 * Latitude End: -7.118867 * Longitude End: -88.335283 * Date/Time Start: 2015-07-31T08:29:00 * Date/Time End: 2015-07-31T16:31:00 * Elevation Start: -4275.6 m * Elevation End: -4116.0 m * Campaign: SO242/1 (JPI-OCEANS) * Basis: Sonne_2 * Method/Device: Deep-Sea Multibeam Echosounder (EM120)
Settings of the EM122 for data acquisition: 12 kHz, 1° by 0.5° beam angle, 432 beams, equidistance, swath angle 130°, survey speed about 8 knots. The data were processed with QPS Fledermaus already on board the vessel. The raw files are available, see references.