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Schneider von Deimling, Jens; Hoffmann, Jasper; Scholten, Jan Christoph; Held, Philipp (2020): Hydroacoustic data Eckernförde Bay, Germany aquired during ALKOR cruise AL447 and Elisabeth Mann Borgese EMB187, with links to files. PANGAEA, https://doi.org/10.1594/PANGAEA.912274

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Abstract:
This multibeam echo sounder (MBES) bathymetry data and backscatter data, as well as subbottom profiler data, was acquired in Eckernförde Bay, Germany.
The MBES data were acquired using an EM2040c system which was installed on R/V Alkor (Cruise AL447 - 2014). It operates with a 200-400 kHz transducer combined with a CodaOctupus F180 motion sensor. The survey was designed to provide high-resolution bathymetry with 0.5 x 0.5 m resolution. The bathymetry data were post-processed using sound velocity profiles acquired at regular intervals. Tidal corrections were applied using the tidal gauge in Eckernförde with reference to NHN, DHHN92.
The backscatter amplitude data were corrected for the variation with grazing angle. We ensured the highest possible resolution by using the raw backscatter time-series data for each footprint (snippets) and compensated for the angle of incidence using reference grids.
Subbottom profiler data were acquired with the R/V Alkor and R/V Elisabeth Mann Borgese in late October 2014 (cruise AL447), the beginning of July 2018 (cruise EMB187). The data were acquired using a parametric Innomar SES-2000 medium system creating secondary peak frequencies between 4 and 15 kHz.
Keyword(s):
Bathymetry
Supplement to:
Hoffmann, Jasper; Schneider von Deimling, Jens; Schröder, Jan F; Schmidt, Mark; Held, Philipp; Crutchley, Gareth J; Scholten, Jan Christoph; Gorman, Andrew R (2020): Complex Eyed Pockmarks and Submarine Groundwater Discharge Revealed by Acoustic Data and Sediment Cores in Eckernförde Bay, SW Baltic Sea. Geochemistry, Geophysics, Geosystems, 21(4), e2019GC008825, https://doi.org/10.1029/2019GC008825
Coverage:
Median Latitude: 54.497848 * Median Longitude: 10.024778 * South-bound Latitude: 54.490170 * West-bound Longitude: 10.010670 * North-bound Latitude: 54.503830 * East-bound Longitude: 10.033600
Date/Time Start: 2014-10-22T18:02:00 * Date/Time End: 2018-07-07T02:40:00
Minimum Elevation: -24.6 m * Maximum Elevation: -7.0 m
Event(s):
AL447_1341-1 * Latitude Start: 54.498830 * Longitude Start: 10.010670 * Latitude End: 54.503830 * Longitude End: 10.027830 * Date/Time Start: 2014-10-22T18:02:00 * Date/Time End: 2014-10-22T19:45:00 * Elevation Start: -24.6 m * Elevation End: -19.4 m * Campaign: AL447 * Basis: Alkor (1990) * Method/Device: Sub-bottom profiler, SES-2000, Innomar
AL447_1372-1 * Latitude Start: 54.501670 * Longitude Start: 10.023330 * Latitude End: 54.490170 * Longitude End: 10.024000 * Date/Time Start: 2014-10-25T18:59:00 * Date/Time End: 2014-10-25T20:08:00 * Elevation Start: -23.6 m * Elevation End: -23.4 m * Campaign: AL447 * Basis: Alkor (1990) * Method/Device: Multibeam (MB) * Comment: 0
EMB187_1-1 * Latitude Start: 54.497416 * Longitude Start: 10.033600 * Latitude End: 54.495170 * Longitude End: 10.029235 * Date/Time Start: 2018-07-06T21:45:00 * Date/Time End: 2018-07-07T02:40:00 * Elevation Start: -7.0 m * Elevation End: -24.0 m * Campaign: EMB187 * Basis: Elisabeth Mann Borgese * Method/Device: Sub-bottom profiler, SES-2000, Innomar
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHoffmann, Jasper
2File contentContentHoffmann, Jasper
3File nameFile nameHoffmann, Jasper
4File formatFile formatHoffmann, Jasper
5File sizeFile sizekByteHoffmann, Jasper
6Uniform resource locator/link to fileURL fileHoffmann, Jasper
Status:
Curation Level: Basic curation (CurationLevelB) * Processing Level: PANGAEA data processing level 4 (ProcLevel4)
Size:
25 data points

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