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  • 1
    Series available for loan
    Series available for loan
    R/V POSEIDON cruise report POS498 : recovery of observatories at Athina Mud Volcano ; Izmir (Turkey) - Catania (Italy), 18. April 2016 - 1 May 2016 (2016)
    Bremen : MARUM - Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen
    Details Availability
    Call number: ZSP-166-309
    Type of Medium: Series available for loan
    Pages: 63 Seiten , Illustrationen
    Series Statement: Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen No. 309
    URL: http://nbn-resolving.de/urn:nbn:de:gbv:46-00105296-16
    Classification:
    Oceanology
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
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    Multibeam bathymetry processed data (Kongsberg EM710 working area dataset) of RV HEINCKE during cruise HE525 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Swath sonar bathymetry data used for that dataset was recorded during RV Heincke during cruise He525 using the onboard Kongsberg EM 710 multibeam echosounder. The cruise took place between 2019-03-05 and 2019-03-08 in the German North Sea. Data were recorded on 3 days between 2019-03-05 and 2019-03-07. The approximate average depth of the entire dataset is around 20 m. To enhance MBES data accuracy, one sound velocity profile casts were conducted in the vicinity of the working area prior to the survey using sound velocity profiler MIDAS SVP 3000. After processing, these data were directly imported into the MBES Acquisition software Kongsberg SIS Seafloor Information System. Raw data were converted to MB-System format. Data were automaticallay and manually edited for false measurements. No further artificial sound velocity profiles were used during further processing. The data were corrected for tidal changes using data provided by the OSU Tidal Prediction Software OTPS that is retrievable through MB-System. The vertical datum of the data is now matched to mean sea level (MSL). Raster were calculated and stored in as GRD-files (Float-32, netCDF, EPSG 4326).
    Keywords: Area; Binary Object; Binary Object (File Size); Binary Object (Media Type); BoulderDetection; Boulder Detection; Diffraction imaging; Elevation, maximum; Elevation, minimum; File content; Glacial deposits; HE525; HE525_0_underway-9; Heincke; Horizontal datum; Latitude, northbound; Latitude, southbound; Longitude, eastbound; Longitude, westbound; multi beam echo sounder; Number of depth soundings; Raster cell size; Site Investigation; Sound Velocity; Swath-mapping system Simrad EM710 (Kongsberg Maritime AS); Vertical datum
    Type: Dataset
    Format: text/tab-separated-values, 132 data points
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    DATA PANGAEA
  • 3
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    Multibeam bathymetry raw data (Kongsberg EM710 entire dataset) of RV HEINCKE during cruise HE525 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Multibeam bathymetry raw data using the ship's own Kongsberg EM 710 multibeam echosounder was not continuously recorded during RV Heincke cruise He525. Data were recorded on 3 days between 2019-03-05 and 2019-03-07 in the German North Sea and data acquisition was continuously monitored during the survey. The survey was targeted to cover occurences of boulders in the North of Helgoland. Before data acquisition, sound velocity measurements using a sound velocity profil (SVP) probe were applied on the data for data calibration and are part of this dataset publication (He525_SVP_20190305.txt). Data are unprocessed and therefore may contain incorrect depth measurements without further processing. Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2017).
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); BoulderDetection; Boulder Detection; Data file recording distance; Data file recording duration; DATE/TIME; Diffraction imaging; ELEVATION; Event label; File content; Glacial deposits; HE525; HE525_0_underway-9; HE525_1-1; Heincke; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; multi beam echo sounder; North Sea; Number of pings; Ship speed; Site Investigation; Sound Velocity; Sound Velocity Profiler, VALEPORT MIDAS SVP; Start of data file, depth; Start of data file, heading; Start of data file recording, date/time; Start of data file recording, latitude; Start of data file recording, longitude; Stop of data file, depth; Stop of data file, heading; Stop of data file recording, date/time; Stop of data file recording, latitude; Stop of data file recording, longitude; Swath-mapping system Simrad EM710 (Kongsberg Maritime AS)
    Type: Dataset
    Format: text/tab-separated-values, 9628 data points
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  • 4
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    Multichannel reflection seismic processed data of RV HEINCKE during cruise HE525 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Ultra high resolution multi channel seismic data has been collected during the expedition He525 with R/V Heincke between 2019-03-05 and 2019-03-08 in the German North Sea to conduct a feasibility study on boulder detection in the shallow sub-seafloor with beamforming on ultra-high resolution seismic data. The campaign took place in the north of Helgoland where boulders on the seafloor have been identified. A digital solid-state streamer system (HTI) in a planar array set-up with 48 channels in a 8x3 m tow frame as well as a ultra high resolution seismic source (Applied Acoustics Dura-Spark 400 with a CSP-N 2400 Negative Discharge, 1750 J) were employed to acquire the profile GeoB19-112. The acquisition set-up is optimized for diffraction imaging but conventional seismic reflection imaging quality is limited. The data archived has been processed for diffraction imaging and thus boulder detection in a small area of interest (60x60 m). The archived Kingdom Porject required SQL 2012 (forward compatible, may require project updates).
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); BoulderDetection; Boulder Detection; Diffraction imaging; File content; GeoB19-112; Glacial deposits; HE525; Heincke; MCSEIS; Multichannel seismics; seismic beamforming; seismic localization; Site Investigation; Ultra high resolution seismics
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
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    DATA PANGAEA
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