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  • 2005-2009  (24)
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  • 1
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    Swath sonar bathymetry during POLARSTERN cruise ANT-XXII/3 (PS67) with links to multibeam raw data files (2009)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Description: Multibeam data were measured during R/V Polarstern cruise ANT-XXII/3 along track lines of approximately 8000 NM total length during transits and partly during stationary work. Data were achieved on a transect along the Greenwich meridian, across the Weddell Sea from Kapp Norvegia to Joinville Island, across the Powell Basin, furthermore in the Drake Passage and west of Antarctic Peninsula. Short bathymetric surveys were carried out on the continental slope off Kapp Norvegia and Fimbulisen, and in the area of the Weddell Abyssal Plain. The multibeam sonar system Hydrosweep DS-2 was operated mainly in the HDBE softbeam mode with 240 depth values per swath and a receiving coverage of 100°. The refraction correction was achieved utilizing CTD profiles or the system's own cross fan calibration. The quality of data might be reduced during bad weather periods or adverse sea ice conditions. The dataset contains raw data that are not processed and thus may contain errors and blunders in depth and position.
    Keywords: ANT-XXII/3; AWI_Paleo; CT; DATE/TIME; LATITUDE; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS67/3-track; PS67 ANDEEP 3; Standard for Geospatial Metadata V.2; Swath-mapping system Atlas Hydrosweep DS-2; Underway cruise track measurements; Uniform resource locator/link to image; Uniform resource locator/link to metadata file; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 29028 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Profile of sediment echo sounding with links to ParaSound data files and swath sonar multibeam bathymetry during METEOR cruise M70/2b (2009)
    PANGAEA
    In:  Supplement to: Dupré, S; Buffet, G; Mascle, Jean; Foucher, Jean Paul; Gauger, Steffen; Boetius, Antje; Marfia, C; AsterX AUV Team; Quest ROV Team; BIONIL Scientific Party (2009): High-resolution mapping of large gas emitting mud volcanoes on the Egyptian continental margin (Nile Deep Sea Fan) by AUV surveys. Marine Geophysical Research, 29(4), 275-290, https://doi.org/10.1007/s11001-009-9063-3
    Details
    Publication Date: 2024-06-26
    Description: Two highly active mud volcanoes located in 990-1,265 m water depths were mapped on the northern Egyptian continental slope during the BIONIL expedition of R/V Meteor in October 2006. High-resolution swath bathymetry and backscatter imagery were acquired with an autonomous underwater vehicle (AUV)-mounted multibeam echosounder, operating at a frequency of 200 kHz. Data allowed for the construction of ~1 m pixel bathymetry and backscatter maps. The newly produced maps provide details of the seabed morphology and texture, and insights into the formation of the two mud volcanoes. They also contain key indicators on the distribution of seepage and its tectonic control. The acquisition of high-resolution seafloor bathymetry and acoustic imagery maps with an AUV-mounted multibeam echosounder fills the gap in spatial scale between conventional multibeam data collected from a surface vessel and in situ video observations made from a manned submersible or a remotely operating vehicle.
    Keywords: BIONIL; CT; M70/2a; M70/2a-track; M70/2b; M70/2b-track; MEDIFLUX; Mediterranean Sea; Meteor (1986); Processes at the Passive Continental Margins; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Expected Availability
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  • 3
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    Swath sonar bathymetry during POLARSTERN cruise ANT-XVIII/5a (PS58) with links to multibeam raw data files (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XVIII/5a; AWI_Paleo; CT; DATE/TIME; LATITUDE; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS58; PS58/5a-track; Swath-mapping system Atlas Hydrosweep DS-2; Underway cruise track measurements; Uniform resource locator/link to image; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 12232 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Swath sonar bathymetry during POLARSTERN cruise ANT-XXIII/4 (PS69) with links to multibeam raw data files (2008)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXIII/4; AWI_Paleo; CT; DATE/TIME; LATITUDE; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS69; PS69/4-track; Standard for Geospatial Metadata V.2; Swath-mapping system Atlas Hydrosweep DS-2; Underway cruise track measurements; Uniform resource locator/link to image; Uniform resource locator/link to metadata file; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 22830 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    AWI Bathymetric Chart of the Gakkel Ridge (AWI BCGR) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Description: The 1 : 1,500,000 AWI Bathymetric Chart of the Gakkel Ridge (AWI BCGR) has been developed from multibeam data measured during the Arctic Mid-Ocean Ridge Expedition in 2001 (AMORE 2001, ARK-XVII/2). This expedition was conducted to investigate the Gakkel Ridge in the Arctic Ocean and was carried out by the icebreaking research vessels RV Polarstern and USCGC Healy. Polarstern is equipped with the multibeam sonar system Hydrosweep DS-2, whereas Healy carries Seabeam 2112. During the expedition an area of 8890 km length and 18 - 46 km width, situated between 82°N/8°W and 87°N/75°E, was surveyed simultaneously by both vessels. Water depths ranged from 566 to 5673 meters. Dense sea ice cover derogated the sonar measurements and decreased data quality. Data errors were corrected in an extensive post-processing. The data of two different sonar systems had to be consolidated in order to derive a high resolution bathymetry of the Gakkel Ridge. Final result was a digital terrain model (DTM) with a grid spacing of 100 meters, which was utilized for generating the map series AWI Bathymetric Chart of the Gakkel Ridge, consisting of ten map sheets.
    Keywords: ARK-XVII/2; AWI_Paleo; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE
    Type: Dataset
    Format: application/zip, 10 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    AWI Bathymetric Chart of the Gakkel Ridge, Sheet 10 (AWI BCGR-10) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Keywords: ARK-XVII/2; AWI_Paleo; Description; File format; File size; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
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  • 7
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    AWI Bathymetric Chart of the Gakkel Ridge, Sheet 8 (AWI BCGR-8) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Keywords: ARK-XVII/2; AWI_Paleo; Description; File format; File size; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
    Location Call Number Expected Availability
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  • 8
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    AWI Bathymetric Chart of the Gakkel Ridge, Sheet 1 (AWI BCGR-1) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Keywords: ARK-XVII/2; AWI_Paleo; Description; File format; File size; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
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  • 9
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    AWI Bathymetric Chart of the Gakkel Ridge, Sheet 5 (AWI BCGR-5) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Keywords: ARK-XVII/2; AWI_Paleo; Description; File format; File size; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
    Location Call Number Expected Availability
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  • 10
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    AWI Bathymetric Chart of the Gakkel Ridge, Sheet 9 (AWI BCGR-9) (Scale 1:150,000) (2007)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-01
    Keywords: ARK-XVII/2; AWI_Paleo; Description; File format; File size; Gakkel_Ridge; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS59 AMORE; Uniform resource locator/link to raw data file
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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