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  • 2020-2024  (6)
  • 2024  (3)
  • 2022  (3)
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  • 2020-2024  (6)
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  • 1
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    On the consolidation state of sediments from the accretionary prism offshore Vancouver Island, North Cascadia Margin (2022)
    Springer
    Details
    Publication Date: 2024-02-07
    Description: Sediment geotechnical properties are an important component of geohazard analyses and studies on submarine slope failures on continental margins. The northern Cascadia margin is a region of repeated subduction earthquakes and related geohazards including devastating tsunamis. Despite several drilling campaigns at this margin mostly for gas hydrate studies, sediment geotechnical properties are lacking to date. We therefore investigated a set of 20 half-round samples from four drill sites of Integrated Ocean Drilling Program (IODP) Expedition 311 along a margin-perpendicular transect. Samples were analysed for Atterberg properties (liquid limit, plasticity limit, plasticity index) and consolidation state (pre-consolidation stress, over-consolidation ratio, initial void ratio and compression index). Results of these parameters are in good agreement with similar studies at the southern Cascadia margin from Ocean Drilling Program (ODP) Leg 204 and are regarded robust, despite the long time-span between sample recovery in 2005 and our analyses. Individual results are interpreted at each of the drill sites and reflect the overall tectonic state of the location within the accretionary prism. An interplay of site-specific tectonic forcing, including thrust faulting, uplift, folding, and erosion appears to govern the depth-dependent consolidation state of the sediments.
    Type: Article , PeerReviewed
    Format: text
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    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 2
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    World Ocean Review: The Ocean – A Climate Champion? How to Boost Marine Carbon Dioxide Uptake (2024)
    Maribus
    Details
    Publication Date: 2024-03-19
    Description: What action should we take for the effective mitigation of climate change? Measures to avoid greenhouse gas emissions are surely the main priority – but the truth is that in the coming decades, we will also have to remove large quantities of carbon dioxide from the atmosphere and store it securely. Can – indeed, should – the ocean aid us in this task? The new World Ocean Review (WOR 8) explores this issue with reference to the oceans' role in the Earth's carbon cycle and looks at the benefits, risks and knowledge gaps around the main marine carbon dioxide removal techniques.
    Type: Book , NonPeerReviewed
    Format: text
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    OceanRep: Book
  • 3
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    Master tracks in different resolutions of HEINCKE cruise HE590, Bremerhaven - Bremerhaven, 2022-02-10 - 2022-02-16 (2022)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-04-20
    Description: Raw data acquired by position sensors on board RV Heincke during expedition HE590 were processed to receive a validated master track which can be used as reference of further expedition data. During HE590 the inertial navigation system IXSEA PHINS III and the GPS receivers Trimble Marine SPS461 and SAAB R5 SUPREME NAV were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report found at EPIC repository https://hdl.handle.net/10013/epic.2dda45ce-85d4-4c97-8511-a3d3cab604eb. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: Calculated; Course; CT; DATE/TIME; HE590; HE590-track; Heincke; LATITUDE; LONGITUDE; North Sea; Speed; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 1756 data points
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    DATA PANGAEA
  • 4
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    Master track of HEINCKE cruise HE590 in 1 sec resolution (zipped, 2.7 MB) (2022)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-04-20
    Description: Raw data acquired by position sensors on board RV Heincke during expedition HE590 were processed to receive a validated master track which can be used as reference of further expedition data. During HE590 the inertial navigation system IXSEA PHINS III and the GPS receivers Trimble Marine SPS461 and SAAB R5 SUPREME NAV were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report found at EPIC repository hdl:10013/epic.2dda45ce-85d4-4c97-8511-a3d3cab604eb. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: CT; HE590; HE590-track; Heincke; North Sea; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 2.7 MBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV MARIA S. MERIAN during cruise MSM119 (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-19
    Description: Raw multibeam bathymetry data were collected aboard RV MARIA S. MERIAN during cruise MSM119 using a Kongsberg EM 122 multibeam echosounder. The expedition took place during 08.07.2023 - 12.08.2023 from St. John's to St. John's (Canada) in the Northern Atlantic Ocean. Data were recorded outside EEZs. MSM119 further investigates sedimentary ponds and crustal ridges along the eastern flank of the southernmost tip of the Reykjanes Ridge, Mid-Atlantic Ridge. Sound velocity profiles (SVP) were applied on the data for calibration. Please see environmental data and the cruise report for details. The data are unprocessed and can therefore contain incorrect depth measurements (artifacts) if not further processed. Note that refraction errors may occur when no proper SVP is applied. Acquisition and provision of the data are part of the DAM Underway Project and are according to the FAIR principles.
    Keywords: Bathymetry; Binary Object; Binary Object (File Size); Binary Object (Media Type); Comment; DAM_Underway; DAM Underway Research Data; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; EM122; EM122 multibeam echosounder; Event label; Extracted from file; Extracted with MB-System; File content; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; Maria S. Merian; MSM119; MSM119_0_Underway-2; Multibeam; Multibeam Echosounder; Number of pings; RIFLOR_2; Ship speed; 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
    Type: Dataset
    Format: text/tab-separated-values, 10136 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Continuous thermosalinograph oceanography along RV MARIA S. MERIAN cruise track MSM119 (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-29
    Description: Underway temperature and salinity data was collected along the cruise track with two autonomous measurement systems. Usually, the systems are changed after 12 hours. While temperature is taken at the water inlet in about 6.5 m depth, salinity is estimated within the interior measurement container from conductivity and interior temperature. Neither temperature nor salinity calibration was performed. For details to all processing steps see Data Processing Report.
    Keywords: Calculated from internal temperature and conductivity; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; Maria S. Merian; Measurement container; MSM119; MSM119_0_Underway-6; Quality flag, salinity; Quality flag, water temperature; RIFLOR_2; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph, Sea-Bird, SBE 45; TSG
    Type: Dataset
    Format: text/tab-separated-values, 329578 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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