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  • ADCP; Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD; Event label; F4-20; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; MOOR; Mooring; North Greenland Sea; oceanographic moorings; oceanographic time series; Physical Oceanography @ AWI; Polarstern; PS126; PS126_14-1; PS126_14-1, PS131_2-1; PS131; PS131_2-1  (1)
  • ADCP; Arctic Ocean; AWI_PhyOce; AZFP; CTD; F5-18; fish; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Hausgarten; hydroacoustics; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MOOR; Mooring; MSM76; MSM76_213-1; MSM76_213-1,MSM93_5-1; MSM93; MSM93_5-1; North Atlantic; North Greenland Sea; oceanographic moorings; oceanographic time series; Physical Oceanography @ AWI; RCM; Sonovault; Zooplankton
  • Southern Ocean
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  • 1
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    Raw physical oceanography and ocean current velocity data from mooring F4-20 in the Fram Strait, June 2021 – July 2022 (2023)
    PANGAEA
    Details
    Publication Date: 2024-08-28
    Description: Time-series data of physical oceanography, ocean current velocities and ocean acoustics were obtained from mooring F4-20 in the Fram Strait from June 2021 to July 2022 as part of the Helmholtz infrastructure program Frontiers in Arctic Marine Monitoring (FRAM) and the long-term monitoring program at AWI HAUSGARTEN. The mooring was deployed during RV POLARSTERN expedition PS126 and recovered during PS131. The attached archive contains raw data files of seven Seabird SBE37 MicroCATs (nominal depths: 76m, 153m, 253m, 402m, 502m, 727m, 1204m; sampling interval 15m/1h), four Seabird SBE56 temperature loggers (nominal depths: 53m, 103m, 203m, 323m; sampling interval 60s), one RDI Workhorse 300kHz ADCP (nominal depth: 53m; sampling interval 60s), one RDI Longranger ADCP (nominal depth: 382m; sampling interval 1h) and two AADI RCM11 current meter (nominal depths: 726m, 1205m; sampling interval 1h). The mooring also included an ASL Acoustic Zooplankton Fish Profiler (nominal depth: 103m, data archived elsewhere) and a Develogic Sonovault (nominal depth: 805m, data archived elsewhere). Auxiliary information such as sensor calibration sheets, mooring diagrams, and schedule files are also provided, if applicable. The SBE37 at 253m had power issues and stopped recording after ~5 months.
    Keywords: ADCP; Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD; Event label; F4-20; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; MOOR; Mooring; North Greenland Sea; oceanographic moorings; oceanographic time series; Physical Oceanography @ AWI; Polarstern; PS126; PS126_14-1; PS126_14-1, PS131_2-1; PS131; PS131_2-1
    Type: dataset
    Format: text/tab-separated-values, 2 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Coherent Seasonal Acceleration of the Weddell Sea Boundary Current System Driven by Upstream Winds (2021)
    Details
    Publication Date: 2021-10-13
    Description: The Weddell Sea is of global importance in the formation of dense bottom waters associated with sea ice formation and ocean-ice sheet interaction occurring on the shelf areas. In this context, the Weddell Sea boundary current system (BCS) presents a major conduit for transporting relatively warm water to the Weddell Sea ice shelves and for exporting some modified form of Wedell Sea deep and bottom waters into the open ocean. This study investigates the downstream evolution of the structure and the seasonality of the BCS along the Weddell Sea continental slope, combining ocean data collected for the past two decades at three study locations. The interannual-mean geostrophic flow, which follows planetary potential vorticity contours, shifts from being surface intensified to bottom intensified along stream. The shift occurs due to the densification of water masses and the decreasing surface stress that occurs westward, toward the Antarctic Peninsula. A coherent along-slope seasonal acceleration of the barotropic flow exists, with maximum speed in austral autumn and minimum speed in austral summer. The barotropic flow significantly contributes to the seasonal variability in bottom velocity along the tip of the Antarctic Peninsula. Our analysis suggests that the winds on the eastern/northeastern side of the gyre determines the seasonal acceleration of the barotropic flow. In turn, they might control the export of Weddell Sea Bottom Water on seasonal time scales. The processes controlling the baroclinic seasonality of the flow need further investigation.
    Keywords: 551.46 ; Southern Ocean ; Weddell Sea ; Antarctic slope current ; surface stress ; flow strength ; teleconnection
    Language: English
    Type: map
    Location Call Number Limitation Availability
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    CITATION GEO-LEO
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