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  • 551.46  (2)
  • Geschichte 1997-1999  (2)
  • 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  (1)
Keywords
Language
  • 1
    Book
    Book
    Kiel : Inst. für Meereskunde [u.a.]
    Keywords: Statistik ; Atlantischer Ozean Süd ; Agulhasstrom ; Meeresströmung ; Meerwasser ; Austausch ; Geschichte 1997-1999
    Type of Medium: Book
    Pages: 194 S , zahlr. graph. Darst., Kt
    Series Statement: KAPEX RAFOS Float Data Report : 1997 - 1999 pt. A
    Language: English
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    Kiel : Inst. für Meereskunde
    Keywords: Statistik ; Atlantischer Ozean Süd ; Agulhasstrom ; Meeresströmung ; Meerwasser ; Austausch ; Geschichte 1997-1999
    Type of Medium: Online Resource
    Pages: Online-Ressource (210 Seiten, 26 MB) , Diagramme, Karten
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 318
    Language: English
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2024-04-30
    Description: Time series data of physical oceanography (seawater conductivity, temperature, pressure, salinity), ocean current velocities, hydroacoustics and multi-frequency acoustic backscatter were obtained from mooring F5-18 in the Fram Strait in September 2018 - July 2020 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 MARIA S. MERIAN expedition MSM76 and recovered during MSM93. The attached archive contains raw data files of three Seabird SBE37 microcats (nominal depths: 46m, 247m, 731m; sampling interval 20 min), one RDI 600kHz ADCP (nominal depth: 34m; sampling interval 30min), one RDI Longranger ADCP (nominal depth: 403m; sampling interval 1h) and one AADI RCM11 current meter (nominal depth: 730m; sampling interval 2h). The 600kHz ADCP wasn't aligned correctly in the water column due to issues with the attached flotations. Therefore, the data is likely not usable. The mooring also included one ASL Acoustic Zooplankton Fish Profiler (nominal depth: 135m; data archived elsewhere) and one Develogic Sonovault (nominal depth: 790m; data also archived elsewhere). Auxiliary information such as sensor calibration sheets, mooring diagrams and schedule files are also provided, if applicable.
    Keywords: 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
    Type: Dataset
    Format: application/zip, 1.2 GBytes
    Location Call Number Limitation Availability
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  • 4
    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
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  • 5
    Publication Date: 2021-09-24
    Description: Ocean bottom pressure (OBP) variability serves as a proxy of ocean mass variability, the knowledge of which is needed in geophysical applications. The question of how well it can be modeled by the present general ocean circulation models on time scales in excess of 1 day is addressed here by comparing the simulated OBP variability with the observed one. To this end, a new multiyear data set is used, obtained with an array of bottom pressure gauges deployed deeply along a transect across the Southern Ocean. We present a brief description of OBP data and show large-scale correlations over several thousand kilometers at all time scales using daily and monthly averaged data. Annual and semiannual cycles are weak. Close to the Agulhas Retroflection, signals of up to 30 cm equivalent water height are detected. Further south, signals are mostly intermittent and noisy. It is shown that the models simulate consistent patterns of bottom pressure variability on monthly and longer scales except for areas with high mesoscale eddy activity, where high resolution is needed to capture the variability due to eddies. Furthermore, despite good agreement in the amplitude of variability, the in situ and simulated OBP show only modest correlation.
    Keywords: 551.46 ; in situ ocean bottom pressure ; pressure inverted echo sounder PIES ; modeling OBP variability ; daily and monthly scales ; atmospheric loading
    Language: English
    Type: map
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