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  • 551  (1)
  • ADCP; Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); Carbon cycle; CTD; Event label; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; HG-IV-FEVI-42; HG-IV-FEVI-42,FEVI-42; HG-IV-FEVI-42, FEVI-42; Long-term Investigation at AWI-Hausgarten off Svalbard; MOOR; Mooring; North Greenland Sea; oceanographic moorings; oceanographic time series; particle export; Physical Oceanography @ AWI; Polarstern; PS126; PS126_3-23; PS126_3-23, PS131_28-1; PS131; PS131_28-1  (1)
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  • 1
    facet.materialart.
    Unknown
    Raw physical oceanography and ocean current velocity data from mooring HG-IV-FEVI-42 in the Fram Strait, June 2021 – July 2022 (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-30
    Description: Time-series data of physical oceanography, ocean current velocities and carbon/particle export were obtained from mooring HG-IV-FEVI-42 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 five Seabird SBE37 MicroCATs (nominal depths: 75m, 248m, 400m, 1200m, 2530m; sampling interval 1h), four Seabird SBE56 temperature loggers (nominal depths: 100m, 150m, 200m, 325m; sampling interval 60s), one Nortek Aquadopp current meter (nominal depth: 750m; sampling interval 20 min), one RDI Longranger ADCP (nominal depth: 404m; sampling interval 1h), three AADI Seaguard current meter (nominal depths: 198m, 1235m, 2348m; sampling interval 1h) and one AADI RCM11 current meter (nominal depth: 2524m; sampling interval 1h). The mooring also included three sediment traps (nominal depths: 191m, 1228m, 2341m; data archived elsewhere) and four PE samplers (nominal depths: 198m, 415m, 1178m, 2532m; data archived elsewhere). Auxiliary information such as sensor calibration sheets, mooring diagrams, and schedule files are also provided, if applicable.
    Keywords: ADCP; Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); Carbon cycle; CTD; Event label; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; HG-IV-FEVI-42; HG-IV-FEVI-42,FEVI-42; HG-IV-FEVI-42, FEVI-42; Long-term Investigation at AWI-Hausgarten off Svalbard; MOOR; Mooring; North Greenland Sea; oceanographic moorings; oceanographic time series; particle export; Physical Oceanography @ AWI; Polarstern; PS126; PS126_3-23; PS126_3-23, PS131_28-1; PS131; PS131_28-1
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Natural variability or anthropogenically-induced variation? Insights from 15 years of multidisciplinary observations at the arctic marine LTER site HAUSGARTEN (2018)
    Details
    Publication Date: 2021-03-29
    Description: Time-series studies of arctic marine ecosystems are rare. This is not surprising since polar regions arelargely only accessible by means of expensive modern infrastructure and instrumentation. In 1999, theAlfred Wegener Institute, Helmholtz-Centre for Polar and Marine Research (AWI) established the LTER(Long-Term Ecological Research) observatory HAUSGARTEN crossing the Fram Strait at about 79◦N.Multidisciplinary investigations covering all parts of the open-ocean ecosystem are carried out at a totalof 21 permanent sampling sites in water depths ranging between 250 and 5500 m. From the outset,repeated sampling in the water column and at the deep seafloor during regular expeditions in summermonths was complemented by continuous year-round sampling and sensing using autonomous instru-ments in anchored devices (i.e., moorings and free-falling systems). The central HAUSGARTEN stationat 2500 m water depth in the eastern Fram Strait serves as an experimental area for unique biologicalin situ experiments at the seafloor, simulating various scenarios in changing environmental settings.Long-term ecological research at the HAUSGARTEN observatory revealed a number of interesting tem-poral trends in numerous biological variables from the pelagic system to the deep seafloor. Contrary tocommon intuition, the entire ecosystem responded exceptionally fast to environmental changes in theupper water column. Major variations were associated with a Warm-Water-Anomaly evident in sur-face waters in eastern parts of the Fram Strait between 2005 and 2008. However, even after 15 years ofintense time-series work at HAUSGARTEN, we cannot yet predict with complete certainty whether thesetrends indicate lasting alterations due to anthropologically-induced global environmental changes of thesystem, or whether they reflect natural variability on multiyear time-scales, for example, in relation todecadal oscillatory atmospheric processes.
    Keywords: HAUSGARTEN; Arctic Ocean; Deep sea; Natural variability; Anthropogenic impact ; 551
    Language: English
    Type: article , publishedVersion
    Location Call Number Limitation Availability
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    CITATION GEO-LEO
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