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  • AWI_BioOce; Biological Oceanography @ AWI  (1)
  • Arctic Ocean; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD; current velocity; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; HG-EGC-6; Long-term Investigation at AWI-Hausgarten off Svalbard; molecular biology; MOOR; Mooring; North Greenland Sea; nutrient biogeochemistry; oceanographic moorings; oceanographic time series; particle export; Physical Oceanography @ AWI; Polarstern; PS121; PS121_31-3; PS121_31-3,PS126_21-4; PS126; PS126_21-4  (1)
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  • 1
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    Unknown
    PANGAEA
    In:  Supplement to: Nöthig, Eva-Maria; Bracher, Astrid; Engel, Anja; Metfies, Katja; Niehoff, Barbara; Peeken, Ilka; Bauerfeind, Eduard; Cherkasheva, Alexandra; Gäbler-Schwarz, Stefanie; Hardge, Kristin; Kilias, Estelle; Kraft, Angelina; Mebrahtom Kidane, Yohannes; Lalande, Catherine; Piontek, Judith; Thomisch, Karolin; Wurst, Mascha (2015): Summertime plankton ecology in Fram Strait—a compilation of long- and short-term observations. Polar Research, 34, 18 pp, https://doi.org/10.3402/polar.v34.23349
    Publication Date: 2023-06-21
    Description: Between Greenland and Spitsbergen, Fram Strait is a region where cold ice-covered Polar Water exits the Arctic Ocean with the East Greenland Current (EGC) and warm Atlantic Water enters the Arctic Ocean with the West Spitsbergen Current (WSC). In this compilation, we present two different data sets from plankton ecological observations in Fram Strait: (1) long-term measurements of satellite-derived (1998-2012) and in situ chlorophyll a (chl a) measurements (mainly summer cruises, 1991-2012) plus protist compositions (a station in WSC, eight summer cruises, 1998-2011); and (2) short-term measurements of a multidisciplinary approach that includes traditional plankton investigations, remote sensing, zooplankton, microbiological and molecular studies, and biogeochemical analyses carried out during two expeditions in June/July in the years 2010 and 2011. Both summer satellite-derived and in situ chl a concentrations showed slight trends towards higher values in the WSC since 1998 and 1991, respectively. In contrast, no trends were visible in the EGC. The protist composition in the WSC showed differences for the summer months: a dominance of diatoms was replaced by a dominance of Phaeocystis pouchetii and other small pico- and nanoplankton species. The observed differences in eastern Fram Strait were partially due to a warm anomaly in the WSC. Although changes associated with warmer water temperatures were observed, further long-term investigations are needed to distinguish between natural variability and climate change in Fram Strait. Results of two summer studies in 2010 and 2011 revealed the variability in plankton ecology in Fram Strait.
    Keywords: AWI_BioOce; Biological Oceanography @ AWI
    Type: Dataset
    Format: application/zip, 24 datasets
    Location Call Number Expected Availability
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  • 2
    Publication Date: 2024-04-30
    Description: Time-series data of physical & biological oceanography, ocean current velocities, nutrient biogeochemistry, molecular biology and carbon/particle export were obtained from mooring HG-EGC-6 in the Fram Strait in August 2019 - June 2021 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 PS121, and recovered during PS126. The attached archive contains raw data files of three Seabird SBE37 microcats (nominal depths: 67m, 236m, 453m; sampling interval 1h), three AADI RCM11 current meters (nominal depths: 74m, 243m, 456m; sampling interval 1h), one AADI Seaguard current meter (nominal depth: 981m, sampling interval 1h), one Wetlabs ECO PAR sensor (nominal depth: 67m; sampling interval 2h), one Wetlabs ECO Triplet fluorometer (nominal depth: 67m; sampling interval 2h), two Satlantic SUNA nitrate sensors (nominal depths: 67m, 236m; sampling interval 6h), two Sunburst SAMI-pCO2 sensors (nominal depths: 67m, 236m; sampling interval 2h) and two Sunburst SAMI-pH sensors (nominal depths: 67m, 236m; sampling interval 3h). The mooring also included two McLane RAS water samplers (nominal depths: 67m, 236m) and two sediment traps (nominal depths: 449m, 522m). Auxiliary information such as sensor calibration sheets, mooring diagrams and schedule files are also provided, if applicable.
    Keywords: Arctic Ocean; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD; current velocity; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 20-1_021; Hausgarten; HG-EGC-6; Long-term Investigation at AWI-Hausgarten off Svalbard; molecular biology; MOOR; Mooring; North Greenland Sea; nutrient biogeochemistry; oceanographic moorings; oceanographic time series; particle export; Physical Oceanography @ AWI; Polarstern; PS121; PS121_31-3; PS121_31-3,PS126_21-4; PS126; PS126_21-4
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
    Location Call Number Expected Availability
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