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  • Data  (9)
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  • 1
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    Physical oceanography at Drescher Inlet during POLARSTERN cruise ANT-XV/3 (2009)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-04-21
    Keywords: ANT-XV/3, PS48; Calculated; Conductivity; CTD, SEA-BIRD SBE 19; CTD/Rosette; CTD-RO; Density, sigma-theta (0); DEPTH, water; DRE1998; DRE1998_305d; DRE1998_306d; DRE1998_307d; DRE1998_309d; DRE1998_401d; DRE1998_500d; DRE1998_503d; DRE1998_600d; DRE1998_707d; DRE1998_708d; Drescher Camp; Event label; Marine Mammal Tracking; MMT; Pressure, water; Salinity; Southern Ocean - Atlantic Sector; Temperature, water; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 31674 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Water column nutrient and dissolved organic carbon concentrations, dissolved organic matter characteristics and bacterial abundance in three Baltic Sea estuaries (2018)
    PANGAEA
    In:  Supplement to: Asmala, Eero; Kaartokallio, Hermanni; Carstensen, Jacob; Thomas, David N (2016): Variation in riverine inputs affect dissolved organic matter characteristics throughout the estuarine gradient. Frontiers in Marine Science, 2, 125, https://doi.org/10.3389/fmars.2015.00125
    Details
    Publication Date: 2023-02-15
    Description: Terrestrial dissolved organic matter (DOM) undergoes significant changes during the estuarine transport from river mouths to the open sea. These include transformations and degradation by biological and chemical processes, but also the production of fresh organic matter. Since many of these processes occur simultaneously, properties of the DOM pool represent the net changes during the passage along the hydrological path. We examined changes in multiple DOM characteristics across three Finnish estuarine gradients during spring, summer and autumn: Dissolved organic carbon (DOC) concentration, coloured DOM absorbance and fluorescence, stable carbon isotope signal of DOC and molecular size distribution. Changes in these DOM characteristics with salinity were analysed in relation to residence time (i.e. freshwater transit time), since increased residence time is likely to enhance DOM degradation while stimulating autochthonous DOM production at the same time. Our results show that the investigated DOM characteristics are highly correlated, indicating common physico-chemical transformations along the salinity continuum. Residence time did not explain variations in the DOM characteristics any better than salinity. Due to large variations in DOM characteristics at the river end-member, conservative mixing models do not seem to be able to accurately describe the occurrence and extent of deviations in DOM properties in the estuaries we investigated.
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Water column nutrient and dissolved organic carbon concentrations, dissolved organic matter characteristics and bacterial abundance in Kyronjoki estuary (2018)
    PANGAEA
    Details
    Publication Date: 2023-02-15
    Keywords: Absorption coefficient, 230 nm; Absorption coefficient, 254 nm; Absorption coefficient, 275 nm; Absorption coefficient, 295 nm; Absorption coefficient, 300 nm; Absorption coefficient, 350 nm; Absorption coefficient, 355 nm; Absorption coefficient, 375 nm; Absorption coefficient, 400 nm; Absorption coefficient, 440 nm; Aluminium, dissolved; Ammonium; Automated analysis following alkaline persulfate oxidation; Bacteria; Carbon, organic, dissolved; DATE/TIME; Depth, description; Depth of Secchi Disk; Event label; Fluorescence, peak A; Fluorescence, peak C; Fluorescence, peak M; Fluorescence, peak T; Fluorescence index; High nucleic acid bacteria; ICP-OES; Iron, dissolved; Kyronjoki_00; Kyronjoki_01; Kyronjoki_02; Kyronjoki_03; Kyronjoki_04; Kyronjoki_XX; Lachat QuickChem 8000 flow injection autoanalyzer; LATITUDE; Leucine incorporation rate; LONGITUDE; Low nucleic acid bacteria; Manganese, dissolved; Manually after Grasshoff et al. (1983); Molecular mass; MULT; Multiple investigations; Nitrate; Nitrite; Nitrogen, inorganic, dissolved; Nitrogen, organic, dissolved; Nitrogen, total; Nitrogen, total dissolved; PDZ Europa ANCA-GSL elemental analyser; Ratio; Salinity; Sample ID; SEC analyser; Silicate; Specific ultraviolet absorbance normalized to DOC; Spectral slope, 275-295 nm; Spectral slope, 300-650 nm; Spectral slope, 350-400 nm; Spectrophotometer UV/VIS (PerkinElmer Lambda 650); Subtracting combined inorganic nitrogen from total dissolved nitrogen; Temperature, water; Thymidine incorporation rate; TOC analyser, MQ1000; Varian Cary Eclipse fluorometer (Agilent); δ13C, dissolved inorganic carbon; δ15N, total dissolved nitrogen
    Type: Dataset
    Format: text/tab-separated-values, 2185 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    (Table 1) Air and ice temperatures during sea- and land fast-ice sampling of the SIPEX and DDU campaigns in 2007
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Antarctica; Aurora Australis; Campaign; DATE/TIME; DDU2007; DDU2007_StC; Dumont d´Urville Station; Event label; ICE; Ice station; IO-1; IO-10; IO-11; IO-12; IO-13; IO-14; IO-2; IO-3; IO-4; IO-5; IO-6; IO-7; IO-8; IO-9; Latitude of event; Longitude of event; Sample ID; Sample thickness; Sample type; SIPEX; SNOW; Snow/ice sample; South Indian Ocean; Temperature, air; Temperature, ice/snow
    Type: Dataset
    Format: text/tab-separated-values, 181 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    (Table 2) Physico-chemical properties of brine collected from sackholes from land fast ice and from sea ice in East Antarctica during the SIPEX and DDU campaigns in 2007
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Alkalinity, total; Ammonium; Antarctica; Aurora Australis; Carbon, organic, dissolved; DATE/TIME; DDU2007; DDU2007_StC; Dumont d´Urville Station; Event label; ICE; Ice station; Ikaite; IO-1; IO-10; IO-11; IO-13; IO-14; IO-2; IO-3; IO-5; IO-6; IO-7; IO-8; IO-9; Latitude of event 2; Longitude of event; Nitrate and Nitrite; Nitrite; Nitrogen, organic, dissolved; Normalized to salinity S = 35; Phosphate; Salinity, brine; Sample ID; Silicon; SIPEX; SNOW; Snow/ice sample; South Indian Ocean; Temperature, brine
    Type: Dataset
    Format: text/tab-separated-values, 184 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    (Supplement Table 1) Ikaite content in ice cores from land fast and sea ice in East Antarctica during the SIPEX and DDU campaigns in 2007
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Antarctica; Aurora Australis; Campaign; DATE/TIME; DDU2007; DDU2007_StC; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Dumont d´Urville Station; Event label; ICE; Ice station; Ikaite; IO-1; IO-10; IO-11; IO-12; IO-13; IO-14; IO-2; IO-3; IO-4; IO-5; IO-6; IO-7; IO-8; IO-9; Latitude of event; Longitude of event; Sample ID; Sample type; SIPEX; SNOW; Snow/ice sample; South Indian Ocean
    Type: Dataset
    Format: text/tab-separated-values, 864 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Physico-chemical characteristics and ikaite content of brine and ice samples taken during SIPEX and DDU campaigns in East Antarctica, 2007 (2013)
    PANGAEA
    In:  Supplement to: Fischer, Michael; Thomas, David N; Krell, Andreas; Nehrke, Gernot; Göttlicher, Jörg; Norman, Marc D; Meiners, Klaus M; Riaux-Gobin, C; Dieckmann, Gerhard S (2012): Quantification of ikaite in Antarctic sea ice. Antarctic Science, 25(03), 421-432, https://doi.org/10.1017/S0954102012001150
    Details
    Publication Date: 2023-10-28
    Description: Calcium carbonate precipitation in sea ice is thought to potentially drive significant CO2 uptake by the ocean. However, little is known about the quantitative spatial and temporal distribution of CaCO3 within sea ice, although it is hypothesized that high quantities of dissolved organic matter and/or phosphate (common in sea ice) may inhibit its formation. In this quantitative study of hydrous calcium carbonate as ikaite, sea ice cores and brine samples were collected from pack and land fast sea ice between September and December 2007 during two expeditions, one in the East Antarctic sector and the other off Terre Adélie. Samples were analysed for CaCO3, salinity, dissolved organic carbon/nitrogen, inorganic phosphate, and total alkalinity. No relationship between these parameters and CaCO3 precipitation was evident. Ikaite was found mostly in the uppermost layers of sea ice with maximum concentrations of up to 126 mg ikaite per litre melted sea ice being measured, although both the temporal and horizontal spatial distributions of ikaite were highly heterogeneous. The precipitate was also found in the snow on top of the sea ice at some of the sampling locations.
    Keywords: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; SPP1158
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Water column nutrient and dissolved organic carbon concentrations, dissolved organic matter characteristics and bacterial abundance in Kiiminkijoki estuary (2018)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Absorption coefficient, 230 nm; Absorption coefficient, 254 nm; Absorption coefficient, 275 nm; Absorption coefficient, 295 nm; Absorption coefficient, 300 nm; Absorption coefficient, 350 nm; Absorption coefficient, 355 nm; Absorption coefficient, 375 nm; Absorption coefficient, 400 nm; Absorption coefficient, 440 nm; Aluminium, dissolved; Ammonium; Automated analysis following alkaline persulfate oxidation; Bacteria; Carbon, organic, dissolved; DATE/TIME; Depth, description; Depth of Secchi Disk; Event label; Fluorescence, peak A; Fluorescence, peak C; Fluorescence, peak M; Fluorescence, peak T; Fluorescence index; High nucleic acid bacteria; ICP-OES; Iron, dissolved; Kiiminkijoki_00; Kiiminkijoki_01; Kiiminkijoki_02; Kiiminkijoki_03; Kiiminkijoki_04; Kiiminkijoki_05; Lachat QuickChem 8000 flow injection autoanalyzer; LATITUDE; Leucine incorporation rate; LONGITUDE; Low nucleic acid bacteria; Manganese, dissolved; Manually after Grasshoff et al. (1983); Molecular mass; MULT; Multiple investigations; Nitrate; Nitrite; Nitrogen, inorganic, dissolved; Nitrogen, organic, dissolved; Nitrogen, total; Nitrogen, total dissolved; PDZ Europa ANCA-GSL elemental analyser; Ratio; Salinity; Sample ID; SEC analyser; Silicate; Specific ultraviolet absorbance normalized to DOC; Spectral slope, 275-295 nm; Spectral slope, 300-650 nm; Spectral slope, 350-400 nm; Spectrophotometer UV/VIS (PerkinElmer Lambda 650); Subtracting combined inorganic nitrogen from total dissolved nitrogen; Temperature, water; Thymidine incorporation rate; TOC analyser, MQ1000; Varian Cary Eclipse fluorometer (Agilent); δ13C, dissolved inorganic carbon; δ15N, total dissolved nitrogen
    Type: Dataset
    Format: text/tab-separated-values, 2536 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Water column nutrient and dissolved organic carbon concentrations, dissolved organic matter characteristics and bacterial abundance in Karjaanjoki estuary (2018)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Absorption coefficient, 230 nm; Absorption coefficient, 254 nm; Absorption coefficient, 275 nm; Absorption coefficient, 295 nm; Absorption coefficient, 300 nm; Absorption coefficient, 350 nm; Absorption coefficient, 355 nm; Absorption coefficient, 375 nm; Absorption coefficient, 400 nm; Absorption coefficient, 440 nm; Aluminium, dissolved; Ammonium; Automated analysis following alkaline persulfate oxidation; Bacteria; Carbon, organic, dissolved; DATE/TIME; Depth, description; Depth of Secchi Disk; Event label; Fluorescence, peak A; Fluorescence, peak C; Fluorescence, peak M; Fluorescence, peak T; Fluorescence index; High nucleic acid bacteria; ICP-OES; Iron, dissolved; Karjaanjoki_00; Karjaanjoki_01; Karjaanjoki_02; Karjaanjoki_03; Karjaanjoki_04; Lachat QuickChem 8000 flow injection autoanalyzer; LATITUDE; Leucine incorporation rate; LONGITUDE; Low nucleic acid bacteria; Manganese, dissolved; Manually after Grasshoff et al. (1983); Molecular mass; MULT; Multiple investigations; Nitrate; Nitrite; Nitrogen, inorganic, dissolved; Nitrogen, organic, dissolved; Nitrogen, total; Nitrogen, total dissolved; PDZ Europa ANCA-GSL elemental analyser; Ratio; Salinity; Sample ID; SEC analyser; Silicate; Specific ultraviolet absorbance normalized to DOC; Spectral slope, 275-295 nm; Spectral slope, 300-650 nm; Spectral slope, 350-400 nm; Spectrophotometer UV/VIS (PerkinElmer Lambda 650); Subtracting combined inorganic nitrogen from total dissolved nitrogen; Temperature, water; Thymidine incorporation rate; TOC analyser, MQ1000; Varian Cary Eclipse fluorometer (Agilent); δ13C, dissolved inorganic carbon; δ15N, total dissolved nitrogen
    Type: Dataset
    Format: text/tab-separated-values, 1971 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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