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  • 13C-DOC; 13C-POC; 14C-DOC; 14C-POC; Accelerator mass spectrometry, Ionplus, Mini Carbon Dating System (MiCaDaS AWI); AWI Arctic Land Expedition; CAC19-01; CAC19-02; CAC19-03; CAC19-04; CAC19-23; CAC19-A; CAC19-B; CAC19-C; CAC19-D; CAC19-E; CAC19-F; CAC19-G; CAC19-H; CACOON; Carbon, organic, dissolved; Carbon, organic, particulate; Changing Arctic Carbon cycle in the cOastal Ocean Near-shore; Continuous flow isotope ratio mass spectrometer, Sercon, 20-20; coupled with Automated nitrogen carbon analyzer; DATE/TIME; DEPTH, water; DOC; Event label; L16-06; L16-07; L16-08; L16-14; L16-15; L16-16; L17-07; L17-08; L17-09; L17-18; L17-19; L17-20; Laptev Sea, Siberia; LATITUDE; LEN19-S-01; LEN19-S-02; LEN19-S-03; LEN19-S-04; LEN19-S-05; LEN19-S-06; LEN19-S-07; LEN19-S-08; LEN19-S-09; LEN19-S-78; LEN19-S-89; Lena2016_spring, Lena2016_summer; Lena2017; Lena 2019; Lena Delta; Lena Delta, Siberia; LONGITUDE; MULT; Multiple investigations; POC; RU-Land_2016_Lena; RU-Land_2017_Lena; RU-Land_2019_Lena; Sample ID; Water sample; WS; Δ14C, dissolved organic carbon; Δ14C, particulate organic carbon; δ13C, dissolved organic carbon; δ13C, particulate organic carbon  (1)
  • AWI_PerDyn; AWI Arctic Land Expedition; CAC19-01; CAC19-02; CAC19-03; CAC19-04; CAC19-23; CAC19-A; CAC19-B; CAC19-C; CAC19-D; CAC19-E; CAC19-F; CAC19-G; CAC19-H; CAC19-S-04; CAC19-S-05; CAC19-S-06; CAC19-S-07; CAC19-S-08; CAC19-S-09; CAC19-S-10; CACOON; Calculated; Changing Arctic Carbon cycle in the cOastal Ocean Near-shore; coastal zone; Conductance, specific; Conductivity; CTD; CTD, SonTek, CastAway-CTD; CTD-CAST; Density, mass density; DEPTH, water; Event label; Laptev Sea; Laptev Sea, Siberia; LATITUDE; LEN19-S-01; LEN19-S-02; LEN19-S-03; LEN19-S-04; LEN19-S-05; LEN19-S-06; LEN19-S-07; LEN19-S-08; LEN19-S-09; LEN19-S-78; LEN19-S-89; Lena 2019; Lena Delta; Lena Delta, Siberia; LONGITUDE; MULT; Multiple investigations; Nearshore zone; Permafrost Research (Periglacial Dynamics) @ AWI; Pressure, water; RU-Land_2019_Lena; Salinity; Sardakhskaya; Sound velocity in water; Temperature, water  (1)
Document type
Keywords
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    Dissolved and Particulate Organic Carbon and its isotopic composition in the Lena Delta in winter 2019 and in summer 2019, 2017 and 2016 (2023)
    PANGAEA
    Details
    Publication Date: 2024-05-07
    Description: Dissolved and particulate Organic Carbon (DOC and POC) and their isotopic composition were measured in water samples from the Lena Delta (Sardakhskaya branch). Samples were taken in winter (April) and summer (August) 2019 during the CACOON expedition (Fuchs et al., 2021a, b and 2022) and in the summer 2017 and 2016 during previous Lena Delta sampling campaigns. Water was filtered through pre-combusted (4.5 hours, 450 °C) and pre-weighed glass fiber filters (GF/F Whatman, 0.75 µm membrane, Ø 2.5 cm) for DOC analyses, filters with rest suspended matter on it were used to analyse POC. δ13C of DOC and POC was measured by Sercon 20-20 isotope ratio mass spectrometer coupled to an Automated Nitrogen Carbon Analyzer, ∆14C of DOC and POC by accelerator mass spectrometer achieved on a Mini Carbon Dating System. Our aim was to highlight the variability in quantity and composition between seasons and suggest that permafrost deposits are degrading year around, impacting the release of organic matter through the Lena Delta.
    Keywords: 13C-DOC; 13C-POC; 14C-DOC; 14C-POC; Accelerator mass spectrometry, Ionplus, Mini Carbon Dating System (MiCaDaS AWI); AWI Arctic Land Expedition; CAC19-01; CAC19-02; CAC19-03; CAC19-04; CAC19-23; CAC19-A; CAC19-B; CAC19-C; CAC19-D; CAC19-E; CAC19-F; CAC19-G; CAC19-H; CACOON; Carbon, organic, dissolved; Carbon, organic, particulate; Changing Arctic Carbon cycle in the cOastal Ocean Near-shore; Continuous flow isotope ratio mass spectrometer, Sercon, 20-20; coupled with Automated nitrogen carbon analyzer; DATE/TIME; DEPTH, water; DOC; Event label; L16-06; L16-07; L16-08; L16-14; L16-15; L16-16; L17-07; L17-08; L17-09; L17-18; L17-19; L17-20; Laptev Sea, Siberia; LATITUDE; LEN19-S-01; LEN19-S-02; LEN19-S-03; LEN19-S-04; LEN19-S-05; LEN19-S-06; LEN19-S-07; LEN19-S-08; LEN19-S-09; LEN19-S-78; LEN19-S-89; Lena2016_spring, Lena2016_summer; Lena2017; Lena 2019; Lena Delta; Lena Delta, Siberia; LONGITUDE; MULT; Multiple investigations; POC; RU-Land_2016_Lena; RU-Land_2017_Lena; RU-Land_2019_Lena; Sample ID; Water sample; WS; Δ14C, dissolved organic carbon; Δ14C, particulate organic carbon; δ13C, dissolved organic carbon; δ13C, particulate organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 494 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    CTD measurements in the Lena Delta region (2021)
    PANGAEA
    Details
    Publication Date: 2024-05-07
    Description: This data set includes measurement during the CACOON 2019 expeditions (Fuchs et al., 2021; Strauss et al., 2021) in the Lena Delta region in Siberia. The data collection took place during two field campaigns; the first one was in March-April 2019, the second one in August 2019. Measurements were taken with a handheld SontekTM CastAway sensor with an integrated GPS. The measured data include pressure (dbar; accuracy: 0.25%), depth (m; ±0.25%), temperature (°C; ±0.05°C), conductivity (mS/cm; 0.25%±0.005 mS/cm), specific conductance (mS/cm; 0.25%±0.005 mS/cm), salinity (practical salinity scale; ±0.1), sound velocity (m/s; ±0.15 m/s), and density (kg/m3; ±0.02 kg/m3). In total, 31 depth profiles were measured from the Sardakhskaya main river channel in the Lena Delta to 80 km offshore in the Laptev Sea to specifically target the mouth area of the Sardakhskaya channel. The CTD was lowered from water surface with an additional ballast to make sure the small CTD device reached the sea (or river) bed.
    Keywords: AWI_PerDyn; AWI Arctic Land Expedition; CAC19-01; CAC19-02; CAC19-03; CAC19-04; CAC19-23; CAC19-A; CAC19-B; CAC19-C; CAC19-D; CAC19-E; CAC19-F; CAC19-G; CAC19-H; CAC19-S-04; CAC19-S-05; CAC19-S-06; CAC19-S-07; CAC19-S-08; CAC19-S-09; CAC19-S-10; CACOON; Calculated; Changing Arctic Carbon cycle in the cOastal Ocean Near-shore; coastal zone; Conductance, specific; Conductivity; CTD; CTD, SonTek, CastAway-CTD; CTD-CAST; Density, mass density; DEPTH, water; Event label; Laptev Sea; Laptev Sea, Siberia; LATITUDE; LEN19-S-01; LEN19-S-02; LEN19-S-03; LEN19-S-04; LEN19-S-05; LEN19-S-06; LEN19-S-07; LEN19-S-08; LEN19-S-09; LEN19-S-78; LEN19-S-89; Lena 2019; Lena Delta; Lena Delta, Siberia; LONGITUDE; MULT; Multiple investigations; Nearshore zone; Permafrost Research (Periglacial Dynamics) @ AWI; Pressure, water; RU-Land_2019_Lena; Salinity; Sardakhskaya; Sound velocity in water; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 7140 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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