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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)
  • 13C-POC; 14C-POC; Accelerator mass spectrometry, Ionplus, Mini Carbon Dating System (MiCaDaS AWI); AWI Arctic Land Expedition; CACOON; Carbon, organic, fraction; 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; Event label; 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; Lena River; LONGITUDE; MULT; Multiple investigations; POC; RU-Land_2019_Lena; Sardakhskaya; Suspended matter, total; TSM; Water sample; WL19-1; WL19-2; WL19-3; WL19-4; WL19-5; WL19-6; WL19-7; WL19-8; WL19-9; WS; Δ14C, particulate organic carbon; δ13C, particulate organic carbon  (1)
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  • 1
    facet.materialart.
    Unknown
    Total suspended matter, particulate organic carbon and its isotopic composition in the Lena River and its Delta (2022)
    PANGAEA
    Details
    Publication Date: 2024-05-07
    Description: Total Suspended Matter (TSM), Particulate Organic Carbon (POC) and its isotopic composition were measured in water samples from the Lena River and its Delta (Sardakhskaya branch). Samples were taken in summer 2019 during the CACOON expedition (Fuchs et al., 2021a, b and 2022) along ~ 1600 km transect from Yakutsk downstream to the Lena Delta disembogue into the Laptev Sea. 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 TSM content (difference in weights between dried filters with TSM and pre-weighed empty filters), POC concentration and δ13C-POC (Sercon 20-20 isotope ratio mass spectrometer coupled to an Automated Nitrogen Carbon Analyzer), ∆14C-POC analysis (accelerator mass spectrometer achieved on a Mini Carbon Dating System) and relative OC content in TSM (calculated by dividing the sample POC content by the TSM content). Our aim was to characterize POC along the Lena River over a transect from upper reaches of the Lena River north to the Lena delta in order to decipher the distribution, main sources, and transformation of POC on its way from the permafrost catchment to the Arctic Ocean.
    Keywords: 13C-POC; 14C-POC; Accelerator mass spectrometry, Ionplus, Mini Carbon Dating System (MiCaDaS AWI); AWI Arctic Land Expedition; CACOON; Carbon, organic, fraction; 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; Event label; 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; Lena River; LONGITUDE; MULT; Multiple investigations; POC; RU-Land_2019_Lena; Sardakhskaya; Suspended matter, total; TSM; Water sample; WL19-1; WL19-2; WL19-3; WL19-4; WL19-5; WL19-6; WL19-7; WL19-8; WL19-9; WS; Δ14C, particulate organic carbon; δ13C, particulate organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 155 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    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
    BibTip Others were also interested in ...
    DATA PANGAEA
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