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  • 1
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    Unknown
    Redox-sensitive metal concentrations and isotopic composition of dissolved sulfate in a sandy subterranean estuary of the southern North Sea (Spiekeroog Island, May 2014) (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Description: The redox-sensitive metals Mn, Fe, U, Re, Mo, and V and sulfur cycling were studied within the subterranean estuary of a sand beach on Spiekeroog Island, Northern Germany. Pore water samples were obtained along a cross-shore transect down to 5 m below the sediment surface. Redox conditions range from oxic, close to the base of the dune, to sub- to anoxic towards the low water line. We could show that biogeochemical processes alter not only the pore water concentrations of the trace metals, but are also reflected by the O isotope- and to a minor degree the S isotope composition of dissolved sulfate. Seawater circulation through sediments of the upper beach (duneward part of the intertidal zone) removes U and V from solution, but serves as a source for Mn, Fe, Re, and Mo to the ocean. Pore water discharging from a berm close to the low water line exhibits lower U, V, and Re concentrations than adjacent seawater. This part of the beach thus serves as a sink for U, V, and Re, but as a source for Mn, Fe, and Mo. No significant Mo depletion is found in the pore water, due to the lack of dissolved sulfide.
    Keywords: Calculated; Conductivity probe; DEPTH, sediment/rock; Distance; ELEVATION; Event label; Hydrogen sulfide; ICP-MS; ICP-OES/ICP-MS; Ion chromatography; Iron; LATITUDE; LONGITUDE; Manganese; Molybdenum; Nitrate; Oxygen isotopes; pH; Photometric; Rhenium; Salinity; Spiekeroog_beach_May_2014; Spiekeroog_CloseToBeach_May_2014; Station label; Sulfate; Sulfur isotopes; Uranium; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator; UTM Zone, Universal Transverse Mercator; Vanadium; Water sample; WS; δ18O, sulfate; δ18O, water; δ34S, sulfate
    Type: Dataset
    Format: text/tab-separated-values, 618 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Geochemistry investigation of beach porewater and streams at the coastline of Wismar Bay (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: Beach porewater and streams at the coastline of Wismar Bay (Germany), southern Baltic Sea were investigated to evaluate the impact of diagenetic element fluxes and different fresh water sources, including submarine groundwater discharge, on the water column of the Wismar Bay (Germany), southern Baltic Sea. Beach porewater at five different sites between 0.4-1.8 m depth was extracted using push-point lances in July-August 2019. In addition, surface waters from four streams draining into the Wismar Bay were sampled at the mixing zone with the Baltic Sea. Both beach porewater and surface waters were analyzed for dissolved concentrations of major and trace elements and selected nutrients using ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), dissolved inorganic carbon (DIC) and δ13CDIC by means of Isotope-ratio-monitoring gas mass spectrometry (MAT 253 coupled to a Gasbench II), and δ18OH2O, δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I), and radium isotopes (223Ra, 224Ra) by radium-delayed coincidence counters (RaDeCC).
    Keywords: Barium; Calcium; Carbon, inorganic, dissolved; Cavity ring-down spectroscopy; Chloride; CRDS; DAM sustainMare - MGF Baltic Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the Baltic Sea; DATE/TIME; DEPTH, water; Event label; Handylab LF 11; Hydrochemistry; ICP-OES, Thermo Fisher iCAP 7400; Iron; LATITUDE; LONGITUDE; Magnesium; Manganese; Mass spectrometer; MGF_Baltic_Sea; MSPEC; Phosphorus; Potassium; Potentiometric titration; Radium-223; Radium-224; Radium-224 excess; Radium delayed coincidence counter, Scientific Computer Instrument; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; Salinity; Silicon; Sodium; southern Baltic Sea; SSPP; Stable isotopes (HCO); stainless steel push-point lancet; Strontium; Sulfur; Surface water sample; sustainMare; SWS; Type; WB_End-member-1; WB_End-member-2; WB_End-member-3; WB_End-member-4; WB_End-member-5; WB_Stream-1; WB_Stream-2; WB_Stream-3; WB_Stream-4; WB_Stream-5; Wismar Bay; δ13C, dissolved inorganic carbon; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 210 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Geochemistry investigation of surface beach springs in Meschendorf (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: The aim of this investigation is to characterize the composition of typical fresh groundwater at the shoreline of the Baltic Sea. The fresh waters escaping from beach springs in Meschendorf (Germany), at the southern Baltic Sea, were analyzed for major and trace elements and selected nutrients using ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), dissolved inorganic carbon (DIC) and δ13CDIC using a Gas mass spectrometre (MAT 253) coupled to a Gasbench II, and δ18OH2O, δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I).
    Keywords: Barium; Calcium; Carbon, inorganic, dissolved; Cavity ring-down spectroscopy; Chloride; CRDS; DATE/TIME; DEPTH, water; Event label; groundwater; ICP-OES, Thermo Fisher iCAP 7400; Iron; LATITUDE; LONGITUDE; Magnesium; Manganese; Mass spectrometer; Meschendorf_spring1; Meschendorf_spring2; Meschendorf_spring3; Meschendorf_spring4; Meschendorf_spring5; Meschendorf_spring6; MSPEC; Phosphorus; Potassium; Potentiometric titration; Silicon; Sodium; southern Baltic Sea; Stable isotopes; Strontium; Sulfur; Type; δ13C, dissolved inorganic carbon; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 82 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Geochemistry of sediments from Wismar Bay (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: Short sediment cores were taken at six stations in Wismar Bay, southern Baltic Sea (Germany) in May 2019 using a Rumohr-Lot device. Our aim in this study was to investigate the role of diagenetic element fluxes and different fresh water sources, including submarine groundwater discharge, on the water column in the bay. Porewaters were extracted from the sediment cores by applying the rhizon technique at a resolution between 2 and 5 cm. The porewaters were analyzed for major and trace metals and selected nutrients using a ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), total sulphide by a Specord 40 spectrophotometer (Analytik Jena), dissolved inorganic carbon (DIC) and δ13CDIC using an isotope gas mass spectrometre (MAT 253) coupled to a Gasbench II, and δ18OH2O, and δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I). Sediment cores were further sliced at 2 to 4 cm resolution and each freeze-dried solid subsample was analyzed for contents of total carbon, nitrogen, and sulphur using an Elemental Analyzer (Euro Vector EuroEA 3, 052), inorganic carbon using an Elemental Analyzer multi EA (Analytik Jena), total mercury by a DMA-80 analyzer, and HCl-extractable Pb, Mn and Fe using an ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific).
    Keywords: Carbon, inorganic, total; Carbon, organic, total; DAM sustainMare - MGF Baltic Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the Baltic Sea; DATE/TIME; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Direct Mercury Analyser DMA (Milestone Instruments); Elemental analyzer; Event label; ICP-OES, Thermo Fisher iCAP 7400; Iron; LATITUDE; Lead; LONGITUDE; Mercury; MGF_Baltic_Sea; Nitrogen; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; RL; Rumohr-Lot; southern Baltic Sea; Stable isotope; submarine groundwate discharge; Sulfur; sustainMare; Type; Water content, sediment; WB_Site-10_RL; WB_Site-11_RL; WB_Site-15_RL; WB_Site-2_RL; WB_Site-20_RL; WB_Site-31_RL
    Type: Dataset
    Format: text/tab-separated-values, 662 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Geochemistry of pore water from Wismar Bay (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: Short sediment cores were taken at six stations in Wismar Bay, southern Baltic Sea (Germany) in May 2019 using a Rumohr-Lot device. Our aim in this study was to investigate the role of diagenetic element fluxes and different fresh water sources, including submarine groundwater discharge, on the water column in the bay. Porewaters were extracted from the sediment cores by applying the rhizon technique at a resolution between 2 and 5 cm. The porewaters were analyzed for major and trace metals and selected nutrients using a ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), total sulphide by a Specord 40 spectrophotometer (Analytik Jena), dissolved inorganic carbon (DIC) and δ13CDIC using an isotope gas mass spectrometre (MAT 253) coupled to a Gasbench II, and δ18OH2O, and δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I). Sediment cores were further sliced at 2 to 4 cm resolution and each freeze-dried solid subsample was analyzed for contents of total carbon, nitrogen, and sulphur using an Elemental Analyzer (Euro Vector EuroEA 3, 052), inorganic carbon using an Elemental Analyzer multi EA (Analytik Jena), total mercury by a DMA-80 analyzer, and HCl-extractable Pb, Mn and Fe using an ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific).
    Keywords: Barium; Calcium; Carbon, inorganic, dissolved; Cavity ring-down spectroscopy; CRDS; DAM sustainMare - MGF Baltic Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the Baltic Sea; DATE/TIME; DEPTH, sediment/rock; Event label; Hydrogen sulfide; ICP-OES, Thermo Fisher iCAP 7400; Iron; LATITUDE; LONGITUDE; Magnesium; Manganese; Mass spectrometer (MSPEC); MGF_Baltic_Sea; Phosphorus; Potassium; Refractometer; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; RL; Rumohr-Lot; Salinity; Silicon; Sodium; southern Baltic Sea; SPEC; Spectrophotometer; Stable isotope; Station label; Strontium; submarine groundwate discharge; Sulfate; sustainMare; Type; WB_Site-10_RL; WB_Site-11_RL; WB_Site-15_RL; WB_Site-2_RL; WB_Site-20_RL; WB_Site-31_RL; δ13C, dissolved inorganic carbon; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 1514 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Geochemistry of pore water and sediments from Wismar Bay (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: Short sediment cores were taken at six stations in Wismar Bay, southern Baltic Sea (Germany) in May 2019 using a Rumohr-Lot device. Our aim in this study was to investigate the role of diagenetic element fluxes and different fresh water sources, including submarine groundwater discharge, on the water column in the bay. Porewaters were extracted from the sediment cores by applying the rhizon technique at a resolution between 2 and 5 cm. The porewaters were analyzed for major and trace metals and selected nutrients using a ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), total sulphide by a Specord 40 spectrophotometer (Analytik Jena), dissolved inorganic carbon (DIC) and δ13CDIC using an isotope gas mass spectrometre (MAT 253) coupled to a Gasbench II, and δ18OH2O, and δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, Picarro L2140- I). Sediment cores were further sliced at 2 to 4 cm resolution and each freeze-dried solid subsample was analyzed for contents of total carbon, nitrogen, and sulphur using an Elemental Analyzer (Euro Vector EuroEA 3, 052), inorganic carbon using an Elemental Analyzer multi EA (Analytik Jena), total mercury by a DMA-80 analyzer, and HCl-extractable Pb, Mn and Fe using an ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific).
    Keywords: DAM sustainMare - MGF Baltic Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the Baltic Sea; MGF_Baltic_Sea; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; southern Baltic Sea; Stable isotope; submarine groundwate discharge; sustainMare
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Geochemistry of surface water of Wismar Bay (Germany), southern Baltic Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-21
    Description: This investigation was carried out in order to evaluate diagenetic element fluxes and different fresh water sources, including submarine groundwater discharge, on the water column of the Wismar Bay (Germany), southern Baltic Sea. Surface and bottom water samples were collected on board of the RV Littorina (L19-06) and a rubber boat by using a submersible pump in May 2019. The water was pumped through a filter cartridge (1 µM pore size) into barrels. Water samples from the barrels were pumped through manganese-coated acrylic fibers to extract radium (Ra) isotopes (223Ra, 224Ra). The Ra isotopes were measured within 3 and 10 days using radium-delayed coincidence counters (RaDeCC). Subsamples were taken via syringe and filtered (0.45 µM, cellulose acetate disposable filters) for analysis of dissolved concentrations of major and trace elements and selected nutrients using ICP-OES (iCAP, 7400, Duo Thermo Fischer Scientific), dissolved inorganic carbon (DIC) and δ13CDIC using isotope gas mass spectrometry (MAT 253 coupled to a Gasbench II), and δ18OH2O, δ2HH2O using a CRDS system (laser cavity-ring-down-spectroscopy, PICARRO L2140- I).
    Keywords: Barium; Calcium; Carbon, inorganic, dissolved; Cavity ring-down spectroscopy; CRDS; DAM sustainMare - MGF Baltic Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the Baltic Sea; DATE/TIME; DEPTH, water; Event label; Handylab LF 11; ICP-OES, Thermo Fisher iCAP 7400; Iron; L19-06; LATITUDE; Littorina; LONGITUDE; Magnesium; Manganese; Mass spectrometer; MGF_Baltic_Sea; MSPEC; Phosphorus; Potassium; PUMP; Radium-223; Radium-224; Radium-224 excess; Radium delayed coincidence counter, Scientific Computer Instrument; radium isotopes; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; Salinity; Silicon; Sodium; southern Baltic Sea; Stable isotopes; Station label; Strontium; submarine groundwater discharge; Sulfur; sustainMare; Water pump; WB_Site-11a; WB_Site-11b; WB_Site-12a; WB_Site-12b; WB_Site-13; WB_Site-14; WB_Site-15; WB_Site-16; WB_Site-17; WB_Site-18; WB_Site-19; WB_Site-1a; WB_Site-1b; WB_Site-20; WB_Site-21; WB_Site-22; WB_Site-23; WB_Site-24; WB_Site-25; WB_Site-26; WB_Site-27; WB_Site-28; WB_Site-29; WB_Site-2a; WB_Site-2b; WB_Site-2c; WB_Site-3; WB_Site-30; WB_Site-31; WB_Site-32; WB_Site-33; WB_Site-34; WB_Site-35; WB_Site-36; WB_Site-37; WB_Site-38; WB_Site-39; WB_Site-4; WB_Site-40; WB_Site-41; WB_Site-42; WB_Site-43; WB_Site-44; WB_Site-45; WB_Site-46; WB_Site-47; WB_Site-5; WB_Site-6; WB_Site-7; WB_Site-8; WB_Site-9; Wismar Bay; Wismar SGD; δ13C, dissolved inorganic carbon; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 958 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Kiel Outdoor Benthocosms: weekly biogeochemistry of benthocosm experiment (2015)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Keywords: Alkalinity, total; BIOACID; Biological Impacts of Ocean Acidification; Carbon, inorganic, dissolved; Carbon dioxide, partial pressure; Date; DATE/TIME; Event label; Fjord; Kiel Fjord; Nitrate; pH; Phosphate; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 5867 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Kiel Outdoor Benthocosms: 24 hour cycle of benthocosm experiment in April 2013 (2015)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Keywords: Alkalinity, total; BIOACID; Biological Impacts of Ocean Acidification; Carbon, inorganic, dissolved; Carbon dioxide, partial pressure; DATE/TIME; Event label; Fjord; Kiel Fjord; pH; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 453 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Stable isotope geochemistry of pore waters and marine sediments from the New Jersey shelf: Methane formation and fluid origin
    PANGAEA
    In:  Supplement to: van Geldern, Robert; Hayashi, Takeshi; Böttcher, Michael Ernst; Mottl, Michael J; Barth, Johannes A C; Stadler, Susanne (2013): Stable isotope geochemistry of pore waters and marine sediments from the New Jersey shelf: Methane formation and fluid origin. Geosphere, 9(1), 96-112, https://doi.org/10.1130/GES00859.1
    Details
    Publication Date: 2023-05-12
    Description: Interstitial water and sediment samples of the Integrated Ocean Drilling Program (IODP) expedition 313 "New Jersey Shallow Shelf" were analyzed for chemical composition and stable isotope ratios. A total of 222 water samples were collected from the cores by Rhizon samplers and squeezing of fresh core material. Water was analyzed for its stable oxygen and hydrogen isotope geochemistry (d2H and d18O) at sites M0027A and M0029A, and the carbon isotope composition of the dissolved inorganic carbon (d13CDIC) (all sites). In addition, organic material (Corg) and inorganic carbonates from sediments were analyzed for their carbon ratios (d13Corg and d13Ccarb), and in case of the carbonates also for oxygen (d18Ocarb). Carbon isotopes were also analyzed in samples containing enough methane gas (d13Cmeth). Pore fluids from site M0027A were analyzed for the sulfur isotope composition of dissolved sulfate (d34S). The combination of isotope analyses of all phases (interstitial water, sediment, and gas) with pore water chemistry is expected to enable a better understanding of processes in the sediment and will help to identify the origin of fluids under the New Jersey shelf.
    Keywords: Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP
    Type: Dataset
    Format: application/zip, 10 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
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