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  • PANGAEA  (77)
  • ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD  (1)
  • NATURE PUBLISHING GROUP
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Keywords
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  • 11
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    Dissolved methane concentration variability along freshwater-sea continuum at Geesthacht, northern Germany, 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2023-10-19
    Description: The dataset is about temporal variability of dissolved methane along the freshwater-sea continuum in northern Germany. Sensors were installed at fixed stations at in total three sites at different water depths. This dataset is from the station in Geesthacht (53.4112 N, 10.4032 E) at about 2 meter depth. The data was obtained between 14 April and 29 September 2021) in high frequency measurements (1 min) with a methane sensor from Kongsberg (4H Jena model CONTROS HydroC CH4,). Methane concentrations were calculated according to manufacturer's instructions. Data on temperature were provided by from Vattenfall, Kernkraftwerk Krümel, a salinity of 0.01 was assumed. Special thanks to the colleagues from Vattenfall for the logistic and technical support. For the quality control of the data a local range of 0.1 – 5000 nmol/L was set, a technical range for the pump power 2 – 8. Watt, a spike and gradient value of 1. For a more detailed description see the article cited in References.
    Keywords: 2021_Geesthacht_CH4; Alfred-Wegener-Institute; DATE/TIME; dissolved methane; in situ data; MaGeCH; Methane, dissolved; Methane sensor, -4H- JENA engineering GmbH, CONTROS HydroC® CH₄; Modular Observation Solutions for Earth Systems; MOSES
    Type: Dataset
    Format: text/tab-separated-values, 220976 data points
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    DATA PANGAEA
  • 12
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    Dissolved methane concentration variability along freshwater-sea continuum at Heligoland, Southern North Sea, 2021 (2023)
    PANGAEA
    Details
    Publication Date: 2023-10-19
    Description: The dataset is about temporal variability of dissolved methane along the freshwater-sea continuum in northern Germany. Sensors were installed at fixed stations at in total three sites at different water depths. This dataset is from the station in Heligoland (54.1833 N, 7.8667 E) at about 9-12m depth (depending on the tide). The data was obtained between 27 April and 28 October in high frequency measurements (1 min) with a methane sensor from Kongsberg (4H Jena model CONTROS HydroC CH4,). Methane concentrations were calculated according to manufacturer's instructions, based on temperature and salinity values from UW-node Heligoland (Fischer, Philipp; Happel, Lea; Brand, Markus; Eickelmann, Laura; Lienkämper, Miriam; Bussmann, Ingeborg; Anselm, Norbert; Brix, Holger (2022): Hydrographical time series data of Helgoland, Southern North Sea, 2021. PANGAEA, https://doi.org/10.1594/PANGAEA.950173). A gap in the salinity data was replaced with the median value of the observed time span (31.66). For the quality control of the data a local range of 0.1 – 1000 nmol/L was set, a technical range for the pump power 2 – 8. Watt, a spike and gradient value of 1. For a more detailed description see the article cited in References.
    Keywords: 2021_Heligoland_CH4; Alfred-Wegener-Institute; DATE/TIME; dissolved methane; in situ data; MaGeCH; Methane, dissolved; Methane sensor, -4H- JENA engineering GmbH, CONTROS HydroC® CH₄; Modular Observation Solutions for Earth Systems; MOSES
    Type: Dataset
    Format: text/tab-separated-values, 200282 data points
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    DATA PANGAEA
  • 13
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    Dissolved methane, diffusive methane flux and underway oceanography of Stern 2 cruises in June 2019, in the southern German Bight with Elbe and Weser Estuary (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: On 25 and 26 of June in 2019 transects between Cuxhaven and Bremerhaven towards Helgoland were performed with the RV Prandtl and Uthörn. Basic hydrographic parameters were measured with two ferry boxes using the ships water supply. Data were saved once per minute. Dissolved methane was determined continuously. We used a degassing unit which was using surface water from the ship's water supply in an overflowing bucket. The gas mixture was subsequently analyzed with a Greenhouse Gas Analyzer from LosGatos. Conversion to methane concentration was performed with water samples, from which the methane content was determined with gas chromatography.
    Keywords: CT; DATE/TIME; DEPTH, water; FBOX; FerryBox; Greenhouse Gas Analyzer, LosGatos; KON_stern_2; KON_stern_2-track; LATITUDE; LONGITUDE; Ludwig Prandtl; Methane; Methane, flux; Modular Observation Solutions for Earth Systems; MOSES; Oxygen saturation; Platform; Salinity; Sternfahrt 2, KON, 20190244; Sternfahrt 2, UT05/2019; Temperature, water; Underway cruise track measurements; UT05_stern_2-track; UT05/2019_stern_2; Uthörn; Wind speed
    Type: Dataset
    Format: text/tab-separated-values, 10768 data points
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  • 14
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    Hydrographical time series data of Helgoland, Southern North Sea, 2017 (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: The dataset contains temperature, salinity, oxygen saturation, chlorophyll a and turbidity data from the Helgoland MarGate underwater observatory from the year 2017 in a temporal resolution of 1 hour. The cabled observatory is located in 10m water depth and comprises single or multiple sensors for a specific parameter (see https://www.awi.de/en/science/biosciences/shelf-sea-system-ecology/main-research-focus/cosyna/underwater-node-helgoland.html). For a detailed description of the data see associated metadatafile "metadata_heluwobs_2017_hydrography.pdf"
    Keywords: ACROSS; Advanced Remote Sensing – Ground-Truth Demo and Test Facilities; Alfred-Wegener-Institute; BAH; Chlorophyll a; Chlorophyll a, confidence value; Coastal Observing System for Northern and Arctic Seas; COSYNA; DATE/TIME; Helgoland, North Sea; Helgoland-UWO; Helmholtz-Zentrum Geesthacht, Institute of Coastal Research; HZG; in situ data; MarGate; MarGate underwater experimental area; Modular Observation Solutions for Earth Systems; MOSES; OBSE; Observation; Observatory; Oxygen saturation; Oxygen saturation, confidence value; Salinity; Salinity, confidence value; Scientific diving; See further details: Metadata for the Helgoland underwater observatory; Shelf Seas Systems Ecology @ AWI (former Biologische Anstalt Helgoland); Temperature, water; Temperature, water, confidence value; Turbidity, confidence value; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 78452 data points
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  • 15
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    Hydrographical time series data of Helgoland, Southern North Sea, 2013 (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: The dataset contains temperature, salinity, oxygen saturation and turbidity data from the Helgoland MarGate underwater observatory from the year 2013 in a temporal resolution of 1 hour. The cabled observatory is located in 10m water depth and comprises single or multiple sensors for a specific parameter (see https://www.awi.de/en/science/biosciences/shelf-sea-system-ecology/main-research-focus/cosyna/underwater-node-helgoland.html). For a detailed description of the data see associated metadatafile metadata_heluwobs_2013_hydrography.pdf
    Keywords: ACROSS; Advanced Remote Sensing – Ground-Truth Demo and Test Facilities; Alfred-Wegener-Institute; BAH; Coastal Observing System for Northern and Arctic Seas; COSYNA; DATE/TIME; Helgoland; Helgoland, North Sea; Helgoland-UWO; Helmholtz-Zentrum Geesthacht, Institute of Coastal Research; HZG; in situ data; JERICO; MarGate; MarGate underwater experimental area; Modular Observation Solutions for Earth Systems; MOSES; OBSE; Observation; Observatory; Oxygen saturation; Salinity; Scientific diving; See further details: Metadata for the Helgoland underwater observatory; Shelf Seas Systems Ecology @ AWI (former Biologische Anstalt Helgoland); Temperature, water; Temperature, water, confidence value; Towards a joint European research infrastructure network for coastal observatories; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 12972 data points
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    DATA PANGAEA
  • 16
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    Water samples from the river Elbe (Neu-Darchau-Geesthacht), May 2021 (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: Surface water samples of the river Elbe were taken in May 2021 with the vessel Zwergseeschwalbe between Geesthacht and Neu Darchau. Connecting cruises were performed from colleagues from Geesthacht towards Hamburg and from Elster towards Dömitz.
    Keywords: 2021_ELBE_53760; 2021_ELBE_54840; 2021_ELBE_55840; 2021_ELBE_56770; 2021_ELBE_57260; 2021_ELBE_57860; 2021_ELBE_58380; 2021_ELBE_58790; 2021_ELBE_59777; 2021_ELBE_60640; Ammonium; Chl a; Chlorophyll a; DATE/TIME; DEPTH, water; Distance; Elbe; Event label; High Performance Liquid Chromatography (HPLC); Nitrate; nutrient; OPTIMARE Precision Salinometer System; Oxygen; Phosphate; Salinity; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler, method No. G-177-96 Rev. 8; Silicate; Station 1; Station 10; Station 2; Station 3; Station 4; Station 5; Station 6; Station 7; Station 8; Station 9; Titration, Winkler; turbidity; Turbidity; Turbidity meter, Hach, 2100N IS; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 100 data points
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  • 17
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    Water samples off Cuxhaven, for 48h, from anchored ship (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: The vessel Ludwig Prandtl was anchored for 48 h off Cuxhaven at Medem Reede. Water samples were taken approx. every 2 hours during daytime, while sensors were recording continuously. Water samples were taken from ferrybox outlet from surface (1 m).
    Keywords: DATE/TIME; DEPTH, water; dissolved methane; Headspace Equilibration; LATITUDE; LONGITUDE; Methane; Modular Observation Solutions for Earth Systems; MOSES; Oxygen; stern_7_prandtl2021; Titration, Winkler; turbidity; Turbidity; Turbidity meter, Hach, 2100N IS; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
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  • 18
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    Water samples off Cuxhaven, for 48h, from anchored ship (2022)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: The vessel Reykjanes was anchored for 48 h off Cuxhaven at Medem Reede. Water samples were taken approx. every 2 hours during daytime, while sensors were recording continuously. Water samples were taken from different sources: ship's water supply, in-situ pump and niskin bottle, from surface (1 m) and bottom water (12 m).
    Keywords: DATE/TIME; DEPTH, water; dissolved methane; Headspace Equilibration; LATITUDE; LONGITUDE; Methane; Method comment; Modular Observation Solutions for Earth Systems; MOSES; Oxygen; Sample comment; stern_7_reyk2021; Titration, Winkler; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 117 data points
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  • 19
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    Nutrient data from water samples from MOSES project's cruise stern_1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: On the MOSES cruise Sternfahrt_1 water samples were taken on 8 stations. Samples were exchanged between the institutes Alfred-Wegener-Institut Zentrum für Polar- und Meeresforschung (AWI), Helmholtz Centre for Ocean Research Kiel (Geomar) and Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research (HZG) for later comparison of the nutrient data.
    Keywords: Ammonium; AWI; Colorimetric using QuAAtro39 AA (Seal Analytical); Comment; Cruise/expedition; DATE/TIME; DEPTH, water; Depth comment; Event label; Geomar; HZG; KON_stern_1; L19-03_stern_1; LATITUDE; Littorina; LONGITUDE; Ludwig Prandtl; Modular Observation Solutions for Earth Systems; MOSES; MOSES_stern1_nutrients; MYA2019/04_stern_1; Mya II; Name; Nitrate; Nitrite; Nitrogen, organic, total; NO2; NO3; Phosphate; PO4; Sample ID; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler, method No. G-062-92 Rev. 2; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler, method No. G-170-96 Rev. 1; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler, method No. G-171-96 Rev. 14; SEAL Analytical, AutoAnalyzer 3 HR (AA3 HR), XY-2 Sampler, method No. G-177-96 Rev. 8; SEAL Analytical, AutoAnalyzer QuAAtro39, method No. Q-064-05 Rev. 4; SEAL Analytical, AutoAnalyzer QuAAtro39, method No. Q-066-05 Rev. 3; SEAL Analytical, AutoAnalyzer QuAAtro39, method No. Q-068-05 Rev. 6; SEAL Analytical, AutoAnalyzer QuAAtro39, method No. Q-080-06 Rev. 2; Si; Silicate; stern_1-100; stern_1-101; stern_1-102; stern_1-103; stern_1-104; stern_1-105; stern_1-56; stern_1-57; stern_1-58; stern_1-59; stern_1-60; stern_1-61; stern_1-62; stern_1-63; stern_1-64; stern_1-65; stern_1-66; stern_1-67; stern_1-68; stern_1-69; stern_1-70; stern_1-71; stern_1-72; stern_1-73; stern_1-74; stern_1-75; stern_1-76; stern_1-77; stern_1-78; stern_1-79; stern_1-80; stern_1-81; stern_1-82; stern_1-83; stern_1-84; stern_1-85; stern_1-86; stern_1-87; stern_1-88; stern_1-89; stern_1-90; stern_1-91; stern_1-92; stern_1-93; stern_1-94; stern_1-95; stern_1-96; stern_1-97; stern_1-98; stern_1-99; Sternfahrt 1, KON, 20190239; Sternfahrt 1, L19-03, 20190193; Sternfahrt 1, MYA2019/04; Type; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 935 data points
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  • 20
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    Hydrographical time series data of Helgoland, Southern North Sea, 2020 (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-28
    Description: The dataset contains temperature, salinity, oxygen saturation, chlorophyll a and turbidity data from the Helgoland MarGate underwater observatory from the year 2020 in a temporal resolution of 1 hour. The cabled observatory is located in 10m water depth and comprises single or multiple sensors for a specific parameter (see https://www.awi.de/en/science/biosciences/shelf-sea-system-ecology/main-research-focus/cosyna/underwater-node-helgoland.html). For a detailed description of the data see associated metadatafile "Metadata_description_heluwobs_data_2020.pdf"
    Keywords: ACROSS; Advanced Remote Sensing – Ground-Truth Demo and Test Facilities; Alfred-Wegener-Institute; BAH; Chlorophyll a; Chlorophyll a, confidence value; Coastal Observing System for Northern and Arctic Seas; COSYNA; DATE/TIME; Helgoland, North Sea; Helgoland-UWO; Helmholtz-Zentrum Geesthacht, Institute of Coastal Research; HZG; in situ data; MarGate; MarGate underwater experimental area; Modular Observation Solutions for Earth Systems; MOSES; OBSE; Observation; Observatory; Oxygen saturation; Oxygen saturation, confidence value; Salinity; Salinity, confidence value; Scientific diving; See further details: Metadata for the Helgoland underwater observatory; Shelf Seas Systems Ecology @ AWI (former Biologische Anstalt Helgoland); Temperature, water; Temperature, water, confidence value; Turbidity, confidence value; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 61644 data points
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    DATA PANGAEA
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