Description: During the research cruises BE03/2016 (08.03.2016), BE10/2016 (19.10.2016), BE10/2018 (23.10.2018), BE03/2019 (15.03.2019), L23-13 (13.09.2023 - 15.09.2023), Sagitta24-1 (16.09.2024), Sagitta24-2 (23.09.2024), Hai24VE2 (24.09.2024), L25-2b (09.02.2025 - 17.02.2025) and EMB374 (04.09.2025 - 13.09.2025), CTDs were deployed and sediment corers were retrieved at 99 stations in Kiel Bight in the southwestern Baltic Sea. Water column oxygen concentrations were determined using oxygen sensors attached to the CTD framework. At selected water depths, water samples were collected with Niskin bottles for the analysis of nitrate concentrations using an autoanalyzer. Short sediment cores (<50cm) were recovered using a Multicorer (MUC), Minicorer (MIC) or Rumohrlot (RL). Bottom waters were sampled from the supernatant water in the sediment cores. Solid phase sediment samples were analyzed for total organic carbon using an element analyzer. Porewater was extracted from the sediment cores using rhizones and analyzed for total alkalinity (titration), ammonium (photometer), sulfate (ion chromatography), hydrogen sulfide (photometer), dissolved iron (ICP-OES) and dissolved manganese (ICP-OES). The collected data will be used to (i) determine the spatial and temporal variability of hydrogen sulfide in bottom waters of the Kiel Bight, (ii) identify the controlling factors governing the accumulation of hydrogen sulfide at the seafloor, and (iii) establish an early warning system of sulfidic seafloor conditions for regional stakeholders in the Baltic Sea.
Global identifier:
Doi(
"10.1594/PANGAEA.988013",
)
DataMeasurements(
DataMeasurements {
domain: Unspecified,
station: None,
measured_variables: [],
methods: [],
},
)
Origins: /Wissenschaft/AWI /Wissenschaft/PANGAEA
Tags: Ammonium ? Nitratgehalt ? Gesamter organischer Kohlenstoff ? Schwefelwasserstoff ? Sulfat ? Nitrat ? Sauerstoff ? Sensor ? Bodenwasser ? Daten ? Frühwarnsystem ? Wasserprobe ? Wasseruntersuchung ? Sediment ? Wasser ? Ostsee ? Boknis Eck ? Kiel Fjord ? Total organic carbon (TOC) ? dissolved iron ? dissolved manganese ? total alkalinity (TA) ?
Bounding boxes: 9.861216666666667° .. 10.313583333333334° x 54.432923° .. 54.700082°
License: cc-by/4.0
Data access requires registration: click here for further informationLanguage: Englisch/English
Modified: 2025-12-17
Time ranges: 2016-03-08 - 2025-09-12
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