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  • Data  (7)
  • OceanRep  (4)
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  • 1
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    ADCP current velocity and CTD measurements at lander stations during HE510 in the German Bight, NOAHC (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of horizontal current velocity, temperature, and salinity collected during R/V Heincke cruise HE510 in May 2018 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). Current velocities were measured by an uplooking 600 kHz RDI ADCP, which was mounted on the SEDOBS lander. ADCP transducers were located 2.2 m above the seabed. The original ping rate (mode 1) was 0.25 s-1, averaging 4 sub-pings. Data is averaged over 10 min. The cell size is 0.3 m, averaged over 1 m intervals. The vertical reference is 'meter above bed' (mab). Time is UTC. Each file contains data of one deployment (location), whereas the lander was deployed for at least 1.5 tidal cycles at each location. CTD profiles were taken during part of the lander deployment period from the anchored ship nearby and are exported on the same grid as the ADCP measurements.
    Keywords: Acoustic Doppler Current Profiling (ADCP), RDI Workhorse Sentinel, 600 kHz; ADCP; B_LANDER; Bottom lander; CTD; CTD profiles; current velocity; Current velocity, east-west; Current velocity, north-south; DATE/TIME; German Bight; HE510; HE510_24-1; HEIGHT above ground; Heincke; LATITUDE; LONGITUDE; NOAH; North Sea; North Sea Observation and Assessment of Habitats; Salinity; SEDOBS; Temperature, water; tidal cycle
    Type: Dataset
    Format: text/tab-separated-values, 16417 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    CTD measurements at lander stations during HE470 in the German Bight, NOAHC (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of temperature, and salinity collected during RV HEINCKE cruise HE470 in August 2016 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). CTD profiles were taken in parallel to the lander deployment period (https://doi.org/10.1594/PANGAEA.919168) from the ship, which was anchored in a distance less than 500 m to the lander locations. CTD sensors were mounted on a microstructure probe. The casts were taken continuously and as fast as possible, resulting in typical measurement intervals of around 3 minutes between individual profiles, covering one to two tidal cycles. Small measurement uncertainties (0.002 mS cm-1 for C, 0.002 K for T) were achieved by regular calibration of the CTD sensors in the lab. Individual profiles are averaged over 10 min and 1 m in the vertical. The vertical reference is 'meter above bed' (mab). Time is UTC.
    Keywords: CTD profiles; DATE/TIME; German Bight; HE470; HE470/005-1; HEIGHT above ground; Heincke; LATITUDE; LONGITUDE; Micro structure probe; MSS; NOAH; North Sea; North Sea Observation and Assessment of Habitats; Salinity; Temperature, water; tidal cycle
    Type: Dataset
    Format: text/tab-separated-values, 7287 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    ADCP current velocity and CTD measurements at lander stations during HE510 in the German Bight, OW (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of horizontal current velocity, temperature, and salinity collected during R/V Heincke cruise HE510 in May 2018 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). Current velocities were measured by an uplooking 600 kHz RDI ADCP, which was mounted on the SEDOBS lander. ADCP transducers were located 2.2 m above the seabed. The original ping rate (mode 1) was 0.25 s-1, averaging 4 sub-pings. Data is averaged over 10 min. The cell size is 0.3 m, averaged over 1 m intervals. The vertical reference is 'meter above bed' (mab). Time is UTC. Each file contains data of one deployment (location), whereas the lander was deployed for at least 1.5 tidal cycles at each location. CTD profiles were taken during part of the lander deployment period from the anchored ship nearby and are exported on the same grid as the ADCP measurements.
    Keywords: Acoustic Doppler Current Profiling (ADCP), RDI Workhorse Sentinel, 600 kHz; ADCP; B_LANDER; Bottom lander; CTD; CTD profiles; current velocity; Current velocity, east-west; Current velocity, north-south; DATE/TIME; German Bight; HE510; HE510_24-1; HEIGHT above ground; Heincke; LATITUDE; LONGITUDE; NOAH; North Sea; North Sea Observation and Assessment of Habitats; Salinity; SEDOBS; Temperature, water; tidal cycle
    Type: Dataset
    Format: text/tab-separated-values, 12435 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    CTD measurements at lander stations during HE470 in the German Bight, OW (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of temperature, and salinity collected during RV HEINCKE cruise HE470 in August 2016 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). CTD profiles were taken in parallel to the lander deployment period (https://doi.org/10.1594/PANGAEA.919168) from the ship, which was anchored in a distance less than 500 m to the lander locations. CTD sensors were mounted on a microstructure probe. The casts were taken continuously and as fast as possible, resulting in typical measurement intervals of around 3 minutes between individual profiles, covering one to two tidal cycles. Small measurement uncertainties (0.002 mS cm-1 for C, 0.002 K for T) were achieved by regular calibration of the CTD sensors in the lab. Individual profiles are averaged over 10 min and 1 m in the vertical. The vertical reference is 'meter above bed' (mab). Time is UTC.
    Keywords: CTD profiles; DATE/TIME; German Bight; HE470; HE470/031-3; HEIGHT above ground; Heincke; LATITUDE; LONGITUDE; Micro structure probe; MSS; NOAH; North Sea; North Sea Observation and Assessment of Habitats; Salinity; Temperature, water; tidal cycle
    Type: Dataset
    Format: text/tab-separated-values, 5544 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    CTD measurements at lander stations during HE470 in the German Bight (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of temperature, and salinity collected during RV HEINCKE cruise HE470 in August 2016 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). CTD profiles were taken in parallel to the lander deployment period (https://doi.org/10.1594/PANGAEA.919168) from the ship, which was anchored in a distance less than 500 m to the lander locations. CTD sensors were mounted on a microstructure probe. The casts were taken continuously and as fast as possible, resulting in typical measurement intervals of around 3 minutes between individual profiles, covering one to two tidal cycles. Small measurement uncertainties (0.002 mS cm-1 for C, 0.002 K for T) were achieved by regular calibration of the CTD sensors in the lab. Individual profiles are averaged over 10 min and 1 m in the vertical. The vertical reference is 'meter above bed' (mab). Time is UTC.
    Keywords: CTD profiles; German Bight; HE470; HE470/005-1; HE470/031-3; Heincke; Micro structure probe; MSS; NOAH; North Sea; North Sea Observation and Assessment of Habitats; tidal cycle
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unknown
    ADCP current velocity and CTD measurements at lander stations during HE510 in the German Bight (2022)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Description: Data sets contain profiles of horizontal current velocity, temperature, and salinity collected during R/V Heincke cruise HE510 in May 2018 at two locations in the German Bight: at site NOAHC and site Outer Weser (OW). Current velocities were measured by an uplooking 600 kHz RDI ADCP, which was mounted on the SEDOBS lander. ADCP transducers were located 2.2 m above the seabed. The original ping rate (mode 1) was 0.25 s-1, averaging 4 sub-pings. Data is averaged over 10 min. The cell size is 0.3 m, averaged over 1 m intervals. The vertical reference is 'meter above bed' (mab). Time is UTC. Each file contains data of one deployment (location), whereas the lander was deployed for at least 1.5 tidal cycles at each location. CTD profiles were taken during part of the lander deployment period from the anchored ship nearby and are exported on the same grid as the ADCP measurements.
    Keywords: ADCP; B_LANDER; Bottom lander; CTD profiles; current velocity; German Bight; HE510; HE510_24-1; Heincke; NOAH; North Sea; North Sea Observation and Assessment of Habitats; SEDOBS; tidal cycle
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Continuous thermosalinograph oceanography along RV MARIA S. MERIAN cruise track MSM112 (2023)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Description: Underway temperature and salinity data was collected along the cruise track with two autonomous measurement systems. Usually, the systems are changed after 6-12 hours (the intervals changed throughout the cruise from 6 hours to 12 hours). While temperature is taken at the water inlet in about 6.5 m depth, salinity is estimated within the interior measurement container from conductivity and interior temperature. Temperature and salinity were calibrated against CTD data from 7 m depth. For details to all processing steps see Data Processing Report.
    Keywords: Calculated from internal temperature and conductivity; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; Maria S. Merian; Measurement container; MSM112; MSM112_0_Underway-2; Quality flag, salinity; Quality flag, water temperature; RM ROFI; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph, Sea-Bird, SBE 45; TSG
    Type: Dataset
    Format: text/tab-separated-values, 312183 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Dense bottom gravity currents and their impact on pelagic methanotrophy at oxic/anoxic transition zones (2016)
    AGU (American Geophysical Union) | Wiley
    In:  Geophysical Research Letters, 43 (10). pp. 5225-5232.
    Details
    Publication Date: 2019-02-01
    Description: We show that inflows of oxygenated waters into sulfidic layers have a strong impact on biogeochemical transformation at oxic/anoxic transition zones. Taking the pelagic methane dynamics in the Gotland Basin as an example, we performed our studies when one of the largest inflows ever recorded entered the Baltic Sea in March 2015. An inflowing gravity current transported oxic waters into the sulfidic deep layers and freshly generated a near-bottom secondary redox interface. At the upper slope, where the inflowing water masses were vigorously turbulent and the main and secondary redox interfaces in close contact to each other, methane oxidation rates inside the transition zone were found to be higher compared to the weakly turbulent basin interior. At the main redox interface in the basin center, lateral intrusions of oxygenated waters into intermediate water depth may have stimulated the growth of the methanotrophic community and their activity.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1002/2016GL069032
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 9
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    The Baltic Sea tracer release experiment : mixing processes in the Gotland Basin (2011)
    In:  (PhD/ Doctoral thesis), Universität Rostock, Rostock, Germany, 116 pp
    Details
    Publication Date: 2015-06-11
    Description: Mixing processes in the deeper Gotland Basin were measured and analysed using the inert tracer CF3SF5, microstructure profiles as well as five permanent moorings yielding two years of in situ data. The tracer spreading showed that mixing rates in the deeper Gotland Basin are dominated by boundary mixing processes. The major mixing agent for the observed mixing rates is identified as sub-inertial topographic waves that are resonantly coupled to wind events.
    Type: Thesis , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Thesis - not published by a publisher
  • 10
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    Best practices recommendations for estimating dissipation rates from shear probes (2024)
    Frontiers
    Details
    Publication Date: 2024-04-15
    Description: As a part of the Scientific Committee on Oceanographic Research (SCOR) Working Group #160 “Analyzing ocean turbulence observations to quantify mixing” (ATOMIX), we have developed recommendations on best practices for estimating the rate of dissipation of kinetic energy, ε, from measurements of turbulence shear using shear probes. The recommendations provided here are platform-independent and cover the conceivable range of dissipation rates in the ocean, seas, and other natural waters. They are applicable to commonly deployed platforms that include vertical profilers, fixed and moored instruments, towed profilers, submarines, self-propelled ocean gliders, and other autonomous underwater vehicles. The procedure for preparing the shear data for spectral estimation is discussed in detail, as are the quality control metrics that should accompany each estimate of ε. The methods are illustrated using a high-quality ‘benchmark’ dataset, while potential pitfalls are demonstrated with a second dataset containing common faults.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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