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  • 2020-2024  (24)
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Keywords
Publisher
Years
Year
  • 1
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    OSADCP Toolbox (2024)
    GEOMAR Helmholtz Centre for Ocean Research
    Details
    Publication Date: 2024-04-24
    Description: Vessel-mounted Acoustic Doppler Current Profilers (ADCPs) provide velocity profiles of the upper ocean along the ship track. They are a key tool in oceanographic research to study the oceanic circulation and the associated distribution of mass, heat, contaminants and other tracers. In order to obtain high-quality ocean current data from vessel-mounted ADCP measurements, a number of requirements must be met, from system installation and data acquisition measures to certain essential processing steps. Here, we present an open-source Python toolbox called OSADCP for scientists to convert, clean, calibrate and organize binary raw vessel-mounted ADCP data for scientific use. The toolbox is designed to process ADCP measurements in deep water by Teledyne RDI Ocean Surveyor ADCPs and the data acquisition software VMDAS.
    Type: Software , NonPeerReviewed
    Location Call Number Expected Availability
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    PAPER (OCEANREP)
  • 2
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    ADCP current velocity at lander stations during HE470 in the German Bight (2020)
    PANGAEA
    Details
    Publication Date: 2023-04-20
    Description: Data sets contain horizontal current velocities, measured by an uplooking 600 kHz RDI ADCP during the FS Heincke cruise HE470 in August 2016. The device was mounted on the SEDOBS lander. 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 smoothed over 5 min, and exported in steps of 1 min. The cell size is 0.3 m. The vertical reference is 'meter above bed' (mab). Time is CEST. Each file contains data of one deployment (location), whereas the lander was deployed for at least 1.5 tidal cycles at each location.
    Keywords: ADCP; current velocity; German Bight; NOAH; North Sea Observation and Assessment of Habitats; SEDOBS; tidal cycle
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    ADCP current velocity at lander stations during HE470 in the German Bight, NOAHC (2020)
    PANGAEA
    Details
    Publication Date: 2024-01-12
    Keywords: Acoustic Doppler Current Profiler; ADCP; B_LANDER; Bottom lander; current velocity; Current velocity, east-west; Current velocity, north-south; DATE/TIME; German Bight; HE470; HE470/030-1; HEIGHT above ground; Heincke; NOAH; North Sea; North Sea Observation and Assessment of Habitats; SEDOBS; tidal cycle
    Type: Dataset
    Format: text/tab-separated-values, 433946 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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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
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    DATA PANGAEA
  • 5
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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 Expected Availability
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    DATA PANGAEA
  • 6
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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 Expected Availability
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    DATA PANGAEA
  • 7
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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
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    DATA PANGAEA
  • 8
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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
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    DATA PANGAEA
  • 9
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    Unknown
    Continuous thermosalinograph oceanography along RV Maria S. Merian cruise MSM97/2 (2021)
    PANGAEA
    Details
    Publication Date: 2024-01-26
    Description: Underway temperature and salinity data was collected along the cruise track with two autonomous measurement systems. Usually, the systems are changed after 6 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. Salinity was calibrated independently for both measurement containers (MCs). No correction was done for temperature. 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; GPF 20‐2_062; LATITUDE; LONGITUDE; Maria S. Merian; Measurement container; MSM97/2; MSM97/2_0_Underway-11; Quality flag, salinity; Quality flag, water temperature; Salinity; SALINO; Salinometer; 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, 57123 data points
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    DATA PANGAEA
  • 10
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    ADCP current measurements (38 kHz) during RV Maria S. Merian cruise MSM97/2 (2021)
    PANGAEA
    Details
    Publication Date: 2024-01-26
    Description: Upper-ocean velocities along the cruise track of Maria S. Merian cruise MSM97/2 were continuously collected by a vessel-mounted Teledyne RD Instruments 38 kHz Ocean Surveyor ADCP. The transducer was located at 6.5 m below the water line. The instrument was operated in narrowband mode with 32 m bins and a blanking distance of 16.0 m, while 50 bins were recorded using a pulse of 2.83 s. The ship's velocity was calculated from position fixes obtained by the Global Positioning System (GPS). Heading, pitch and roll data from the ship's gyro platforms and the navigation data were used by the data acquisition software VmDas internally to convert ADCP velocities into earth coordinates. Accuracy of the ADCP velocities mainly depends on the quality of the position fixes and the ship's heading data. Further errors stem from a misalignment of the transducer with the ship's centerline. Data post-processing included water track calibration of the misalignment angle (0.38° +/- 0.6593°) and scale factor (0.9979 +/- 0.0125) of the Ocean Surveyor signal. The average interval was set to 60 s.
    Keywords: Acoustic Doppler Current Profiler; ADCP; Calculated; Current velocity, east-west; Current velocity, north-south; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Echo intensity, relative; GPF 20‐2_062; LATITUDE; LONGITUDE; Maria S. Merian; MSM97/2; MSM97/2_0_Underway-9; Pings, averaged to a double ensemble value; Quality flag, current velocity; Vessel mounted Acoustic Doppler Current Profiler [38 kHz]; VMADCP-38
    Type: Dataset
    Format: text/tab-separated-values, 360985 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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